diff --git a/.mailmap b/.mailmap index 3f23aed31a83..1019710dc979 100644 --- a/.mailmap +++ b/.mailmap @@ -286,7 +286,7 @@ Xuefeng Wu Xuefeng Wu Xuefeng Wu XuefengWu York Xiang Youngsoo Son -Yuki Okushi +Yuki Okushi Zach Pomerantz Zack Corr Zack Slayton diff --git a/Cargo.lock b/Cargo.lock index 284a1ba54826..2b7fbf1b647d 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -281,7 +281,7 @@ checksum = "81a18687293a1546b67c246452202bbbf143d239cb43494cc163da14979082da" [[package]] name = "cargo" -version = "0.53.0" +version = "0.54.0" dependencies = [ "anyhow", "atty", @@ -326,6 +326,7 @@ dependencies = [ "serde", "serde_ignored", "serde_json", + "shell-escape", "strip-ansi-escapes", "tar", "tempfile", @@ -581,7 +582,7 @@ dependencies = [ "cargo_metadata 0.12.0", "clippy-mini-macro-test", "clippy_lints", - "compiletest_rs 0.6.0", + "compiletest_rs", "derive-new", "quote", "regex", @@ -591,7 +592,7 @@ dependencies = [ "serde", "syn", "tempfile", - "tester 0.9.0", + "tester", ] [[package]] @@ -699,28 +700,6 @@ dependencies = [ "winapi 0.3.9", ] -[[package]] -name = "compiletest_rs" -version = "0.5.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9f737835bfbbe29ed1ff82d5137520338d7ed5bf1a1d4b9c1c7c58bb45b8fa29" -dependencies = [ - "diff", - "filetime", - "getopts", - "libc", - "log", - "miow 0.3.6", - "regex", - "rustfix", - "serde", - "serde_derive", - "serde_json", - "tempfile", - "tester 0.7.0", - "winapi 0.3.9", -] - [[package]] name = "compiletest_rs" version = "0.6.0" @@ -740,7 +719,7 @@ dependencies = [ "serde_derive", "serde_json", "tempfile", - "tester 0.9.0", + "tester", "winapi 0.3.9", ] @@ -1093,6 +1072,26 @@ dependencies = [ "log", ] +[[package]] +name = "enum-iterator" +version = "0.6.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c79a6321a1197d7730510c7e3f6cb80432dfefecb32426de8cea0aa19b4bb8d7" +dependencies = [ + "enum-iterator-derive", +] + +[[package]] +name = "enum-iterator-derive" +version = "0.6.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1e94aa31f7c0dc764f57896dc615ddd76fc13b0d5dca7eb6cc5e018a5a09ec06" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + [[package]] name = "env_logger" version = "0.6.2" @@ -1438,6 +1437,18 @@ dependencies = [ "wasi", ] +[[package]] +name = "getset" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "24b328c01a4d71d2d8173daa93562a73ab0fe85616876f02500f53d82948c504" +dependencies = [ + "proc-macro-error", + "proc-macro2", + "quote", + "syn", +] + [[package]] name = "gimli" version = "0.23.0" @@ -1731,17 +1742,6 @@ version = "0.4.6" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6" -[[package]] -name = "jemalloc-sys" -version = "0.3.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0d3b9f3f5c9b31aa0f5ed3260385ac205db665baa41d49bb8338008ae94ede45" -dependencies = [ - "cc", - "fs_extra", - "libc", -] - [[package]] name = "jobserver" version = "0.1.21" @@ -2314,13 +2314,13 @@ name = "miri" version = "0.1.0" dependencies = [ "colored", - "compiletest_rs 0.5.0", - "env_logger 0.7.1", + "compiletest_rs", + "env_logger 0.8.1", "getrandom 0.2.0", "hex 0.4.2", "libc", "log", - "rand 0.7.3", + "rand 0.8.3", "rustc-workspace-hack", "rustc_version", "shell-escape", @@ -3585,9 +3585,10 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2" name = "rustc-main" version = "0.0.0" dependencies = [ - "jemalloc-sys", "rustc_codegen_ssa", "rustc_driver", + "tikv-jemalloc-sys", + "tikv-jemallocator", ] [[package]] @@ -3811,7 +3812,6 @@ dependencies = [ "itertools 0.9.0", "jobserver", "libc", - "memmap2", "pathdiff", "rustc_apfloat", "rustc_ast", @@ -3846,6 +3846,7 @@ dependencies = [ "jobserver", "libc", "measureme", + "memmap2", "parking_lot", "rustc-hash", "rustc-rayon", @@ -4145,7 +4146,6 @@ name = "rustc_metadata" version = "0.0.0" dependencies = [ "libc", - "memmap2", "rustc_ast", "rustc_attr", "rustc_data_structures", @@ -4591,11 +4591,11 @@ dependencies = [ [[package]] name = "rustc_version" -version = "0.2.3" +version = "0.3.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a" +checksum = "f0dfe2087c51c460008730de8b57e6a320782fbfb312e1f4d520e6c6fae155ee" dependencies = [ - "semver 0.9.0", + "semver 0.11.0", ] [[package]] @@ -5241,17 +5241,6 @@ dependencies = [ "term 0.0.0", ] -[[package]] -name = "tester" -version = "0.7.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ee72ec31009a42b53de9a6b7d8f462b493ab3b1e4767bda1fcdbb52127f13b6c" -dependencies = [ - "getopts", - "libc", - "term 0.6.1", -] - [[package]] name = "tester" version = "0.9.0" @@ -5308,6 +5297,7 @@ name = "tidy" version = "0.1.0" dependencies = [ "cargo_metadata 0.11.1", + "crossbeam-utils 0.8.0", "lazy_static", "regex", "walkdir", @@ -5317,6 +5307,27 @@ dependencies = [ name = "tier-check" version = "0.1.0" +[[package]] +name = "tikv-jemalloc-sys" +version = "0.4.1+5.2.1-patched" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8a26331b05179d4cb505c8d6814a7e18d298972f0a551b0e3cefccff927f86d3" +dependencies = [ + "cc", + "fs_extra", + "libc", +] + +[[package]] +name = "tikv-jemallocator" +version = "0.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3c14a5a604eb8715bc5785018a37d00739b180bcf609916ddf4393d33d49ccdf" +dependencies = [ + "libc", + "tikv-jemalloc-sys", +] + [[package]] name = "time" version = "0.1.43" @@ -5664,12 +5675,17 @@ checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191" [[package]] name = "vergen" -version = "3.1.0" +version = "5.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4ce50d8996df1f85af15f2cd8d33daae6e479575123ef4314a51a70a230739cb" +checksum = "dfbc87f9a7a9d61b15d51d1d3547284f67b6b4f1494ce3fc5814c101f35a5183" dependencies = [ - "bitflags", + "anyhow", "chrono", + "enum-iterator", + "getset", + "git2", + "rustversion", + "thiserror", ] [[package]] diff --git a/CODE_OF_CONDUCT.md b/UPSTREAM-CODE_OF_CONDUCT.md similarity index 100% rename from CODE_OF_CONDUCT.md rename to UPSTREAM-CODE_OF_CONDUCT.md diff --git a/CONTRIBUTING.md b/UPSTREAM-CONTRIBUTING.md similarity index 100% rename from CONTRIBUTING.md rename to UPSTREAM-CONTRIBUTING.md diff --git a/COPYRIGHT b/UPSTREAM-COPYRIGHT similarity index 100% rename from COPYRIGHT rename to UPSTREAM-COPYRIGHT diff --git a/README.md b/UPSTREAM-README.md similarity index 100% rename from README.md rename to UPSTREAM-README.md diff --git a/RELEASES.md b/UPSTREAM-RELEASES.md similarity index 100% rename from RELEASES.md rename to UPSTREAM-RELEASES.md diff --git a/compiler/rustc/Cargo.toml b/compiler/rustc/Cargo.toml index 6e6c0c71a1f3..ca6055c46a64 100644 --- a/compiler/rustc/Cargo.toml +++ b/compiler/rustc/Cargo.toml @@ -11,12 +11,16 @@ rustc_driver = { path = "../rustc_driver" } # crate is intended to be used by codegen backends, which may not be in-tree. rustc_codegen_ssa = { path = "../rustc_codegen_ssa" } -[dependencies.jemalloc-sys] -version = '0.3.0' +[dependencies.tikv-jemalloc-sys] +version = '0.4.0' optional = true features = ['unprefixed_malloc_on_supported_platforms'] +[dependencies.tikv-jemallocator] +version = '0.4.0' +optional = true + [features] -jemalloc = ['jemalloc-sys'] +jemalloc = ['tikv-jemalloc-sys', 'tikv-jemallocator'] llvm = ['rustc_driver/llvm'] max_level_info = ['rustc_driver/max_level_info'] diff --git a/compiler/rustc/src/main.rs b/compiler/rustc/src/main.rs index 859028957db5..c80fab99496b 100644 --- a/compiler/rustc/src/main.rs +++ b/compiler/rustc/src/main.rs @@ -1,3 +1,16 @@ +// Configure jemalloc as the `global_allocator` when configured. This is +// so that we use the sized deallocation apis jemalloc provides +// (namely `sdallocx`). +// +// The symbol overrides documented below are also performed so that we can +// ensure that we use a consistent allocator across the rustc <-> llvm boundary +#[cfg(feature = "jemalloc")] +#[global_allocator] +static ALLOC: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc; + +#[cfg(feature = "tikv-jemalloc-sys")] +use tikv_jemalloc_sys as jemalloc_sys; + fn main() { // Pull in jemalloc when enabled. // @@ -7,7 +20,7 @@ fn main() { // dynamic libraries. That means to pull in jemalloc we actually need to // reference allocation symbols one way or another (as this file is the only // object code in the rustc executable). - #[cfg(feature = "jemalloc-sys")] + #[cfg(feature = "tikv-jemalloc-sys")] { use std::os::raw::{c_int, c_void}; diff --git a/compiler/rustc_arena/src/lib.rs b/compiler/rustc_arena/src/lib.rs index c3198fb10431..c3e4945c4464 100644 --- a/compiler/rustc_arena/src/lib.rs +++ b/compiler/rustc_arena/src/lib.rs @@ -236,26 +236,6 @@ impl TypedArena { start_ptr } - /// Allocates a slice of objects that are copied into the `TypedArena`, returning a mutable - /// reference to it. Will panic if passed a zero-sized types. - /// - /// Panics: - /// - /// - Zero-sized types - /// - Zero-length slices - #[inline] - pub fn alloc_slice(&self, slice: &[T]) -> &mut [T] - where - T: Copy, - { - unsafe { - let len = slice.len(); - let start_ptr = self.alloc_raw_slice(len); - slice.as_ptr().copy_to_nonoverlapping(start_ptr, len); - slice::from_raw_parts_mut(start_ptr, len) - } - } - #[inline] pub fn alloc_from_iter>(&self, iter: I) -> &mut [T] { assert!(mem::size_of::() != 0); diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 7e82d7ff77d9..da9accd18391 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -762,14 +762,6 @@ pub enum Mutability { } impl Mutability { - /// Returns `MutMutable` only if both `self` and `other` are mutable. - pub fn and(self, other: Self) -> Self { - match self { - Mutability::Mut => other, - Mutability::Not => Mutability::Not, - } - } - pub fn invert(self) -> Self { match self { Mutability::Mut => Mutability::Not, @@ -1722,13 +1714,6 @@ impl FloatTy { FloatTy::F64 => sym::f64, } } - - pub fn bit_width(self) -> u64 { - match self { - FloatTy::F32 => 32, - FloatTy::F64 => 64, - } - } } #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] @@ -1764,29 +1749,6 @@ impl IntTy { IntTy::I128 => sym::i128, } } - - pub fn bit_width(&self) -> Option { - Some(match *self { - IntTy::Isize => return None, - IntTy::I8 => 8, - IntTy::I16 => 16, - IntTy::I32 => 32, - IntTy::I64 => 64, - IntTy::I128 => 128, - }) - } - - pub fn normalize(&self, target_width: u32) -> Self { - match self { - IntTy::Isize => match target_width { - 16 => IntTy::I16, - 32 => IntTy::I32, - 64 => IntTy::I64, - _ => unreachable!(), - }, - _ => *self, - } - } } #[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, Debug)] @@ -1822,29 +1784,6 @@ impl UintTy { UintTy::U128 => sym::u128, } } - - pub fn bit_width(&self) -> Option { - Some(match *self { - UintTy::Usize => return None, - UintTy::U8 => 8, - UintTy::U16 => 16, - UintTy::U32 => 32, - UintTy::U64 => 64, - UintTy::U128 => 128, - }) - } - - pub fn normalize(&self, target_width: u32) -> Self { - match self { - UintTy::Usize => match target_width { - 16 => UintTy::U16, - 32 => UintTy::U32, - 64 => UintTy::U64, - _ => unreachable!(), - }, - _ => *self, - } - } } /// A constraint on an associated type (e.g., `A = Bar` in `Foo` or @@ -2059,7 +1998,7 @@ pub enum InlineAsmOperand { out_expr: Option>, }, Const { - expr: P, + anon_const: AnonConst, }, Sym { expr: P, @@ -2215,9 +2154,6 @@ pub struct FnDecl { } impl FnDecl { - pub fn get_self(&self) -> Option { - self.inputs.get(0).and_then(Param::to_self) - } pub fn has_self(&self) -> bool { self.inputs.get(0).map_or(false, Param::is_self) } diff --git a/compiler/rustc_ast/src/attr/mod.rs b/compiler/rustc_ast/src/attr/mod.rs index 2c5e180f80d4..0fbe4d0120ca 100644 --- a/compiler/rustc_ast/src/attr/mod.rs +++ b/compiler/rustc_ast/src/attr/mod.rs @@ -100,16 +100,7 @@ impl NestedMetaItem { self.meta_item().map_or(false, |meta_item| meta_item.is_word()) } - /// Returns `true` if `self` is a `MetaItem` and the meta item is a `ValueString`. - pub fn is_value_str(&self) -> bool { - self.value_str().is_some() - } - - /// Returns `true` if `self` is a `MetaItem` and the meta item is a list. - pub fn is_meta_item_list(&self) -> bool { - self.meta_item_list().is_some() - } - + /// See [`MetaItem::name_value_literal_span`]. pub fn name_value_literal_span(&self) -> Option { self.meta_item()?.name_value_literal_span() } @@ -165,31 +156,6 @@ impl Attribute { false } } - - pub fn is_meta_item_list(&self) -> bool { - self.meta_item_list().is_some() - } - - /// Indicates if the attribute is a `ValueString`. - pub fn is_value_str(&self) -> bool { - self.value_str().is_some() - } - - /// This is used in case you want the value span instead of the whole attribute. Example: - /// - /// ```text - /// #[doc(alias = "foo")] - /// ``` - /// - /// In here, it'll return a span for `"foo"`. - pub fn name_value_literal_span(&self) -> Option { - match self.kind { - AttrKind::Normal(ref item, _) => { - item.meta(self.span).and_then(|meta| meta.name_value_literal_span()) - } - AttrKind::DocComment(..) => None, - } - } } impl MetaItem { @@ -236,10 +202,6 @@ impl MetaItem { self.path == name } - pub fn is_value_str(&self) -> bool { - self.value_str().is_some() - } - /// This is used in case you want the value span instead of the whole attribute. Example: /// /// ```text diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index f426f2c7fece..b1840f475aa0 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -1252,7 +1252,6 @@ pub fn noop_visit_expr( match op { InlineAsmOperand::In { expr, .. } | InlineAsmOperand::InOut { expr, .. } - | InlineAsmOperand::Const { expr, .. } | InlineAsmOperand::Sym { expr, .. } => vis.visit_expr(expr), InlineAsmOperand::Out { expr, .. } => { if let Some(expr) = expr { @@ -1265,6 +1264,7 @@ pub fn noop_visit_expr( vis.visit_expr(out_expr); } } + InlineAsmOperand::Const { anon_const, .. } => vis.visit_anon_const(anon_const), } } } diff --git a/compiler/rustc_ast/src/tokenstream.rs b/compiler/rustc_ast/src/tokenstream.rs index 1e63ca172e7f..1c26668779f6 100644 --- a/compiler/rustc_ast/src/tokenstream.rs +++ b/compiler/rustc_ast/src/tokenstream.rs @@ -89,10 +89,6 @@ impl TokenTree { } } - pub fn joint(self) -> TokenStream { - TokenStream::new(vec![(self, Spacing::Joint)]) - } - pub fn token(kind: TokenKind, span: Span) -> TokenTree { TokenTree::Token(Token::new(kind, span)) } @@ -182,7 +178,7 @@ impl HashStable for LazyTokenStream { /// The goal is for procedural macros to work with `TokenStream`s and `TokenTree`s /// instead of a representation of the abstract syntax tree. /// Today's `TokenTree`s can still contain AST via `token::Interpolated` for -/// backwards compatability. +/// backwards compatibility. #[derive(Clone, Debug, Default, Encodable, Decodable)] pub struct TokenStream(pub(crate) Lrc>); @@ -278,14 +274,6 @@ impl TokenStream { self.0.len() } - pub fn span(&self) -> Option { - match &**self.0 { - [] => None, - [(tt, _)] => Some(tt.span()), - [(tt_start, _), .., (tt_end, _)] => Some(tt_start.span().to(tt_end.span())), - } - } - pub fn from_streams(mut streams: SmallVec<[TokenStream; 2]>) -> TokenStream { match streams.len() { 0 => TokenStream::default(), @@ -325,10 +313,6 @@ impl TokenStream { } } - pub fn trees_ref(&self) -> CursorRef<'_> { - CursorRef::new(self) - } - pub fn trees(&self) -> Cursor { self.clone().into_trees() } @@ -427,10 +411,6 @@ pub struct CursorRef<'t> { } impl<'t> CursorRef<'t> { - fn new(stream: &TokenStream) -> CursorRef<'_> { - CursorRef { stream, index: 0 } - } - fn next_with_spacing(&mut self) -> Option<&'t TreeAndSpacing> { self.stream.0.get(self.index).map(|tree| { self.index += 1; diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index b1ad29e4ad86..3f35919ae6a2 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -835,7 +835,6 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) { match op { InlineAsmOperand::In { expr, .. } | InlineAsmOperand::InOut { expr, .. } - | InlineAsmOperand::Const { expr, .. } | InlineAsmOperand::Sym { expr, .. } => visitor.visit_expr(expr), InlineAsmOperand::Out { expr, .. } => { if let Some(expr) = expr { @@ -848,6 +847,9 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) { visitor.visit_expr(out_expr); } } + InlineAsmOperand::Const { anon_const, .. } => { + visitor.visit_anon_const(anon_const) + } } } } diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index 32fb8d1c8f46..75dfe951c948 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -1411,9 +1411,9 @@ impl<'hir> LoweringContext<'_, 'hir> { out_expr: out_expr.as_ref().map(|expr| self.lower_expr_mut(expr)), } } - InlineAsmOperand::Const { ref expr } => { - hir::InlineAsmOperand::Const { expr: self.lower_expr_mut(expr) } - } + InlineAsmOperand::Const { ref anon_const } => hir::InlineAsmOperand::Const { + anon_const: self.lower_anon_const(anon_const), + }, InlineAsmOperand::Sym { ref expr } => { hir::InlineAsmOperand::Sym { expr: self.lower_expr_mut(expr) } } @@ -1499,46 +1499,64 @@ impl<'hir> LoweringContext<'_, 'hir> { // previous iteration. required_features.clear(); - // Validate register classes against currently enabled target - // features. We check that at least one type is available for - // the current target. let reg_class = reg.reg_class(); if reg_class == asm::InlineAsmRegClass::Err { continue; } - for &(_, feature) in reg_class.supported_types(asm_arch.unwrap()) { - if let Some(feature) = feature { - if self.sess.target_features.contains(&Symbol::intern(feature)) { + + // We ignore target feature requirements for clobbers: if the + // feature is disabled then the compiler doesn't care what we + // do with the registers. + // + // Note that this is only possible for explicit register + // operands, which cannot be used in the asm string. + let is_clobber = matches!( + op, + hir::InlineAsmOperand::Out { + reg: asm::InlineAsmRegOrRegClass::Reg(_), + late: _, + expr: None + } + ); + + if !is_clobber { + // Validate register classes against currently enabled target + // features. We check that at least one type is available for + // the current target. + for &(_, feature) in reg_class.supported_types(asm_arch.unwrap()) { + if let Some(feature) = feature { + if self.sess.target_features.contains(&Symbol::intern(feature)) { + required_features.clear(); + break; + } else { + required_features.push(feature); + } + } else { required_features.clear(); break; - } else { - required_features.push(feature); } - } else { - required_features.clear(); - break; - } - } - // We are sorting primitive strs here and can use unstable sort here - required_features.sort_unstable(); - required_features.dedup(); - match &required_features[..] { - [] => {} - [feature] => { - let msg = format!( - "register class `{}` requires the `{}` target feature", - reg_class.name(), - feature - ); - sess.struct_span_err(op_sp, &msg).emit(); } - features => { - let msg = format!( - "register class `{}` requires at least one target feature: {}", - reg_class.name(), - features.join(", ") - ); - sess.struct_span_err(op_sp, &msg).emit(); + // We are sorting primitive strs here and can use unstable sort here + required_features.sort_unstable(); + required_features.dedup(); + match &required_features[..] { + [] => {} + [feature] => { + let msg = format!( + "register class `{}` requires the `{}` target feature", + reg_class.name(), + feature + ); + sess.struct_span_err(op_sp, &msg).emit(); + } + features => { + let msg = format!( + "register class `{}` requires at least one target feature: {}", + reg_class.name(), + features.join(", ") + ); + sess.struct_span_err(op_sp, &msg).emit(); + } } } diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index 192c32803271..be56f97af8a3 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -569,7 +569,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { } hir::Crate { - item: hir::CrateItem { module, span: c.span }, + item: module, exported_macros: self.arena.alloc_from_iter(self.exported_macros), non_exported_macro_attrs: self.arena.alloc_from_iter(self.non_exported_macro_attrs), items: self.items, @@ -2259,13 +2259,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let kind = hir::GenericParamKind::Type { default: default.as_ref().map(|x| { - self.lower_ty( - x, - ImplTraitContext::OtherOpaqueTy { - capturable_lifetimes: &mut FxHashSet::default(), - origin: hir::OpaqueTyOrigin::Misc, - }, - ) + self.lower_ty(x, ImplTraitContext::Disallowed(ImplTraitPosition::Other)) }), synthetic: param .attrs diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index 96bb9cfb1a6b..bb09f701531c 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -532,6 +532,25 @@ impl<'a> AstValidator<'a> { } } + /// An item in `extern { ... }` cannot use non-ascii identifier. + fn check_foreign_item_ascii_only(&self, ident: Ident) { + let symbol_str = ident.as_str(); + if !symbol_str.is_ascii() { + let n = 83942; + self.err_handler() + .struct_span_err( + ident.span, + "items in `extern` blocks cannot use non-ascii identifiers", + ) + .span_label(self.current_extern_span(), "in this `extern` block") + .note(&format!( + "This limitation may be lifted in the future; see issue #{} for more information", + n, n, + )) + .emit(); + } + } + /// Reject C-varadic type unless the function is foreign, /// or free and `unsafe extern "C"` semantically. fn check_c_varadic_type(&self, fk: FnKind<'a>) { @@ -592,7 +611,7 @@ impl<'a> AstValidator<'a> { self.session, ident.span, E0754, - "trying to load file for module `{}` with non ascii identifer name", + "trying to load file for module `{}` with non-ascii identifier name", ident.name ) .help("consider using `#[path]` attribute to specify filesystem path") @@ -1103,15 +1122,18 @@ impl<'a> Visitor<'a> for AstValidator<'a> { self.check_defaultness(fi.span, *def); self.check_foreign_fn_bodyless(fi.ident, body.as_deref()); self.check_foreign_fn_headerless(fi.ident, fi.span, sig.header); + self.check_foreign_item_ascii_only(fi.ident); } ForeignItemKind::TyAlias(box TyAliasKind(def, generics, bounds, body)) => { self.check_defaultness(fi.span, *def); self.check_foreign_kind_bodyless(fi.ident, "type", body.as_ref().map(|b| b.span)); self.check_type_no_bounds(bounds, "`extern` blocks"); self.check_foreign_ty_genericless(generics); + self.check_foreign_item_ascii_only(fi.ident); } ForeignItemKind::Static(_, _, body) => { self.check_foreign_kind_bodyless(fi.ident, "static", body.as_ref().map(|b| b.span)); + self.check_foreign_item_ascii_only(fi.ident); } ForeignItemKind::MacCall(..) => {} } diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index 2f73e44faf62..3724438cc6ed 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -313,7 +313,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { include => external_doc cfg => doc_cfg masked => doc_masked - spotlight => doc_spotlight + notable_trait => doc_notable_trait keyword => doc_keyword ); } diff --git a/compiler/rustc_ast_pretty/src/pprust/mod.rs b/compiler/rustc_ast_pretty/src/pprust/mod.rs index b88699f6ee17..976725b308e0 100644 --- a/compiler/rustc_ast_pretty/src/pprust/mod.rs +++ b/compiler/rustc_ast_pretty/src/pprust/mod.rs @@ -22,10 +22,6 @@ pub fn token_to_string(token: &Token) -> String { State::new().token_to_string(token) } -pub fn token_to_string_ext(token: &Token, convert_dollar_crate: bool) -> String { - State::new().token_to_string_ext(token, convert_dollar_crate) -} - pub fn ty_to_string(ty: &ast::Ty) -> String { State::new().ty_to_string(ty) } @@ -50,18 +46,10 @@ pub fn tts_to_string(tokens: &TokenStream) -> String { State::new().tts_to_string(tokens) } -pub fn stmt_to_string(stmt: &ast::Stmt) -> String { - State::new().stmt_to_string(stmt) -} - pub fn item_to_string(i: &ast::Item) -> String { State::new().item_to_string(i) } -pub fn generic_params_to_string(generic_params: &[ast::GenericParam]) -> String { - State::new().generic_params_to_string(generic_params) -} - pub fn path_to_string(p: &ast::Path) -> String { State::new().path_to_string(p) } @@ -74,26 +62,14 @@ pub fn vis_to_string(v: &ast::Visibility) -> String { State::new().vis_to_string(v) } -pub fn block_to_string(blk: &ast::Block) -> String { - State::new().block_to_string(blk) -} - pub fn meta_list_item_to_string(li: &ast::NestedMetaItem) -> String { State::new().meta_list_item_to_string(li) } -pub fn attr_item_to_string(ai: &ast::AttrItem) -> String { - State::new().attr_item_to_string(ai) -} - pub fn attribute_to_string(attr: &ast::Attribute) -> String { State::new().attribute_to_string(attr) } -pub fn param_to_string(arg: &ast::Param) -> String { - State::new().param_to_string(arg) -} - pub fn to_string(f: impl FnOnce(&mut State<'_>)) -> String { State::new().to_string(f) } diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index 84f8ce5706ae..789d2c296e29 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -2149,10 +2149,10 @@ impl<'a> State<'a> { None => s.word("_"), } } - InlineAsmOperand::Const { expr } => { + InlineAsmOperand::Const { anon_const } => { s.word("const"); s.space(); - s.print_expr(expr); + s.print_expr(&anon_const.value); } InlineAsmOperand::Sym { expr } => { s.word("sym"); @@ -2292,10 +2292,6 @@ impl<'a> State<'a> { } } - pub fn print_usize(&mut self, i: usize) { - self.s.word(i.to_string()) - } - crate fn print_name(&mut self, name: Symbol) { self.s.word(name.to_string()); self.ann.post(self, AnnNode::Name(&name)) diff --git a/compiler/rustc_attr/src/builtin.rs b/compiler/rustc_attr/src/builtin.rs index e58b266fdb9e..20971ebb9574 100644 --- a/compiler/rustc_attr/src/builtin.rs +++ b/compiler/rustc_attr/src/builtin.rs @@ -862,18 +862,6 @@ pub fn find_repr_attrs(sess: &Session, attr: &Attribute) -> Vec { if let Some(items) = attr.meta_item_list() { sess.mark_attr_used(attr); for item in items { - if !item.is_meta_item() { - handle_errors( - &sess.parse_sess, - item.span(), - AttrError::UnsupportedLiteral( - "meta item in `repr` must be an identifier", - false, - ), - ); - continue; - } - let mut recognised = false; if item.is_word() { let hint = match item.name_or_empty() { @@ -890,23 +878,6 @@ pub fn find_repr_attrs(sess: &Session, attr: &Attribute) -> Vec { acc.push(h); } } else if let Some((name, value)) = item.name_value_literal() { - let parse_alignment = |node: &ast::LitKind| -> Result { - if let ast::LitKind::Int(literal, ast::LitIntType::Unsuffixed) = node { - if literal.is_power_of_two() { - // rustc_middle::ty::layout::Align restricts align to <= 2^29 - if *literal <= 1 << 29 { - Ok(*literal as u32) - } else { - Err("larger than 2^29") - } - } else { - Err("not a power of two") - } - } else { - Err("not an unsuffixed integer") - } - }; - let mut literal_error = None; if name == sym::align { recognised = true; @@ -966,13 +937,7 @@ pub fn find_repr_attrs(sess: &Session, attr: &Attribute) -> Vec { } if !recognised { // Not a word we recognize - struct_span_err!( - diagnostic, - item.span(), - E0552, - "unrecognized representation hint" - ) - .emit(); + diagnostic.delay_span_bug(item.span(), "unrecognized representation hint"); } } } @@ -1080,3 +1045,16 @@ fn allow_unstable<'a>( name }) } + +pub fn parse_alignment(node: &ast::LitKind) -> Result { + if let ast::LitKind::Int(literal, ast::LitIntType::Unsuffixed) = node { + if literal.is_power_of_two() { + // rustc_middle::ty::layout::Align restricts align to <= 2^29 + if *literal <= 1 << 29 { Ok(*literal as u32) } else { Err("larger than 2^29") } + } else { + Err("not a power of two") + } + } else { + Err("not an unsuffixed integer") + } +} diff --git a/compiler/rustc_builtin_macros/src/asm.rs b/compiler/rustc_builtin_macros/src/asm.rs index e6afc81d0396..fd976b119b74 100644 --- a/compiler/rustc_builtin_macros/src/asm.rs +++ b/compiler/rustc_builtin_macros/src/asm.rs @@ -136,8 +136,8 @@ fn parse_args<'a>( ast::InlineAsmOperand::InOut { reg, expr, late: true } } } else if p.eat_keyword(kw::Const) { - let expr = p.parse_expr()?; - ast::InlineAsmOperand::Const { expr } + let anon_const = p.parse_anon_const_expr()?; + ast::InlineAsmOperand::Const { anon_const } } else if p.eat_keyword(sym::sym) { let expr = p.parse_expr()?; match expr.kind { diff --git a/compiler/rustc_builtin_macros/src/derive.rs b/compiler/rustc_builtin_macros/src/derive.rs index 0da2c1c1021f..1bb050a40cee 100644 --- a/compiler/rustc_builtin_macros/src/derive.rs +++ b/compiler/rustc_builtin_macros/src/derive.rs @@ -1,6 +1,6 @@ use crate::cfg_eval::cfg_eval; -use rustc_ast::{self as ast, token, ItemKind, MetaItemKind, NestedMetaItem, StmtKind}; +use rustc_ast::{self as ast, attr, token, ItemKind, MetaItemKind, NestedMetaItem, StmtKind}; use rustc_errors::{struct_span_err, Applicability}; use rustc_expand::base::{Annotatable, ExpandResult, ExtCtxt, Indeterminate, MultiItemModifier}; use rustc_feature::AttributeTemplate; @@ -26,32 +26,39 @@ impl MultiItemModifier for Expander { return ExpandResult::Ready(vec![item]); } - let template = - AttributeTemplate { list: Some("Trait1, Trait2, ..."), ..Default::default() }; - let attr = ecx.attribute(meta_item.clone()); - validate_attr::check_builtin_attribute(&sess.parse_sess, &attr, sym::derive, template); + let result = + ecx.resolver.resolve_derives(ecx.current_expansion.id, ecx.force_mode, &|| { + let template = + AttributeTemplate { list: Some("Trait1, Trait2, ..."), ..Default::default() }; + let attr = attr::mk_attr_outer(meta_item.clone()); + validate_attr::check_builtin_attribute( + &sess.parse_sess, + &attr, + sym::derive, + template, + ); - let derives: Vec<_> = attr - .meta_item_list() - .unwrap_or_default() - .into_iter() - .filter_map(|nested_meta| match nested_meta { - NestedMetaItem::MetaItem(meta) => Some(meta), - NestedMetaItem::Literal(lit) => { - // Reject `#[derive("Debug")]`. - report_unexpected_literal(sess, &lit); - None - } - }) - .map(|meta| { - // Reject `#[derive(Debug = "value", Debug(abc))]`, but recover the paths. - report_path_args(sess, &meta); - meta.path - }) - .collect(); + attr.meta_item_list() + .unwrap_or_default() + .into_iter() + .filter_map(|nested_meta| match nested_meta { + NestedMetaItem::MetaItem(meta) => Some(meta), + NestedMetaItem::Literal(lit) => { + // Reject `#[derive("Debug")]`. + report_unexpected_literal(sess, &lit); + None + } + }) + .map(|meta| { + // Reject `#[derive(Debug = "value", Debug(abc))]`, but recover the paths. + report_path_args(sess, &meta); + meta.path + }) + .map(|path| (path, None)) + .collect() + }); - // FIXME: Try to cache intermediate results to avoid collecting same paths multiple times. - match ecx.resolver.resolve_derives(ecx.current_expansion.id, derives, ecx.force_mode) { + match result { Ok(()) => ExpandResult::Ready(cfg_eval(ecx, item)), Err(Indeterminate) => ExpandResult::Retry(item), } diff --git a/compiler/rustc_codegen_cranelift/Cargo.lock b/compiler/rustc_codegen_cranelift/Cargo.lock index 3cb67032aaa2..dc1cd336e159 100644 --- a/compiler/rustc_codegen_cranelift/Cargo.lock +++ b/compiler/rustc_codegen_cranelift/Cargo.lock @@ -240,15 +240,6 @@ dependencies = [ "libc", ] -[[package]] -name = "memmap2" -version = "0.2.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "04e3e85b970d650e2ae6d70592474087051c11c54da7f7b4949725c5735fbcc6" -dependencies = [ - "libc", -] - [[package]] name = "object" version = "0.23.0" @@ -319,7 +310,6 @@ dependencies = [ "gimli", "indexmap", "libloading", - "memmap2", "object", "smallvec", "target-lexicon", diff --git a/compiler/rustc_codegen_cranelift/Cargo.toml b/compiler/rustc_codegen_cranelift/Cargo.toml index 59542c414fa8..60946ab28085 100644 --- a/compiler/rustc_codegen_cranelift/Cargo.toml +++ b/compiler/rustc_codegen_cranelift/Cargo.toml @@ -22,7 +22,6 @@ ar = { git = "https://github.com/bjorn3/rust-ar.git", branch = "do_not_remove_cg indexmap = "1.0.2" libloading = { version = "0.6.0", optional = true } smallvec = "1.6.1" -memmap2 = "0.2.1" # Uncomment to use local checkout of cranelift #[patch."https://github.com/bytecodealliance/wasmtime/"] diff --git a/compiler/rustc_codegen_cranelift/src/metadata.rs b/compiler/rustc_codegen_cranelift/src/metadata.rs index c5189c972cd2..dbdc8cbad44c 100644 --- a/compiler/rustc_codegen_cranelift/src/metadata.rs +++ b/compiler/rustc_codegen_cranelift/src/metadata.rs @@ -1,11 +1,11 @@ //! Reading and writing of the rustc metadata for rlibs and dylibs use std::fs::File; -use std::ops::Deref; use std::path::Path; use rustc_codegen_ssa::METADATA_FILENAME; -use rustc_data_structures::owning_ref::{OwningRef, StableAddress}; +use rustc_data_structures::memmap::Mmap; +use rustc_data_structures::owning_ref::OwningRef; use rustc_data_structures::rustc_erase_owner; use rustc_data_structures::sync::MetadataRef; use rustc_middle::middle::cstore::{EncodedMetadata, MetadataLoader}; @@ -17,26 +17,13 @@ use crate::backend::WriteMetadata; pub(crate) struct CraneliftMetadataLoader; -struct StableMmap(memmap2::Mmap); - -impl Deref for StableMmap { - type Target = [u8]; - - fn deref(&self) -> &[u8] { - &*self.0 - } -} - -unsafe impl StableAddress for StableMmap {} - fn load_metadata_with( path: &Path, f: impl for<'a> FnOnce(&'a [u8]) -> Result<&'a [u8], String>, ) -> Result { let file = File::open(path).map_err(|e| format!("{:?}", e))?; - let data = unsafe { memmap2::MmapOptions::new().map_copy_read_only(&file) } - .map_err(|e| format!("{:?}", e))?; - let metadata = OwningRef::new(StableMmap(data)).try_map(f)?; + let data = unsafe { Mmap::map(file) }.map_err(|e| format!("{:?}", e))?; + let metadata = OwningRef::new(data).try_map(f)?; return Ok(rustc_erase_owner!(metadata.map_owner_box())); } diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index e7d359c4f149..84b091d8d4d7 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -14,7 +14,7 @@ use rustc_data_structures::fx::FxHashMap; use rustc_hir as hir; use rustc_middle::ty::layout::TyAndLayout; use rustc_middle::{bug, span_bug}; -use rustc_span::{Pos, Span}; +use rustc_span::{Pos, Span, Symbol}; use rustc_target::abi::*; use rustc_target::asm::*; @@ -125,15 +125,39 @@ impl AsmBuilderMethods<'tcx> for Builder<'a, 'll, 'tcx> { // Collect the types of output operands let mut constraints = vec![]; + let mut clobbers = vec![]; let mut output_types = vec![]; let mut op_idx = FxHashMap::default(); for (idx, op) in operands.iter().enumerate() { match *op { InlineAsmOperandRef::Out { reg, late, place } => { + let is_target_supported = |reg_class: InlineAsmRegClass| { + for &(_, feature) in reg_class.supported_types(asm_arch) { + if let Some(feature) = feature { + if self.tcx.sess.target_features.contains(&Symbol::intern(feature)) + { + return true; + } + } else { + // Register class is unconditionally supported + return true; + } + } + false + }; + let mut layout = None; let ty = if let Some(ref place) = place { layout = Some(&place.layout); llvm_fixup_output_type(self.cx, reg.reg_class(), &place.layout) + } else if !is_target_supported(reg.reg_class()) { + // We turn discarded outputs into clobber constraints + // if the target feature needed by the register class is + // disabled. This is necessary otherwise LLVM will try + // to actually allocate a register for the dummy output. + assert!(matches!(reg, InlineAsmRegOrRegClass::Reg(_))); + clobbers.push(format!("~{}", reg_to_llvm(reg, None))); + continue; } else { // If the output is discarded, we don't really care what // type is used. We're just using this to tell LLVM to @@ -244,6 +268,7 @@ impl AsmBuilderMethods<'tcx> for Builder<'a, 'll, 'tcx> { } } + constraints.append(&mut clobbers); if !options.contains(InlineAsmOptions::PRESERVES_FLAGS) { match asm_arch { InlineAsmArch::AArch64 | InlineAsmArch::Arm => { diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs index 64ebe585dd83..e06c1c825f6e 100644 --- a/compiler/rustc_codegen_llvm/src/attributes.rs +++ b/compiler/rustc_codegen_llvm/src/attributes.rs @@ -11,9 +11,9 @@ use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::ty::layout::HasTyCtxt; use rustc_middle::ty::query::Providers; use rustc_middle::ty::{self, TyCtxt}; -use rustc_session::config::{OptLevel, SanitizerSet}; +use rustc_session::config::OptLevel; use rustc_session::Session; -use rustc_target::spec::StackProbeType; +use rustc_target::spec::{SanitizerSet, StackProbeType}; use crate::attributes; use crate::llvm::AttributePlace::Function; @@ -254,6 +254,7 @@ pub fn from_fn_attrs(cx: &CodegenCx<'ll, 'tcx>, llfn: &'ll Value, instance: ty:: attributes::emit_uwtable(llfn, true); } + // FIXME: none of these three functions interact with source level attributes. set_frame_pointer_elimination(cx, llfn); set_instrument_function(cx, llfn); set_probestack(cx, llfn); @@ -279,6 +280,9 @@ pub fn from_fn_attrs(cx: &CodegenCx<'ll, 'tcx>, llfn: &'ll Value, instance: ty:: if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::CMSE_NONSECURE_ENTRY) { llvm::AddFunctionAttrString(llfn, Function, cstr!("cmse_nonsecure_entry")); } + if let Some(align) = codegen_fn_attrs.alignment { + llvm::set_alignment(llfn, align as usize); + } sanitize(cx, codegen_fn_attrs.no_sanitize, llfn); // Always annotate functions with the target-cpu they are compiled for. @@ -317,7 +321,7 @@ pub fn from_fn_attrs(cx: &CodegenCx<'ll, 'tcx>, llfn: &'ll Value, instance: ty:: // Note that currently the `wasm-import-module` doesn't do anything, but // eventually LLVM 7 should read this and ferry the appropriate import // module to the output file. - if cx.tcx.sess.target.arch == "wasm32" { + if cx.tcx.sess.target.is_like_wasm { if let Some(module) = wasm_import_module(cx.tcx, instance.def_id()) { llvm::AddFunctionAttrStringValue( llfn, diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index 388dd7ce81b1..b628ae3ae3af 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -23,11 +23,11 @@ use rustc_fs_util::{link_or_copy, path_to_c_string}; use rustc_hir::def_id::LOCAL_CRATE; use rustc_middle::bug; use rustc_middle::ty::TyCtxt; -use rustc_session::config::{self, Lto, OutputType, Passes, SanitizerSet, SwitchWithOptPath}; +use rustc_session::config::{self, Lto, OutputType, Passes, SwitchWithOptPath}; use rustc_session::Session; use rustc_span::symbol::sym; use rustc_span::InnerSpan; -use rustc_target::spec::{CodeModel, RelocModel, SplitDebuginfo}; +use rustc_target::spec::{CodeModel, RelocModel, SanitizerSet, SplitDebuginfo}; use tracing::debug; use libc::{c_char, c_int, c_uint, c_void, size_t}; @@ -170,10 +170,7 @@ pub fn target_machine_factory( // On the wasm target once the `atomics` feature is enabled that means that // we're no longer single-threaded, or otherwise we don't want LLVM to // lower atomic operations to single-threaded operations. - if singlethread - && sess.target.llvm_target.contains("wasm32") - && sess.target_features.contains(&sym::atomics) - { + if singlethread && sess.target.is_like_wasm && sess.target_features.contains(&sym::atomics) { singlethread = false; } @@ -548,6 +545,15 @@ pub(crate) unsafe fn optimize( llvm::LLVMRustAddPass(fpm, find_pass("lint").unwrap()); continue; } + if pass_name == "insert-gcov-profiling" || pass_name == "instrprof" { + // Instrumentation must be inserted before optimization, + // otherwise LLVM may optimize some functions away which + // breaks llvm-cov. + // + // This mirrors what Clang does in lib/CodeGen/BackendUtil.cpp. + llvm::LLVMRustAddPass(mpm, find_pass(pass_name).unwrap()); + continue; + } if let Some(pass) = find_pass(pass_name) { extra_passes.push(pass); @@ -1041,7 +1047,7 @@ pub unsafe fn with_llvm_pmb( // thresholds copied from clang. match (opt_level, opt_size, inline_threshold) { (.., Some(t)) => { - llvm::LLVMPassManagerBuilderUseInlinerWithThreshold(builder, t as u32); + llvm::LLVMPassManagerBuilderUseInlinerWithThreshold(builder, t); } (llvm::CodeGenOptLevel::Aggressive, ..) => { llvm::LLVMPassManagerBuilderUseInlinerWithThreshold(builder, 275); diff --git a/compiler/rustc_codegen_llvm/src/base.rs b/compiler/rustc_codegen_llvm/src/base.rs index db8abdd9b135..6f6c649bb0b1 100644 --- a/compiler/rustc_codegen_llvm/src/base.rs +++ b/compiler/rustc_codegen_llvm/src/base.rs @@ -32,8 +32,9 @@ use rustc_middle::middle::cstore::EncodedMetadata; use rustc_middle::middle::exported_symbols; use rustc_middle::mir::mono::{Linkage, Visibility}; use rustc_middle::ty::TyCtxt; -use rustc_session::config::{DebugInfo, SanitizerSet}; +use rustc_session::config::DebugInfo; use rustc_span::symbol::Symbol; +use rustc_target::spec::SanitizerSet; use std::ffi::CString; use std::time::Instant; diff --git a/compiler/rustc_codegen_llvm/src/callee.rs b/compiler/rustc_codegen_llvm/src/callee.rs index 367c1f4811cd..b26969a50120 100644 --- a/compiler/rustc_codegen_llvm/src/callee.rs +++ b/compiler/rustc_codegen_llvm/src/callee.rs @@ -14,6 +14,7 @@ use tracing::debug; use rustc_middle::ty::layout::{FnAbiExt, HasTyCtxt}; use rustc_middle::ty::{self, Instance, TypeFoldable}; +use rustc_target::spec::RelocModel; /// Codegens a reference to a fn/method item, monomorphizing and /// inlining as it goes. @@ -170,17 +171,19 @@ pub fn get_fn(cx: &CodegenCx<'ll, 'tcx>, instance: Instance<'tcx>) -> &'ll Value } } } - } - // MinGW: For backward compatibility we rely on the linker to decide whether it - // should use dllimport for functions. - if cx.use_dll_storage_attrs - && tcx.is_dllimport_foreign_item(instance_def_id) - && tcx.sess.target.env != "gnu" - { - unsafe { + // MinGW: For backward compatibility we rely on the linker to decide whether it + // should use dllimport for functions. + if cx.use_dll_storage_attrs + && tcx.is_dllimport_foreign_item(instance_def_id) + && tcx.sess.target.env != "gnu" + { llvm::LLVMSetDLLStorageClass(llfn, llvm::DLLStorageClass::DllImport); } + + if cx.tcx.sess.relocation_model() == RelocModel::Static { + llvm::LLVMRustSetDSOLocal(llfn, true); + } } llfn diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs index 32f4fc76b3d1..afc2bdbfd52e 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs @@ -250,13 +250,9 @@ fn add_unused_function_coverage( // Insert at least one real counter so the LLVM CoverageMappingReader will find expected // definitions. function_coverage.add_counter(UNUSED_FUNCTION_COUNTER_ID, code_region.clone()); + } else { + function_coverage.add_unreachable_region(code_region.clone()); } - // Add a Zero Counter for every code region. - // - // Even though the first coverage region already has an actual Counter, `llvm-cov` will not - // always report it. Re-adding an unreachable region (zero counter) for the same region - // seems to help produce the expected coverage. - function_coverage.add_unreachable_region(code_region.clone()); } if let Some(coverage_context) = cx.coverage_context() { diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index d90e93f116cc..e6fa852155b5 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -1083,9 +1083,9 @@ pub fn compile_unit_metadata( ); } - // Insert `llvm.ident` metadata on the wasm32 targets since that will + // Insert `llvm.ident` metadata on the wasm targets since that will // get hooked up to the "producer" sections `processed-by` information. - if tcx.sess.opts.target_triple.triple().starts_with("wasm32") { + if tcx.sess.target.is_like_wasm { let name_metadata = llvm::LLVMMDStringInContext( debug_context.llcontext, rustc_producer.as_ptr().cast(), diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index 5ca4b226c38f..882a8c40b586 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -15,6 +15,8 @@ #![feature(nll)] #![cfg_attr(bootstrap, feature(or_patterns))] #![recursion_limit = "256"] +#![feature(destructuring_assignment)] +#![feature(box_patterns)] use back::write::{create_informational_target_machine, create_target_machine}; @@ -279,27 +281,24 @@ impl CodegenBackend for LlvmCodegenBackend { &self, ongoing_codegen: Box, sess: &Session, - ) -> Result<(CodegenResults, FxHashMap), ErrorReported> { + ) -> Result<(Box, FxHashMap), ErrorReported> { let (codegen_results, work_products) = ongoing_codegen .downcast::>() .expect("Expected LlvmCodegenBackend's OngoingCodegen, found Box") .join(sess); - - sess.time("llvm_dump_timing_file", || { - if sess.opts.debugging_opts.llvm_time_trace { - llvm_util::time_trace_profiler_finish("llvm_timings.json"); - } - }); - - Ok((codegen_results, work_products)) + Ok((Box::new(codegen_results), work_products)) } fn link( &self, sess: &Session, - codegen_results: CodegenResults, + codegen_results: Box, outputs: &OutputFilenames, ) -> Result<(), ErrorReported> { + let codegen_results = codegen_results + .downcast::() + .expect("Expected CodegenResults, found Box"); + use crate::back::archive::LlvmArchiveBuilder; use rustc_codegen_ssa::back::link::link_binary; diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 82cd1be3b3b4..70f78c07c65d 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -190,33 +190,6 @@ pub enum RealPredicate { RealPredicateTrue = 15, } -impl RealPredicate { - pub fn from_generic(realpred: rustc_codegen_ssa::common::RealPredicate) -> Self { - match realpred { - rustc_codegen_ssa::common::RealPredicate::RealPredicateFalse => { - RealPredicate::RealPredicateFalse - } - rustc_codegen_ssa::common::RealPredicate::RealOEQ => RealPredicate::RealOEQ, - rustc_codegen_ssa::common::RealPredicate::RealOGT => RealPredicate::RealOGT, - rustc_codegen_ssa::common::RealPredicate::RealOGE => RealPredicate::RealOGE, - rustc_codegen_ssa::common::RealPredicate::RealOLT => RealPredicate::RealOLT, - rustc_codegen_ssa::common::RealPredicate::RealOLE => RealPredicate::RealOLE, - rustc_codegen_ssa::common::RealPredicate::RealONE => RealPredicate::RealONE, - rustc_codegen_ssa::common::RealPredicate::RealORD => RealPredicate::RealORD, - rustc_codegen_ssa::common::RealPredicate::RealUNO => RealPredicate::RealUNO, - rustc_codegen_ssa::common::RealPredicate::RealUEQ => RealPredicate::RealUEQ, - rustc_codegen_ssa::common::RealPredicate::RealUGT => RealPredicate::RealUGT, - rustc_codegen_ssa::common::RealPredicate::RealUGE => RealPredicate::RealUGE, - rustc_codegen_ssa::common::RealPredicate::RealULT => RealPredicate::RealULT, - rustc_codegen_ssa::common::RealPredicate::RealULE => RealPredicate::RealULE, - rustc_codegen_ssa::common::RealPredicate::RealUNE => RealPredicate::RealUNE, - rustc_codegen_ssa::common::RealPredicate::RealPredicateTrue => { - RealPredicate::RealPredicateTrue - } - } - } -} - /// LLVMTypeKind #[derive(Copy, Clone, PartialEq, Debug)] #[repr(C)] @@ -711,7 +684,7 @@ pub mod coverageinfo { } impl CounterMappingRegion { - pub fn code_region( + crate fn code_region( counter: coverage_map::Counter, file_id: u32, start_line: u32, @@ -731,7 +704,10 @@ pub mod coverageinfo { } } - pub fn expansion_region( + // This function might be used in the future; the LLVM API is still evolving, as is coverage + // support. + #[allow(dead_code)] + crate fn expansion_region( file_id: u32, expanded_file_id: u32, start_line: u32, @@ -751,7 +727,10 @@ pub mod coverageinfo { } } - pub fn skipped_region( + // This function might be used in the future; the LLVM API is still evolving, as is coverage + // support. + #[allow(dead_code)] + crate fn skipped_region( file_id: u32, start_line: u32, start_col: u32, @@ -770,7 +749,10 @@ pub mod coverageinfo { } } - pub fn gap_region( + // This function might be used in the future; the LLVM API is still evolving, as is coverage + // support. + #[allow(dead_code)] + crate fn gap_region( counter: coverage_map::Counter, file_id: u32, start_line: u32, @@ -1031,6 +1013,7 @@ extern "C" { pub fn LLVMSetSection(Global: &Value, Section: *const c_char); pub fn LLVMRustGetVisibility(Global: &Value) -> Visibility; pub fn LLVMRustSetVisibility(Global: &Value, Viz: Visibility); + pub fn LLVMRustSetDSOLocal(Global: &Value, is_dso_local: bool); pub fn LLVMGetAlignment(Global: &Value) -> c_uint; pub fn LLVMSetAlignment(Global: &Value, Bytes: c_uint); pub fn LLVMSetDLLStorageClass(V: &Value, C: DLLStorageClass); diff --git a/compiler/rustc_codegen_llvm/src/mono_item.rs b/compiler/rustc_codegen_llvm/src/mono_item.rs index 992e83d08fca..fc1f364e9c6b 100644 --- a/compiler/rustc_codegen_llvm/src/mono_item.rs +++ b/compiler/rustc_codegen_llvm/src/mono_item.rs @@ -10,7 +10,9 @@ pub use rustc_middle::mir::mono::MonoItem; use rustc_middle::mir::mono::{Linkage, Visibility}; use rustc_middle::ty::layout::FnAbiExt; use rustc_middle::ty::{self, Instance, TypeFoldable}; +use rustc_session::config::CrateType; use rustc_target::abi::LayoutOf; +use rustc_target::spec::RelocModel; use tracing::debug; impl PreDefineMethods<'tcx> for CodegenCx<'ll, 'tcx> { @@ -35,6 +37,9 @@ impl PreDefineMethods<'tcx> for CodegenCx<'ll, 'tcx> { unsafe { llvm::LLVMRustSetLinkage(g, base::linkage_to_llvm(linkage)); llvm::LLVMRustSetVisibility(g, base::visibility_to_llvm(visibility)); + if self.should_assume_dso_local(linkage, visibility) { + llvm::LLVMRustSetDSOLocal(g, true); + } } self.instances.borrow_mut().insert(instance, g); @@ -79,6 +84,42 @@ impl PreDefineMethods<'tcx> for CodegenCx<'ll, 'tcx> { attributes::from_fn_attrs(self, lldecl, instance); + unsafe { + if self.should_assume_dso_local(linkage, visibility) { + llvm::LLVMRustSetDSOLocal(lldecl, true); + } + } + self.instances.borrow_mut().insert(instance, lldecl); } } + +impl CodegenCx<'ll, 'tcx> { + /// Whether a definition (NB: not declaration!) can be assumed to be local to a group of + /// libraries that form a single DSO or executable. + pub(crate) unsafe fn should_assume_dso_local( + &self, + linkage: Linkage, + visibility: Visibility, + ) -> bool { + if matches!(linkage, Linkage::Internal | Linkage::Private) { + return true; + } + + if visibility != Visibility::Default && linkage != Linkage::ExternalWeak { + return true; + } + + // Static relocation model should force copy relocations everywhere. + if self.tcx.sess.relocation_model() == RelocModel::Static { + return true; + } + + // Symbols from executables can't really be imported any further. + if self.tcx.sess.crate_types().iter().all(|ty| *ty == CrateType::Executable) { + return true; + } + + return false; + } +} diff --git a/compiler/rustc_codegen_ssa/Cargo.toml b/compiler/rustc_codegen_ssa/Cargo.toml index 15dbbbd49aa5..7c1aaebb9aba 100644 --- a/compiler/rustc_codegen_ssa/Cargo.toml +++ b/compiler/rustc_codegen_ssa/Cargo.toml @@ -11,7 +11,6 @@ test = false bitflags = "1.2.1" cc = "1.0.1" itertools = "0.9" -memmap2 = "0.2.1" tracing = "0.1" libc = "0.2.50" jobserver = "0.1.11" diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 686ebc13ea3f..ea75943d6f31 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -6,7 +6,7 @@ use rustc_hir::def_id::CrateNum; use rustc_middle::middle::cstore::{EncodedMetadata, LibSource}; use rustc_middle::middle::dependency_format::Linkage; use rustc_session::config::{self, CFGuard, CrateType, DebugInfo}; -use rustc_session::config::{OutputFilenames, OutputType, PrintRequest, SanitizerSet}; +use rustc_session::config::{OutputFilenames, OutputType, PrintRequest}; use rustc_session::output::{check_file_is_writeable, invalid_output_for_target, out_filename}; use rustc_session::search_paths::PathKind; use rustc_session::utils::NativeLibKind; @@ -16,7 +16,7 @@ use rustc_session::{filesearch, Session}; use rustc_span::symbol::Symbol; use rustc_target::spec::crt_objects::{CrtObjects, CrtObjectsFallback}; use rustc_target::spec::{LinkOutputKind, LinkerFlavor, LldFlavor, SplitDebuginfo}; -use rustc_target::spec::{PanicStrategy, RelocModel, RelroLevel, Target}; +use rustc_target::spec::{PanicStrategy, RelocModel, RelroLevel, SanitizerSet, Target}; use super::archive::ArchiveBuilder; use super::command::Command; @@ -922,28 +922,20 @@ fn link_sanitizer_runtime(sess: &Session, linker: &mut dyn Linker, name: &str) { .map(|channel| format!("-{}", channel)) .unwrap_or_default(); - match sess.opts.target_triple.triple() { - "aarch64-apple-darwin" | "x86_64-apple-darwin" => { - // On Apple platforms, the sanitizer is always built as a dylib, and - // LLVM will link to `@rpath/*.dylib`, so we need to specify an - // rpath to the library as well (the rpath should be absolute, see - // PR #41352 for details). - let filename = format!("rustc{}_rt.{}", channel, name); - let path = find_sanitizer_runtime(&sess, &filename); - let rpath = path.to_str().expect("non-utf8 component in path"); - linker.args(&["-Wl,-rpath", "-Xlinker", rpath]); - linker.link_dylib(Symbol::intern(&filename)); - } - "aarch64-fuchsia" - | "aarch64-unknown-linux-gnu" - | "x86_64-fuchsia" - | "x86_64-unknown-freebsd" - | "x86_64-unknown-linux-gnu" => { - let filename = format!("librustc{}_rt.{}.a", channel, name); - let path = find_sanitizer_runtime(&sess, &filename).join(&filename); - linker.link_whole_rlib(&path); - } - _ => {} + if sess.target.is_like_osx { + // On Apple platforms, the sanitizer is always built as a dylib, and + // LLVM will link to `@rpath/*.dylib`, so we need to specify an + // rpath to the library as well (the rpath should be absolute, see + // PR #41352 for details). + let filename = format!("rustc{}_rt.{}", channel, name); + let path = find_sanitizer_runtime(&sess, &filename); + let rpath = path.to_str().expect("non-utf8 component in path"); + linker.args(&["-Wl,-rpath", "-Xlinker", rpath]); + linker.link_dylib(Symbol::intern(&filename)); + } else { + let filename = format!("librustc{}_rt.{}.a", channel, name); + let path = find_sanitizer_runtime(&sess, &filename).join(&filename); + linker.link_whole_rlib(&path); } } @@ -1419,15 +1411,10 @@ fn add_link_script(cmd: &mut dyn Linker, sess: &Session, tmpdir: &Path, crate_ty } } -/// Add arbitrary "user defined" args defined from command line and by `#[link_args]` attributes. +/// Add arbitrary "user defined" args defined from command line. /// FIXME: Determine where exactly these args need to be inserted. -fn add_user_defined_link_args( - cmd: &mut dyn Linker, - sess: &Session, - codegen_results: &CodegenResults, -) { +fn add_user_defined_link_args(cmd: &mut dyn Linker, sess: &Session) { cmd.args(&sess.opts.cg.link_args); - cmd.args(&*codegen_results.crate_info.link_args); } /// Add arbitrary "late link" args defined by the target spec. @@ -1769,7 +1756,7 @@ fn linker_with_args<'a, B: ArchiveBuilder<'a>>( add_rpath_args(cmd, sess, codegen_results, out_filename); // OBJECT-FILES-MAYBE, CUSTOMIZATION-POINT - add_user_defined_link_args(cmd, sess, codegen_results); + add_user_defined_link_args(cmd, sess); // NO-OPT-OUT, OBJECT-FILES-NO, AUDIT-ORDER cmd.finalize(); diff --git a/compiler/rustc_codegen_ssa/src/back/linker.rs b/compiler/rustc_codegen_ssa/src/back/linker.rs index e19274e579b9..77d8ab49ff25 100644 --- a/compiler/rustc_codegen_ssa/src/back/linker.rs +++ b/compiler/rustc_codegen_ssa/src/back/linker.rs @@ -186,7 +186,7 @@ impl<'a> GccLinker<'a> { // * On OSX they have their own linker, not binutils' // * For WebAssembly the only functional linker is LLD, which doesn't // support hint flags - !self.sess.target.is_like_osx && self.sess.target.arch != "wasm32" + !self.sess.target.is_like_osx && !self.sess.target.is_like_wasm } // Some platforms take hints about whether a library is static or dynamic. diff --git a/compiler/rustc_codegen_ssa/src/back/lto.rs b/compiler/rustc_codegen_ssa/src/back/lto.rs index c6aea22a63eb..0ff05229466a 100644 --- a/compiler/rustc_codegen_ssa/src/back/lto.rs +++ b/compiler/rustc_codegen_ssa/src/back/lto.rs @@ -2,6 +2,7 @@ use super::write::CodegenContext; use crate::traits::*; use crate::ModuleCodegen; +use rustc_data_structures::memmap::Mmap; use rustc_errors::FatalError; use std::ffi::CString; @@ -93,7 +94,7 @@ impl LtoModuleCodegen { pub enum SerializedModule { Local(M), FromRlib(Vec), - FromUncompressedFile(memmap2::Mmap), + FromUncompressedFile(Mmap), } impl SerializedModule { diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs index abad8281d3a6..b8f277c8ff5e 100644 --- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs +++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs @@ -15,7 +15,8 @@ use rustc_middle::ty::query::Providers; use rustc_middle::ty::subst::{GenericArgKind, SubstsRef}; use rustc_middle::ty::Instance; use rustc_middle::ty::{SymbolName, TyCtxt}; -use rustc_session::config::{CrateType, SanitizerSet}; +use rustc_session::config::CrateType; +use rustc_target::spec::SanitizerSet; pub fn threshold(tcx: TyCtxt<'_>) -> SymbolExportLevel { crates_export_threshold(&tcx.sess.crate_types()) diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index 7a8d8fb13043..04d06864ee14 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -10,6 +10,7 @@ use crate::{ use crate::traits::*; use jobserver::{Acquired, Client}; use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::memmap::Mmap; use rustc_data_structures::profiling::SelfProfilerRef; use rustc_data_structures::profiling::TimingGuard; use rustc_data_structures::profiling::VerboseTimingGuard; @@ -27,12 +28,12 @@ use rustc_middle::middle::exported_symbols::SymbolExportLevel; use rustc_middle::ty::TyCtxt; use rustc_session::cgu_reuse_tracker::CguReuseTracker; use rustc_session::config::{self, CrateType, Lto, OutputFilenames, OutputType}; -use rustc_session::config::{Passes, SanitizerSet, SwitchWithOptPath}; +use rustc_session::config::{Passes, SwitchWithOptPath}; use rustc_session::Session; use rustc_span::source_map::SourceMap; use rustc_span::symbol::{sym, Symbol}; use rustc_span::{BytePos, FileName, InnerSpan, Pos, Span}; -use rustc_target::spec::{MergeFunctions, PanicStrategy}; +use rustc_target::spec::{MergeFunctions, PanicStrategy, SanitizerSet}; use std::any::Any; use std::fs; @@ -106,7 +107,7 @@ pub struct ModuleConfig { pub vectorize_loop: bool, pub vectorize_slp: bool, pub merge_functions: bool, - pub inline_threshold: Option, + pub inline_threshold: Option, pub new_llvm_pass_manager: bool, pub emit_lifetime_markers: bool, } @@ -1958,7 +1959,7 @@ pub fn submit_pre_lto_module_to_llvm( .unwrap_or_else(|e| panic!("failed to open bitcode file `{}`: {}", bc_path.display(), e)); let mmap = unsafe { - memmap2::Mmap::map(&file).unwrap_or_else(|e| { + Mmap::map(file).unwrap_or_else(|e| { panic!("failed to mmap bitcode file `{}`: {}", bc_path.display(), e) }) }; diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index 08e31c3b37f3..318eed76acf2 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -754,7 +754,6 @@ impl CrateInfo { is_no_builtins: Default::default(), native_libraries: Default::default(), used_libraries: tcx.native_libraries(LOCAL_CRATE).iter().map(Into::into).collect(), - link_args: tcx.link_args(LOCAL_CRATE), crate_name: Default::default(), used_crates_dynamic: cstore::used_crates(tcx, LinkagePreference::RequireDynamic), used_crates_static: cstore::used_crates(tcx, LinkagePreference::RequireStatic), diff --git a/compiler/rustc_codegen_ssa/src/coverageinfo/ffi.rs b/compiler/rustc_codegen_ssa/src/coverageinfo/ffi.rs index af6c476292bd..962c01c2ee7a 100644 --- a/compiler/rustc_codegen_ssa/src/coverageinfo/ffi.rs +++ b/compiler/rustc_codegen_ssa/src/coverageinfo/ffi.rs @@ -24,21 +24,39 @@ pub enum CounterKind { pub struct Counter { // Important: The layout (order and types of fields) must match its C++ counterpart. pub kind: CounterKind, - pub id: u32, + id: u32, } impl Counter { + /// Constructs a new `Counter` of kind `Zero`. For this `CounterKind`, the + /// `id` is not used. pub fn zero() -> Self { Self { kind: CounterKind::Zero, id: 0 } } + /// Constructs a new `Counter` of kind `CounterValueReference`, and converts + /// the given 1-based counter_id to the required 0-based equivalent for + /// the `Counter` encoding. pub fn counter_value_reference(counter_id: CounterValueReference) -> Self { - Self { kind: CounterKind::CounterValueReference, id: counter_id.into() } + Self { kind: CounterKind::CounterValueReference, id: counter_id.zero_based_index() } } + /// Constructs a new `Counter` of kind `Expression`. pub fn expression(mapped_expression_index: MappedExpressionIndex) -> Self { Self { kind: CounterKind::Expression, id: mapped_expression_index.into() } } + + /// Returns true if the `Counter` kind is `Zero`. + pub fn is_zero(&self) -> bool { + matches!(self.kind, CounterKind::Zero) + } + + /// An explicitly-named function to get the ID value, making it more obvious + /// that the stored value is now 0-based. + pub fn zero_based_id(&self) -> u32 { + debug_assert!(!self.is_zero(), "`id` is undefined for CounterKind::Zero"); + self.id + } } /// Aligns with [llvm::coverage::CounterExpression::ExprKind](https://github.com/rust-lang/llvm-project/blob/rustc/11.0-2020-10-12/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h#L147) diff --git a/compiler/rustc_codegen_ssa/src/coverageinfo/map.rs b/compiler/rustc_codegen_ssa/src/coverageinfo/map.rs index 7a17bced1c0b..4458fd686788 100644 --- a/compiler/rustc_codegen_ssa/src/coverageinfo/map.rs +++ b/compiler/rustc_codegen_ssa/src/coverageinfo/map.rs @@ -163,9 +163,7 @@ impl<'tcx> FunctionCoverage<'tcx> { self.counters.iter_enumerated().filter_map(|(index, entry)| { // Option::map() will return None to filter out missing counters. This may happen // if, for example, a MIR-instrumented counter is removed during an optimization. - entry.as_ref().map(|region| { - (Counter::counter_value_reference(index as CounterValueReference), region) - }) + entry.as_ref().map(|region| (Counter::counter_value_reference(index), region)) }) } @@ -206,9 +204,15 @@ impl<'tcx> FunctionCoverage<'tcx> { if id == ExpressionOperandId::ZERO { Some(Counter::zero()) } else if id.index() < self.counters.len() { + debug_assert!( + id.index() > 0, + "ExpressionOperandId indexes for counters are 1-based, but this id={}", + id.index() + ); // Note: Some codegen-injected Counters may be only referenced by `Expression`s, // and may not have their own `CodeRegion`s, let index = CounterValueReference::from(id.index()); + // Note, the conversion to LLVM `Counter` adjusts the index to be zero-based. Some(Counter::counter_value_reference(index)) } else { let index = self.expression_index(u32::from(id)); @@ -233,19 +237,60 @@ impl<'tcx> FunctionCoverage<'tcx> { let optional_region = &expression.region; let Expression { lhs, op, rhs, .. } = *expression; - if let Some(Some((lhs_counter, rhs_counter))) = - id_to_counter(&new_indexes, lhs).map(|lhs_counter| { + if let Some(Some((lhs_counter, mut rhs_counter))) = id_to_counter(&new_indexes, lhs) + .map(|lhs_counter| { id_to_counter(&new_indexes, rhs).map(|rhs_counter| (lhs_counter, rhs_counter)) }) { + if lhs_counter.is_zero() && op.is_subtract() { + // The left side of a subtraction was probably optimized out. As an example, + // a branch condition might be evaluated as a constant expression, and the + // branch could be removed, dropping unused counters in the process. + // + // Since counters are unsigned, we must assume the result of the expression + // can be no more and no less than zero. An expression known to evaluate to zero + // does not need to be added to the coverage map. + // + // Coverage test `loops_branches.rs` includes multiple variations of branches + // based on constant conditional (literal `true` or `false`), and demonstrates + // that the expected counts are still correct. + debug!( + "Expression subtracts from zero (assume unreachable): \ + original_index={:?}, lhs={:?}, op={:?}, rhs={:?}, region={:?}", + original_index, lhs, op, rhs, optional_region, + ); + rhs_counter = Counter::zero(); + } debug_assert!( - (lhs_counter.id as usize) - < usize::max(self.counters.len(), self.expressions.len()) + lhs_counter.is_zero() + // Note: with `as usize` the ID _could_ overflow/wrap if `usize = u16` + || ((lhs_counter.zero_based_id() as usize) + <= usize::max(self.counters.len(), self.expressions.len())), + "lhs id={} > both counters.len()={} and expressions.len()={} + ({:?} {:?} {:?})", + lhs_counter.zero_based_id(), + self.counters.len(), + self.expressions.len(), + lhs_counter, + op, + rhs_counter, ); + debug_assert!( - (rhs_counter.id as usize) - < usize::max(self.counters.len(), self.expressions.len()) + rhs_counter.is_zero() + // Note: with `as usize` the ID _could_ overflow/wrap if `usize = u16` + || ((rhs_counter.zero_based_id() as usize) + <= usize::max(self.counters.len(), self.expressions.len())), + "rhs id={} > both counters.len()={} and expressions.len()={} + ({:?} {:?} {:?})", + rhs_counter.zero_based_id(), + self.counters.len(), + self.expressions.len(), + lhs_counter, + op, + rhs_counter, ); + // Both operands exist. `Expression` operands exist in `self.expressions` and have // been assigned a `new_index`. let mapped_expression_index = @@ -268,11 +313,15 @@ impl<'tcx> FunctionCoverage<'tcx> { expression_regions.push((Counter::expression(mapped_expression_index), region)); } } else { - debug!( - "Ignoring expression with one or more missing operands: \ - original_index={:?}, lhs={:?}, op={:?}, rhs={:?}, region={:?}", - original_index, lhs, op, rhs, optional_region, - ) + bug!( + "expression has one or more missing operands \ + original_index={:?}, lhs={:?}, op={:?}, rhs={:?}, region={:?}", + original_index, + lhs, + op, + rhs, + optional_region, + ); } } (counter_expressions, expression_regions.into_iter()) diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs index 56b4ef793831..f0f45b067b35 100644 --- a/compiler/rustc_codegen_ssa/src/lib.rs +++ b/compiler/rustc_codegen_ssa/src/lib.rs @@ -139,7 +139,6 @@ pub struct CrateInfo { pub native_libraries: FxHashMap>, pub crate_name: FxHashMap, pub used_libraries: Vec, - pub link_args: Lrc>, pub used_crate_source: FxHashMap>, pub used_crates_static: Vec<(CrateNum, LibSource)>, pub used_crates_dynamic: Vec<(CrateNum, LibSource)>, diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index 04225ddd36ff..fd3f89a2aee9 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -822,41 +822,37 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { InlineAsmOperandRef::InOut { reg, late, in_value, out_place } } mir::InlineAsmOperand::Const { ref value } => { - if let mir::Operand::Constant(constant) = value { - let const_value = self - .eval_mir_constant(constant) - .unwrap_or_else(|_| span_bug!(span, "asm const cannot be resolved")); - let ty = constant.ty(); - let size = bx.layout_of(ty).size; - let scalar = match const_value { - ConstValue::Scalar(s) => s, - _ => span_bug!( - span, - "expected Scalar for promoted asm const, but got {:#?}", - const_value - ), - }; - let value = scalar.assert_bits(size); - let string = match ty.kind() { - ty::Uint(_) => value.to_string(), - ty::Int(int_ty) => { - match int_ty.normalize(bx.tcx().sess.target.pointer_width) { - ty::IntTy::I8 => (value as i8).to_string(), - ty::IntTy::I16 => (value as i16).to_string(), - ty::IntTy::I32 => (value as i32).to_string(), - ty::IntTy::I64 => (value as i64).to_string(), - ty::IntTy::I128 => (value as i128).to_string(), - ty::IntTy::Isize => unreachable!(), - } + let const_value = self + .eval_mir_constant(value) + .unwrap_or_else(|_| span_bug!(span, "asm const cannot be resolved")); + let ty = value.ty(); + let size = bx.layout_of(ty).size; + let scalar = match const_value { + ConstValue::Scalar(s) => s, + _ => span_bug!( + span, + "expected Scalar for promoted asm const, but got {:#?}", + const_value + ), + }; + let value = scalar.assert_bits(size); + let string = match ty.kind() { + ty::Uint(_) => value.to_string(), + ty::Int(int_ty) => { + match int_ty.normalize(bx.tcx().sess.target.pointer_width) { + ty::IntTy::I8 => (value as i8).to_string(), + ty::IntTy::I16 => (value as i16).to_string(), + ty::IntTy::I32 => (value as i32).to_string(), + ty::IntTy::I64 => (value as i64).to_string(), + ty::IntTy::I128 => (value as i128).to_string(), + ty::IntTy::Isize => unreachable!(), } - ty::Float(ty::FloatTy::F32) => f32::from_bits(value as u32).to_string(), - ty::Float(ty::FloatTy::F64) => f64::from_bits(value as u64).to_string(), - _ => span_bug!(span, "asm const has bad type {}", ty), - }; - InlineAsmOperandRef::Const { string } - } else { - span_bug!(span, "asm const is not a constant"); - } + } + ty::Float(ty::FloatTy::F32) => f32::from_bits(value as u32).to_string(), + ty::Float(ty::FloatTy::F64) => f64::from_bits(value as u64).to_string(), + _ => span_bug!(span, "asm const has bad type {}", ty), + }; + InlineAsmOperandRef::Const { string } } mir::InlineAsmOperand::SymFn { ref value } => { let literal = self.monomorphize(value.literal); diff --git a/compiler/rustc_codegen_ssa/src/mir/coverageinfo.rs b/compiler/rustc_codegen_ssa/src/mir/coverageinfo.rs index e2f75b2e337c..621ec0519c95 100644 --- a/compiler/rustc_codegen_ssa/src/mir/coverageinfo.rs +++ b/compiler/rustc_codegen_ssa/src/mir/coverageinfo.rs @@ -36,7 +36,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let fn_name = bx.get_pgo_func_name_var(instance); let hash = bx.const_u64(function_source_hash); let num_counters = bx.const_u32(coverageinfo.num_counters); - let index = bx.const_u32(u32::from(id)); + let index = bx.const_u32(id.zero_based_index()); debug!( "codegen intrinsic instrprof.increment(fn_name={:?}, hash={:?}, num_counters={:?}, index={:?})", fn_name, hash, num_counters, index, diff --git a/compiler/rustc_codegen_ssa/src/target_features.rs b/compiler/rustc_codegen_ssa/src/target_features.rs index fd18f42f2dd4..4e987908b4ea 100644 --- a/compiler/rustc_codegen_ssa/src/target_features.rs +++ b/compiler/rustc_codegen_ssa/src/target_features.rs @@ -26,6 +26,7 @@ const ARM_ALLOWED_FEATURES: &[(&str, Option)] = &[ ("vfp2", Some(sym::arm_target_feature)), ("vfp3", Some(sym::arm_target_feature)), ("vfp4", Some(sym::arm_target_feature)), + ("fp-armv8", Some(sym::arm_target_feature)), // This is needed for inline assembly, but shouldn't be stabilized as-is // since it should be enabled per-function using #[instruction_set], not // #[target_feature]. @@ -160,7 +161,7 @@ pub fn supported_target_features(sess: &Session) -> &'static [(&'static str, Opt "mips" | "mips64" => MIPS_ALLOWED_FEATURES, "powerpc" | "powerpc64" => POWERPC_ALLOWED_FEATURES, "riscv32" | "riscv64" => RISCV_ALLOWED_FEATURES, - "wasm32" => WASM_ALLOWED_FEATURES, + "wasm32" | "wasm64" => WASM_ALLOWED_FEATURES, _ => &[], } } diff --git a/compiler/rustc_codegen_ssa/src/traits/backend.rs b/compiler/rustc_codegen_ssa/src/traits/backend.rs index f28db2fe84b6..6508a5e13d48 100644 --- a/compiler/rustc_codegen_ssa/src/traits/backend.rs +++ b/compiler/rustc_codegen_ssa/src/traits/backend.rs @@ -82,7 +82,7 @@ pub trait CodegenBackend { &self, ongoing_codegen: Box, sess: &Session, - ) -> Result<(CodegenResults, FxHashMap), ErrorReported>; + ) -> Result<(Box, FxHashMap), ErrorReported>; /// This is called on the returned `Box` from `join_codegen` /// @@ -92,7 +92,7 @@ pub trait CodegenBackend { fn link( &self, sess: &Session, - codegen_results: CodegenResults, + codegen_results: Box, outputs: &OutputFilenames, ) -> Result<(), ErrorReported>; } diff --git a/compiler/rustc_data_structures/Cargo.toml b/compiler/rustc_data_structures/Cargo.toml index 2e5a86b14c93..d32598e716e1 100644 --- a/compiler/rustc_data_structures/Cargo.toml +++ b/compiler/rustc_data_structures/Cargo.toml @@ -36,3 +36,6 @@ features = ["nightly"] [target.'cfg(windows)'.dependencies] winapi = { version = "0.3", features = ["fileapi", "psapi"] } + +[target.'cfg(not(target_arch = "wasm32"))'.dependencies] +memmap2 = "0.2.1" diff --git a/compiler/rustc_data_structures/src/lib.rs b/compiler/rustc_data_structures/src/lib.rs index 123618a440de..adbb98fa7504 100644 --- a/compiler/rustc_data_structures/src/lib.rs +++ b/compiler/rustc_data_structures/src/lib.rs @@ -84,6 +84,7 @@ pub mod snapshot_map; pub mod stable_map; pub mod svh; pub use ena::snapshot_vec; +pub mod memmap; pub mod sorted_map; pub mod stable_set; #[macro_use] diff --git a/compiler/rustc_data_structures/src/memmap.rs b/compiler/rustc_data_structures/src/memmap.rs new file mode 100644 index 000000000000..26b26415eea0 --- /dev/null +++ b/compiler/rustc_data_structures/src/memmap.rs @@ -0,0 +1,47 @@ +use std::fs::File; +use std::io; +use std::ops::Deref; + +use crate::owning_ref::StableAddress; + +/// A trivial wrapper for [`memmap2::Mmap`] that implements [`StableAddress`]. +#[cfg(not(target_arch = "wasm32"))] +pub struct Mmap(memmap2::Mmap); + +#[cfg(target_arch = "wasm32")] +pub struct Mmap(Vec); + +#[cfg(not(target_arch = "wasm32"))] +impl Mmap { + #[inline] + pub unsafe fn map(file: File) -> io::Result { + memmap2::Mmap::map(&file).map(Mmap) + } +} + +#[cfg(target_arch = "wasm32")] +impl Mmap { + #[inline] + pub unsafe fn map(mut file: File) -> io::Result { + use std::io::Read; + + let mut data = Vec::new(); + file.read_to_end(&mut data)?; + Ok(Mmap(data)) + } +} + +impl Deref for Mmap { + type Target = [u8]; + + #[inline] + fn deref(&self) -> &[u8] { + &*self.0 + } +} + +// SAFETY: On architectures other than WASM, mmap is used as backing storage. The address of this +// memory map is stable. On WASM, `Vec` is used as backing storage. The `Mmap` type doesn't +// export any function that can cause the `Vec` to be re-allocated. As such the address of the +// bytes inside this `Vec` is stable. +unsafe impl StableAddress for Mmap {} diff --git a/compiler/rustc_data_structures/src/tagged_ptr/drop.rs b/compiler/rustc_data_structures/src/tagged_ptr/drop.rs index 63f64beae5a0..d44ccd368b3c 100644 --- a/compiler/rustc_data_structures/src/tagged_ptr/drop.rs +++ b/compiler/rustc_data_structures/src/tagged_ptr/drop.rs @@ -42,18 +42,9 @@ where pub fn pointer_ref(&self) -> &P::Target { self.raw.pointer_ref() } - pub fn pointer_mut(&mut self) -> &mut P::Target - where - P: std::ops::DerefMut, - { - self.raw.pointer_mut() - } pub fn tag(&self) -> T { self.raw.tag() } - pub fn set_tag(&mut self, tag: T) { - self.raw.set_tag(tag); - } } impl std::ops::Deref for TaggedPtr diff --git a/compiler/rustc_data_structures/src/thin_vec.rs b/compiler/rustc_data_structures/src/thin_vec.rs index 4d673fd5cf98..00e304734983 100644 --- a/compiler/rustc_data_structures/src/thin_vec.rs +++ b/compiler/rustc_data_structures/src/thin_vec.rs @@ -1,5 +1,7 @@ use crate::stable_hasher::{HashStable, StableHasher}; +use std::iter::FromIterator; + /// A vector type optimized for cases where this size is usually 0 (cf. `SmallVector`). /// The `Option>` wrapping allows us to represent a zero sized vector with `None`, /// which uses only a single (null) pointer. @@ -10,6 +12,14 @@ impl ThinVec { pub fn new() -> Self { ThinVec(None) } + + pub fn iter(&self) -> std::slice::Iter<'_, T> { + self.into_iter() + } + + pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> { + self.into_iter() + } } impl From> for ThinVec { @@ -46,6 +56,42 @@ impl ::std::ops::DerefMut for ThinVec { } } +impl FromIterator for ThinVec { + fn from_iter>(iter: I) -> Self { + // `Vec::from_iter()` should not allocate if the iterator is empty. + let vec: Vec<_> = iter.into_iter().collect(); + if vec.is_empty() { ThinVec(None) } else { ThinVec(Some(Box::new(vec))) } + } +} + +impl IntoIterator for ThinVec { + type Item = T; + type IntoIter = std::vec::IntoIter; + + fn into_iter(self) -> Self::IntoIter { + // This is still performant because `Vec::new()` does not allocate. + self.0.map_or_else(Vec::new, |ptr| *ptr).into_iter() + } +} + +impl<'a, T> IntoIterator for &'a ThinVec { + type Item = &'a T; + type IntoIter = std::slice::Iter<'a, T>; + + fn into_iter(self) -> Self::IntoIter { + self.as_ref().iter() + } +} + +impl<'a, T> IntoIterator for &'a mut ThinVec { + type Item = &'a mut T; + type IntoIter = std::slice::IterMut<'a, T>; + + fn into_iter(self) -> Self::IntoIter { + self.as_mut().iter_mut() + } +} + impl Extend for ThinVec { fn extend>(&mut self, iter: I) { match *self { @@ -80,3 +126,6 @@ impl Default for ThinVec { Self(None) } } + +#[cfg(test)] +mod tests; diff --git a/compiler/rustc_data_structures/src/thin_vec/tests.rs b/compiler/rustc_data_structures/src/thin_vec/tests.rs new file mode 100644 index 000000000000..5abfd939373c --- /dev/null +++ b/compiler/rustc_data_structures/src/thin_vec/tests.rs @@ -0,0 +1,42 @@ +use super::*; + +impl ThinVec { + fn into_vec(self) -> Vec { + self.into() + } +} + +#[test] +fn test_from_iterator() { + assert_eq!(std::iter::empty().collect::>().into_vec(), Vec::::new()); + assert_eq!(std::iter::once(42).collect::>().into_vec(), vec![42]); + assert_eq!(vec![1, 2].into_iter().collect::>().into_vec(), vec![1, 2]); + assert_eq!(vec![1, 2, 3].into_iter().collect::>().into_vec(), vec![1, 2, 3]); +} + +#[test] +fn test_into_iterator_owned() { + assert_eq!(ThinVec::new().into_iter().collect::>(), Vec::::new()); + assert_eq!(ThinVec::from(vec![1]).into_iter().collect::>(), vec![1]); + assert_eq!(ThinVec::from(vec![1, 2]).into_iter().collect::>(), vec![1, 2]); + assert_eq!(ThinVec::from(vec![1, 2, 3]).into_iter().collect::>(), vec![1, 2, 3]); +} + +#[test] +fn test_into_iterator_ref() { + assert_eq!(ThinVec::new().iter().collect::>(), Vec::<&String>::new()); + assert_eq!(ThinVec::from(vec![1]).iter().collect::>(), vec![&1]); + assert_eq!(ThinVec::from(vec![1, 2]).iter().collect::>(), vec![&1, &2]); + assert_eq!(ThinVec::from(vec![1, 2, 3]).iter().collect::>(), vec![&1, &2, &3]); +} + +#[test] +fn test_into_iterator_ref_mut() { + assert_eq!(ThinVec::new().iter_mut().collect::>(), Vec::<&mut String>::new()); + assert_eq!(ThinVec::from(vec![1]).iter_mut().collect::>(), vec![&mut 1]); + assert_eq!(ThinVec::from(vec![1, 2]).iter_mut().collect::>(), vec![&mut 1, &mut 2]); + assert_eq!( + ThinVec::from(vec![1, 2, 3]).iter_mut().collect::>(), + vec![&mut 1, &mut 2, &mut 3], + ); +} diff --git a/compiler/rustc_data_structures/src/work_queue.rs b/compiler/rustc_data_structures/src/work_queue.rs index cc562bc1e4d9..10317f1afff6 100644 --- a/compiler/rustc_data_structures/src/work_queue.rs +++ b/compiler/rustc_data_structures/src/work_queue.rs @@ -41,10 +41,4 @@ impl WorkQueue { None } } - - /// Returns `true` if nothing is enqueued. - #[inline] - pub fn is_empty(&self) -> bool { - self.deque.is_empty() - } } diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs index e527d55fc2a4..1dc506fd22c6 100644 --- a/compiler/rustc_driver/src/lib.rs +++ b/compiler/rustc_driver/src/lib.rs @@ -146,6 +146,7 @@ impl<'a, 'b> RunCompiler<'a, 'b> { pub fn new(at_args: &'a [String], callbacks: &'b mut (dyn Callbacks + Send)) -> Self { Self { at_args, callbacks, file_loader: None, emitter: None, make_codegen_backend: None } } + /// Used by cg_clif. pub fn set_make_codegen_backend( &mut self, make_codegen_backend: Option< @@ -155,10 +156,12 @@ impl<'a, 'b> RunCompiler<'a, 'b> { self.make_codegen_backend = make_codegen_backend; self } + /// Used by RLS. pub fn set_emitter(&mut self, emitter: Option>) -> &mut Self { self.emitter = emitter; self } + /// Used by RLS. pub fn set_file_loader( &mut self, file_loader: Option>, @@ -628,7 +631,7 @@ impl RustcDefaultCalls { let codegen_results: CodegenResults = json::decode(&rlink_data).unwrap_or_else(|err| { sess.fatal(&format!("failed to decode rlink: {}", err)); }); - compiler.codegen_backend().link(&sess, codegen_results, &outputs) + compiler.codegen_backend().link(&sess, Box::new(codegen_results), &outputs) } else { sess.fatal("rlink must be a file") } @@ -792,7 +795,7 @@ pub fn version(binary: &str, matches: &getopts::Matches) { println!("host: {}", config::host_triple()); println!("release: {}", unw(util::release_str())); if cfg!(feature = "llvm") { - get_builtin_codegen_backend("llvm")().print_version(); + get_builtin_codegen_backend(&None, "llvm")().print_version(); } } } @@ -842,7 +845,8 @@ the command line flag directly. ); } -fn describe_lints(sess: &Session, lint_store: &LintStore, loaded_plugins: bool) { +/// Write to stdout lint command options, together with a list of all available lints +pub fn describe_lints(sess: &Session, lint_store: &LintStore, loaded_plugins: bool) { println!( " Available lint options: @@ -1086,7 +1090,7 @@ pub fn handle_options(args: &[String]) -> Option { if cg_flags.iter().any(|x| *x == "passes=list") { if cfg!(feature = "llvm") { - get_builtin_codegen_backend("llvm")().print_passes(); + get_builtin_codegen_backend(&None, "llvm")().print_passes(); } return None; } diff --git a/compiler/rustc_driver/src/pretty.rs b/compiler/rustc_driver/src/pretty.rs index 1544c9758387..e0c140b143be 100644 --- a/compiler/rustc_driver/src/pretty.rs +++ b/compiler/rustc_driver/src/pretty.rs @@ -108,13 +108,6 @@ trait HirPrinterSupport<'hir>: pprust_hir::PpAnn { /// (Rust does not yet support upcasting from a trait object to /// an object for one of its super-traits.) fn pp_ann(&self) -> &dyn pprust_hir::PpAnn; - - /// Computes an user-readable representation of a path, if possible. - fn node_path(&self, id: hir::HirId) -> Option { - self.hir_map().and_then(|map| map.def_path_from_hir_id(id)).map(|path| { - path.data.into_iter().map(|elem| elem.data.to_string()).collect::>().join("::") - }) - } } struct NoAnn<'hir> { @@ -327,10 +320,6 @@ impl<'tcx> HirPrinterSupport<'tcx> for TypedAnnotation<'tcx> { fn pp_ann(&self) -> &dyn pprust_hir::PpAnn { self } - - fn node_path(&self, id: hir::HirId) -> Option { - Some(self.tcx.def_path_str(self.tcx.hir().local_def_id(id).to_def_id())) - } } impl<'tcx> pprust_hir::PpAnn for TypedAnnotation<'tcx> { diff --git a/compiler/rustc_error_codes/src/lib.rs b/compiler/rustc_error_codes/src/lib.rs index 14ddb3e20793..f2432f616535 100644 --- a/compiler/rustc_error_codes/src/lib.rs +++ b/compiler/rustc_error_codes/src/lib.rs @@ -1,5 +1,4 @@ -#![cfg_attr(bootstrap, deny(invalid_codeblock_attributes))] -#![cfg_attr(not(bootstrap), deny(rustdoc::invalid_codeblock_attributes))] +#![deny(rustdoc::invalid_codeblock_attributes)] //! This library is used to gather all error codes into one place, //! the goal being to make their maintenance easier. diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs index ce5b130dd97f..b2f6a0c10142 100644 --- a/compiler/rustc_errors/src/diagnostic.rs +++ b/compiler/rustc_errors/src/diagnostic.rs @@ -69,10 +69,6 @@ impl DiagnosticStyledString { pub fn highlighted>(t: S) -> DiagnosticStyledString { DiagnosticStyledString(vec![StringPart::Highlighted(t.into())]) } - - pub fn content(&self) -> String { - self.0.iter().map(|x| x.content()).collect::() - } } #[derive(Debug, PartialEq, Eq)] @@ -81,14 +77,6 @@ pub enum StringPart { Highlighted(String), } -impl StringPart { - pub fn content(&self) -> &str { - match self { - &StringPart::Normal(ref s) | &StringPart::Highlighted(ref s) => s, - } - } -} - impl Diagnostic { pub fn new(level: Level, message: &str) -> Self { Diagnostic::new_with_code(level, None, message) @@ -156,7 +144,7 @@ impl Diagnostic { self } - pub fn note_expected_found( + crate fn note_expected_found( &mut self, expected_label: &dyn fmt::Display, expected: DiagnosticStyledString, @@ -166,7 +154,7 @@ impl Diagnostic { self.note_expected_found_extra(expected_label, expected, found_label, found, &"", &"") } - pub fn note_unsuccessful_coercion( + crate fn note_unsuccessful_coercion( &mut self, expected: DiagnosticStyledString, found: DiagnosticStyledString, @@ -256,33 +244,33 @@ impl Diagnostic { /// Prints the span with a note above it. /// This is like [`Diagnostic::note()`], but it gets its own span. - pub fn span_note>(&mut self, sp: S, msg: &str) -> &mut Self { + crate fn span_note>(&mut self, sp: S, msg: &str) -> &mut Self { self.sub(Level::Note, msg, sp.into(), None); self } /// Add a warning attached to this diagnostic. - pub fn warn(&mut self, msg: &str) -> &mut Self { + crate fn warn(&mut self, msg: &str) -> &mut Self { self.sub(Level::Warning, msg, MultiSpan::new(), None); self } /// Prints the span with a warning above it. /// This is like [`Diagnostic::warn()`], but it gets its own span. - pub fn span_warn>(&mut self, sp: S, msg: &str) -> &mut Self { + crate fn span_warn>(&mut self, sp: S, msg: &str) -> &mut Self { self.sub(Level::Warning, msg, sp.into(), None); self } /// Add a help message attached to this diagnostic. - pub fn help(&mut self, msg: &str) -> &mut Self { + crate fn help(&mut self, msg: &str) -> &mut Self { self.sub(Level::Help, msg, MultiSpan::new(), None); self } /// Prints the span with some help above it. /// This is like [`Diagnostic::help()`], but it gets its own span. - pub fn span_help>(&mut self, sp: S, msg: &str) -> &mut Self { + crate fn span_help>(&mut self, sp: S, msg: &str) -> &mut Self { self.sub(Level::Help, msg, sp.into(), None); self } @@ -311,36 +299,6 @@ impl Diagnostic { self } - /// Show multiple suggestions that have multiple parts. - /// See also [`Diagnostic::multipart_suggestion()`]. - pub fn multipart_suggestions( - &mut self, - msg: &str, - suggestions: Vec>, - applicability: Applicability, - ) -> &mut Self { - assert!(!suggestions.is_empty()); - for s in &suggestions { - assert!(!s.is_empty()); - } - self.suggestions.push(CodeSuggestion { - substitutions: suggestions - .into_iter() - .map(|suggestion| Substitution { - parts: suggestion - .into_iter() - .map(|(span, snippet)| SubstitutionPart { snippet, span }) - .collect(), - }) - .collect(), - msg: msg.to_owned(), - style: SuggestionStyle::ShowCode, - applicability, - tool_metadata: Default::default(), - }); - self - } - /// Prints out a message with for a multipart suggestion without showing the suggested code. /// /// This is intended to be used for suggestions that are obvious in what the changes need to @@ -567,7 +525,7 @@ impl Diagnostic { self.code.clone() } - pub fn set_primary_message>(&mut self, msg: M) -> &mut Self { + crate fn set_primary_message>(&mut self, msg: M) -> &mut Self { self.message[0] = (msg.into(), Style::NoStyle); self } @@ -582,6 +540,8 @@ impl Diagnostic { /// Convenience function for internal use, clients should use one of the /// public methods above. + /// + /// Used by `proc_macro_server` for implementing `server::Diagnostic`. pub fn sub( &mut self, level: Level, diff --git a/compiler/rustc_errors/src/diagnostic_builder.rs b/compiler/rustc_errors/src/diagnostic_builder.rs index 79507e615221..282877d5dd10 100644 --- a/compiler/rustc_errors/src/diagnostic_builder.rs +++ b/compiler/rustc_errors/src/diagnostic_builder.rs @@ -157,19 +157,6 @@ impl<'a> DiagnosticBuilder<'a> { buffered_diagnostics.extend(self.into_diagnostic().map(|(diag, _)| diag)); } - /// Convenience function for internal use, clients should use one of the - /// span_* methods instead. - pub fn sub>( - &mut self, - level: Level, - message: &str, - span: Option, - ) -> &mut Self { - let span = span.map(|s| s.into()).unwrap_or_else(MultiSpan::new); - self.0.diagnostic.sub(level, message, span, None); - self - } - /// Delay emission of this diagnostic as a bug. /// /// This can be useful in contexts where an error indicates a bug but @@ -270,20 +257,6 @@ impl<'a> DiagnosticBuilder<'a> { self } - /// See [`Diagnostic::multipart_suggestions()`]. - pub fn multipart_suggestions( - &mut self, - msg: &str, - suggestions: Vec>, - applicability: Applicability, - ) -> &mut Self { - if !self.0.allow_suggestions { - return self; - } - self.0.diagnostic.multipart_suggestions(msg, suggestions, applicability); - self - } - /// See [`Diagnostic::tool_only_multipart_suggestion()`]. pub fn tool_only_multipart_suggestion( &mut self, diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs index 633c64af3c59..a58caf2667b0 100644 --- a/compiler/rustc_errors/src/emitter.rs +++ b/compiler/rustc_errors/src/emitter.rs @@ -195,6 +195,9 @@ pub trait Emitter { fn emit_future_breakage_report(&mut self, _diags: Vec<(FutureBreakage, Diagnostic)>) {} + /// Emit list of unused externs + fn emit_unused_externs(&mut self, _lint_level: &str, _unused_externs: &[&str]) {} + /// Checks if should show explanations about "rustc --explain" fn should_show_explain(&self) -> bool { true @@ -1258,7 +1261,7 @@ impl EmitterWriter { buffer.append(0, ": ", header_style); } for &(ref text, _) in msg.iter() { - buffer.append(0, text, header_style); + buffer.append(0, &replace_tabs(text), header_style); } } diff --git a/compiler/rustc_errors/src/json.rs b/compiler/rustc_errors/src/json.rs index 2bce1ac3c0a2..40277006462d 100644 --- a/compiler/rustc_errors/src/json.rs +++ b/compiler/rustc_errors/src/json.rs @@ -159,6 +159,19 @@ impl Emitter for JsonEmitter { } } + fn emit_unused_externs(&mut self, lint_level: &str, unused_externs: &[&str]) { + let data = UnusedExterns { lint_level, unused_extern_names: unused_externs }; + let result = if self.pretty { + writeln!(&mut self.dst, "{}", as_pretty_json(&data)) + } else { + writeln!(&mut self.dst, "{}", as_json(&data)) + } + .and_then(|_| self.dst.flush()); + if let Err(e) = result { + panic!("failed to print unused externs: {:?}", e); + } + } + fn source_map(&self) -> Option<&Lrc> { Some(&self.sm) } @@ -322,6 +335,18 @@ struct FutureIncompatReport { future_incompat_report: Vec, } +// NOTE: Keep this in sync with the equivalent structs in rustdoc's +// doctest component (as well as cargo). +// We could unify this struct the one in rustdoc but they have different +// ownership semantics, so doing so would create wasteful allocations. +#[derive(Encodable)] +struct UnusedExterns<'a, 'b, 'c> { + /// The severity level of the unused dependencies lint + lint_level: &'a str, + /// List of unused externs by their names. + unused_extern_names: &'b [&'c str], +} + impl Diagnostic { fn from_errors_diagnostic(diag: &crate::Diagnostic, je: &JsonEmitter) -> Diagnostic { let sugg = diag.suggestions.iter().map(|sugg| Diagnostic { diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs index 6f3ce20fc8ed..0d1f55a6b00e 100644 --- a/compiler/rustc_errors/src/lib.rs +++ b/compiler/rustc_errors/src/lib.rs @@ -691,10 +691,6 @@ impl Handler { db } - pub fn failure(&self, msg: &str) { - self.inner.borrow_mut().failure(msg); - } - pub fn fatal(&self, msg: &str) -> FatalError { self.inner.borrow_mut().fatal(msg) } @@ -769,6 +765,10 @@ impl Handler { self.inner.borrow_mut().emitter.emit_future_breakage_report(diags) } + pub fn emit_unused_externs(&self, lint_level: &str, unused_externs: &[&str]) { + self.inner.borrow_mut().emit_unused_externs(lint_level, unused_externs) + } + pub fn delay_as_bug(&self, diagnostic: Diagnostic) { self.inner.borrow_mut().delay_as_bug(diagnostic) } @@ -843,6 +843,10 @@ impl HandlerInner { self.emitter.emit_artifact_notification(path, artifact_type); } + fn emit_unused_externs(&mut self, lint_level: &str, unused_externs: &[&str]) { + self.emitter.emit_unused_externs(lint_level, unused_externs); + } + fn treat_err_as_bug(&self) -> bool { self.flags.treat_err_as_bug.map_or(false, |c| self.err_count() >= c.get()) } diff --git a/compiler/rustc_errors/src/registry.rs b/compiler/rustc_errors/src/registry.rs index b1d770d5bd52..da764d993bbd 100644 --- a/compiler/rustc_errors/src/registry.rs +++ b/compiler/rustc_errors/src/registry.rs @@ -13,10 +13,6 @@ impl Registry { Registry { long_descriptions: long_descriptions.iter().copied().collect() } } - /// This will panic if an invalid error code is passed in - pub fn find_description(&self, code: &str) -> Option<&'static str> { - self.long_descriptions[code] - } /// Returns `InvalidErrorCode` if the code requested does not exist in the /// registry. Otherwise, returns an `Option` where `None` means the error /// code is valid but has no extended information. diff --git a/compiler/rustc_errors/src/snippet.rs b/compiler/rustc_errors/src/snippet.rs index acb88e57db5e..3fe02bd0ceec 100644 --- a/compiler/rustc_errors/src/snippet.rs +++ b/compiler/rustc_errors/src/snippet.rs @@ -121,16 +121,6 @@ impl Annotation { matches!(self.annotation_type, AnnotationType::MultilineLine(_)) } - pub fn is_multiline(&self) -> bool { - matches!( - self.annotation_type, - AnnotationType::Multiline(_) - | AnnotationType::MultilineStart(_) - | AnnotationType::MultilineLine(_) - | AnnotationType::MultilineEnd(_) - ) - } - pub fn len(&self) -> usize { // Account for usize underflows if self.end_col > self.start_col { diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index 594b9a82ad06..a2035ee3c6ec 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -868,6 +868,8 @@ impl SyntaxExtension { /// Error type that denotes indeterminacy. pub struct Indeterminate; +pub type DeriveResolutions = Vec<(ast::Path, Option>)>; + pub trait ResolverExpand { fn next_node_id(&mut self) -> NodeId; @@ -904,15 +906,12 @@ pub trait ResolverExpand { fn resolve_derives( &mut self, expn_id: ExpnId, - derives: Vec, force: bool, + derive_paths: &dyn Fn() -> DeriveResolutions, ) -> Result<(), Indeterminate>; /// Take resolutions for paths inside the `#[derive(...)]` attribute with the given `ExpnId` /// back from resolver. - fn take_derive_resolutions( - &mut self, - expn_id: ExpnId, - ) -> Option, ast::Path)>>; + fn take_derive_resolutions(&mut self, expn_id: ExpnId) -> Option; /// Path resolution logic for `#[cfg_accessible(path)]`. fn cfg_accessible(&mut self, expn_id: ExpnId, path: &ast::Path) -> Result; } diff --git a/compiler/rustc_expand/src/build.rs b/compiler/rustc_expand/src/build.rs index 3664ff3ae8a2..cb8b9398283e 100644 --- a/compiler/rustc_expand/src/build.rs +++ b/compiler/rustc_expand/src/build.rs @@ -253,17 +253,6 @@ impl<'a> ExtCtxt<'a> { let pathexpr = self.expr_path(self.path_global(sp, fn_path)); self.expr_call(sp, pathexpr, args) } - pub fn expr_method_call( - &self, - span: Span, - expr: P, - ident: Ident, - mut args: Vec>, - ) -> P { - args.insert(0, expr); - let segment = ast::PathSegment::from_ident(ident.with_span_pos(span)); - self.expr(span, ast::ExprKind::MethodCall(segment, args, span)) - } pub fn expr_block(&self, b: P) -> P { self.expr(b.span, ast::ExprKind::Block(b, None)) } diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index 470788a972aa..0f4441d020be 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -515,7 +515,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> { invocations.reserve(derives.len()); derives .into_iter() - .map(|(_exts, path)| { + .map(|(path, _exts)| { // FIXME: Consider using the derive resolutions (`_exts`) // instead of enqueuing the derives to be resolved again later. let expn_id = ExpnId::fresh(None); @@ -735,7 +735,14 @@ impl<'a, 'b> MacroExpander<'a, 'b> { }); } }; - fragment_kind.expect_from_annotatables(items) + if fragment_kind == AstFragmentKind::Expr && items.is_empty() { + let msg = + "removing an expression is not supported in this position"; + self.cx.span_err(span, msg); + fragment_kind.dummy(span) + } else { + fragment_kind.expect_from_annotatables(items) + } } Err(mut err) => { err.emit(); @@ -1060,13 +1067,23 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { // since they will not be detected after macro expansion. fn check_attributes(&mut self, attrs: &[ast::Attribute]) { let features = self.cx.ecfg.features.unwrap(); - for attr in attrs.iter() { + let mut attrs = attrs.iter().peekable(); + let mut span: Option = None; + while let Some(attr) = attrs.next() { rustc_ast_passes::feature_gate::check_attribute(attr, self.cx.sess, features); validate_attr::check_meta(&self.cx.sess.parse_sess, attr); + + let current_span = if let Some(sp) = span { sp.to(attr.span) } else { attr.span }; + span = Some(current_span); + + if attrs.peek().map_or(false, |next_attr| next_attr.doc_str().is_some()) { + continue; + } + if attr.doc_str().is_some() { self.cx.sess.parse_sess.buffer_lint_with_diagnostic( &UNUSED_DOC_COMMENTS, - attr.span, + current_span, ast::CRATE_NODE_ID, "unused doc comment", BuiltinLintDiagnostics::UnusedDocComment(attr.span), diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index 9ed478e6fccc..bc45c57596e1 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -18,7 +18,8 @@ use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::sync::Lrc; use rustc_errors::{Applicability, DiagnosticBuilder}; use rustc_feature::Features; -use rustc_lint_defs::builtin::SEMICOLON_IN_EXPRESSIONS_FROM_MACROS; +use rustc_lint_defs::builtin::{OR_PATTERNS_BACK_COMPAT, SEMICOLON_IN_EXPRESSIONS_FROM_MACROS}; +use rustc_lint_defs::BuiltinLintDiagnostics; use rustc_parse::parser::Parser; use rustc_session::parse::ParseSess; use rustc_session::Session; @@ -951,8 +952,32 @@ fn check_matcher_core( // Now `last` holds the complete set of NT tokens that could // end the sequence before SUFFIX. Check that every one works with `suffix`. for token in &last.tokens { - if let TokenTree::MetaVarDecl(_, name, Some(kind)) = *token { + if let TokenTree::MetaVarDecl(span, name, Some(kind)) = *token { for next_token in &suffix_first.tokens { + // Check if the old pat is used and the next token is `|`. + if let NonterminalKind::Pat2015 { inferred: true } = kind { + if let TokenTree::Token(token) = next_token { + if let BinOp(token) = token.kind { + if let token::BinOpToken::Or = token { + // It is suggestion to use pat2015, for example: $x:pat -> $x:pat2015. + let suggestion = quoted_tt_to_string(&TokenTree::MetaVarDecl( + span, + name, + Some(NonterminalKind::Pat2015 { inferred: false }), + )); + sess.buffer_lint_with_diagnostic( + &OR_PATTERNS_BACK_COMPAT, + span, + ast::CRATE_NODE_ID, + &*format!("the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro",), + BuiltinLintDiagnostics::OrPatternsBackCompat( + span, suggestion, + ), + ); + } + } + } + } match is_in_follow(next_token, kind) { IsInFollow::Yes => {} IsInFollow::No(possible) => { @@ -1080,7 +1105,7 @@ fn is_in_follow(tok: &mbe::TokenTree, kind: NonterminalKind) -> IsInFollow { _ => IsInFollow::No(TOKENS), } } - NonterminalKind::Pat2015 { .. } | NonterminalKind::Pat2021 { .. } => { + NonterminalKind::Pat2015 { .. } => { const TOKENS: &[&str] = &["`=>`", "`,`", "`=`", "`|`", "`if`", "`in`"]; match tok { TokenTree::Token(token) => match token.kind { @@ -1091,6 +1116,17 @@ fn is_in_follow(tok: &mbe::TokenTree, kind: NonterminalKind) -> IsInFollow { _ => IsInFollow::No(TOKENS), } } + NonterminalKind::Pat2021 { .. } => { + const TOKENS: &[&str] = &["`=>`", "`,`", "`=`", "`if`", "`in`"]; + match tok { + TokenTree::Token(token) => match token.kind { + FatArrow | Comma | Eq => IsInFollow::Yes, + Ident(name, false) if name == kw::If || name == kw::In => IsInFollow::Yes, + _ => IsInFollow::No(TOKENS), + }, + _ => IsInFollow::No(TOKENS), + } + } NonterminalKind::Path | NonterminalKind::Ty => { const TOKENS: &[&str] = &[ "`{`", "`[`", "`=>`", "`,`", "`>`", "`=`", "`:`", "`;`", "`|`", "`as`", diff --git a/compiler/rustc_expand/src/tokenstream/tests.rs b/compiler/rustc_expand/src/tokenstream/tests.rs index 4e818e9feb08..8b546e7e4a34 100644 --- a/compiler/rustc_expand/src/tokenstream/tests.rs +++ b/compiler/rustc_expand/src/tokenstream/tests.rs @@ -1,7 +1,7 @@ use crate::tests::string_to_stream; use rustc_ast::token; -use rustc_ast::tokenstream::{TokenStream, TokenStreamBuilder, TokenTree}; +use rustc_ast::tokenstream::{Spacing, TokenStream, TokenStreamBuilder, TokenTree}; use rustc_span::with_default_session_globals; use rustc_span::{BytePos, Span, Symbol}; use smallvec::smallvec; @@ -14,6 +14,10 @@ fn sp(a: u32, b: u32) -> Span { Span::with_root_ctxt(BytePos(a), BytePos(b)) } +fn joint(tree: TokenTree) -> TokenStream { + TokenStream::new(vec![(tree, Spacing::Joint)]) +} + #[test] fn test_concat() { with_default_session_globals(|| { @@ -99,8 +103,8 @@ fn test_is_empty() { fn test_dotdotdot() { with_default_session_globals(|| { let mut builder = TokenStreamBuilder::new(); - builder.push(TokenTree::token(token::Dot, sp(0, 1)).joint()); - builder.push(TokenTree::token(token::Dot, sp(1, 2)).joint()); + builder.push(joint(TokenTree::token(token::Dot, sp(0, 1)))); + builder.push(joint(TokenTree::token(token::Dot, sp(1, 2)))); builder.push(TokenTree::token(token::Dot, sp(2, 3))); let stream = builder.build(); assert!(stream.eq_unspanned(&string_to_ts("..."))); diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs index ce9f711b27e5..f006351647e4 100644 --- a/compiler/rustc_feature/src/accepted.rs +++ b/compiler/rustc_feature/src/accepted.rs @@ -276,7 +276,7 @@ declare_features! ( /// The smallest useful subset of `const_generics`. (accepted, min_const_generics, "1.51.0", Some(74878), None), /// The `unsafe_op_in_unsafe_fn` lint (allowed by default): no longer treat an unsafe function as an unsafe block. - (accepted, unsafe_block_in_unsafe_fn, "1.51.0", Some(71668), None), + (accepted, unsafe_block_in_unsafe_fn, "1.52.0", Some(71668), None), /// Allows the use of or-patterns (e.g., `0 | 1`). (accepted, or_patterns, "1.53.0", Some(54883), None), diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs index fb08a7b8cea0..93de4891ec7d 100644 --- a/compiler/rustc_feature/src/active.rs +++ b/compiler/rustc_feature/src/active.rs @@ -216,6 +216,10 @@ declare_features! ( /// Renamed from `optin_builtin_traits`. (active, auto_traits, "1.50.0", Some(13231), None), + /// Allows `#[doc(notable_trait)]`. + /// Renamed from `doc_spotlight`. + (active, doc_notable_trait, "1.52.0", Some(45040), None), + // no-tracking-issue-end // ------------------------------------------------------------------------- @@ -254,9 +258,6 @@ declare_features! ( // feature-group-start: actual feature gates // ------------------------------------------------------------------------- - /// Allows using the `#[link_args]` attribute. - (active, link_args, "1.0.0", Some(29596), None), - /// Allows defining identifiers beyond ASCII. (active, non_ascii_idents, "1.0.0", Some(55467), None), @@ -374,9 +375,6 @@ declare_features! ( /// Allows `#[doc(masked)]`. (active, doc_masked, "1.21.0", Some(44027), None), - /// Allows `#[doc(spotlight)]`. - (active, doc_spotlight, "1.22.0", Some(45040), None), - /// Allows `#[doc(include = "some-file")]`. (active, external_doc, "1.22.0", Some(44732), None), @@ -644,6 +642,9 @@ declare_features! ( /// Allows `extern "C-unwind" fn` to enable unwinding across ABI boundaries. (active, c_unwind, "1.52.0", Some(74990), None), + /// Allows using `#[repr(align(...))]` on function items + (active, fn_align, "1.53.0", Some(82232), None), + // ------------------------------------------------------------------------- // feature-group-end: actual feature gates // ------------------------------------------------------------------------- diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 072062dd615d..7df9b3f0a796 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -279,11 +279,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ // Linking: gated!(naked, AssumedUsed, template!(Word), naked_functions, experimental!(naked)), - gated!( - link_args, Normal, template!(NameValueStr: "args"), - "the `link_args` attribute is experimental and not portable across platforms, \ - it is recommended to use `#[link(name = \"foo\")] instead", - ), gated!( link_ordinal, AssumedUsed, template!(List: "ordinal"), raw_dylib, experimental!(link_ordinal) diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs index aff66053c93b..e14915766166 100644 --- a/compiler/rustc_feature/src/removed.rs +++ b/compiler/rustc_feature/src/removed.rs @@ -80,6 +80,11 @@ declare_features! ( Some("subsumed by `#![feature(allocator_internals)]`")), /// Allows identifying crates that contain sanitizer runtimes. (removed, sanitizer_runtime, "1.17.0", None, None, None), + /// Allows `#[doc(spotlight)]`. + /// The attribute was renamed to `#[doc(notable_trait)]` + /// and the feature to `doc_notable_trait`. + (removed, doc_spotlight, "1.22.0", Some(45040), None, + Some("renamed to `doc_notable_trait`")), (removed, proc_macro_mod, "1.27.0", Some(54727), None, Some("subsumed by `#![feature(proc_macro_hygiene)]`")), (removed, proc_macro_expr, "1.27.0", Some(54727), None, @@ -123,6 +128,10 @@ declare_features! ( /// Allows comparing raw pointers during const eval. (removed, const_compare_raw_pointers, "1.46.0", Some(53020), None, Some("cannot be allowed in const eval in any meaningful way")), + /// Allows using the `#[link_args]` attribute. + (removed, link_args, "1.53.0", Some(29596), None, + Some("removed in favor of using `-C link-arg=ARG` on command line, \ + which is available from cargo build scripts with `cargo:rustc-link-arg` now")), // ------------------------------------------------------------------------- // feature-group-end: removed features diff --git a/compiler/rustc_graphviz/src/lib.rs b/compiler/rustc_graphviz/src/lib.rs index 9653ff022f19..db70beb59141 100644 --- a/compiler/rustc_graphviz/src/lib.rs +++ b/compiler/rustc_graphviz/src/lib.rs @@ -413,10 +413,6 @@ impl<'a> Id<'a> { pub fn as_slice(&'a self) -> &'a str { &*self.name } - - pub fn name(self) -> Cow<'a, str> { - self.name - } } /// Each instance of a type that implements `Label` maps to a @@ -484,10 +480,6 @@ impl<'a> LabelText<'a> { LabelStr(s.into()) } - pub fn escaped>>(s: S) -> LabelText<'a> { - EscStr(s.into()) - } - pub fn html>>(s: S) -> LabelText<'a> { HtmlStr(s.into()) } @@ -543,11 +535,6 @@ impl<'a> LabelText<'a> { } } - /// Puts `prefix` on a line above this label, with a blank line separator. - pub fn prefix_line(self, prefix: LabelText<'_>) -> LabelText<'static> { - prefix.suffix_line(self) - } - /// Puts `suffix` on a line below this label, with a blank line separator. pub fn suffix_line(self, suffix: LabelText<'_>) -> LabelText<'static> { let mut prefix = self.pre_escaped_content().into_owned(); @@ -602,11 +589,6 @@ pub enum RenderOption { DarkTheme, } -/// Returns vec holding all the default render options. -pub fn default_options() -> Vec { - vec![] -} - /// Renders directed graph `g` into the writer `w` in DOT syntax. /// (Simple wrapper around `render_opts` that passes a default set of options.) pub fn render<'a, N, E, G, W>(g: &'a G, w: &mut W) -> io::Result<()> diff --git a/compiler/rustc_graphviz/src/tests.rs b/compiler/rustc_graphviz/src/tests.rs index 70b8197f5ef3..a297bac86c41 100644 --- a/compiler/rustc_graphviz/src/tests.rs +++ b/compiler/rustc_graphviz/src/tests.rs @@ -111,7 +111,7 @@ impl<'a> Labeller<'a> for LabelledGraph { fn node_label(&'a self, n: &Node) -> LabelText<'a> { match self.node_labels[*n] { Some(l) => LabelStr(l.into()), - None => LabelStr(id_name(n).name()), + None => LabelStr(id_name(n).name), } } fn edge_label(&'a self, e: &&'a Edge) -> LabelText<'a> { diff --git a/compiler/rustc_hir/src/def.rs b/compiler/rustc_hir/src/def.rs index a81eb747a335..de10d88c1d25 100644 --- a/compiler/rustc_hir/src/def.rs +++ b/compiler/rustc_hir/src/def.rs @@ -20,6 +20,7 @@ pub enum CtorOf { Variant, } +/// What kind of constructor something is. #[derive(Clone, Copy, PartialEq, Eq, Encodable, Decodable, Hash, Debug)] #[derive(HashStable_Generic)] pub enum CtorKind { @@ -31,6 +32,7 @@ pub enum CtorKind { Fictive, } +/// An attribute that is not a macro; e.g., `#[inline]` or `#[rustfmt::skip]`. #[derive(Clone, Copy, PartialEq, Eq, Encodable, Decodable, Hash, Debug)] #[derive(HashStable_Generic)] pub enum NonMacroAttrKind { @@ -47,33 +49,51 @@ pub enum NonMacroAttrKind { Registered, } +/// What kind of definition something is; e.g., `mod` vs `struct`. #[derive(Clone, Copy, PartialEq, Eq, Encodable, Decodable, Hash, Debug)] #[derive(HashStable_Generic)] pub enum DefKind { // Type namespace Mod, - /// Refers to the struct itself, `DefKind::Ctor` refers to its constructor if it exists. + /// Refers to the struct itself, [`DefKind::Ctor`] refers to its constructor if it exists. Struct, Union, Enum, - /// Refers to the variant itself, `DefKind::Ctor` refers to its constructor if it exists. + /// Refers to the variant itself, [`DefKind::Ctor`] refers to its constructor if it exists. Variant, Trait, - /// `type Foo = Bar;` + /// Type alias: `type Foo = Bar;` TyAlias, + /// Type from an `extern` block. ForeignTy, + /// Trait alias: `trait IntIterator = Iterator;` TraitAlias, + /// Associated type: `trait MyTrait { type Assoc; }` AssocTy, + /// Type parameter: the `T` in `struct Vec { ... }` TyParam, // Value namespace Fn, Const, + /// Constant generic parameter: `struct Foo { ... }` ConstParam, Static, /// Refers to the struct or enum variant's constructor. + /// + /// The reason `Ctor` exists in addition to [`DefKind::Struct`] and + /// [`DefKind::Variant`] is because structs and enum variants exist + /// in the *type* namespace, whereas struct and enum variant *constructors* + /// exist in the *value* namespace. + /// + /// You may wonder why enum variants exist in the type namespace as opposed + /// to the value namespace. Check out [RFC 2593] for intuition on why that is. + /// + /// [RFC 2593]: https://github.com/rust-lang/rfcs/pull/2593 Ctor(CtorOf, CtorKind), + /// Associated function: `impl MyStruct { fn associated() {} }` AssocFn, + /// Associated constant: `trait MyTrait { const ASSOC: usize; }` AssocConst, // Macro namespace @@ -82,11 +102,16 @@ pub enum DefKind { // Not namespaced (or they are, but we don't treat them so) ExternCrate, Use, + /// An `extern` block. ForeignMod, + /// Anonymous constant, e.g. the `1 + 2` in `[u8; 1 + 2]`, or `const { 1 + 2}` AnonConst, + /// Opaque type, aka `impl Trait`. OpaqueTy, Field, + /// Lifetime parameter: the `'a` in `struct Foo<'a> { ... }` LifetimeParam, + /// A use of [`global_asm!`]. GlobalAsm, Impl, Closure, @@ -196,35 +221,130 @@ impl DefKind { } /// The resolution of a path or export. +/// +/// For every path or identifier in Rust, the compiler must determine +/// what the path refers to. This process is called name resolution, +/// and `Res` is the primary result of name resolution. +/// +/// For example, everything prefixed with `/* Res */` in this example has +/// an associated `Res`: +/// +/// ``` +/// fn str_to_string(s: & /* Res */ str) -> /* Res */ String { +/// /* Res */ String::from(/* Res */ s) +/// } +/// +/// /* Res */ str_to_string("hello"); +/// ``` +/// +/// The associated `Res`s will be: +/// +/// - `str` will resolve to [`Res::PrimTy`]; +/// - `String` will resolve to [`Res::Def`], and the `Res` will include the [`DefId`] +/// for `String` as defined in the standard library; +/// - `String::from` will also resolve to [`Res::Def`], with the [`DefId`] +/// pointing to `String::from`; +/// - `s` will resolve to [`Res::Local`]; +/// - the call to `str_to_string` will resolve to [`Res::Def`], with the [`DefId`] +/// pointing to the definition of `str_to_string` in the current crate. +// #[derive(Clone, Copy, PartialEq, Eq, Encodable, Decodable, Hash, Debug)] #[derive(HashStable_Generic)] pub enum Res { + /// Definition having a unique ID (`DefId`), corresponds to something defined in user code. + /// + /// **Not bound to a specific namespace.** Def(DefKind, DefId), // Type namespace + /// A primitive type such as `i32` or `str`. + /// + /// **Belongs to the type namespace.** PrimTy(hir::PrimTy), - /// `Self`, with both an optional trait and impl `DefId`. + /// The `Self` type, optionally with the trait it is associated with + /// and optionally with the [`DefId`] of the impl it is associated with. + /// + /// **Belongs to the type namespace.** + /// + /// For example, the `Self` in /// - /// HACK(min_const_generics): impl self types also have an optional requirement to not mention + /// ``` + /// trait Foo { + /// fn foo() -> Box; + /// } + /// ``` + /// + /// would have the [`DefId`] of `Foo` associated with it. The `Self` in + /// + /// ``` + /// struct Bar; + /// + /// impl Bar { + /// fn new() -> Self { Bar } + /// } + /// ``` + /// + /// would have the [`DefId`] of the impl associated with it. Finally, the `Self` in + /// + /// ``` + /// impl Foo for Bar { + /// fn foo() -> Box { Box::new(Bar) } + /// } + /// ``` + /// + /// would have both the [`DefId`] of `Foo` and the [`DefId`] of the impl + /// associated with it. + /// + /// *See also [`Res::SelfCtor`].* + /// + /// ----- + /// + /// HACK(min_const_generics): impl self types also have an optional requirement to **not** mention /// any generic parameters to allow the following with `min_const_generics`: - /// ```rust - /// impl Foo { fn test() -> [u8; std::mem::size_of::()] {} } + /// ``` + /// impl Foo { fn test() -> [u8; std::mem::size_of::()] { todo!() } } /// ``` /// We do however allow `Self` in repeat expression even if it is generic to not break code /// which already works on stable while causing the `const_evaluatable_unchecked` future compat lint. /// /// FIXME(lazy_normalization_consts): Remove this bodge once that feature is stable. - SelfTy(Option /* trait */, Option<(DefId, bool)> /* impl */), - ToolMod, // e.g., `rustfmt` in `#[rustfmt::skip]` + SelfTy( + /// Optionally, the trait associated with this `Self` type. + Option, + /// Optionally, the impl associated with this `Self` type. + Option<(DefId, bool)>, + ), + /// A tool attribute module; e.g., the `rustfmt` in `#[rustfmt::skip]`. + /// + /// **Belongs to the type namespace.** + ToolMod, // Value namespace - SelfCtor(DefId /* impl */), // `DefId` refers to the impl + /// The `Self` constructor, along with the [`DefId`] + /// of the impl it is associated with. + /// + /// **Belongs to the value namespace.** + /// + /// *See also [`Res::SelfTy`].* + SelfCtor(DefId), + /// A local variable or function parameter. + /// + /// **Belongs to the value namespace.** Local(Id), // Macro namespace + /// An attribute that is *not* implemented via macro. + /// E.g., `#[inline]` and `#[rustfmt::skip]`, which are essentially directives, + /// as opposed to `#[test]`, which is a builtin macro. + /// + /// **Belongs to the macro namespace.** NonMacroAttr(NonMacroAttrKind), // e.g., `#[inline]` or `#[rustfmt::skip]` // All namespaces + /// Name resolution failed. We use a dummy `Res` variant so later phases + /// of the compiler won't crash and can instead report more errors. + /// + /// **Not bound to a specific namespace.** Err, } @@ -275,17 +395,26 @@ impl PartialRes { } } -/// Different kinds of symbols don't influence each other. -/// -/// Therefore, they have a separate universe (namespace). +/// Different kinds of symbols can coexist even if they share the same textual name. +/// Therefore, they each have a separate universe (known as a "namespace"). #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] pub enum Namespace { + /// The type namespace includes `struct`s, `enum`s, `union`s, `trait`s, and `mod`s + /// (and, by extension, crates). + /// + /// Note that the type namespace includes other items; this is not an + /// exhaustive list. TypeNS, + /// The value namespace includes `fn`s, `const`s, `static`s, and local variables (including function arguments). ValueNS, + /// The macro namespace includes `macro_rules!` macros, declarative `macro`s, + /// procedural macros, attribute macros, `derive` macros, and non-macro attributes + /// like `#[inline]` and `#[rustfmt::skip]`. MacroNS, } impl Namespace { + /// The English description of the namespace. pub fn descr(self) -> &'static str { match self { Self::TypeNS => "type", diff --git a/compiler/rustc_hir/src/definitions.rs b/compiler/rustc_hir/src/definitions.rs index 3266dfac702b..0f77de9fb250 100644 --- a/compiler/rustc_hir/src/definitions.rs +++ b/compiler/rustc_hir/src/definitions.rs @@ -87,6 +87,7 @@ impl DefPathTable { hash } + /// Used by librustdoc for fake DefIds. pub fn num_def_ids(&self) -> usize { self.index_to_key.len() } @@ -319,12 +320,6 @@ impl Definitions { self.table.def_path_hash(id.local_def_index) } - #[inline] - pub fn def_path_hash_to_def_id(&self, def_path_hash: DefPathHash) -> LocalDefId { - let local_def_index = self.table.def_path_hash_to_index[&def_path_hash]; - LocalDefId { local_def_index } - } - /// Returns the path from the crate root to `index`. The root /// nodes are not included in the path (i.e., this will be an /// empty vector for the crate root). For an inlined item, this diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index d03584d49a5b..1051fb8cea27 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -1,5 +1,5 @@ // ignore-tidy-filelength -use crate::def::{CtorKind, DefKind, Namespace, Res}; +use crate::def::{CtorKind, DefKind, Res}; use crate::def_id::DefId; crate use crate::hir_id::HirId; use crate::{itemlikevisit, LangItem}; @@ -402,7 +402,7 @@ pub enum TraitBoundModifier { /// `typeck::collect::compute_bounds` matches these against /// the "special" built-in traits (see `middle::lang_items`) and /// detects `Copy`, `Send` and `Sync`. -#[derive(Debug, HashStable_Generic)] +#[derive(Clone, Debug, HashStable_Generic)] pub enum GenericBound<'hir> { Trait(PolyTraitRef<'hir>, TraitBoundModifier), // FIXME(davidtwco): Introduce `PolyTraitRef::LangItem` @@ -625,13 +625,6 @@ pub struct ModuleItems { pub foreign_items: BTreeSet, } -/// A type representing only the top-level module. -#[derive(Encodable, Debug, HashStable_Generic)] -pub struct CrateItem<'hir> { - pub module: Mod<'hir>, - pub span: Span, -} - /// The top-level data structure that stores the entire contents of /// the crate currently being compiled. /// @@ -640,7 +633,7 @@ pub struct CrateItem<'hir> { /// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/hir.html #[derive(Debug)] pub struct Crate<'hir> { - pub item: CrateItem<'hir>, + pub item: Mod<'hir>, pub exported_macros: &'hir [MacroDef<'hir>], // Attributes from non-exported macros, kept only for collecting the library feature list. pub non_exported_macro_attrs: &'hir [Attribute], @@ -2118,15 +2111,6 @@ pub enum ImplItemKind<'hir> { TyAlias(&'hir Ty<'hir>), } -impl ImplItemKind<'_> { - pub fn namespace(&self) -> Namespace { - match self { - ImplItemKind::TyAlias(..) => Namespace::TypeNS, - ImplItemKind::Const(..) | ImplItemKind::Fn(..) => Namespace::ValueNS, - } - } -} - // The name of the associated type for `Fn` return types. pub const FN_OUTPUT_NAME: Symbol = sym::Output; @@ -2215,6 +2199,9 @@ impl PrimTy { Self::Str, ]; + /// Like [`PrimTy::name`], but returns a &str instead of a symbol. + /// + /// Used by rustdoc. pub fn name_str(self) -> &'static str { match self { PrimTy::Int(i) => i.name_str(), @@ -2360,7 +2347,7 @@ pub enum InlineAsmOperand<'hir> { out_expr: Option>, }, Const { - expr: Expr<'hir>, + anon_const: AnonConst, }, Sym { expr: Expr<'hir>, @@ -2569,7 +2556,7 @@ pub enum UseKind { /// that the `ref_id` is for. Note that `ref_id`'s value is not the `HirId` of the /// trait being referred to but just a unique `HirId` that serves as a key /// within the resolution map. -#[derive(Debug, HashStable_Generic)] +#[derive(Clone, Debug, HashStable_Generic)] pub struct TraitRef<'hir> { pub path: &'hir Path<'hir>, // Don't hash the `ref_id`. It is tracked via the thing it is used to access. @@ -2588,7 +2575,7 @@ impl TraitRef<'_> { } } -#[derive(Debug, HashStable_Generic)] +#[derive(Clone, Debug, HashStable_Generic)] pub struct PolyTraitRef<'hir> { /// The `'a` in `for<'a> Foo<&'a T>`. pub bound_generic_params: &'hir [GenericParam<'hir>], @@ -2989,7 +2976,7 @@ pub enum Node<'hir> { GenericParam(&'hir GenericParam<'hir>), Visibility(&'hir Visibility<'hir>), - Crate(&'hir CrateItem<'hir>), + Crate(&'hir Mod<'hir>), } impl<'hir> Node<'hir> { diff --git a/compiler/rustc_hir/src/hir_id.rs b/compiler/rustc_hir/src/hir_id.rs index e0b3d9026a07..0b25ebc27bd3 100644 --- a/compiler/rustc_hir/src/hir_id.rs +++ b/compiler/rustc_hir/src/hir_id.rs @@ -63,6 +63,7 @@ pub const CRATE_HIR_ID: HirId = HirId { local_id: ItemLocalId::from_u32(0), }; +/// N.B. This collection is currently unused, but will be used by #72015 and future PRs. #[derive(Clone, Default, Debug, Encodable, Decodable)] pub struct HirIdVec { map: IndexVec>, diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index 9b908b141af1..0ce04a77a505 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -98,7 +98,7 @@ where } } -#[derive(Copy, Clone)] +#[derive(Copy, Clone, Debug)] pub enum FnKind<'a> { /// `#[xxx] pub async/const/extern "Abi" fn foo()` ItemFn(Ident, &'a Generics<'a>, FnHeader, &'a Visibility<'a>), @@ -478,7 +478,7 @@ pub trait Visitor<'v>: Sized { /// Walks the contents of a crate. See also `Crate::visit_all_items`. pub fn walk_crate<'v, V: Visitor<'v>>(visitor: &mut V, krate: &'v Crate<'v>) { - visitor.visit_mod(&krate.item.module, krate.item.span, CRATE_HIR_ID); + visitor.visit_mod(&krate.item, krate.item.inner, CRATE_HIR_ID); walk_list!(visitor, visit_macro_def, krate.exported_macros); for (&id, attrs) in krate.attrs.iter() { for a in *attrs { @@ -1189,7 +1189,6 @@ pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>) match op { InlineAsmOperand::In { expr, .. } | InlineAsmOperand::InOut { expr, .. } - | InlineAsmOperand::Const { expr, .. } | InlineAsmOperand::Sym { expr, .. } => visitor.visit_expr(expr), InlineAsmOperand::Out { expr, .. } => { if let Some(expr) = expr { @@ -1202,6 +1201,9 @@ pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>) visitor.visit_expr(out_expr); } } + InlineAsmOperand::Const { anon_const, .. } => { + visitor.visit_anon_const(anon_const) + } } } } diff --git a/compiler/rustc_hir/src/pat_util.rs b/compiler/rustc_hir/src/pat_util.rs index 9e0a6aae2427..b1f78a83e740 100644 --- a/compiler/rustc_hir/src/pat_util.rs +++ b/compiler/rustc_hir/src/pat_util.rs @@ -1,6 +1,7 @@ use crate::def::{CtorOf, DefKind, Res}; use crate::def_id::DefId; use crate::hir::{self, HirId, PatKind}; +use rustc_data_structures::stable_set::FxHashSet; use rustc_span::symbol::Ident; use rustc_span::Span; @@ -89,26 +90,6 @@ impl hir::Pat<'_> { }) } - /// Checks if the pattern contains any patterns that bind something to - /// an ident, e.g., `foo`, or `Foo(foo)` or `foo @ Bar(..)`. - pub fn contains_bindings(&self) -> bool { - self.satisfies(|p| matches!(p.kind, PatKind::Binding(..))) - } - - /// Checks if the pattern satisfies the given predicate on some sub-pattern. - fn satisfies(&self, pred: impl Fn(&hir::Pat<'_>) -> bool) -> bool { - let mut satisfies = false; - self.walk_short(|p| { - if pred(p) { - satisfies = true; - false // Found one, can short circuit now. - } else { - true - } - }); - satisfies - } - pub fn simple_ident(&self) -> Option { match self.kind { PatKind::Binding( @@ -138,8 +119,10 @@ impl hir::Pat<'_> { } _ => true, }); - variants.sort(); - variants.dedup(); + // We remove duplicates by inserting into a `FxHashSet` to avoid re-ordering + // the bounds + let mut duplicates = FxHashSet::default(); + variants.retain(|def_id| duplicates.insert(*def_id)); variants } diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index 7eeda6013ed7..5820e7a26123 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -170,7 +170,7 @@ pub fn print_crate<'a>( // When printing the AST, we sometimes need to inject `#[no_std]` here. // Since you can't compile the HIR, it's not necessary. - s.print_mod(&krate.item.module, s.attrs(hir::CRATE_HIR_ID)); + s.print_mod(&krate.item, s.attrs(hir::CRATE_HIR_ID)); s.print_remaining_comments(); s.s.eof() } @@ -221,10 +221,6 @@ pub fn bounds_to_string<'b>(bounds: impl IntoIterator) -> String { - to_string(NO_ANN, |s| s.print_param(arg)) -} - pub fn ty_to_string(ty: &hir::Ty<'_>) -> String { to_string(NO_ANN, |s| s.print_type(ty)) } @@ -1574,10 +1570,10 @@ impl<'a> State<'a> { None => s.word("_"), } } - hir::InlineAsmOperand::Const { expr } => { + hir::InlineAsmOperand::Const { anon_const } => { s.word("const"); s.space(); - s.print_expr(expr); + s.print_anon_const(anon_const); } hir::InlineAsmOperand::Sym { expr } => { s.word("sym"); @@ -1701,21 +1697,10 @@ impl<'a> State<'a> { } } - pub fn print_usize(&mut self, i: usize) { - self.s.word(i.to_string()) - } - pub fn print_name(&mut self, name: Symbol) { self.print_ident(Ident::with_dummy_span(name)) } - pub fn print_for_decl(&mut self, loc: &hir::Local<'_>, coll: &hir::Expr<'_>) { - self.print_local_decl(loc); - self.s.space(); - self.word_space("in"); - self.print_expr(coll) - } - pub fn print_path(&mut self, path: &hir::Path<'_>, colons_before_params: bool) { self.maybe_print_comment(path.span.lo()); @@ -2430,24 +2415,6 @@ impl<'a> State<'a> { } } - pub fn print_opt_abi_and_extern_if_nondefault(&mut self, opt_abi: Option) { - match opt_abi { - Some(Abi::Rust) => {} - Some(abi) => { - self.word_nbsp("extern"); - self.word_nbsp(abi.to_string()) - } - None => {} - } - } - - pub fn print_extern_opt_abi(&mut self, opt_abi: Option) { - if let Some(abi) = opt_abi { - self.word_nbsp("extern"); - self.word_nbsp(abi.to_string()) - } - } - pub fn print_fn_header_info(&mut self, header: hir::FnHeader, vis: &hir::Visibility<'_>) { self.s.word(visibility_qualified(vis, "")); diff --git a/compiler/rustc_incremental/src/assert_dep_graph.rs b/compiler/rustc_incremental/src/assert_dep_graph.rs index a080b0ce3395..b5680beae142 100644 --- a/compiler/rustc_incremental/src/assert_dep_graph.rs +++ b/compiler/rustc_incremental/src/assert_dep_graph.rs @@ -40,8 +40,9 @@ use rustc_graphviz as dot; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor}; -use rustc_middle::dep_graph::debug::{DepNodeFilter, EdgeFilter}; -use rustc_middle::dep_graph::{DepGraphQuery, DepKind, DepNode, DepNodeExt}; +use rustc_middle::dep_graph::{ + DepGraphQuery, DepKind, DepNode, DepNodeExt, DepNodeFilter, EdgeFilter, +}; use rustc_middle::hir::map::Map; use rustc_middle::ty::TyCtxt; use rustc_span::symbol::{sym, Symbol}; @@ -54,7 +55,7 @@ use std::io::{BufWriter, Write}; pub fn assert_dep_graph(tcx: TyCtxt<'_>) { tcx.dep_graph.with_ignore(|| { if tcx.sess.opts.debugging_opts.dump_dep_graph { - dump_graph(tcx); + tcx.dep_graph.with_query(dump_graph); } if !tcx.sess.opts.debugging_opts.query_dep_graph { @@ -200,29 +201,29 @@ fn check_paths<'tcx>(tcx: TyCtxt<'tcx>, if_this_changed: &Sources, then_this_wou } return; } - let query = tcx.dep_graph.query(); - for &(_, source_def_id, ref source_dep_node) in if_this_changed { - let dependents = query.transitive_predecessors(source_dep_node); - for &(target_span, ref target_pass, _, ref target_dep_node) in then_this_would_need { - if !dependents.contains(&target_dep_node) { - tcx.sess.span_err( - target_span, - &format!( - "no path from `{}` to `{}`", - tcx.def_path_str(source_def_id), - target_pass - ), - ); - } else { - tcx.sess.span_err(target_span, "OK"); + tcx.dep_graph.with_query(|query| { + for &(_, source_def_id, ref source_dep_node) in if_this_changed { + let dependents = query.transitive_predecessors(source_dep_node); + for &(target_span, ref target_pass, _, ref target_dep_node) in then_this_would_need { + if !dependents.contains(&target_dep_node) { + tcx.sess.span_err( + target_span, + &format!( + "no path from `{}` to `{}`", + tcx.def_path_str(source_def_id), + target_pass + ), + ); + } else { + tcx.sess.span_err(target_span, "OK"); + } } } - } + }); } -fn dump_graph(tcx: TyCtxt<'_>) { +fn dump_graph(query: &DepGraphQuery) { let path: String = env::var("RUST_DEP_GRAPH").unwrap_or_else(|_| "dep_graph".to_string()); - let query = tcx.dep_graph.query(); let nodes = match env::var("RUST_DEP_GRAPH_FILTER") { Ok(string) => { diff --git a/compiler/rustc_incremental/src/lib.rs b/compiler/rustc_incremental/src/lib.rs index 95456c07b10a..f089cbcfca6e 100644 --- a/compiler/rustc_incremental/src/lib.rs +++ b/compiler/rustc_incremental/src/lib.rs @@ -14,7 +14,7 @@ mod assert_dep_graph; pub mod assert_module_sources; mod persist; -pub use assert_dep_graph::assert_dep_graph; +use assert_dep_graph::assert_dep_graph; pub use persist::copy_cgu_workproduct_to_incr_comp_cache_dir; pub use persist::delete_workproduct_files; pub use persist::finalize_session_directory; @@ -26,4 +26,4 @@ pub use persist::prepare_session_directory; pub use persist::save_dep_graph; pub use persist::save_work_product_index; pub use persist::LoadResult; -pub use persist::{load_dep_graph, DepGraphFuture}; +pub use persist::{build_dep_graph, load_dep_graph, DepGraphFuture}; diff --git a/compiler/rustc_incremental/src/persist/dirty_clean.rs b/compiler/rustc_incremental/src/persist/dirty_clean.rs index cb089a728eee..e7bd488af8eb 100644 --- a/compiler/rustc_incremental/src/persist/dirty_clean.rs +++ b/compiler/rustc_incremental/src/persist/dirty_clean.rs @@ -14,7 +14,6 @@ //! the required condition is not met. use rustc_ast::{self as ast, Attribute, NestedMetaItem}; -use rustc_data_structures::fingerprint::Fingerprint; use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; @@ -74,16 +73,6 @@ const BASE_STRUCT: &[&str] = &[label_strs::generics_of, label_strs::predicates_of, label_strs::type_of]; /// Trait definition `DepNode`s. -const BASE_TRAIT_DEF: &[&str] = &[ - label_strs::associated_item_def_ids, - label_strs::generics_of, - label_strs::object_safety_violations, - label_strs::predicates_of, - label_strs::specialization_graph_of, - label_strs::trait_def, - label_strs::trait_impls_of, -]; - /// Extra `DepNode`s for functions and methods. const EXTRA_ASSOCIATED: &[&str] = &[label_strs::associated_item]; @@ -118,10 +107,6 @@ const LABELS_IMPL: &[&[&str]] = &[BASE_HIR, BASE_IMPL]; /// Abstract data type (struct, enum, union) `DepNode`s. const LABELS_ADT: &[&[&str]] = &[BASE_HIR, BASE_STRUCT]; -/// Trait definition `DepNode`s. -#[allow(dead_code)] -const LABELS_TRAIT: &[&[&str]] = &[BASE_HIR, BASE_TRAIT_DEF]; - // FIXME: Struct/Enum/Unions Fields (there is currently no way to attach these) // // Fields are kind of separate from their containers, as they can change independently from @@ -395,10 +380,7 @@ impl DirtyCleanVisitor<'tcx> { fn assert_dirty(&self, item_span: Span, dep_node: DepNode) { debug!("assert_dirty({:?})", dep_node); - let current_fingerprint = self.get_fingerprint(&dep_node); - let prev_fingerprint = self.tcx.dep_graph.prev_fingerprint_of(&dep_node); - - if current_fingerprint == prev_fingerprint { + if self.tcx.dep_graph.is_green(&dep_node) { let dep_node_str = self.dep_node_str(&dep_node); self.tcx .sess @@ -406,28 +388,10 @@ impl DirtyCleanVisitor<'tcx> { } } - fn get_fingerprint(&self, dep_node: &DepNode) -> Option { - if self.tcx.dep_graph.dep_node_exists(dep_node) { - let dep_node_index = self.tcx.dep_graph.dep_node_index_of(dep_node); - Some(self.tcx.dep_graph.fingerprint_of(dep_node_index)) - } else { - None - } - } - fn assert_clean(&self, item_span: Span, dep_node: DepNode) { debug!("assert_clean({:?})", dep_node); - let current_fingerprint = self.get_fingerprint(&dep_node); - let prev_fingerprint = self.tcx.dep_graph.prev_fingerprint_of(&dep_node); - - // if the node wasn't previously evaluated and now is (or vice versa), - // then the node isn't actually clean or dirty. - if (current_fingerprint == None) ^ (prev_fingerprint == None) { - return; - } - - if current_fingerprint != prev_fingerprint { + if self.tcx.dep_graph.is_red(&dep_node) { let dep_node_str = self.dep_node_str(&dep_node); self.tcx .sess diff --git a/compiler/rustc_incremental/src/persist/fs.rs b/compiler/rustc_incremental/src/persist/fs.rs index c7a6c1195c50..30c6c408bc7c 100644 --- a/compiler/rustc_incremental/src/persist/fs.rs +++ b/compiler/rustc_incremental/src/persist/fs.rs @@ -122,6 +122,7 @@ mod tests; const LOCK_FILE_EXT: &str = ".lock"; const DEP_GRAPH_FILENAME: &str = "dep-graph.bin"; +const STAGING_DEP_GRAPH_FILENAME: &str = "dep-graph.part.bin"; const WORK_PRODUCTS_FILENAME: &str = "work-products.bin"; const QUERY_CACHE_FILENAME: &str = "query-cache.bin"; @@ -134,6 +135,9 @@ const INT_ENCODE_BASE: usize = base_n::CASE_INSENSITIVE; pub fn dep_graph_path(sess: &Session) -> PathBuf { in_incr_comp_dir_sess(sess, DEP_GRAPH_FILENAME) } +pub fn staging_dep_graph_path(sess: &Session) -> PathBuf { + in_incr_comp_dir_sess(sess, STAGING_DEP_GRAPH_FILENAME) +} pub fn dep_graph_path_from(incr_comp_session_dir: &Path) -> PathBuf { in_incr_comp_dir(incr_comp_session_dir, DEP_GRAPH_FILENAME) } diff --git a/compiler/rustc_incremental/src/persist/load.rs b/compiler/rustc_incremental/src/persist/load.rs index 2b5649bb0594..259e540c6125 100644 --- a/compiler/rustc_incremental/src/persist/load.rs +++ b/compiler/rustc_incremental/src/persist/load.rs @@ -5,7 +5,7 @@ use rustc_hir::definitions::Definitions; use rustc_middle::dep_graph::{PreviousDepGraph, SerializedDepGraph, WorkProduct, WorkProductId}; use rustc_middle::ty::query::OnDiskCache; use rustc_serialize::opaque::Decoder; -use rustc_serialize::Decodable as RustcDecodable; +use rustc_serialize::Decodable; use rustc_session::Session; use std::path::Path; @@ -120,7 +120,7 @@ pub fn load_dep_graph(sess: &Session) -> DepGraphFuture { // Decode the list of work_products let mut work_product_decoder = Decoder::new(&work_products_data[..], start_pos); let work_products: Vec = - RustcDecodable::decode(&mut work_product_decoder).unwrap_or_else(|e| { + Decodable::decode(&mut work_product_decoder).unwrap_or_else(|e| { let msg = format!( "Error decoding `work-products` from incremental \ compilation session directory: {}", diff --git a/compiler/rustc_incremental/src/persist/mod.rs b/compiler/rustc_incremental/src/persist/mod.rs index 8821b34b5021..1336189bc0d2 100644 --- a/compiler/rustc_incremental/src/persist/mod.rs +++ b/compiler/rustc_incremental/src/persist/mod.rs @@ -18,6 +18,7 @@ pub use fs::prepare_session_directory; pub use load::load_query_result_cache; pub use load::LoadResult; pub use load::{load_dep_graph, DepGraphFuture}; +pub use save::build_dep_graph; pub use save::save_dep_graph; pub use save::save_work_product_index; pub use work_product::copy_cgu_workproduct_to_incr_comp_cache_dir; diff --git a/compiler/rustc_incremental/src/persist/save.rs b/compiler/rustc_incremental/src/persist/save.rs index 45d474b89b8d..d558af3c1d55 100644 --- a/compiler/rustc_incremental/src/persist/save.rs +++ b/compiler/rustc_incremental/src/persist/save.rs @@ -1,6 +1,6 @@ use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::sync::join; -use rustc_middle::dep_graph::{DepGraph, WorkProduct, WorkProductId}; +use rustc_middle::dep_graph::{DepGraph, PreviousDepGraph, WorkProduct, WorkProductId}; use rustc_middle::ty::TyCtxt; use rustc_serialize::opaque::{FileEncodeResult, FileEncoder}; use rustc_serialize::Encodable as RustcEncodable; @@ -15,6 +15,9 @@ use super::file_format; use super::fs::*; use super::work_product; +/// Save and dump the DepGraph. +/// +/// No query must be invoked after this function. pub fn save_dep_graph(tcx: TyCtxt<'_>) { debug!("save_dep_graph()"); tcx.dep_graph.with_ignore(|| { @@ -29,6 +32,14 @@ pub fn save_dep_graph(tcx: TyCtxt<'_>) { let query_cache_path = query_cache_path(sess); let dep_graph_path = dep_graph_path(sess); + let staging_dep_graph_path = staging_dep_graph_path(sess); + + sess.time("assert_dep_graph", || crate::assert_dep_graph(tcx)); + sess.time("check_dirty_clean", || dirty_clean::check_dirty_clean_annotations(tcx)); + + if sess.opts.debugging_opts.incremental_info { + tcx.dep_graph.print_incremental_info() + } join( move || { @@ -36,16 +47,26 @@ pub fn save_dep_graph(tcx: TyCtxt<'_>) { save_in(sess, query_cache_path, "query cache", |e| encode_query_cache(tcx, e)); }); }, - || { + move || { sess.time("incr_comp_persist_dep_graph", || { - save_in(sess, dep_graph_path, "dependency graph", |e| { - sess.time("incr_comp_encode_dep_graph", || encode_dep_graph(tcx, e)) - }); + if let Err(err) = tcx.dep_graph.encode(&tcx.sess.prof) { + sess.err(&format!( + "failed to write dependency graph to `{}`: {}", + staging_dep_graph_path.display(), + err + )); + } + if let Err(err) = fs::rename(&staging_dep_graph_path, &dep_graph_path) { + sess.err(&format!( + "failed to move dependency graph from `{}` to `{}`: {}", + staging_dep_graph_path.display(), + dep_graph_path.display(), + err + )); + } }); }, ); - - dirty_clean::check_dirty_clean_annotations(tcx); }) } @@ -92,7 +113,7 @@ pub fn save_work_product_index( }); } -fn save_in(sess: &Session, path_buf: PathBuf, name: &str, encode: F) +pub(crate) fn save_in(sess: &Session, path_buf: PathBuf, name: &str, encode: F) where F: FnOnce(&mut FileEncoder) -> FileEncodeResult, { @@ -144,21 +165,6 @@ where debug!("save: data written to disk successfully"); } -fn encode_dep_graph(tcx: TyCtxt<'_>, encoder: &mut FileEncoder) -> FileEncodeResult { - // First encode the commandline arguments hash - tcx.sess.opts.dep_tracking_hash().encode(encoder)?; - - if tcx.sess.opts.debugging_opts.incremental_info { - tcx.dep_graph.print_incremental_info(); - } - - // There is a tiny window between printing the incremental info above and encoding the dep - // graph below in which the dep graph could change, thus making the printed incremental info - // slightly out of date. If this matters to you, please feel free to submit a patch. :) - - tcx.sess.time("incr_comp_encode_serialized_dep_graph", || tcx.dep_graph.encode(encoder)) -} - fn encode_work_product_index( work_products: &FxHashMap, encoder: &mut FileEncoder, @@ -177,3 +183,56 @@ fn encode_work_product_index( fn encode_query_cache(tcx: TyCtxt<'_>, encoder: &mut FileEncoder) -> FileEncodeResult { tcx.sess.time("incr_comp_serialize_result_cache", || tcx.serialize_query_result_cache(encoder)) } + +pub fn build_dep_graph( + sess: &Session, + prev_graph: PreviousDepGraph, + prev_work_products: FxHashMap, +) -> Option { + if sess.opts.incremental.is_none() { + // No incremental compilation. + return None; + } + + // Stream the dep-graph to an alternate file, to avoid overwriting anything in case of errors. + let path_buf = staging_dep_graph_path(sess); + + let mut encoder = match FileEncoder::new(&path_buf) { + Ok(encoder) => encoder, + Err(err) => { + sess.err(&format!( + "failed to create dependency graph at `{}`: {}", + path_buf.display(), + err + )); + return None; + } + }; + + if let Err(err) = file_format::write_file_header(&mut encoder, sess.is_nightly_build()) { + sess.err(&format!( + "failed to write dependency graph header to `{}`: {}", + path_buf.display(), + err + )); + return None; + } + + // First encode the commandline arguments hash + if let Err(err) = sess.opts.dep_tracking_hash().encode(&mut encoder) { + sess.err(&format!( + "failed to write dependency graph hash `{}`: {}", + path_buf.display(), + err + )); + return None; + } + + Some(DepGraph::new( + prev_graph, + prev_work_products, + encoder, + sess.opts.debugging_opts.query_dep_graph, + sess.opts.debugging_opts.incremental_info, + )) +} diff --git a/compiler/rustc_index/src/vec.rs b/compiler/rustc_index/src/vec.rs index 3882818952c3..1b1a59a254e6 100644 --- a/compiler/rustc_index/src/vec.rs +++ b/compiler/rustc_index/src/vec.rs @@ -124,7 +124,8 @@ macro_rules! newtype_index { #[inline] $v const fn from_usize(value: usize) -> Self { - assert!(value <= ($max as usize)); + // FIXME: replace with `assert!(value <= ($max as usize));` once `const_panic` is stable + [()][(value > ($max as usize)) as usize]; unsafe { Self::from_u32_unchecked(value as u32) } @@ -132,7 +133,8 @@ macro_rules! newtype_index { #[inline] $v const fn from_u32(value: u32) -> Self { - assert!(value <= $max); + // FIXME: replace with `assert!(value <= $max);` once `const_panic` is stable + [()][(value > $max) as usize]; unsafe { Self::from_u32_unchecked(value) } diff --git a/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs b/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs index aa4fd055d5ee..c68705da413f 100644 --- a/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs +++ b/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs @@ -293,7 +293,7 @@ impl<'cx, 'tcx> TypeFolder<'tcx> for Canonicalizer<'cx, 'tcx> { self.tcx } - fn fold_binder(&mut self, t: ty::Binder) -> ty::Binder + fn fold_binder(&mut self, t: ty::Binder<'tcx, T>) -> ty::Binder<'tcx, T> where T: TypeFoldable<'tcx>, { @@ -621,7 +621,7 @@ impl<'cx, 'tcx> Canonicalizer<'cx, 'tcx> { r: ty::Region<'tcx>, ) -> ty::Region<'tcx> { let var = self.canonical_var(info, r.into()); - let br = ty::BoundRegion { kind: ty::BrAnon(var.as_u32()) }; + let br = ty::BoundRegion { var, kind: ty::BrAnon(var.as_u32()) }; let region = ty::ReLateBound(self.binder_index, br); self.tcx().mk_region(region) } diff --git a/compiler/rustc_infer/src/infer/canonical/query_response.rs b/compiler/rustc_infer/src/infer/canonical/query_response.rs index f000d491b99a..b8ecc949588f 100644 --- a/compiler/rustc_infer/src/infer/canonical/query_response.rs +++ b/compiler/rustc_infer/src/infer/canonical/query_response.rs @@ -439,7 +439,7 @@ impl<'cx, 'tcx> InferCtxt<'cx, 'tcx> { // We only allow a `ty::INNERMOST` index in substitutions. assert_eq!(debruijn, ty::INNERMOST); - opt_values[br.assert_bound_var()] = Some(*original_value); + opt_values[br.var] = Some(*original_value); } } GenericArgKind::Const(result_value) => { diff --git a/compiler/rustc_infer/src/infer/canonical/substitute.rs b/compiler/rustc_infer/src/infer/canonical/substitute.rs index 387f480814ae..553a11d4393f 100644 --- a/compiler/rustc_infer/src/infer/canonical/substitute.rs +++ b/compiler/rustc_infer/src/infer/canonical/substitute.rs @@ -71,11 +71,10 @@ where if var_values.var_values.is_empty() { value } else { - let fld_r = - |br: ty::BoundRegion| match var_values.var_values[br.assert_bound_var()].unpack() { - GenericArgKind::Lifetime(l) => l, - r => bug!("{:?} is a region but value is {:?}", br, r), - }; + let fld_r = |br: ty::BoundRegion| match var_values.var_values[br.var].unpack() { + GenericArgKind::Lifetime(l) => l, + r => bug!("{:?} is a region but value is {:?}", br, r), + }; let fld_t = |bound_ty: ty::BoundTy| match var_values.var_values[bound_ty.var].unpack() { GenericArgKind::Type(ty) => ty, diff --git a/compiler/rustc_infer/src/infer/combine.rs b/compiler/rustc_infer/src/infer/combine.rs index ffe947d209dd..debf10825379 100644 --- a/compiler/rustc_infer/src/infer/combine.rs +++ b/compiler/rustc_infer/src/infer/combine.rs @@ -545,9 +545,9 @@ impl TypeRelation<'tcx> for Generalizer<'_, 'tcx> { fn binders( &mut self, - a: ty::Binder, - b: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> + a: ty::Binder<'tcx, T>, + b: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where T: Relate<'tcx>, { @@ -840,9 +840,9 @@ impl TypeRelation<'tcx> for ConstInferUnifier<'_, 'tcx> { fn binders( &mut self, - a: ty::Binder, - b: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> + a: ty::Binder<'tcx, T>, + b: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where T: Relate<'tcx>, { diff --git a/compiler/rustc_infer/src/infer/equate.rs b/compiler/rustc_infer/src/infer/equate.rs index 7c388b5503ee..45ba50bb6349 100644 --- a/compiler/rustc_infer/src/infer/equate.rs +++ b/compiler/rustc_infer/src/infer/equate.rs @@ -124,9 +124,9 @@ impl TypeRelation<'tcx> for Equate<'combine, 'infcx, 'tcx> { fn binders( &mut self, - a: ty::Binder, - b: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> + a: ty::Binder<'tcx, T>, + b: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where T: Relate<'tcx>, { diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index a18c9569a8cd..a91bd9ce2ff7 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -514,7 +514,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> { fn print_dyn_existential( self, - _predicates: &'tcx ty::List>>, + _predicates: &'tcx ty::List>>, ) -> Result { Err(NonTrivialPath) } diff --git a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs index d533e267fd70..d9a1193aac4b 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs @@ -287,6 +287,7 @@ pub struct InferenceDiagnosticsData { pub struct InferenceDiagnosticsParentData { pub prefix: &'static str, pub name: String, + pub def_id: DefId, } pub enum UnderspecifiedArgKind { @@ -328,6 +329,7 @@ impl InferenceDiagnosticsParentData { Some(InferenceDiagnosticsParentData { prefix: tcx.def_kind(parent_def_id).descr(parent_def_id), name: parent_name, + def_id: parent_def_id, }) } } @@ -754,12 +756,30 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> { if let (UnderspecifiedArgKind::Const { .. }, Some(parent_data)) = (&arg_data.kind, &arg_data.parent) { - err.span_suggestion_verbose( - span, - "consider specifying the const argument", - format!("{}::<{}>", parent_data.name, arg_data.name), - Applicability::MaybeIncorrect, - ); + let has_impl_trait = + self.tcx.generics_of(parent_data.def_id).params.iter().any(|param| { + matches!( + param.kind, + ty::GenericParamDefKind::Type { + synthetic: Some( + hir::SyntheticTyParamKind::ImplTrait + | hir::SyntheticTyParamKind::FromAttr, + ), + .. + } + ) + }); + + // (#83606): Do not emit a suggestion if the parent has an `impl Trait` + // as an argument otherwise it will cause the E0282 error. + if !has_impl_trait { + err.span_suggestion_verbose( + span, + "consider specifying the const argument", + format!("{}::<{}>", parent_data.name, arg_data.name), + Applicability::MaybeIncorrect, + ); + } } err.span_label( diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs index 35b9bc96f133..58eb1e9aa12c 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs @@ -115,7 +115,7 @@ impl Visitor<'tcx> for FindNestedTypeVisitor<'tcx> { // error. We will then search the function parameters for a bound // region at the right depth with the same index ( - Some(rl::Region::LateBoundAnon(debruijn_index, anon_index)), + Some(rl::Region::LateBoundAnon(debruijn_index, _, anon_index)), ty::BrAnon(br_index), ) => { debug!( @@ -143,7 +143,7 @@ impl Visitor<'tcx> for FindNestedTypeVisitor<'tcx> { // error. We will then search the function parameters for a bound // region at the right depth with the same index ( - Some(rl::Region::LateBound(debruijn_index, id, _)), + Some(rl::Region::LateBound(debruijn_index, _, id, _)), ty::BrNamed(def_id, _), ) => { debug!( @@ -162,8 +162,8 @@ impl Visitor<'tcx> for FindNestedTypeVisitor<'tcx> { rl::Region::Static | rl::Region::Free(_, _) | rl::Region::EarlyBound(_, _, _) - | rl::Region::LateBound(_, _, _) - | rl::Region::LateBoundAnon(_, _), + | rl::Region::LateBound(_, _, _, _) + | rl::Region::LateBoundAnon(_, _, _), ) | None, _, @@ -217,7 +217,10 @@ impl Visitor<'tcx> for TyPathVisitor<'tcx> { fn visit_lifetime(&mut self, lifetime: &hir::Lifetime) { match (self.tcx.named_region(lifetime.hir_id), self.bound_region) { // the lifetime of the TyPath! - (Some(rl::Region::LateBoundAnon(debruijn_index, anon_index)), ty::BrAnon(br_index)) => { + ( + Some(rl::Region::LateBoundAnon(debruijn_index, _, anon_index)), + ty::BrAnon(br_index), + ) => { if debruijn_index == self.current_index && anon_index == br_index { self.found_it = true; return; @@ -232,7 +235,7 @@ impl Visitor<'tcx> for TyPathVisitor<'tcx> { } } - (Some(rl::Region::LateBound(debruijn_index, id, _)), ty::BrNamed(def_id, _)) => { + (Some(rl::Region::LateBound(debruijn_index, _, id, _)), ty::BrNamed(def_id, _)) => { debug!("FindNestedTypeVisitor::visit_ty: LateBound depth = {:?}", debruijn_index,); debug!("id={:?}", id); debug!("def_id={:?}", def_id); @@ -246,8 +249,8 @@ impl Visitor<'tcx> for TyPathVisitor<'tcx> { Some( rl::Region::Static | rl::Region::EarlyBound(_, _, _) - | rl::Region::LateBound(_, _, _) - | rl::Region::LateBoundAnon(_, _) + | rl::Region::LateBound(_, _, _, _) + | rl::Region::LateBoundAnon(_, _, _) | rl::Region::Free(_, _), ) | None, diff --git a/compiler/rustc_infer/src/infer/glb.rs b/compiler/rustc_infer/src/infer/glb.rs index ccba904df9e0..02662043dba7 100644 --- a/compiler/rustc_infer/src/infer/glb.rs +++ b/compiler/rustc_infer/src/infer/glb.rs @@ -85,9 +85,9 @@ impl TypeRelation<'tcx> for Glb<'combine, 'infcx, 'tcx> { fn binders( &mut self, - a: ty::Binder, - b: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> + a: ty::Binder<'tcx, T>, + b: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where T: Relate<'tcx>, { diff --git a/compiler/rustc_infer/src/infer/higher_ranked/mod.rs b/compiler/rustc_infer/src/infer/higher_ranked/mod.rs index e794903fca3a..d460222df8ad 100644 --- a/compiler/rustc_infer/src/infer/higher_ranked/mod.rs +++ b/compiler/rustc_infer/src/infer/higher_ranked/mod.rs @@ -11,10 +11,10 @@ use rustc_middle::ty::{self, Binder, TypeFoldable}; impl<'a, 'tcx> CombineFields<'a, 'tcx> { pub fn higher_ranked_sub( &mut self, - a: Binder, - b: Binder, + a: Binder<'tcx, T>, + b: Binder<'tcx, T>, a_is_expected: bool, - ) -> RelateResult<'tcx, Binder> + ) -> RelateResult<'tcx, Binder<'tcx, T>> where T: Relate<'tcx>, { @@ -50,7 +50,10 @@ impl<'a, 'tcx> CombineFields<'a, 'tcx> { debug!("higher_ranked_sub: OK result={:?}", result); - Ok(ty::Binder::bind(result)) + // We related `a_prime` and `b_prime`, which just had any bound vars + // replaced with placeholders or infer vars, respectively. Relating + // them should not introduce new bound vars. + Ok(ty::Binder::dummy(result)) }) } } @@ -66,7 +69,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> { /// the [rustc dev guide]. /// /// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/hrtb.html - pub fn replace_bound_vars_with_placeholders(&self, binder: ty::Binder) -> T + pub fn replace_bound_vars_with_placeholders(&self, binder: ty::Binder<'tcx, T>) -> T where T: TypeFoldable<'tcx>, { diff --git a/compiler/rustc_infer/src/infer/lub.rs b/compiler/rustc_infer/src/infer/lub.rs index 9f43fac0916b..4fa8f2f1a6a4 100644 --- a/compiler/rustc_infer/src/infer/lub.rs +++ b/compiler/rustc_infer/src/infer/lub.rs @@ -85,9 +85,9 @@ impl TypeRelation<'tcx> for Lub<'combine, 'infcx, 'tcx> { fn binders( &mut self, - a: ty::Binder, - b: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> + a: ty::Binder<'tcx, T>, + b: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where T: Relate<'tcx>, { diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 7b18f4d0ff6a..eaec6b46bcd1 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -1266,15 +1266,6 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> { self.resolve_vars_if_possible(t).to_string() } - pub fn tys_to_string(&self, ts: &[Ty<'tcx>]) -> String { - let tstrs: Vec = ts.iter().map(|t| self.ty_to_string(*t)).collect(); - format!("({})", tstrs.join(", ")) - } - - pub fn trait_ref_to_string(&self, t: ty::TraitRef<'tcx>) -> String { - self.resolve_vars_if_possible(t).print_only_trait_path().to_string() - } - /// If `TyVar(vid)` resolves to a type, return that type. Else, return the /// universe index of `TyVar(vid)`. pub fn probe_ty_var(&self, vid: TyVid) -> Result, ty::UniverseIndex> { @@ -1415,7 +1406,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> { &self, span: Span, lbrct: LateBoundRegionConversionTime, - value: ty::Binder, + value: ty::Binder<'tcx, T>, ) -> (T, BTreeMap>) where T: TypeFoldable<'tcx>, @@ -1704,14 +1695,6 @@ impl<'tcx> TypeTrace<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), values: Consts(ExpectedFound::new(a_is_expected, a, b)) } } - - pub fn dummy(tcx: TyCtxt<'tcx>) -> TypeTrace<'tcx> { - let err = tcx.ty_error(); - TypeTrace { - cause: ObligationCause::dummy(), - values: Types(ExpectedFound { expected: err, found: err }), - } - } } impl<'tcx> SubregionOrigin<'tcx> { diff --git a/compiler/rustc_infer/src/infer/nll_relate/mod.rs b/compiler/rustc_infer/src/infer/nll_relate/mod.rs index e5eb771603cd..fc9ea07866c2 100644 --- a/compiler/rustc_infer/src/infer/nll_relate/mod.rs +++ b/compiler/rustc_infer/src/infer/nll_relate/mod.rs @@ -157,7 +157,7 @@ where fn create_scope( &mut self, - value: ty::Binder>, + value: ty::Binder<'tcx, impl Relate<'tcx>>, universally_quantified: UniversallyQuantified, ) -> BoundRegionScope<'tcx> { let mut scope = BoundRegionScope::default(); @@ -608,9 +608,9 @@ where fn binders( &mut self, - a: ty::Binder, - b: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> + a: ty::Binder<'tcx, T>, + b: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where T: Relate<'tcx>, { @@ -744,7 +744,7 @@ struct ScopeInstantiator<'me, 'tcx> { impl<'me, 'tcx> TypeVisitor<'tcx> for ScopeInstantiator<'me, 'tcx> { fn visit_binder>( &mut self, - t: &ty::Binder, + t: &ty::Binder<'tcx, T>, ) -> ControlFlow { self.target_index.shift_in(1); t.super_visit_with(self); @@ -997,9 +997,9 @@ where fn binders( &mut self, - a: ty::Binder, - _: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> + a: ty::Binder<'tcx, T>, + _: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where T: Relate<'tcx>, { diff --git a/compiler/rustc_infer/src/infer/outlives/env.rs b/compiler/rustc_infer/src/infer/outlives/env.rs index 1a9e20e79fe1..9e04773c5fa2 100644 --- a/compiler/rustc_infer/src/infer/outlives/env.rs +++ b/compiler/rustc_infer/src/infer/outlives/env.rs @@ -92,11 +92,6 @@ impl<'a, 'tcx> OutlivesEnvironment<'tcx> { &self.region_bound_pairs_map } - /// Returns ownership of the `free_region_map`. - pub fn into_free_region_map(self) -> FreeRegionMap<'tcx> { - self.free_region_map - } - /// This is a hack to support the old-skool regionck, which /// processes region constraints from the main function and the /// closure together. In that context, when we enter a closure, we diff --git a/compiler/rustc_infer/src/infer/outlives/obligations.rs b/compiler/rustc_infer/src/infer/outlives/obligations.rs index 16d86e6243de..3e2978fd170a 100644 --- a/compiler/rustc_infer/src/infer/outlives/obligations.rs +++ b/compiler/rustc_infer/src/infer/outlives/obligations.rs @@ -186,28 +186,6 @@ impl<'cx, 'tcx> InferCtxt<'cx, 'tcx> { } } } - - /// Processes a single ad-hoc region obligation that was not - /// registered in advance. - pub fn type_must_outlive( - &self, - region_bound_pairs: &RegionBoundPairs<'tcx>, - implicit_region_bound: Option>, - param_env: ty::ParamEnv<'tcx>, - origin: infer::SubregionOrigin<'tcx>, - ty: Ty<'tcx>, - region: ty::Region<'tcx>, - ) { - let outlives = &mut TypeOutlives::new( - self, - self.tcx, - region_bound_pairs, - implicit_region_bound, - param_env, - ); - let ty = self.resolve_vars_if_possible(ty); - outlives.type_must_outlive(origin, ty, region); - } } /// The `TypeOutlives` struct has the job of "lowering" a `T: 'a` diff --git a/compiler/rustc_infer/src/infer/region_constraints/mod.rs b/compiler/rustc_infer/src/infer/region_constraints/mod.rs index 2902c41a6bca..9ffcddfae994 100644 --- a/compiler/rustc_infer/src/infer/region_constraints/mod.rs +++ b/compiler/rustc_infer/src/infer/region_constraints/mod.rs @@ -309,31 +309,6 @@ pub struct RegionSnapshot { any_unifications: bool, } -/// When working with placeholder regions, we often wish to find all of -/// the regions that are either reachable from a placeholder region, or -/// which can reach a placeholder region, or both. We call such regions -/// *tainted* regions. This struct allows you to decide what set of -/// tainted regions you want. -#[derive(Debug)] -pub struct TaintDirections { - incoming: bool, - outgoing: bool, -} - -impl TaintDirections { - pub fn incoming() -> Self { - TaintDirections { incoming: true, outgoing: false } - } - - pub fn outgoing() -> Self { - TaintDirections { incoming: false, outgoing: true } - } - - pub fn both() -> Self { - TaintDirections { incoming: true, outgoing: true } - } -} - impl<'tcx> RegionConstraintStorage<'tcx> { pub fn new() -> Self { Self::default() @@ -472,11 +447,6 @@ impl<'tcx> RegionConstraintCollector<'_, 'tcx> { self.var_infos[vid].universe } - /// Returns the origin for the given variable. - pub fn var_origin(&self, vid: RegionVid) -> RegionVariableOrigin { - self.var_infos[vid].origin - } - fn add_constraint(&mut self, constraint: Constraint<'tcx>, origin: SubregionOrigin<'tcx>) { // cannot add constraints once regions are resolved debug!("RegionConstraintCollector: add_constraint({:?})", constraint); @@ -795,16 +765,6 @@ impl<'tcx> VerifyBound<'tcx> { VerifyBound::AnyBound(vec![self, vb]) } } - - pub fn and(self, vb: VerifyBound<'tcx>) -> VerifyBound<'tcx> { - if self.must_hold() && vb.must_hold() { - self - } else if self.cannot_hold() && vb.cannot_hold() { - self - } else { - VerifyBound::AllBounds(vec![self, vb]) - } - } } impl<'tcx> RegionConstraintData<'tcx> { diff --git a/compiler/rustc_infer/src/infer/resolve.rs b/compiler/rustc_infer/src/infer/resolve.rs index d72be0134fb4..48b8ee17594e 100644 --- a/compiler/rustc_infer/src/infer/resolve.rs +++ b/compiler/rustc_infer/src/infer/resolve.rs @@ -1,5 +1,6 @@ use super::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use super::{FixupError, FixupResult, InferCtxt, Span}; +use rustc_middle::mir; use rustc_middle::ty::fold::{TypeFolder, TypeVisitor}; use rustc_middle::ty::{self, Const, InferConst, Ty, TyCtxt, TypeFoldable}; @@ -46,6 +47,10 @@ impl<'a, 'tcx> TypeFolder<'tcx> for OpportunisticVarResolver<'a, 'tcx> { ct.super_fold_with(self) } } + + fn fold_mir_const(&mut self, constant: mir::ConstantKind<'tcx>) -> mir::ConstantKind<'tcx> { + constant.super_fold_with(self) + } } /// The opportunistic region resolver opportunistically resolves regions diff --git a/compiler/rustc_infer/src/infer/sub.rs b/compiler/rustc_infer/src/infer/sub.rs index 668719851583..bf5f328233df 100644 --- a/compiler/rustc_infer/src/infer/sub.rs +++ b/compiler/rustc_infer/src/infer/sub.rs @@ -162,9 +162,9 @@ impl TypeRelation<'tcx> for Sub<'combine, 'infcx, 'tcx> { fn binders( &mut self, - a: ty::Binder, - b: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> + a: ty::Binder<'tcx, T>, + b: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where T: Relate<'tcx>, { diff --git a/compiler/rustc_infer/src/infer/type_variable.rs b/compiler/rustc_infer/src/infer/type_variable.rs index 35b97fff3da1..683c1df783e6 100644 --- a/compiler/rustc_infer/src/infer/type_variable.rs +++ b/compiler/rustc_infer/src/infer/type_variable.rs @@ -146,9 +146,7 @@ impl<'tcx> TypeVariableValue<'tcx> { } } -pub(crate) struct Instantiate { - vid: ty::TyVid, -} +pub(crate) struct Instantiate; pub(crate) struct Delegate; @@ -224,7 +222,7 @@ impl<'tcx> TypeVariableTable<'_, 'tcx> { // Hack: we only need this so that `types_escaping_snapshot` // can see what has been unified; see the Delegate impl for // more details. - self.undo_log.push(Instantiate { vid }); + self.undo_log.push(Instantiate); } /// Creates a new type variable. @@ -346,56 +344,6 @@ impl<'tcx> TypeVariableTable<'_, 'tcx> { ) } - /// Finds the set of type variables that existed *before* `s` - /// but which have only been unified since `s` started, and - /// return the types with which they were unified. So if we had - /// a type variable `V0`, then we started the snapshot, then we - /// created a type variable `V1`, unified `V0` with `T0`, and - /// unified `V1` with `T1`, this function would return `{T0}`. - pub fn types_escaping_snapshot(&mut self, s: &super::Snapshot<'tcx>) -> Vec> { - let mut new_elem_threshold = u32::MAX; - let mut escaping_types = Vec::new(); - let actions_since_snapshot = self.undo_log.actions_since_snapshot(s); - debug!("actions_since_snapshot.len() = {}", actions_since_snapshot.len()); - for i in 0..actions_since_snapshot.len() { - let actions_since_snapshot = self.undo_log.actions_since_snapshot(s); - match actions_since_snapshot[i] { - super::UndoLog::TypeVariables(UndoLog::Values(sv::UndoLog::NewElem(index))) => { - // if any new variables were created during the - // snapshot, remember the lower index (which will - // always be the first one we see). Note that this - // action must precede those variables being - // specified. - new_elem_threshold = cmp::min(new_elem_threshold, index as u32); - debug!("NewElem({}) new_elem_threshold={}", index, new_elem_threshold); - } - - super::UndoLog::TypeVariables(UndoLog::Values(sv::UndoLog::Other( - Instantiate { vid, .. }, - ))) => { - if vid.index < new_elem_threshold { - // quick check to see if this variable was - // created since the snapshot started or not. - let mut eq_relations = ut::UnificationTable::with_log( - &mut self.storage.eq_relations, - &mut *self.undo_log, - ); - let escaping_type = match eq_relations.probe_value(vid) { - TypeVariableValue::Unknown { .. } => bug!(), - TypeVariableValue::Known { value } => value, - }; - escaping_types.push(escaping_type); - } - debug!("SpecifyVar({:?}) new_elem_threshold={}", vid, new_elem_threshold); - } - - _ => {} - } - } - - escaping_types - } - /// Returns indices of all variables that are not yet /// instantiated. pub fn unsolved_variables(&mut self) -> Vec { diff --git a/compiler/rustc_infer/src/infer/undo_log.rs b/compiler/rustc_infer/src/infer/undo_log.rs index 4be0e7948f70..f41e872e0048 100644 --- a/compiler/rustc_infer/src/infer/undo_log.rs +++ b/compiler/rustc_infer/src/infer/undo_log.rs @@ -165,10 +165,6 @@ impl<'tcx> InferCtxtInner<'tcx> { } impl<'tcx> InferCtxtUndoLogs<'tcx> { - pub fn actions_since_snapshot(&self, snapshot: &Snapshot<'tcx>) -> &[UndoLog<'tcx>] { - &self.logs[snapshot.undo_len..] - } - pub fn start_snapshot(&mut self) -> Snapshot<'tcx> { self.num_open_snapshots += 1; Snapshot { undo_len: self.logs.len(), _marker: PhantomData } diff --git a/compiler/rustc_infer/src/traits/mod.rs b/compiler/rustc_infer/src/traits/mod.rs index 0882d682e153..a33234a91faf 100644 --- a/compiler/rustc_infer/src/traits/mod.rs +++ b/compiler/rustc_infer/src/traits/mod.rs @@ -128,7 +128,7 @@ impl<'tcx> FulfillmentError<'tcx> { } impl<'tcx> TraitObligation<'tcx> { - pub fn self_ty(&self) -> ty::Binder> { + pub fn self_ty(&self) -> ty::Binder<'tcx, Ty<'tcx>> { self.predicate.map_bound(|p| p.self_ty()) } } diff --git a/compiler/rustc_interface/src/callbacks.rs b/compiler/rustc_interface/src/callbacks.rs index 7fa1a3eb0f59..3b852b8ccf9d 100644 --- a/compiler/rustc_interface/src/callbacks.rs +++ b/compiler/rustc_interface/src/callbacks.rs @@ -1,6 +1,6 @@ //! Throughout the compiler tree, there are several places which want to have //! access to state or queries while being inside crates that are dependencies -//! of librustc_middle. To facilitate this, we have the +//! of `rustc_middle`. To facilitate this, we have the //! `rustc_data_structures::AtomicRef` type, which allows us to setup a global //! static which can then be set in this file at program startup. //! @@ -13,8 +13,8 @@ use rustc_errors::{Diagnostic, TRACK_DIAGNOSTICS}; use rustc_middle::ty::tls; use std::fmt; -/// This is a callback from librustc_ast as it cannot access the implicit state -/// in librustc_middle otherwise. +/// This is a callback from `rustc_ast` as it cannot access the implicit state +/// in `rustc_middle` otherwise. fn span_debug(span: rustc_span::Span, f: &mut fmt::Formatter<'_>) -> fmt::Result { tls::with_opt(|tcx| { if let Some(tcx) = tcx { @@ -25,8 +25,8 @@ fn span_debug(span: rustc_span::Span, f: &mut fmt::Formatter<'_>) -> fmt::Result }) } -/// This is a callback from librustc_ast as it cannot access the implicit state -/// in librustc_middle otherwise. It is used to when diagnostic messages are +/// This is a callback from `rustc_ast` as it cannot access the implicit state +/// in `rustc_middle` otherwise. It is used to when diagnostic messages are /// emitted and stores them in the current query, if there is one. fn track_diagnostic(diagnostic: &Diagnostic) { tls::with_context_opt(|icx| { @@ -39,8 +39,8 @@ fn track_diagnostic(diagnostic: &Diagnostic) { }) } -/// This is a callback from librustc_hir as it cannot access the implicit state -/// in librustc_middle otherwise. +/// This is a callback from `rustc_hir` as it cannot access the implicit state +/// in `rustc_middle` otherwise. fn def_id_debug(def_id: rustc_hir::def_id::DefId, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "DefId({}:{}", def_id.krate, def_id.index.index())?; tls::with_opt(|opt_tcx| { diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index 94be7a03a932..02e62a2cee95 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -15,8 +15,8 @@ use rustc_expand::base::ExtCtxt; use rustc_hir::def_id::{CrateNum, LOCAL_CRATE}; use rustc_hir::definitions::Definitions; use rustc_hir::Crate; -use rustc_index::vec::IndexVec; use rustc_lint::LintStore; +use rustc_metadata::creader::CStore; use rustc_middle::arena::Arena; use rustc_middle::dep_graph::DepGraph; use rustc_middle::middle; @@ -788,13 +788,7 @@ pub fn create_global_ctxt<'tcx>( callback(sess, &mut local_providers, &mut extern_providers); } - let queries = { - let crates = resolver_outputs.cstore.crates_untracked(); - let max_cnum = crates.iter().map(|c| c.as_usize()).max().unwrap_or(0); - let mut providers = IndexVec::from_elem_n(extern_providers, max_cnum + 1); - providers[LOCAL_CRATE] = local_providers; - queries.get_or_init(|| TcxQueries::new(providers, extern_providers)) - }; + let queries = queries.get_or_init(|| TcxQueries::new(local_providers, extern_providers)); let gcx = sess.time("setup_global_ctxt", || { global_ctxt.get_or_init(|| { @@ -838,6 +832,12 @@ fn analysis(tcx: TyCtxt<'_>, cnum: CrateNum) -> Result<()> { }); sess.time("looking_for_derive_registrar", || proc_macro_decls::find(tcx)); + + let cstore = tcx + .cstore_as_any() + .downcast_ref::() + .expect("`tcx.cstore` is not a `CStore`"); + cstore.report_unused_deps(tcx); }, { par_iter(&tcx.hir().krate().modules).for_each(|(&module, _)| { @@ -1028,9 +1028,6 @@ pub fn start_codegen<'tcx>( rustc_symbol_mangling::test::report_symbol_names(tcx); } - tcx.sess.time("assert_dep_graph", || rustc_incremental::assert_dep_graph(tcx)); - tcx.sess.time("serialize_dep_graph", || rustc_incremental::save_dep_graph(tcx)); - info!("Post-codegen\n{:?}", tcx.debug_stats()); if tcx.sess.opts.output_types.contains_key(&OutputType::Mir) { diff --git a/compiler/rustc_interface/src/queries.rs b/compiler/rustc_interface/src/queries.rs index 9c38d2b91ab3..bb063af983e8 100644 --- a/compiler/rustc_interface/src/queries.rs +++ b/compiler/rustc_interface/src/queries.rs @@ -207,7 +207,13 @@ impl<'tcx> Queries<'tcx> { }) .open(self.session()) }); - DepGraph::new(prev_graph, prev_work_products) + + rustc_incremental::build_dep_graph( + self.session(), + prev_graph, + prev_work_products, + ) + .unwrap_or_else(DepGraph::new_disabled) } }) }) @@ -396,6 +402,10 @@ impl Linker { } if sess.opts.debugging_opts.no_link { + use rustc_codegen_ssa::CodegenResults; + let codegen_results = codegen_results + .downcast::() + .expect("Expected CodegenResults, found Box"); // FIXME: use a binary format to encode the `.rlink` file let rlink_data = json::encode(&codegen_results).map_err(|err| { sess.fatal(&format!("failed to encode rlink: {}", err)); @@ -435,6 +445,9 @@ impl Compiler { if self.session().opts.debugging_opts.query_stats { gcx.enter(rustc_query_impl::print_stats); } + + self.session() + .time("serialize_dep_graph", || gcx.enter(rustc_incremental::save_dep_graph)); } _timer = Some(self.session().timer("free_global_ctxt")); diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs index 8e6a1ec50951..2270b2b33e2b 100644 --- a/compiler/rustc_interface/src/tests.rs +++ b/compiler/rustc_interface/src/tests.rs @@ -8,7 +8,7 @@ use rustc_session::config::{build_configuration, build_session_options, to_crate use rustc_session::config::{rustc_optgroups, ErrorOutputType, ExternLocation, Options, Passes}; use rustc_session::config::{CFGuard, ExternEntry, LinkerPluginLto, LtoCli, SwitchWithOptPath}; use rustc_session::config::{ - Externs, OutputType, OutputTypes, SanitizerSet, SymbolManglingVersion, WasiExecModel, + Externs, OutputType, OutputTypes, SymbolManglingVersion, WasiExecModel, }; use rustc_session::lint::Level; use rustc_session::search_paths::SearchPath; @@ -18,7 +18,7 @@ use rustc_span::edition::{Edition, DEFAULT_EDITION}; use rustc_span::symbol::sym; use rustc_span::SourceFileHashAlgorithm; use rustc_target::spec::{CodeModel, LinkerFlavor, MergeFunctions, PanicStrategy}; -use rustc_target::spec::{RelocModel, RelroLevel, SplitDebuginfo, TlsModel}; +use rustc_target::spec::{RelocModel, RelroLevel, SanitizerSet, SplitDebuginfo, TlsModel}; use std::collections::{BTreeMap, BTreeSet}; use std::iter::FromIterator; use std::num::NonZeroUsize; @@ -471,7 +471,6 @@ fn test_debugging_options_tracking_hash() { untracked!(ast_json, true); untracked!(ast_json_noexpand, true); untracked!(borrowck, String::from("other")); - untracked!(borrowck_stats, true); untracked!(deduplicate_diagnostics, true); untracked!(dep_tasks, true); untracked!(dont_buffer_diagnostics, true); diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index 341cfa479002..59488fc80a5e 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -265,7 +265,7 @@ pub fn get_codegen_backend(sopts: &config::Options) -> Box { let backend = match codegen_name { filename if filename.contains('.') => load_backend_from_dylib(filename.as_ref()), - codegen_name => get_builtin_codegen_backend(codegen_name), + codegen_name => get_builtin_codegen_backend(&sopts.maybe_sysroot, codegen_name), }; unsafe { @@ -390,15 +390,21 @@ fn sysroot_candidates() -> Vec { } } -pub fn get_builtin_codegen_backend(backend_name: &str) -> fn() -> Box { +pub fn get_builtin_codegen_backend( + maybe_sysroot: &Option, + backend_name: &str, +) -> fn() -> Box { match backend_name { #[cfg(feature = "llvm")] "llvm" => rustc_codegen_llvm::LlvmCodegenBackend::new, - _ => get_codegen_sysroot(backend_name), + _ => get_codegen_sysroot(maybe_sysroot, backend_name), } } -pub fn get_codegen_sysroot(backend_name: &str) -> fn() -> Box { +pub fn get_codegen_sysroot( + maybe_sysroot: &Option, + backend_name: &str, +) -> fn() -> Box { // For now we only allow this function to be called once as it'll dlopen a // few things, which seems to work best if we only do that once. In // general this assertion never trips due to the once guard in `get_codegen_backend`, @@ -413,8 +419,9 @@ pub fn get_codegen_sysroot(backend_name: &str) -> fn() -> Box fn() -> Box = None; - let expected_name = - format!("rustc_codegen_{}-{}", backend_name, release_str().expect("CFG_RELEASE")); + let expected_names = &[ + format!("rustc_codegen_{}-{}", backend_name, release_str().expect("CFG_RELEASE")), + format!("rustc_codegen_{}", backend_name), + ]; for entry in d.filter_map(|e| e.ok()) { let path = entry.path(); let filename = match path.file_name().and_then(|s| s.to_str()) { @@ -462,7 +471,7 @@ pub fn get_codegen_sysroot(backend_name: &str) -> fn() -> Box bool { return false; } - if attr.is_value_str() { + if attr.value_str().is_some() { return true; } @@ -565,7 +565,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc { } fn check_crate(&mut self, cx: &LateContext<'_>, krate: &hir::Crate<'_>) { - self.check_missing_docs_attrs(cx, hir::CRATE_HIR_ID, krate.item.span, "the", "crate"); + self.check_missing_docs_attrs(cx, hir::CRATE_HIR_ID, krate.item.inner, "the", "crate"); for macro_def in krate.exported_macros { let attrs = cx.tcx.hir().attrs(macro_def.hir_id()); @@ -989,7 +989,7 @@ fn warn_if_doc(cx: &EarlyContext<'_>, node_span: Span, node_kind: &str, attrs: & Some(sugared_span.map_or(attr.span, |span| span.with_hi(attr.span.hi()))); } - if attrs.peek().map(|next_attr| next_attr.is_doc_comment()).unwrap_or_default() { + if attrs.peek().map_or(false, |next_attr| next_attr.is_doc_comment()) { continue; } diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index cf2f1489e029..b3a19bfbf753 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -177,6 +177,7 @@ impl LintStore { self.early_passes.push(Box::new(pass)); } + /// Used by clippy. pub fn register_pre_expansion_pass( &mut self, pass: impl Fn() -> EarlyLintPassObject + 'static + sync::Send + sync::Sync, @@ -708,6 +709,9 @@ pub trait LintContext: Sized { BuiltinLintDiagnostics::ProcMacroBackCompat(note) => { db.note(¬e); } + BuiltinLintDiagnostics::OrPatternsBackCompat(span,suggestion) => { + db.span_suggestion(span, "use pat2015 to preserve semantics", suggestion, Applicability::MachineApplicable); + } } // Rewrap `db`, and pass control to the user. decorate(LintDiagnosticBuilder::new(db)); @@ -862,6 +866,8 @@ impl<'tcx> LateContext<'tcx> { /// // The given `def_id` is that of an `Option` type /// } /// ``` + /// + /// Used by clippy, but should be replaced by diagnostic items eventually. pub fn match_def_path(&self, def_id: DefId, path: &[Symbol]) -> bool { let names = self.get_def_path(def_id); @@ -906,7 +912,7 @@ impl<'tcx> LateContext<'tcx> { fn print_dyn_existential( self, - _predicates: &'tcx ty::List>>, + _predicates: &'tcx ty::List>>, ) -> Result { Ok(()) } diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs index a332c3007870..863023fa7b54 100644 --- a/compiler/rustc_lint/src/levels.rs +++ b/compiler/rustc_lint/src/levels.rs @@ -564,10 +564,6 @@ impl<'s> LintLevelsBuilder<'s> { self.id_to_set.insert(id, self.cur); } - pub fn build(self) -> LintLevelSets { - self.sets - } - pub fn build_map(self) -> LintLevelMap { LintLevelMap { sets: self.sets, id_to_set: self.id_to_set } } diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 4eaee7bf6e85..27724b4965c3 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -547,7 +547,7 @@ declare_lint! { /// Also consider if you intended to use an _inner attribute_ (with a `!` /// such as `#![allow(unused)]`) which applies to the item the attribute /// is within, or an _outer attribute_ (without a `!` such as - /// `#[allow(unsued)]`) which applies to the item *following* the + /// `#[allow(unused)]`) which applies to the item *following* the /// attribute. /// /// [attributes]: https://doc.rust-lang.org/reference/attributes.html @@ -2959,6 +2959,7 @@ declare_lint_pass! { DISJOINT_CAPTURE_DROP_REORDER, LEGACY_DERIVE_HELPERS, PROC_MACRO_BACK_COMPAT, + OR_PATTERNS_BACK_COMPAT, ] } @@ -3136,3 +3137,37 @@ declare_lint! { }) }; } + +declare_lint! { + /// The `or_patterns_back_compat` lint detects usage of old versions of or-patterns. + /// + /// ### Example + /// + /// ```rust,compile_fail + /// #![deny(or_patterns_back_compat)] + /// macro_rules! match_any { + /// ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => { + /// match $expr { + /// $( + /// $( $pat => $expr_arm, )+ + /// )+ + /// } + /// }; + /// } + /// + /// fn main() { + /// let result: Result = Err(42); + /// let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into()); + /// assert_eq!(int, 42); + /// } + /// ``` + /// + /// {{produces}} + /// + /// ### Explanation + /// + /// In Rust 2021, the pat matcher will match new patterns, which include the | character. + pub OR_PATTERNS_BACK_COMPAT, + Allow, + "detects usage of old versions of or-patterns", +} diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 400b367095ec..70475563a4ab 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -267,6 +267,7 @@ pub enum BuiltinLintDiagnostics { LegacyDeriveHelpers(Span), ExternDepSpec(String, ExternDepSpec), ProcMacroBackCompat(String), + OrPatternsBackCompat(Span, String), } /// Lints that are buffered up early on in the `Session` before the diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp index 2bb22fd4447f..d6db69c748fb 100644 --- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp @@ -1636,6 +1636,10 @@ extern "C" void LLVMRustSetVisibility(LLVMValueRef V, LLVMSetVisibility(V, fromRust(RustVisibility)); } +extern "C" void LLVMRustSetDSOLocal(LLVMValueRef Global, bool is_dso_local) { + unwrap(Global)->setDSOLocal(is_dso_local); +} + struct LLVMRustModuleBuffer { std::string data; }; diff --git a/compiler/rustc_metadata/Cargo.toml b/compiler/rustc_metadata/Cargo.toml index 48effed92749..29fa0b700699 100644 --- a/compiler/rustc_metadata/Cargo.toml +++ b/compiler/rustc_metadata/Cargo.toml @@ -11,7 +11,6 @@ doctest = false libc = "0.2" snap = "1" tracing = "0.1" -memmap2 = "0.2.1" smallvec = { version = "1.6.1", features = ["union", "may_dangle"] } rustc_middle = { path = "../rustc_middle" } rustc_attr = { path = "../rustc_attr" } diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index 9578f5d58638..26db3a5f39d7 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -46,6 +46,9 @@ pub struct CStore { /// This map is used to verify we get no hash conflicts between /// `StableCrateId` values. stable_crate_ids: FxHashMap, + + /// Unused externs of the crate + unused_externs: Vec, } pub struct CrateLoader<'a> { @@ -190,6 +193,27 @@ impl CStore { crate fn has_global_allocator(&self) -> bool { self.has_global_allocator } + + pub fn report_unused_deps(&self, tcx: TyCtxt<'_>) { + // We put the check for the option before the lint_level_at_node call + // because the call mutates internal state and introducing it + // leads to some ui tests failing. + if !tcx.sess.opts.json_unused_externs { + return; + } + let level = tcx + .lint_level_at_node(lint::builtin::UNUSED_CRATE_DEPENDENCIES, rustc_hir::CRATE_HIR_ID) + .0; + if level != lint::Level::Allow { + let unused_externs = + self.unused_externs.iter().map(|ident| ident.to_ident_string()).collect::>(); + let unused_externs = unused_externs.iter().map(String::as_str).collect::>(); + tcx.sess + .parse_sess + .span_diagnostic + .emit_unused_externs(level.as_str(), &unused_externs); + } + } } impl<'a> CrateLoader<'a> { @@ -217,6 +241,7 @@ impl<'a> CrateLoader<'a> { allocator_kind: None, has_global_allocator: false, stable_crate_ids, + unused_externs: Vec::new(), }, used_extern_options: Default::default(), } @@ -904,11 +929,17 @@ impl<'a> CrateLoader<'a> { // Don't worry about pathless `--extern foo` sysroot references continue; } - if self.used_extern_options.contains(&Symbol::intern(name)) { + let name_interned = Symbol::intern(name); + if self.used_extern_options.contains(&name_interned) { continue; } // Got a real unused --extern + if self.sess.opts.json_unused_externs { + self.cstore.unused_externs.push(name_interned); + continue; + } + let diag = match self.sess.opts.extern_dep_specs.get(name) { Some(loc) => BuiltinLintDiagnostics::ExternDepSpec(name.clone(), loc.into()), None => { @@ -941,9 +972,9 @@ impl<'a> CrateLoader<'a> { self.inject_allocator_crate(krate); self.inject_panic_runtime(krate); - info!("{:?}", CrateDump(&self.cstore)); - self.report_unused_deps(krate); + + info!("{:?}", CrateDump(&self.cstore)); } pub fn process_extern_crate( diff --git a/compiler/rustc_metadata/src/lib.rs b/compiler/rustc_metadata/src/lib.rs index fe93f4230e95..c4d9e3f77f07 100644 --- a/compiler/rustc_metadata/src/lib.rs +++ b/compiler/rustc_metadata/src/lib.rs @@ -26,7 +26,6 @@ pub use rmeta::{provide, provide_extern}; mod dependency_format; mod foreign_modules; -mod link_args; mod native_libs; mod rmeta; diff --git a/compiler/rustc_metadata/src/link_args.rs b/compiler/rustc_metadata/src/link_args.rs deleted file mode 100644 index 9e1ac33368c7..000000000000 --- a/compiler/rustc_metadata/src/link_args.rs +++ /dev/null @@ -1,57 +0,0 @@ -use rustc_hir as hir; -use rustc_hir::itemlikevisit::ItemLikeVisitor; -use rustc_middle::ty::TyCtxt; -use rustc_span::symbol::{sym, Symbol}; -use rustc_target::spec::abi::Abi; - -crate fn collect(tcx: TyCtxt<'_>) -> Vec { - let mut collector = Collector { tcx, args: Vec::new() }; - tcx.hir().krate().visit_all_item_likes(&mut collector); - - for attr in tcx.hir().attrs(hir::CRATE_HIR_ID).iter() { - if attr.has_name(sym::link_args) { - if let Some(linkarg) = attr.value_str() { - collector.add_link_args(linkarg); - } - } - } - - collector.args -} - -struct Collector<'tcx> { - tcx: TyCtxt<'tcx>, - args: Vec, -} - -impl<'tcx> ItemLikeVisitor<'tcx> for Collector<'tcx> { - fn visit_item(&mut self, it: &'tcx hir::Item<'tcx>) { - let abi = match it.kind { - hir::ItemKind::ForeignMod { abi, .. } => abi, - _ => return, - }; - if abi == Abi::Rust || abi == Abi::RustIntrinsic || abi == Abi::PlatformIntrinsic { - return; - } - - // First, add all of the custom #[link_args] attributes - let sess = &self.tcx.sess; - for m in - self.tcx.hir().attrs(it.hir_id()).iter().filter(|a| sess.check_name(a, sym::link_args)) - { - if let Some(linkarg) = m.value_str() { - self.add_link_args(linkarg); - } - } - } - - fn visit_trait_item(&mut self, _it: &'tcx hir::TraitItem<'tcx>) {} - fn visit_impl_item(&mut self, _it: &'tcx hir::ImplItem<'tcx>) {} - fn visit_foreign_item(&mut self, _it: &'tcx hir::ForeignItem<'tcx>) {} -} - -impl<'tcx> Collector<'tcx> { - fn add_link_args(&mut self, args: Symbol) { - self.args.extend(args.as_str().split(' ').filter(|s| !s.is_empty()).map(|s| s.to_string())) - } -} diff --git a/compiler/rustc_metadata/src/locator.rs b/compiler/rustc_metadata/src/locator.rs index 39a39917f578..7f6311861c1b 100644 --- a/compiler/rustc_metadata/src/locator.rs +++ b/compiler/rustc_metadata/src/locator.rs @@ -216,6 +216,7 @@ use crate::creader::Library; use crate::rmeta::{rustc_version, MetadataBlob, METADATA_HEADER}; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_data_structures::memmap::Mmap; use rustc_data_structures::owning_ref::OwningRef; use rustc_data_structures::svh::Svh; use rustc_data_structures::sync::MetadataRef; @@ -232,7 +233,6 @@ use rustc_target::spec::{Target, TargetTriple}; use snap::read::FrameDecoder; use std::io::{Read, Result as IoResult, Write}; -use std::ops::Deref; use std::path::{Path, PathBuf}; use std::{cmp, fmt, fs}; use tracing::{debug, info, warn}; @@ -727,19 +727,6 @@ impl<'a> CrateLocator<'a> { } } -/// A trivial wrapper for `Mmap` that implements `StableDeref`. -struct StableDerefMmap(memmap2::Mmap); - -impl Deref for StableDerefMmap { - type Target = [u8]; - - fn deref(&self) -> &[u8] { - self.0.deref() - } -} - -unsafe impl stable_deref_trait::StableDeref for StableDerefMmap {} - fn get_metadata_section( target: &Target, flavor: CrateFlavor, @@ -779,11 +766,11 @@ fn get_metadata_section( // mmap the file, because only a small fraction of it is read. let file = std::fs::File::open(filename) .map_err(|_| format!("failed to open rmeta metadata: '{}'", filename.display()))?; - let mmap = unsafe { memmap2::Mmap::map(&file) }; + let mmap = unsafe { Mmap::map(file) }; let mmap = mmap .map_err(|_| format!("failed to mmap rmeta metadata: '{}'", filename.display()))?; - rustc_erase_owner!(OwningRef::new(StableDerefMmap(mmap)).map_owner_box()) + rustc_erase_owner!(OwningRef::new(mmap).map_owner_box()) } }; let blob = MetadataBlob::new(raw_bytes); diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index e10041a29714..bebee9dac3b7 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -1,6 +1,5 @@ use crate::creader::{CStore, LoadedMacro}; use crate::foreign_modules; -use crate::link_args; use crate::native_libs; use crate::rmeta::{self, encoder}; @@ -295,10 +294,6 @@ pub fn provide(providers: &mut Providers) { foreign_modules::collect(tcx).into_iter().map(|m| (m.def_id, m)).collect(); Lrc::new(modules) }, - link_args: |tcx, cnum| { - assert_eq!(cnum, LOCAL_CRATE); - Lrc::new(link_args::collect(tcx)) - }, // Returns a map from a sufficiently visible external item (i.e., an // external item that is visible from at least one local module) to a diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index d055c275299a..a5157854e15c 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -427,7 +427,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { fn encode_info_for_items(&mut self) { let krate = self.tcx.hir().krate(); - self.encode_info_for_mod(CRATE_DEF_ID, &krate.item.module); + self.encode_info_for_mod(CRATE_DEF_ID, &krate.item); // Proc-macro crates only export proc-macro items, which are looked // up using `proc_macro_data` diff --git a/compiler/rustc_middle/src/dep_graph/mod.rs b/compiler/rustc_middle/src/dep_graph/mod.rs index c688b23be1d0..d2fe9af34fb6 100644 --- a/compiler/rustc_middle/src/dep_graph/mod.rs +++ b/compiler/rustc_middle/src/dep_graph/mod.rs @@ -8,8 +8,8 @@ use rustc_session::Session; mod dep_node; pub use rustc_query_system::dep_graph::{ - debug, hash_result, DepContext, DepNodeColor, DepNodeIndex, SerializedDepNodeIndex, - WorkProduct, WorkProductId, + debug::DepNodeFilter, hash_result, DepContext, DepNodeColor, DepNodeIndex, + SerializedDepNodeIndex, WorkProduct, WorkProductId, }; crate use dep_node::make_compile_codegen_unit; @@ -20,6 +20,7 @@ pub type TaskDeps = rustc_query_system::dep_graph::TaskDeps; pub type DepGraphQuery = rustc_query_system::dep_graph::DepGraphQuery; pub type PreviousDepGraph = rustc_query_system::dep_graph::PreviousDepGraph; pub type SerializedDepGraph = rustc_query_system::dep_graph::SerializedDepGraph; +pub type EdgeFilter = rustc_query_system::dep_graph::debug::EdgeFilter; impl rustc_query_system::dep_graph::DepKind for DepKind { const NULL: Self = DepKind::Null; diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 9d00f0715a01..d155276051e4 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -459,7 +459,7 @@ impl<'hir> Map<'hir> { let hir_id = self.local_def_id_to_hir_id(module); match self.get_entry(hir_id).node { Node::Item(&Item { span, kind: ItemKind::Mod(ref m), .. }) => (m, span, hir_id), - Node::Crate(item) => (&item.module, item.span, hir_id), + Node::Crate(item) => (&item, item.inner, hir_id), node => panic!("not a module: {:?}", node), } } @@ -550,24 +550,6 @@ impl<'hir> Map<'hir> { ParentHirIterator { current_id, map: self } } - /// Checks if the node is an argument. An argument is a local variable whose - /// immediate parent is an item or a closure. - pub fn is_argument(&self, id: HirId) -> bool { - match self.find(id) { - Some(Node::Binding(_)) => (), - _ => return false, - } - matches!( - self.find(self.get_parent_node(id)), - Some( - Node::Item(_) - | Node::TraitItem(_) - | Node::ImplItem(_) - | Node::Expr(Expr { kind: ExprKind::Closure(..), .. }), - ) - ) - } - /// Checks if the node is left-hand side of an assignment. pub fn is_lhs(&self, id: HirId) -> bool { match self.find(self.get_parent_node(id)) { @@ -779,17 +761,6 @@ impl<'hir> Map<'hir> { } } - pub fn expect_variant_data(&self, id: HirId) -> &'hir VariantData<'hir> { - match self.find(id) { - Some( - Node::Ctor(vd) - | Node::Item(Item { kind: ItemKind::Struct(vd, _) | ItemKind::Union(vd, _), .. }), - ) => vd, - Some(Node::Variant(variant)) => &variant.data, - _ => bug!("expected struct or variant, found {}", self.node_to_string(id)), - } - } - pub fn expect_variant(&self, id: HirId) -> &'hir Variant<'hir> { match self.find(id) { Some(Node::Variant(variant)) => variant, @@ -897,7 +868,7 @@ impl<'hir> Map<'hir> { Node::Visibility(v) => bug!("unexpected Visibility {:?}", v), Node::Local(local) => local.span, Node::MacroDef(macro_def) => macro_def.span, - Node::Crate(item) => item.span, + Node::Crate(item) => item.inner, }; Some(span) } diff --git a/compiler/rustc_middle/src/ich/hcx.rs b/compiler/rustc_middle/src/ich/hcx.rs index cf29d21927c0..b2fef731b7e2 100644 --- a/compiler/rustc_middle/src/ich/hcx.rs +++ b/compiler/rustc_middle/src/ich/hcx.rs @@ -119,11 +119,6 @@ impl<'a> StableHashingContext<'a> { Self::new_with_or_without_spans(sess, krate, definitions, cstore, always_ignore_spans) } - #[inline] - pub fn sess(&self) -> &'a Session { - self.sess - } - #[inline] pub fn while_hashing_hir_bodies(&mut self, hash_bodies: bool, f: F) { let prev_hash_bodies = self.hash_bodies; diff --git a/compiler/rustc_middle/src/ich/impls_ty.rs b/compiler/rustc_middle/src/ich/impls_ty.rs index 573b514e8445..8e53e4ba9480 100644 --- a/compiler/rustc_middle/src/ich/impls_ty.rs +++ b/compiler/rustc_middle/src/ich/impls_ty.rs @@ -70,16 +70,16 @@ impl<'a> HashStable> for ty::RegionKind { ty::ReEmpty(universe) => { universe.hash_stable(hcx, hasher); } - ty::ReLateBound(db, ty::BoundRegion { kind: ty::BrAnon(i) }) => { + ty::ReLateBound(db, ty::BoundRegion { kind: ty::BrAnon(i), .. }) => { db.hash_stable(hcx, hasher); i.hash_stable(hcx, hasher); } - ty::ReLateBound(db, ty::BoundRegion { kind: ty::BrNamed(def_id, name) }) => { + ty::ReLateBound(db, ty::BoundRegion { kind: ty::BrNamed(def_id, name), .. }) => { db.hash_stable(hcx, hasher); def_id.hash_stable(hcx, hasher); name.hash_stable(hcx, hasher); } - ty::ReLateBound(db, ty::BoundRegion { kind: ty::BrEnv }) => { + ty::ReLateBound(db, ty::BoundRegion { kind: ty::BrEnv, .. }) => { db.hash_stable(hcx, hasher); } ty::ReEarlyBound(ty::EarlyBoundRegion { def_id, index, name }) => { @@ -118,12 +118,13 @@ impl<'tcx> HashStable> for ty::BoundVar { } } -impl<'a, T> HashStable> for ty::Binder +impl<'a, 'tcx, T> HashStable> for ty::Binder<'tcx, T> where T: HashStable>, { fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) { self.as_ref().skip_binder().hash_stable(hcx, hasher); + self.bound_vars().hash_stable(hcx, hasher); } } diff --git a/compiler/rustc_middle/src/infer/canonical.rs b/compiler/rustc_middle/src/infer/canonical.rs index 8a13ceec2211..5df2f91f09ff 100644 --- a/compiler/rustc_middle/src/infer/canonical.rs +++ b/compiler/rustc_middle/src/infer/canonical.rs @@ -228,20 +228,12 @@ impl Certainty { Certainty::Ambiguous => false, } } - - pub fn is_ambiguous(&self) -> bool { - !self.is_proven() - } } impl<'tcx, R> QueryResponse<'tcx, R> { pub fn is_proven(&self) -> bool { self.certainty.is_proven() } - - pub fn is_ambiguous(&self) -> bool { - !self.is_proven() - } } impl<'tcx, R> Canonical<'tcx, QueryResponse<'tcx, R>> { @@ -285,7 +277,7 @@ impl<'tcx, V> Canonical<'tcx, V> { } pub type QueryOutlivesConstraint<'tcx> = - ty::Binder, Region<'tcx>>>; + ty::Binder<'tcx, ty::OutlivesPredicate, Region<'tcx>>>; TrivialTypeFoldableAndLiftImpls! { for <'tcx> { @@ -322,7 +314,8 @@ impl<'tcx> CanonicalVarValues<'tcx> { tcx.mk_ty(ty::Bound(ty::INNERMOST, ty::BoundVar::from_u32(i).into())).into() } GenericArgKind::Lifetime(..) => { - let br = ty::BoundRegion { kind: ty::BrAnon(i) }; + let br = + ty::BoundRegion { var: ty::BoundVar::from_u32(i), kind: ty::BrAnon(i) }; tcx.mk_region(ty::ReLateBound(ty::INNERMOST, br)).into() } GenericArgKind::Const(ct) => tcx diff --git a/compiler/rustc_middle/src/infer/unify_key.rs b/compiler/rustc_middle/src/infer/unify_key.rs index 8318bdefc8e1..641cf23781e2 100644 --- a/compiler/rustc_middle/src/infer/unify_key.rs +++ b/compiler/rustc_middle/src/infer/unify_key.rs @@ -97,13 +97,6 @@ impl<'tcx> ConstVariableValue<'tcx> { ConstVariableValue::Known { value } => Some(value), } } - - pub fn is_unknown(&self) -> bool { - match *self { - ConstVariableValue::Unknown { .. } => true, - ConstVariableValue::Known { .. } => false, - } - } } #[derive(Copy, Clone, Debug)] diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index bd0749792db8..1db03e9165b8 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -29,7 +29,6 @@ #![feature(bool_to_option)] #![feature(box_patterns)] #![feature(box_syntax)] -#![feature(cmp_min_max_by)] #![feature(const_fn)] #![feature(const_panic)] #![feature(core_intrinsics)] diff --git a/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs b/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs index 5f2ffda642ce..7024d9a3d21d 100644 --- a/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs +++ b/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs @@ -1,7 +1,7 @@ use crate::mir::mono::Linkage; use rustc_attr::{InlineAttr, InstructionSetAttr, OptimizeAttr}; -use rustc_session::config::SanitizerSet; use rustc_span::symbol::Symbol; +use rustc_target::spec::SanitizerSet; #[derive(Clone, TyEncodable, TyDecodable, HashStable, Debug)] pub struct CodegenFnAttrs { @@ -38,6 +38,9 @@ pub struct CodegenFnAttrs { /// be generated against a specific instruction set. Only usable on architectures which allow /// switching between multiple instruction sets. pub instruction_set: Option, + /// The `#[repr(align(...))]` attribute. Indicates the value of which the function should be + /// aligned to. + pub alignment: Option, } bitflags! { @@ -103,6 +106,7 @@ impl CodegenFnAttrs { link_section: None, no_sanitize: SanitizerSet::empty(), instruction_set: None, + alignment: None, } } diff --git a/compiler/rustc_middle/src/middle/region.rs b/compiler/rustc_middle/src/middle/region.rs index eb48198991c2..5440e63543d4 100644 --- a/compiler/rustc_middle/src/middle/region.rs +++ b/compiler/rustc_middle/src/middle/region.rs @@ -430,6 +430,8 @@ impl ScopeTree { /// Returns `true` if `subscope` is equal to or is lexically nested inside `superscope`, and /// `false` otherwise. + /// + /// Used by clippy. pub fn is_subscope_of(&self, subscope: Scope, superscope: Scope) -> bool { let mut s = subscope; debug!("is_subscope_of({:?}, {:?})", subscope, superscope); diff --git a/compiler/rustc_middle/src/middle/resolve_lifetime.rs b/compiler/rustc_middle/src/middle/resolve_lifetime.rs index 32615f6c410c..aa6488b329eb 100644 --- a/compiler/rustc_middle/src/middle/resolve_lifetime.rs +++ b/compiler/rustc_middle/src/middle/resolve_lifetime.rs @@ -39,8 +39,13 @@ impl LifetimeDefOrigin { pub enum Region { Static, EarlyBound(/* index */ u32, /* lifetime decl */ DefId, LifetimeDefOrigin), - LateBound(ty::DebruijnIndex, /* lifetime decl */ DefId, LifetimeDefOrigin), - LateBoundAnon(ty::DebruijnIndex, /* anon index */ u32), + LateBound( + ty::DebruijnIndex, + /* late-bound index */ u32, + /* lifetime decl */ DefId, + LifetimeDefOrigin, + ), + LateBoundAnon(ty::DebruijnIndex, /* late-bound index */ u32, /* anon index */ u32), Free(DefId, /* lifetime decl */ DefId), } @@ -78,4 +83,6 @@ pub struct ResolveLifetimes { /// be late-bound if (a) it does NOT appear in a where-clause and /// (b) it DOES appear in the arguments. pub late_bound: FxHashMap>, + + pub late_bound_vars: FxHashMap>>, } diff --git a/compiler/rustc_middle/src/middle/stability.rs b/compiler/rustc_middle/src/middle/stability.rs index 89ca8eed39a9..fc9a2970e00a 100644 --- a/compiler/rustc_middle/src/middle/stability.rs +++ b/compiler/rustc_middle/src/middle/stability.rs @@ -29,12 +29,6 @@ pub enum StabilityLevel { Stable, } -impl StabilityLevel { - pub fn from_attr_level(level: &attr::StabilityLevel) -> Self { - if level.is_stable() { Stable } else { Unstable } - } -} - /// An entry in the `depr_map`. #[derive(Clone, HashStable, Debug)] pub struct DeprecationEntry { diff --git a/compiler/rustc_middle/src/mir/coverage.rs b/compiler/rustc_middle/src/mir/coverage.rs index eae02a8cbfcf..ddb1a84fe7bd 100644 --- a/compiler/rustc_middle/src/mir/coverage.rs +++ b/compiler/rustc_middle/src/mir/coverage.rs @@ -41,8 +41,16 @@ rustc_index::newtype_index! { } impl CounterValueReference { - // Counters start at 1 to reserve 0 for ExpressionOperandId::ZERO. + /// Counters start at 1 to reserve 0 for ExpressionOperandId::ZERO. pub const START: Self = Self::from_u32(1); + + /// Returns explicitly-requested zero-based version of the counter id, used + /// during codegen. LLVM expects zero-based indexes. + pub fn zero_based_index(&self) -> u32 { + let one_based_index = self.as_u32(); + debug_assert!(one_based_index > 0); + one_based_index - 1 + } } rustc_index::newtype_index! { @@ -117,17 +125,9 @@ impl CoverageKind { } } - pub fn is_counter(&self) -> bool { - matches!(self, Self::Counter { .. }) - } - pub fn is_expression(&self) -> bool { matches!(self, Self::Expression { .. }) } - - pub fn is_unreachable(&self) -> bool { - *self == Self::Unreachable - } } impl Debug for CoverageKind { @@ -183,3 +183,13 @@ pub enum Op { Subtract, Add, } + +impl Op { + pub fn is_add(&self) -> bool { + matches!(self, Self::Add) + } + + pub fn is_subtract(&self) -> bool { + matches!(self, Self::Subtract) + } +} diff --git a/compiler/rustc_middle/src/mir/interpret/value.rs b/compiler/rustc_middle/src/mir/interpret/value.rs index 5172dfd041ae..888777a9418b 100644 --- a/compiler/rustc_middle/src/mir/interpret/value.rs +++ b/compiler/rustc_middle/src/mir/interpret/value.rs @@ -307,16 +307,6 @@ impl<'tcx, Tag> Scalar { .unwrap_or_else(|| bug!("Signed value {:#x} does not fit in {} bits", i, size.bits())) } - #[inline] - pub fn from_i8(i: i8) -> Self { - Self::from_int(i, Size::from_bits(8)) - } - - #[inline] - pub fn from_i16(i: i16) -> Self { - Self::from_int(i, Size::from_bits(16)) - } - #[inline] pub fn from_i32(i: i32) -> Self { Self::from_int(i, Size::from_bits(32)) diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs index 807d63948003..89f456400940 100644 --- a/compiler/rustc_middle/src/mir/mod.rs +++ b/compiler/rustc_middle/src/mir/mod.rs @@ -379,24 +379,6 @@ impl<'tcx> Body<'tcx> { } } - /// Returns an iterator over all temporaries. - #[inline] - pub fn temps_iter<'a>(&'a self) -> impl Iterator + 'a { - (self.arg_count + 1..self.local_decls.len()).filter_map(move |index| { - let local = Local::new(index); - if self.local_decls[local].is_user_variable() { None } else { Some(local) } - }) - } - - /// Returns an iterator over all user-declared locals. - #[inline] - pub fn vars_iter<'a>(&'a self) -> impl Iterator + 'a { - (self.arg_count + 1..self.local_decls.len()).filter_map(move |index| { - let local = Local::new(index); - self.local_decls[local].is_user_variable().then_some(local) - }) - } - /// Returns an iterator over all user-declared mutable locals. #[inline] pub fn mut_vars_iter<'a>(&'a self) -> impl Iterator + 'a { @@ -1231,7 +1213,7 @@ pub enum InlineAsmOperand<'tcx> { out_place: Option>, }, Const { - value: Operand<'tcx>, + value: Box>, }, SymFn { value: Box>, @@ -1500,7 +1482,7 @@ pub enum StatementKind<'tcx> { /// /// Note that this also is emitted for regular `let` bindings to ensure that locals that are /// never accessed still get some sanity checks for, e.g., `let x: ! = ..;` - FakeRead(FakeReadCause, Box>), + FakeRead(Box<(FakeReadCause, Place<'tcx>)>), /// Write the discriminant for a variant to the enum Place. SetDiscriminant { place: Box>, variant_index: VariantIdx }, @@ -1593,7 +1575,12 @@ pub enum FakeReadCause { /// `let x: !; match x {}` doesn't generate any read of x so we need to /// generate a read of x to check that it is initialized and safe. - ForMatchedPlace, + /// + /// If a closure pattern matches a Place starting with an Upvar, then we introduce a + /// FakeRead for that Place outside the closure, in such a case this option would be + /// Some(closure_def_id). + /// Otherwise, the value of the optional DefId will be None. + ForMatchedPlace(Option), /// A fake read of the RefWithinGuard version of a bind-by-value variable /// in a match guard to ensure that it's value hasn't change by the time @@ -1612,7 +1599,12 @@ pub enum FakeReadCause { /// but in some cases it can affect the borrow checker, as in #53695. /// Therefore, we insert a "fake read" here to ensure that we get /// appropriate errors. - ForLet, + /// + /// If a closure pattern matches a Place starting with an Upvar, then we introduce a + /// FakeRead for that Place outside the closure, in such a case this option would be + /// Some(closure_def_id). + /// Otherwise, the value of the optional DefId will be None. + ForLet(Option), /// If we have an index expression like /// @@ -1636,7 +1628,9 @@ impl Debug for Statement<'_> { use self::StatementKind::*; match self.kind { Assign(box (ref place, ref rv)) => write!(fmt, "{:?} = {:?}", place, rv), - FakeRead(ref cause, ref place) => write!(fmt, "FakeRead({:?}, {:?})", cause, place), + FakeRead(box (ref cause, ref place)) => { + write!(fmt, "FakeRead({:?}, {:?})", cause, place) + } Retag(ref kind, ref place) => write!( fmt, "Retag({}{:?})", @@ -2410,7 +2404,8 @@ pub struct Constant<'tcx> { pub literal: ConstantKind<'tcx>, } -#[derive(Clone, Copy, PartialEq, PartialOrd, TyEncodable, TyDecodable, Hash, HashStable, Debug)] +#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, TyEncodable, TyDecodable, Hash, HashStable, Debug)] +#[derive(Lift)] pub enum ConstantKind<'tcx> { /// This constant came from the type system Ty(&'tcx ty::Const<'tcx>), @@ -2709,7 +2704,13 @@ impl<'tcx> Display for Constant<'tcx> { ty::FnDef(..) => {} _ => write!(fmt, "const ")?, } - match self.literal { + Display::fmt(&self.literal, fmt) + } +} + +impl<'tcx> Display for ConstantKind<'tcx> { + fn fmt(&self, fmt: &mut Formatter<'_>) -> fmt::Result { + match *self { ConstantKind::Ty(c) => pretty_print_const(c, fmt, true), ConstantKind::Val(val, ty) => pretty_print_const_value(val, ty, fmt, true), } diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs index 0167655bee51..6c2468b9ffe0 100644 --- a/compiler/rustc_middle/src/mir/mono.rs +++ b/compiler/rustc_middle/src/mir/mono.rs @@ -84,14 +84,7 @@ impl<'tcx> MonoItem<'tcx> { .debugging_opts .inline_in_all_cgus .unwrap_or_else(|| tcx.sess.opts.optimize != OptLevel::No) - && !tcx.sess.link_dead_code() - && !tcx.sess.instrument_coverage(); - // Disabled for `-Z instrument-coverage` because some LLVM optimizations can sometimes - // break coverage results. A test that failed at certain optimization levels is now - // validated at that optimization level (via `compile-flags` directive): - // * `src/test/run-make-fulldeps/coverage/closure.rs` broke with `-C opt-level=2`, and - // also required disabling `internalize_symbols` in - // `rustc_mir/monomorphize/partitioning/mod.rs` + && !tcx.sess.link_dead_code(); match *self { MonoItem::Fn(ref instance) => { diff --git a/compiler/rustc_middle/src/mir/terminator.rs b/compiler/rustc_middle/src/mir/terminator.rs index c8db4aeb449b..be2493236eba 100644 --- a/compiler/rustc_middle/src/mir/terminator.rs +++ b/compiler/rustc_middle/src/mir/terminator.rs @@ -21,7 +21,7 @@ pub use super::query::*; pub struct SwitchTargets { /// Possible values. The locations to branch to in each case /// are found in the corresponding indices from the `targets` vector. - values: SmallVec<[u128; 1]>, + pub values: SmallVec<[u128; 1]>, /// Possible branch sites. The last element of this vector is used /// for the otherwise branch, so targets.len() == values.len() + 1 @@ -35,7 +35,7 @@ pub struct SwitchTargets { // // However we’ve decided to keep this as-is until we figure a case // where some other approach seems to be strictly better than other. - targets: SmallVec<[BasicBlock; 2]>, + pub targets: SmallVec<[BasicBlock; 2]>, } impl SwitchTargets { diff --git a/compiler/rustc_middle/src/mir/traversal.rs b/compiler/rustc_middle/src/mir/traversal.rs index 36e277d1a88f..725448584dd2 100644 --- a/compiler/rustc_middle/src/mir/traversal.rs +++ b/compiler/rustc_middle/src/mir/traversal.rs @@ -264,10 +264,6 @@ impl<'a, 'tcx> ReversePostorder<'a, 'tcx> { ReversePostorder { body, blocks, idx: len } } - - pub fn reset(&mut self) { - self.idx = self.blocks.len(); - } } pub fn reverse_postorder<'a, 'tcx>(body: &'a Body<'tcx>) -> ReversePostorder<'a, 'tcx> { diff --git a/compiler/rustc_middle/src/mir/type_foldable.rs b/compiler/rustc_middle/src/mir/type_foldable.rs index cb5992772701..f3124e5bf424 100644 --- a/compiler/rustc_middle/src/mir/type_foldable.rs +++ b/compiler/rustc_middle/src/mir/type_foldable.rs @@ -348,6 +348,11 @@ impl<'tcx> TypeFoldable<'tcx> for Constant<'tcx> { } impl<'tcx> TypeFoldable<'tcx> for ConstantKind<'tcx> { + #[inline(always)] + fn fold_with>(self, folder: &mut F) -> Self { + folder.fold_mir_const(self) + } + fn super_fold_with>(self, folder: &mut F) -> Self { match self { ConstantKind::Ty(c) => ConstantKind::Ty(c.fold_with(folder)), diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs index be248ccabda0..5516a045c1db 100644 --- a/compiler/rustc_middle/src/mir/visit.rs +++ b/compiler/rustc_middle/src/mir/visit.rs @@ -380,7 +380,7 @@ macro_rules! make_mir_visitor { ) => { self.visit_assign(place, rvalue, location); } - StatementKind::FakeRead(_, place) => { + StatementKind::FakeRead(box (_, place)) => { self.visit_place( place, PlaceContext::NonMutatingUse(NonMutatingUseContext::Inspect), @@ -584,8 +584,7 @@ macro_rules! make_mir_visitor { } => { for op in operands { match op { - InlineAsmOperand::In { value, .. } - | InlineAsmOperand::Const { value } => { + InlineAsmOperand::In { value, .. } => { self.visit_operand(value, location); } InlineAsmOperand::Out { place, .. } => { @@ -607,7 +606,8 @@ macro_rules! make_mir_visitor { ); } } - InlineAsmOperand::SymFn { value } => { + InlineAsmOperand::Const { value } + | InlineAsmOperand::SymFn { value } => { self.visit_constant(value, location); } InlineAsmOperand::SymStatic { def_id: _ } => {} @@ -1247,12 +1247,6 @@ impl PlaceContext { matches!(self, PlaceContext::MutatingUse(..)) } - /// Returns `true` if this place context represents a use that does not change the value. - #[inline] - pub fn is_nonmutating_use(&self) -> bool { - matches!(self, PlaceContext::NonMutatingUse(..)) - } - /// Returns `true` if this place context represents a use. #[inline] pub fn is_use(&self) -> bool { diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index fbd5af9d0a9e..bac69e282a52 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -1253,11 +1253,6 @@ rustc_queries! { desc { |tcx| "native_library_kind({})", tcx.def_path_str(def_id) } } - query link_args(_: CrateNum) -> Lrc> { - eval_always - desc { "looking up link arguments for a crate" } - } - /// Does lifetime resolution, but does not descend into trait items. This /// should only be used for resolving lifetimes of on trait definitions, /// and is used to avoid cycles. Importantly, `resolve_lifetimes` still visits @@ -1290,6 +1285,10 @@ rustc_queries! { -> Option> { desc { "looking up lifetime defaults for a region on an item" } } + query late_bound_vars_map(_: LocalDefId) + -> Option<&'tcx FxHashMap>> { + desc { "looking up late bound vars" } + } query visibility(def_id: DefId) -> ty::Visibility { eval_always @@ -1482,6 +1481,13 @@ rustc_queries! { desc { "normalizing `{}`", goal.value } } + /// Do not call this query directly: invoke `normalize_erasing_regions` instead. + query normalize_mir_const_after_erasing_regions( + goal: ParamEnvAnd<'tcx, mir::ConstantKind<'tcx>> + ) -> mir::ConstantKind<'tcx> { + desc { "normalizing `{}`", goal.value } + } + query implied_outlives_bounds( goal: CanonicalTyGoal<'tcx> ) -> Result< diff --git a/compiler/rustc_middle/src/traits/mod.rs b/compiler/rustc_middle/src/traits/mod.rs index 90b82020551c..00dec3b355f8 100644 --- a/compiler/rustc_middle/src/traits/mod.rs +++ b/compiler/rustc_middle/src/traits/mod.rs @@ -323,6 +323,9 @@ pub enum ObligationCauseCode<'tcx> { /// #[feature(trivial_bounds)] is not enabled TrivialBound, + + /// If `X` is the concrete type of an opaque type `impl Y`, then `X` must implement `Y` + OpaqueType, } impl ObligationCauseCode<'_> { @@ -341,7 +344,7 @@ impl ObligationCauseCode<'_> { // `ObligationCauseCode` is used a lot. Make sure it doesn't unintentionally get bigger. #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))] -static_assert_size!(ObligationCauseCode<'_>, 32); +static_assert_size!(ObligationCauseCode<'_>, 40); #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] pub enum StatementAsExpression { diff --git a/compiler/rustc_middle/src/traits/query.rs b/compiler/rustc_middle/src/traits/query.rs index f9cadb3bb2db..eac3ab7282f5 100644 --- a/compiler/rustc_middle/src/traits/query.rs +++ b/compiler/rustc_middle/src/traits/query.rs @@ -44,24 +44,12 @@ pub mod type_op { pub b: Ty<'tcx>, } - impl<'tcx> Eq<'tcx> { - pub fn new(a: Ty<'tcx>, b: Ty<'tcx>) -> Self { - Self { a, b } - } - } - #[derive(Copy, Clone, Debug, Hash, PartialEq, Eq, HashStable, TypeFoldable, Lift)] pub struct Subtype<'tcx> { pub sub: Ty<'tcx>, pub sup: Ty<'tcx>, } - impl<'tcx> Subtype<'tcx> { - pub fn new(sub: Ty<'tcx>, sup: Ty<'tcx>) -> Self { - Self { sub, sup } - } - } - #[derive(Copy, Clone, Debug, Hash, PartialEq, Eq, HashStable, TypeFoldable, Lift)] pub struct ProvePredicate<'tcx> { pub predicate: Predicate<'tcx>, diff --git a/compiler/rustc_middle/src/ty/_match.rs b/compiler/rustc_middle/src/ty/_match.rs index a5962e3b3ba5..8e2c79701af9 100644 --- a/compiler/rustc_middle/src/ty/_match.rs +++ b/compiler/rustc_middle/src/ty/_match.rs @@ -112,9 +112,9 @@ impl TypeRelation<'tcx> for Match<'tcx> { fn binders( &mut self, - a: ty::Binder, - b: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> + a: ty::Binder<'tcx, T>, + b: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where T: Relate<'tcx>, { diff --git a/compiler/rustc_middle/src/ty/closure.rs b/compiler/rustc_middle/src/ty/closure.rs index c31a882c272a..52cb6b301b07 100644 --- a/compiler/rustc_middle/src/ty/closure.rs +++ b/compiler/rustc_middle/src/ty/closure.rs @@ -6,7 +6,6 @@ use crate::ty; use rustc_data_structures::fx::{FxHashMap, FxIndexMap}; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; -use rustc_hir::lang_items::LangItem; use rustc_span::Span; use super::{Ty, TyCtxt}; @@ -113,14 +112,6 @@ impl<'tcx> ClosureKind { // This is the initial value used when doing upvar inference. pub const LATTICE_BOTTOM: ClosureKind = ClosureKind::Fn; - pub fn trait_did(&self, tcx: TyCtxt<'tcx>) -> DefId { - match *self { - ClosureKind::Fn => tcx.require_lang_item(LangItem::Fn, None), - ClosureKind::FnMut => tcx.require_lang_item(LangItem::FnMut, None), - ClosureKind::FnOnce => tcx.require_lang_item(LangItem::FnOnce, None), - } - } - /// Returns `true` if a type that impls this closure kind /// must also implement `other`. pub fn extends(self, other: ty::ClosureKind) -> bool { @@ -377,12 +368,4 @@ impl BorrowKind { UniqueImmBorrow => hir::Mutability::Mut, } } - - pub fn to_user_str(&self) -> &'static str { - match *self { - MutBorrow => "mutable", - ImmBorrow => "immutable", - UniqueImmBorrow => "uniquely immutable", - } - } } diff --git a/compiler/rustc_middle/src/ty/codec.rs b/compiler/rustc_middle/src/ty/codec.rs index 3225efd05e45..d7767dc39cb3 100644 --- a/compiler/rustc_middle/src/ty/codec.rs +++ b/compiler/rustc_middle/src/ty/codec.rs @@ -120,8 +120,9 @@ impl<'tcx, E: TyEncoder<'tcx>> Encodable for Ty<'tcx> { } } -impl<'tcx, E: TyEncoder<'tcx>> Encodable for ty::Binder> { +impl<'tcx, E: TyEncoder<'tcx>> Encodable for ty::Binder<'tcx, ty::PredicateKind<'tcx>> { fn encode(&self, e: &mut E) -> Result<(), E::Error> { + self.bound_vars().encode(e)?; encode_with_shorthand(e, &self.skip_binder(), TyEncoder::predicate_shorthands) } } @@ -188,7 +189,7 @@ pub trait TyDecoder<'tcx>: Decoder { } #[inline] -pub fn decode_arena_allocable<'tcx, D, T: ArenaAllocatable<'tcx> + Decodable>( +fn decode_arena_allocable<'tcx, D, T: ArenaAllocatable<'tcx> + Decodable>( decoder: &mut D, ) -> Result<&'tcx T, D::Error> where @@ -198,7 +199,7 @@ where } #[inline] -pub fn decode_arena_allocable_slice<'tcx, D, T: ArenaAllocatable<'tcx> + Decodable>( +fn decode_arena_allocable_slice<'tcx, D, T: ArenaAllocatable<'tcx> + Decodable>( decoder: &mut D, ) -> Result<&'tcx [T], D::Error> where @@ -226,18 +227,22 @@ impl<'tcx, D: TyDecoder<'tcx>> Decodable for Ty<'tcx> { } } -impl<'tcx, D: TyDecoder<'tcx>> Decodable for ty::Binder> { - fn decode(decoder: &mut D) -> Result>, D::Error> { +impl<'tcx, D: TyDecoder<'tcx>> Decodable for ty::Binder<'tcx, ty::PredicateKind<'tcx>> { + fn decode(decoder: &mut D) -> Result>, D::Error> { + let bound_vars = Decodable::decode(decoder)?; // Handle shorthands first, if we have an usize > 0x80. - Ok(ty::Binder::bind(if decoder.positioned_at_shorthand() { - let pos = decoder.read_usize()?; - assert!(pos >= SHORTHAND_OFFSET); - let shorthand = pos - SHORTHAND_OFFSET; - - decoder.with_position(shorthand, ty::PredicateKind::decode)? - } else { - ty::PredicateKind::decode(decoder)? - })) + Ok(ty::Binder::bind_with_vars( + if decoder.positioned_at_shorthand() { + let pos = decoder.read_usize()?; + assert!(pos >= SHORTHAND_OFFSET); + let shorthand = pos - SHORTHAND_OFFSET; + + decoder.with_position(shorthand, ty::PredicateKind::decode)? + } else { + ty::PredicateKind::decode(decoder)? + }, + bound_vars, + )) } } @@ -319,7 +324,7 @@ impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D> for ty::List> { } impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D> - for ty::List>> + for ty::List>> { fn decode(decoder: &mut D) -> Result<&'tcx Self, D::Error> { let len = decoder.read_usize()?; @@ -379,15 +384,23 @@ impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D> for [mir::abstract_const::N } } +impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D> for ty::List { + fn decode(decoder: &mut D) -> Result<&'tcx Self, D::Error> { + let len = decoder.read_usize()?; + Ok(decoder.tcx().mk_bound_variable_kinds((0..len).map(|_| Decodable::decode(decoder)))?) + } +} + impl_decodable_via_ref! { &'tcx ty::TypeckResults<'tcx>, &'tcx ty::List>, - &'tcx ty::List>>, + &'tcx ty::List>>, &'tcx Allocation, &'tcx mir::Body<'tcx>, &'tcx mir::UnsafetyCheckResult, &'tcx mir::BorrowCheckResult<'tcx>, - &'tcx mir::coverage::CodeRegion + &'tcx mir::coverage::CodeRegion, + &'tcx ty::List } #[macro_export] @@ -488,14 +501,16 @@ macro_rules! implement_ty_decoder { macro_rules! impl_binder_encode_decode { ($($t:ty),+ $(,)?) => { $( - impl<'tcx, E: TyEncoder<'tcx>> Encodable for ty::Binder<$t> { + impl<'tcx, E: TyEncoder<'tcx>> Encodable for ty::Binder<'tcx, $t> { fn encode(&self, e: &mut E) -> Result<(), E::Error> { + self.bound_vars().encode(e)?; self.as_ref().skip_binder().encode(e) } } - impl<'tcx, D: TyDecoder<'tcx>> Decodable for ty::Binder<$t> { + impl<'tcx, D: TyDecoder<'tcx>> Decodable for ty::Binder<'tcx, $t> { fn decode(decoder: &mut D) -> Result { - Ok(ty::Binder::bind(Decodable::decode(decoder)?)) + let bound_vars = Decodable::decode(decoder)?; + Ok(ty::Binder::bind_with_vars(Decodable::decode(decoder)?, bound_vars)) } } )* diff --git a/compiler/rustc_middle/src/ty/consts/int.rs b/compiler/rustc_middle/src/ty/consts/int.rs index 8ed8ea6a0bc5..3b26100fa549 100644 --- a/compiler/rustc_middle/src/ty/consts/int.rs +++ b/compiler/rustc_middle/src/ty/consts/int.rs @@ -122,8 +122,8 @@ impl std::fmt::Debug for ConstInt { pub struct ScalarInt { /// The first `size` bytes of `data` are the value. /// Do not try to read less or more bytes than that. The remaining bytes must be 0. - data: u128, - size: u8, + pub data: u128, + pub size: u8, } // Cannot derive these, as the derives take references to the fields, and we diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 8fdae695ceb7..bb2b00cbaea8 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -87,7 +87,8 @@ pub struct CtxtInterners<'tcx> { substs: InternedSet<'tcx, InternalSubsts<'tcx>>, canonical_var_infos: InternedSet<'tcx, List>>, region: InternedSet<'tcx, RegionKind>, - poly_existential_predicates: InternedSet<'tcx, List>>>, + poly_existential_predicates: + InternedSet<'tcx, List>>>, predicate: InternedSet<'tcx, PredicateInner<'tcx>>, predicates: InternedSet<'tcx, List>>, projs: InternedSet<'tcx, List>, @@ -95,6 +96,7 @@ pub struct CtxtInterners<'tcx> { const_: InternedSet<'tcx, Const<'tcx>>, /// Const allocations. allocation: InternedSet<'tcx, Allocation>, + bound_variable_kinds: InternedSet<'tcx, List>, } impl<'tcx> CtxtInterners<'tcx> { @@ -113,6 +115,7 @@ impl<'tcx> CtxtInterners<'tcx> { place_elems: Default::default(), const_: Default::default(), allocation: Default::default(), + bound_variable_kinds: Default::default(), } } @@ -136,7 +139,10 @@ impl<'tcx> CtxtInterners<'tcx> { } #[inline(never)] - fn intern_predicate(&self, kind: Binder>) -> &'tcx PredicateInner<'tcx> { + fn intern_predicate( + &self, + kind: Binder<'tcx, PredicateKind<'tcx>>, + ) -> &'tcx PredicateInner<'tcx> { self.predicate .intern(kind, |kind| { let flags = super::flags::FlagComputation::for_predicate(kind); @@ -449,7 +455,7 @@ pub struct TypeckResults<'tcx> { /// Stores the type, expression, span and optional scope span of all types /// that are live across the yield of this generator (if a generator). - pub generator_interior_types: ty::Binder>>, + pub generator_interior_types: ty::Binder<'tcx, Vec>>, /// We sometimes treat byte string literals (which are of type `&[u8; N]`) /// as `&[u8]`, depending on the pattern in which they are used. @@ -804,7 +810,7 @@ impl CanonicalUserType<'tcx> { ty::ReLateBound(debruijn, br) => { // We only allow a `ty::INNERMOST` index in substitutions. assert_eq!(*debruijn, ty::INNERMOST); - cvar == br.assert_bound_var() + cvar == br.var } _ => false, }, @@ -1616,10 +1622,11 @@ nop_lift! {allocation; &'a Allocation => &'tcx Allocation} nop_lift! {predicate; &'a PredicateInner<'a> => &'tcx PredicateInner<'tcx>} nop_list_lift! {type_list; Ty<'a> => Ty<'tcx>} -nop_list_lift! {poly_existential_predicates; ty::Binder> => ty::Binder>} +nop_list_lift! {poly_existential_predicates; ty::Binder<'a, ExistentialPredicate<'a>> => ty::Binder<'tcx, ExistentialPredicate<'tcx>>} nop_list_lift! {predicates; Predicate<'a> => Predicate<'tcx>} nop_list_lift! {canonical_var_infos; CanonicalVarInfo<'a> => CanonicalVarInfo<'tcx>} nop_list_lift! {projs; ProjectionKind => ProjectionKind} +nop_list_lift! {bound_variable_kinds; ty::BoundVariableKind => ty::BoundVariableKind} // This is the impl for `&'a InternalSubsts<'a>`. nop_list_lift! {substs; GenericArg<'a> => GenericArg<'tcx>} @@ -1965,8 +1972,8 @@ impl<'tcx> Hash for Interned<'tcx, PredicateInner<'tcx>> { } } -impl<'tcx> Borrow>> for Interned<'tcx, PredicateInner<'tcx>> { - fn borrow<'a>(&'a self) -> &'a Binder> { +impl<'tcx> Borrow>> for Interned<'tcx, PredicateInner<'tcx>> { + fn borrow<'a>(&'a self) -> &'a Binder<'tcx, PredicateKind<'tcx>> { &self.0.kind } } @@ -2072,10 +2079,11 @@ slice_interners!( substs: _intern_substs(GenericArg<'tcx>), canonical_var_infos: _intern_canonical_var_infos(CanonicalVarInfo<'tcx>), poly_existential_predicates: - _intern_poly_existential_predicates(ty::Binder>), + _intern_poly_existential_predicates(ty::Binder<'tcx, ExistentialPredicate<'tcx>>), predicates: _intern_predicates(Predicate<'tcx>), projs: _intern_projs(ProjectionKind), place_elems: _intern_place_elems(PlaceElem<'tcx>), + bound_variable_kinds: _intern_bound_variable_kinds(ty::BoundVariableKind), ); impl<'tcx> TyCtxt<'tcx> { @@ -2158,7 +2166,7 @@ impl<'tcx> TyCtxt<'tcx> { } #[inline] - pub fn mk_predicate(self, binder: Binder>) -> Predicate<'tcx> { + pub fn mk_predicate(self, binder: Binder<'tcx, PredicateKind<'tcx>>) -> Predicate<'tcx> { let inner = self.interners.intern_predicate(binder); Predicate { inner } } @@ -2167,7 +2175,7 @@ impl<'tcx> TyCtxt<'tcx> { pub fn reuse_or_mk_predicate( self, pred: Predicate<'tcx>, - binder: Binder>, + binder: Binder<'tcx, PredicateKind<'tcx>>, ) -> Predicate<'tcx> { if pred.kind() != binder { self.mk_predicate(binder) } else { pred } } @@ -2288,11 +2296,6 @@ impl<'tcx> TyCtxt<'tcx> { self.mk_ptr(TypeAndMut { ty, mutbl: hir::Mutability::Not }) } - #[inline] - pub fn mk_nil_ptr(self) -> Ty<'tcx> { - self.mk_imm_ptr(self.mk_unit()) - } - #[inline] pub fn mk_array(self, ty: Ty<'tcx>, n: u64) -> Ty<'tcx> { self.mk_ty(Array(ty, ty::Const::from_usize(self, n))) @@ -2339,7 +2342,7 @@ impl<'tcx> TyCtxt<'tcx> { #[inline] pub fn mk_dynamic( self, - obj: &'tcx List>>, + obj: &'tcx List>>, reg: ty::Region<'tcx>, ) -> Ty<'tcx> { self.mk_ty(Dynamic(obj, reg)) @@ -2366,7 +2369,7 @@ impl<'tcx> TyCtxt<'tcx> { } #[inline] - pub fn mk_generator_witness(self, types: ty::Binder<&'tcx List>>) -> Ty<'tcx> { + pub fn mk_generator_witness(self, types: ty::Binder<'tcx, &'tcx List>>) -> Ty<'tcx> { self.mk_ty(GeneratorWitness(types)) } @@ -2471,8 +2474,8 @@ impl<'tcx> TyCtxt<'tcx> { pub fn intern_poly_existential_predicates( self, - eps: &[ty::Binder>], - ) -> &'tcx List>> { + eps: &[ty::Binder<'tcx, ExistentialPredicate<'tcx>>], + ) -> &'tcx List>> { assert!(!eps.is_empty()); assert!( eps.array_windows() @@ -2517,6 +2520,13 @@ impl<'tcx> TyCtxt<'tcx> { if ts.is_empty() { List::empty() } else { self._intern_canonical_var_infos(ts) } } + pub fn intern_bound_variable_kinds( + self, + ts: &[ty::BoundVariableKind], + ) -> &'tcx List { + if ts.is_empty() { List::empty() } else { self._intern_bound_variable_kinds(ts) } + } + pub fn mk_fn_sig( self, inputs: I, @@ -2538,8 +2548,8 @@ impl<'tcx> TyCtxt<'tcx> { pub fn mk_poly_existential_predicates< I: InternAs< - [ty::Binder>], - &'tcx List>>, + [ty::Binder<'tcx, ExistentialPredicate<'tcx>>], + &'tcx List>>, >, >( self, @@ -2577,6 +2587,15 @@ impl<'tcx> TyCtxt<'tcx> { self.mk_substs(iter::once(self_ty.into()).chain(rest.iter().cloned())) } + pub fn mk_bound_variable_kinds< + I: InternAs<[ty::BoundVariableKind], &'tcx List>, + >( + self, + iter: I, + ) -> I::Output { + iter.intern_with(|xs| self.intern_bound_variable_kinds(xs)) + } + /// Walks upwards from `id` to find a node which might change lint levels with attributes. /// It stops at `bound` and just returns it if reached. pub fn maybe_lint_level_root_bounded(self, mut id: HirId, bound: HirId) -> HirId { @@ -2653,6 +2672,17 @@ impl<'tcx> TyCtxt<'tcx> { pub fn object_lifetime_defaults(self, id: HirId) -> Option> { self.object_lifetime_defaults_map(id.owner) } + + pub fn late_bound_vars(self, id: HirId) -> &'tcx List { + self.mk_bound_variable_kinds( + self.late_bound_vars_map(id.owner) + .and_then(|map| map.get(&id.local_id).cloned()) + .unwrap_or_else(|| { + bug!("No bound vars found for {:?} ({:?})", self.hir().node_to_string(id), id) + }) + .iter(), + ) + } } impl TyCtxtAt<'tcx> { diff --git a/compiler/rustc_middle/src/ty/erase_regions.rs b/compiler/rustc_middle/src/ty/erase_regions.rs index 4412ba9408c6..759d1a017aa2 100644 --- a/compiler/rustc_middle/src/ty/erase_regions.rs +++ b/compiler/rustc_middle/src/ty/erase_regions.rs @@ -1,3 +1,4 @@ +use crate::mir; use crate::ty::fold::{TypeFoldable, TypeFolder}; use crate::ty::{self, Ty, TyCtxt, TypeFlags}; @@ -43,7 +44,7 @@ impl TypeFolder<'tcx> for RegionEraserVisitor<'tcx> { if ty.needs_infer() { ty.super_fold_with(self) } else { self.tcx.erase_regions_ty(ty) } } - fn fold_binder(&mut self, t: ty::Binder) -> ty::Binder + fn fold_binder(&mut self, t: ty::Binder<'tcx, T>) -> ty::Binder<'tcx, T> where T: TypeFoldable<'tcx>, { @@ -65,4 +66,8 @@ impl TypeFolder<'tcx> for RegionEraserVisitor<'tcx> { _ => self.tcx.lifetimes.re_erased, } } + + fn fold_mir_const(&mut self, c: mir::ConstantKind<'tcx>) -> mir::ConstantKind<'tcx> { + c.super_fold_with(self) + } } diff --git a/compiler/rustc_middle/src/ty/error.rs b/compiler/rustc_middle/src/ty/error.rs index f19cc9984492..d295b17d902a 100644 --- a/compiler/rustc_middle/src/ty/error.rs +++ b/compiler/rustc_middle/src/ty/error.rs @@ -57,7 +57,9 @@ pub enum TypeError<'tcx> { CyclicTy(Ty<'tcx>), CyclicConst(&'tcx ty::Const<'tcx>), ProjectionMismatched(ExpectedFound), - ExistentialMismatch(ExpectedFound<&'tcx ty::List>>>), + ExistentialMismatch( + ExpectedFound<&'tcx ty::List>>>, + ), ObjectUnsafeCoercion(DefId), ConstMismatch(ExpectedFound<&'tcx ty::Const<'tcx>>), @@ -509,13 +511,18 @@ impl Trait for X { "consider constraining the associated type `{}` to `{}`", values.found, values.expected, ); - if !self.suggest_constraint( + if !(self.suggest_constraining_opaque_associated_type( + db, + &msg, + proj_ty, + values.expected, + ) || self.suggest_constraint( db, &msg, body_owner_def_id, proj_ty, values.expected, - ) { + )) { db.help(&msg); db.note( "for more information, visit \ @@ -699,20 +706,7 @@ impl Trait for X { } } - if let ty::Opaque(def_id, _) = *proj_ty.self_ty().kind() { - // When the expected `impl Trait` is not defined in the current item, it will come from - // a return type. This can occur when dealing with `TryStream` (#71035). - if self.constrain_associated_type_structured_suggestion( - db, - self.def_span(def_id), - &assoc, - proj_ty.trait_ref_and_own_substs(self).1, - values.found, - &msg, - ) { - return; - } - } + self.suggest_constraining_opaque_associated_type(db, &msg, proj_ty, values.found); if self.point_at_associated_type(db, body_owner_def_id, values.found) { return; @@ -750,6 +744,30 @@ fn foo(&self) -> Self::T { String::new() } } } + /// When the expected `impl Trait` is not defined in the current item, it will come from + /// a return type. This can occur when dealing with `TryStream` (#71035). + fn suggest_constraining_opaque_associated_type( + self, + db: &mut DiagnosticBuilder<'_>, + msg: &str, + proj_ty: &ty::ProjectionTy<'tcx>, + ty: Ty<'tcx>, + ) -> bool { + let assoc = self.associated_item(proj_ty.item_def_id); + if let ty::Opaque(def_id, _) = *proj_ty.self_ty().kind() { + self.constrain_associated_type_structured_suggestion( + db, + self.def_span(def_id), + &assoc, + proj_ty.trait_ref_and_own_substs(self).1, + ty, + &msg, + ) + } else { + false + } + } + fn point_at_methods_that_satisfy_associated_type( self, db: &mut DiagnosticBuilder<'_>, diff --git a/compiler/rustc_middle/src/ty/flags.rs b/compiler/rustc_middle/src/ty/flags.rs index d6dc81c5b785..01bc5cc761ca 100644 --- a/compiler/rustc_middle/src/ty/flags.rs +++ b/compiler/rustc_middle/src/ty/flags.rs @@ -22,7 +22,7 @@ impl FlagComputation { result } - pub fn for_predicate(binder: ty::Binder>) -> FlagComputation { + pub fn for_predicate(binder: ty::Binder<'tcx, ty::PredicateKind<'_>>) -> FlagComputation { let mut result = FlagComputation::new(); result.add_predicate(binder); result @@ -53,7 +53,7 @@ impl FlagComputation { /// Adds the flags/depth from a set of types that appear within the current type, but within a /// region binder. - fn bound_computation(&mut self, value: ty::Binder, f: F) + fn bound_computation(&mut self, value: ty::Binder<'_, T>, f: F) where F: FnOnce(&mut Self, T), { @@ -204,7 +204,7 @@ impl FlagComputation { } } - fn add_predicate(&mut self, binder: ty::Binder>) { + fn add_predicate(&mut self, binder: ty::Binder<'tcx, ty::PredicateKind<'_>>) { self.bound_computation(binder, |computation, atom| computation.add_predicate_atom(atom)); } diff --git a/compiler/rustc_middle/src/ty/fold.rs b/compiler/rustc_middle/src/ty/fold.rs index a6a1d1f73bb6..13f2d83ddf3b 100644 --- a/compiler/rustc_middle/src/ty/fold.rs +++ b/compiler/rustc_middle/src/ty/fold.rs @@ -30,11 +30,13 @@ //! //! These methods return true to indicate that the visitor has found what it is //! looking for, and does not need to visit anything else. +use crate::mir; use crate::ty::{self, flags::FlagComputation, Binder, Ty, TyCtxt, TypeFlags}; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_data_structures::fx::FxHashSet; +use rustc_data_structures::sso::SsoHashSet; use std::collections::BTreeMap; use std::fmt; use std::ops::ControlFlow; @@ -161,7 +163,7 @@ impl TypeFoldable<'tcx> for hir::Constness { pub trait TypeFolder<'tcx>: Sized { fn tcx<'a>(&'a self) -> TyCtxt<'tcx>; - fn fold_binder(&mut self, t: Binder) -> Binder + fn fold_binder(&mut self, t: Binder<'tcx, T>) -> Binder<'tcx, T> where T: TypeFoldable<'tcx>, { @@ -179,12 +181,19 @@ pub trait TypeFolder<'tcx>: Sized { fn fold_const(&mut self, c: &'tcx ty::Const<'tcx>) -> &'tcx ty::Const<'tcx> { c.super_fold_with(self) } + + fn fold_mir_const(&mut self, c: mir::ConstantKind<'tcx>) -> mir::ConstantKind<'tcx> { + bug!("most type folders should not be folding MIR datastructures: {:?}", c) + } } pub trait TypeVisitor<'tcx>: Sized { type BreakTy = !; - fn visit_binder>(&mut self, t: &Binder) -> ControlFlow { + fn visit_binder>( + &mut self, + t: &Binder<'tcx, T>, + ) -> ControlFlow { t.super_visit_with(self) } @@ -322,7 +331,7 @@ impl<'tcx> TyCtxt<'tcx> { fn visit_binder>( &mut self, - t: &Binder, + t: &Binder<'tcx, T>, ) -> ControlFlow { self.outer_index.shift_in(1); let result = t.as_ref().skip_binder().visit_with(self); @@ -400,7 +409,10 @@ impl<'a, 'tcx> TypeFolder<'tcx> for RegionFolder<'a, 'tcx> { self.tcx } - fn fold_binder>(&mut self, t: ty::Binder) -> ty::Binder { + fn fold_binder>( + &mut self, + t: ty::Binder<'tcx, T>, + ) -> ty::Binder<'tcx, T> { self.current_index.shift_in(1); let t = t.super_fold_with(self); self.current_index.shift_out(1); @@ -460,7 +472,10 @@ impl<'a, 'tcx> TypeFolder<'tcx> for BoundVarReplacer<'a, 'tcx> { self.tcx } - fn fold_binder>(&mut self, t: ty::Binder) -> ty::Binder { + fn fold_binder>( + &mut self, + t: ty::Binder<'tcx, T>, + ) -> ty::Binder<'tcx, T> { self.current_index.shift_in(1); let t = t.super_fold_with(self); self.current_index.shift_out(1); @@ -538,7 +553,7 @@ impl<'tcx> TyCtxt<'tcx> { /// contain escaping bound types. pub fn replace_late_bound_regions( self, - value: Binder, + value: Binder<'tcx, T>, mut fld_r: F, ) -> (T, BTreeMap>) where @@ -588,7 +603,7 @@ impl<'tcx> TyCtxt<'tcx> { /// types. pub fn replace_bound_vars( self, - value: Binder, + value: Binder<'tcx, T>, mut fld_r: F, fld_t: G, fld_c: H, @@ -607,7 +622,11 @@ impl<'tcx> TyCtxt<'tcx> { /// Replaces any late-bound regions bound in `value` with /// free variants attached to `all_outlive_scope`. - pub fn liberate_late_bound_regions(self, all_outlive_scope: DefId, value: ty::Binder) -> T + pub fn liberate_late_bound_regions( + self, + all_outlive_scope: DefId, + value: ty::Binder<'tcx, T>, + ) -> T where T: TypeFoldable<'tcx>, { @@ -620,13 +639,49 @@ impl<'tcx> TyCtxt<'tcx> { .0 } + pub fn shift_bound_var_indices(self, bound_vars: usize, value: T) -> T + where + T: TypeFoldable<'tcx>, + { + self.replace_escaping_bound_vars( + value, + |r| { + self.mk_region(ty::ReLateBound( + ty::INNERMOST, + ty::BoundRegion { + var: ty::BoundVar::from_usize(r.var.as_usize() + bound_vars), + kind: r.kind, + }, + )) + }, + |t| { + self.mk_ty(ty::Bound( + ty::INNERMOST, + ty::BoundTy { + var: ty::BoundVar::from_usize(t.var.as_usize() + bound_vars), + kind: t.kind, + }, + )) + }, + |c, ty| { + self.mk_const(ty::Const { + val: ty::ConstKind::Bound( + ty::INNERMOST, + ty::BoundVar::from_usize(c.as_usize() + bound_vars), + ), + ty, + }) + }, + ) + } + /// Returns a set of all late-bound regions that are constrained /// by `value`, meaning that if we instantiate those LBR with /// variables and equate `value` with something else, those /// variables will also be equated. pub fn collect_constrained_late_bound_regions( self, - value: &Binder, + value: &Binder<'tcx, T>, ) -> FxHashSet where T: TypeFoldable<'tcx>, @@ -637,7 +692,7 @@ impl<'tcx> TyCtxt<'tcx> { /// Returns a set of all late-bound regions that appear in `value` anywhere. pub fn collect_referenced_late_bound_regions( self, - value: &Binder, + value: &Binder<'tcx, T>, ) -> FxHashSet where T: TypeFoldable<'tcx>, @@ -647,7 +702,7 @@ impl<'tcx> TyCtxt<'tcx> { fn collect_late_bound_regions( self, - value: &Binder, + value: &Binder<'tcx, T>, just_constraint: bool, ) -> FxHashSet where @@ -661,7 +716,7 @@ impl<'tcx> TyCtxt<'tcx> { /// Replaces any late-bound regions bound in `value` with `'erased`. Useful in codegen but also /// method lookup and a few other places where precise region relationships are not required. - pub fn erase_late_bound_regions(self, value: Binder) -> T + pub fn erase_late_bound_regions(self, value: Binder<'tcx, T>) -> T where T: TypeFoldable<'tcx>, { @@ -676,20 +731,205 @@ impl<'tcx> TyCtxt<'tcx> { /// `FnSig`s or `TraitRef`s which are equivalent up to region naming will become /// structurally identical. For example, `for<'a, 'b> fn(&'a isize, &'b isize)` and /// `for<'a, 'b> fn(&'b isize, &'a isize)` will become identical after anonymization. - pub fn anonymize_late_bound_regions(self, sig: Binder) -> Binder + pub fn anonymize_late_bound_regions(self, sig: Binder<'tcx, T>) -> Binder<'tcx, T> where T: TypeFoldable<'tcx>, { let mut counter = 0; - Binder::bind( - self.replace_late_bound_regions(sig, |_| { - let br = ty::BoundRegion { kind: ty::BrAnon(counter) }; + let inner = self + .replace_late_bound_regions(sig, |_| { + let br = ty::BoundRegion { + var: ty::BoundVar::from_u32(counter), + kind: ty::BrAnon(counter), + }; let r = self.mk_region(ty::ReLateBound(ty::INNERMOST, br)); counter += 1; r }) - .0, - ) + .0; + let bound_vars = self.mk_bound_variable_kinds( + (0..counter).map(|i| ty::BoundVariableKind::Region(ty::BrAnon(i))), + ); + Binder::bind_with_vars(inner, bound_vars) + } +} + +pub struct BoundVarsCollector<'tcx> { + binder_index: ty::DebruijnIndex, + vars: BTreeMap, + // We may encounter the same variable at different levels of binding, so + // this can't just be `Ty` + visited: SsoHashSet<(ty::DebruijnIndex, Ty<'tcx>)>, +} + +impl<'tcx> BoundVarsCollector<'tcx> { + pub fn new() -> Self { + BoundVarsCollector { + binder_index: ty::INNERMOST, + vars: BTreeMap::new(), + visited: SsoHashSet::default(), + } + } + + pub fn into_vars(self, tcx: TyCtxt<'tcx>) -> &'tcx ty::List { + let max = self.vars.iter().map(|(k, _)| *k).max().unwrap_or_else(|| 0); + for i in 0..max { + if let None = self.vars.get(&i) { + panic!("Unknown variable: {:?}", i); + } + } + + tcx.mk_bound_variable_kinds(self.vars.into_iter().map(|(_, v)| v)) + } +} + +impl<'tcx> TypeVisitor<'tcx> for BoundVarsCollector<'tcx> { + type BreakTy = (); + + fn visit_binder>( + &mut self, + t: &Binder<'tcx, T>, + ) -> ControlFlow { + self.binder_index.shift_in(1); + let result = t.super_visit_with(self); + self.binder_index.shift_out(1); + result + } + + fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow { + if t.outer_exclusive_binder < self.binder_index + || !self.visited.insert((self.binder_index, t)) + { + return ControlFlow::CONTINUE; + } + use std::collections::btree_map::Entry; + match *t.kind() { + ty::Bound(debruijn, bound_ty) if debruijn == self.binder_index => { + match self.vars.entry(bound_ty.var.as_u32()) { + Entry::Vacant(entry) => { + entry.insert(ty::BoundVariableKind::Ty(bound_ty.kind)); + } + Entry::Occupied(entry) => match entry.get() { + ty::BoundVariableKind::Ty(_) => {} + _ => bug!("Conflicting bound vars"), + }, + } + } + + _ => (), + }; + + t.super_visit_with(self) + } + + fn visit_region(&mut self, r: ty::Region<'tcx>) -> ControlFlow { + match r { + ty::ReLateBound(index, _br) if *index == self.binder_index => { + // If you hit this, you should be using `Binder::bind_with_vars` or `Binder::rebind` + bug!("Trying to collect bound vars with a bound region: {:?} {:?}", index, _br) + } + + _ => (), + }; + + r.super_visit_with(self) + } +} + +pub struct ValidateBoundVars<'tcx> { + bound_vars: &'tcx ty::List, + binder_index: ty::DebruijnIndex, + // We may encounter the same variable at different levels of binding, so + // this can't just be `Ty` + visited: SsoHashSet<(ty::DebruijnIndex, Ty<'tcx>)>, +} + +impl<'tcx> ValidateBoundVars<'tcx> { + pub fn new(bound_vars: &'tcx ty::List) -> Self { + ValidateBoundVars { + bound_vars, + binder_index: ty::INNERMOST, + visited: SsoHashSet::default(), + } + } +} + +impl<'tcx> TypeVisitor<'tcx> for ValidateBoundVars<'tcx> { + type BreakTy = (); + + fn visit_binder>( + &mut self, + t: &Binder<'tcx, T>, + ) -> ControlFlow { + self.binder_index.shift_in(1); + let result = t.super_visit_with(self); + self.binder_index.shift_out(1); + result + } + + fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow { + if t.outer_exclusive_binder < self.binder_index + || !self.visited.insert((self.binder_index, t)) + { + return ControlFlow::BREAK; + } + match *t.kind() { + ty::Bound(debruijn, bound_ty) if debruijn == self.binder_index => { + if self.bound_vars.len() <= bound_ty.var.as_usize() { + bug!("Not enough bound vars: {:?} not found in {:?}", t, self.bound_vars); + } + let list_var = self.bound_vars[bound_ty.var.as_usize()]; + match list_var { + ty::BoundVariableKind::Ty(kind) => { + if kind != bound_ty.kind { + bug!( + "Mismatched type kinds: {:?} doesn't var in list {:?}", + bound_ty.kind, + list_var + ); + } + } + _ => { + bug!("Mismatched bound variable kinds! Expected type, found {:?}", list_var) + } + } + } + + _ => (), + }; + + t.super_visit_with(self) + } + + fn visit_region(&mut self, r: ty::Region<'tcx>) -> ControlFlow { + match r { + ty::ReLateBound(index, br) if *index == self.binder_index => { + if self.bound_vars.len() <= br.var.as_usize() { + bug!("Not enough bound vars: {:?} not found in {:?}", *br, self.bound_vars); + } + let list_var = self.bound_vars[br.var.as_usize()]; + match list_var { + ty::BoundVariableKind::Region(kind) => { + if kind != br.kind { + bug!( + "Mismatched region kinds: {:?} doesn't match var ({:?}) in list ({:?})", + br.kind, + list_var, + self.bound_vars + ); + } + } + _ => bug!( + "Mismatched bound variable kinds! Expected region, found {:?}", + list_var + ), + } + } + + _ => (), + }; + + r.super_visit_with(self) } } @@ -719,7 +959,10 @@ impl TypeFolder<'tcx> for Shifter<'tcx> { self.tcx } - fn fold_binder>(&mut self, t: ty::Binder) -> ty::Binder { + fn fold_binder>( + &mut self, + t: ty::Binder<'tcx, T>, + ) -> ty::Binder<'tcx, T> { self.current_index.shift_in(1); let t = t.super_fold_with(self); self.current_index.shift_out(1); @@ -828,7 +1071,10 @@ struct HasEscapingVarsVisitor { impl<'tcx> TypeVisitor<'tcx> for HasEscapingVarsVisitor { type BreakTy = FoundEscapingVars; - fn visit_binder>(&mut self, t: &Binder) -> ControlFlow { + fn visit_binder>( + &mut self, + t: &Binder<'tcx, T>, + ) -> ControlFlow { self.outer_index.shift_in(1); let result = t.super_visit_with(self); self.outer_index.shift_out(1); @@ -974,7 +1220,10 @@ impl LateBoundRegionsCollector { } impl<'tcx> TypeVisitor<'tcx> for LateBoundRegionsCollector { - fn visit_binder>(&mut self, t: &Binder) -> ControlFlow { + fn visit_binder>( + &mut self, + t: &Binder<'tcx, T>, + ) -> ControlFlow { self.current_index.shift_in(1); let result = t.super_visit_with(self); self.current_index.shift_out(1); diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs index a753c4ab6ce9..41d953216e0d 100644 --- a/compiler/rustc_middle/src/ty/instance.rs +++ b/compiler/rustc_middle/src/ty/instance.rs @@ -483,6 +483,7 @@ impl<'tcx> Instance<'tcx> { if let Some(substs) = self.substs_for_mir_body() { v.subst(tcx, substs) } else { *v } } + #[inline(always)] pub fn subst_mir_and_normalize_erasing_regions( &self, tcx: TyCtxt<'tcx>, diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 0d03cf4575fc..e7bbdc3ccebd 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -1,3 +1,4 @@ +// ignore-tidy-filelength use crate::ich::StableHashingContext; use crate::middle::codegen_fn_attrs::CodegenFnAttrFlags; use crate::mir::{GeneratorLayout, GeneratorSavedLocal}; @@ -2481,21 +2482,42 @@ impl<'tcx> ty::Instance<'tcx> { ty::Closure(def_id, substs) => { let sig = substs.as_closure().sig(); - let env_ty = tcx.closure_env_ty(def_id, substs).unwrap(); - sig.map_bound(|sig| { + let bound_vars = tcx.mk_bound_variable_kinds( + sig.bound_vars() + .iter() + .chain(iter::once(ty::BoundVariableKind::Region(ty::BrEnv))), + ); + let br = ty::BoundRegion { + var: ty::BoundVar::from_usize(bound_vars.len() - 1), + kind: ty::BoundRegionKind::BrEnv, + }; + let env_region = ty::ReLateBound(ty::INNERMOST, br); + let env_ty = tcx.closure_env_ty(def_id, substs, env_region).unwrap(); + + let sig = sig.skip_binder(); + ty::Binder::bind_with_vars( tcx.mk_fn_sig( - iter::once(env_ty.skip_binder()).chain(sig.inputs().iter().cloned()), + iter::once(env_ty).chain(sig.inputs().iter().cloned()), sig.output(), sig.c_variadic, sig.unsafety, sig.abi, - ) - }) + ), + bound_vars, + ) } ty::Generator(_, substs, _) => { let sig = substs.as_generator().poly_sig(); - let br = ty::BoundRegion { kind: ty::BrEnv }; + let bound_vars = tcx.mk_bound_variable_kinds( + sig.bound_vars() + .iter() + .chain(iter::once(ty::BoundVariableKind::Region(ty::BrEnv))), + ); + let br = ty::BoundRegion { + var: ty::BoundVar::from_usize(bound_vars.len() - 1), + kind: ty::BoundRegionKind::BrEnv, + }; let env_region = ty::ReLateBound(ty::INNERMOST, br); let env_ty = tcx.mk_mut_ref(tcx.mk_region(env_region), ty); @@ -2504,21 +2526,21 @@ impl<'tcx> ty::Instance<'tcx> { let pin_substs = tcx.intern_substs(&[env_ty.into()]); let env_ty = tcx.mk_adt(pin_adt_ref, pin_substs); - sig.map_bound(|sig| { - let state_did = tcx.require_lang_item(LangItem::GeneratorState, None); - let state_adt_ref = tcx.adt_def(state_did); - let state_substs = - tcx.intern_substs(&[sig.yield_ty.into(), sig.return_ty.into()]); - let ret_ty = tcx.mk_adt(state_adt_ref, state_substs); - + let sig = sig.skip_binder(); + let state_did = tcx.require_lang_item(LangItem::GeneratorState, None); + let state_adt_ref = tcx.adt_def(state_did); + let state_substs = tcx.intern_substs(&[sig.yield_ty.into(), sig.return_ty.into()]); + let ret_ty = tcx.mk_adt(state_adt_ref, state_substs); + ty::Binder::bind_with_vars( tcx.mk_fn_sig( [env_ty, sig.resume_ty].iter(), &ret_ty, false, hir::Unsafety::Normal, rustc_target::spec::abi::Abi::Rust, - ) - }) + ), + bound_vars, + ) } _ => bug!("unexpected type {:?} in Instance::fn_sig", ty), } diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index ed10a1566223..bff061f7f22c 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -67,12 +67,12 @@ pub use self::sty::BoundRegionKind::*; pub use self::sty::RegionKind::*; pub use self::sty::TyKind::*; pub use self::sty::{ - Binder, BoundRegion, BoundRegionKind, BoundTy, BoundTyKind, BoundVar, CanonicalPolyFnSig, - ClosureSubsts, ClosureSubstsParts, ConstVid, EarlyBoundRegion, ExistentialPredicate, - ExistentialProjection, ExistentialTraitRef, FnSig, FreeRegion, GenSig, GeneratorSubsts, - GeneratorSubstsParts, ParamConst, ParamTy, PolyExistentialProjection, PolyExistentialTraitRef, - PolyFnSig, PolyGenSig, PolyTraitRef, ProjectionTy, Region, RegionKind, RegionVid, TraitRef, - TyKind, TypeAndMut, UpvarSubsts, + Binder, BoundRegion, BoundRegionKind, BoundTy, BoundTyKind, BoundVar, BoundVariableKind, + CanonicalPolyFnSig, ClosureSubsts, ClosureSubstsParts, ConstVid, EarlyBoundRegion, + ExistentialPredicate, ExistentialProjection, ExistentialTraitRef, FnSig, FreeRegion, GenSig, + GeneratorSubsts, GeneratorSubstsParts, ParamConst, ParamTy, PolyExistentialProjection, + PolyExistentialTraitRef, PolyFnSig, PolyGenSig, PolyTraitRef, ProjectionTy, Region, RegionKind, + RegionVid, TraitRef, TyKind, TypeAndMut, UpvarSubsts, }; pub use self::trait_def::TraitDef; @@ -263,10 +263,10 @@ pub struct CReaderCacheKey { pub struct TyS<'tcx> { /// This field shouldn't be used directly and may be removed in the future. /// Use `TyS::kind()` instead. - kind: TyKind<'tcx>, + pub kind: TyKind<'tcx>, /// This field shouldn't be used directly and may be removed in the future. /// Use `TyS::flags()` instead. - flags: TypeFlags, + pub flags: TypeFlags, /// This is a kind of confusing thing: it stores the smallest /// binder such that @@ -302,7 +302,7 @@ impl<'tcx> TyS<'tcx> { // `TyS` is used a lot. Make sure it doesn't unintentionally get bigger. #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))] -static_assert_size!(TyS<'_>, 32); +static_assert_size!(TyS<'_>, 40); impl<'tcx> Ord for TyS<'tcx> { fn cmp(&self, other: &TyS<'tcx>) -> Ordering { @@ -359,14 +359,14 @@ impl ty::EarlyBoundRegion { #[derive(Debug)] crate struct PredicateInner<'tcx> { - kind: Binder>, + kind: Binder<'tcx, PredicateKind<'tcx>>, flags: TypeFlags, /// See the comment for the corresponding field of [TyS]. outer_exclusive_binder: ty::DebruijnIndex, } #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))] -static_assert_size!(PredicateInner<'_>, 40); +static_assert_size!(PredicateInner<'_>, 48); #[derive(Clone, Copy, Lift)] pub struct Predicate<'tcx> { @@ -389,9 +389,9 @@ impl Hash for Predicate<'_> { impl<'tcx> Eq for Predicate<'tcx> {} impl<'tcx> Predicate<'tcx> { - /// Gets the inner `Binder>`. + /// Gets the inner `Binder<'tcx, PredicateKind<'tcx>>`. #[inline] - pub fn kind(self) -> Binder> { + pub fn kind(self) -> Binder<'tcx, PredicateKind<'tcx>> { self.inner.kind } } @@ -543,10 +543,33 @@ impl<'tcx> Predicate<'tcx> { // substitution code expects equal binding levels in the values // from the substitution and the value being substituted into, and // this trick achieves that). - let substs = trait_ref.skip_binder().substs; - let pred = self.kind().skip_binder(); - let new = pred.subst(tcx, substs); - tcx.reuse_or_mk_predicate(self, ty::Binder::bind(new)) + + // Working through the second example: + // trait_ref: for<'x> T: Foo1<'^0.0>; substs: [T, '^0.0] + // predicate: for<'b> Self: Bar1<'a, '^0.0>; substs: [Self, 'a, '^0.0] + // We want to end up with: + // for<'x, 'b> T: Bar1<'^0.0, '^0.1> + // To do this: + // 1) We must shift all bound vars in predicate by the length + // of trait ref's bound vars. So, we would end up with predicate like + // Self: Bar1<'a, '^0.1> + // 2) We can then apply the trait substs to this, ending up with + // T: Bar1<'^0.0, '^0.1> + // 3) Finally, to create the final bound vars, we concatenate the bound + // vars of the trait ref with those of the predicate: + // ['x, 'b] + let bound_pred = self.kind(); + let pred_bound_vars = bound_pred.bound_vars(); + let trait_bound_vars = trait_ref.bound_vars(); + // 1) Self: Bar1<'a, '^0.0> -> Self: Bar1<'a, '^0.1> + let shifted_pred = + tcx.shift_bound_var_indices(trait_bound_vars.len(), bound_pred.skip_binder()); + // 2) Self: Bar1<'a, '^0.1> -> T: Bar1<'^0.0, '^0.1> + let new = shifted_pred.subst(tcx, trait_ref.skip_binder().substs); + // 3) ['x] + ['b] -> ['x, 'b] + let bound_vars = + tcx.mk_bound_variable_kinds(trait_bound_vars.iter().chain(pred_bound_vars)); + tcx.reuse_or_mk_predicate(self, ty::Binder::bind_with_vars(new, bound_vars)) } } @@ -556,7 +579,7 @@ pub struct TraitPredicate<'tcx> { pub trait_ref: TraitRef<'tcx>, } -pub type PolyTraitPredicate<'tcx> = ty::Binder>; +pub type PolyTraitPredicate<'tcx> = ty::Binder<'tcx, TraitPredicate<'tcx>>; impl<'tcx> TraitPredicate<'tcx> { pub fn def_id(self) -> DefId { @@ -574,7 +597,7 @@ impl<'tcx> PolyTraitPredicate<'tcx> { self.skip_binder().def_id() } - pub fn self_ty(self) -> ty::Binder> { + pub fn self_ty(self) -> ty::Binder<'tcx, Ty<'tcx>> { self.map_bound(|trait_ref| trait_ref.self_ty()) } } @@ -584,8 +607,8 @@ impl<'tcx> PolyTraitPredicate<'tcx> { pub struct OutlivesPredicate(pub A, pub B); // `A: B` pub type RegionOutlivesPredicate<'tcx> = OutlivesPredicate, ty::Region<'tcx>>; pub type TypeOutlivesPredicate<'tcx> = OutlivesPredicate, ty::Region<'tcx>>; -pub type PolyRegionOutlivesPredicate<'tcx> = ty::Binder>; -pub type PolyTypeOutlivesPredicate<'tcx> = ty::Binder>; +pub type PolyRegionOutlivesPredicate<'tcx> = ty::Binder<'tcx, RegionOutlivesPredicate<'tcx>>; +pub type PolyTypeOutlivesPredicate<'tcx> = ty::Binder<'tcx, TypeOutlivesPredicate<'tcx>>; #[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, TyEncodable, TyDecodable)] #[derive(HashStable, TypeFoldable)] @@ -594,7 +617,7 @@ pub struct SubtypePredicate<'tcx> { pub a: Ty<'tcx>, pub b: Ty<'tcx>, } -pub type PolySubtypePredicate<'tcx> = ty::Binder>; +pub type PolySubtypePredicate<'tcx> = ty::Binder<'tcx, SubtypePredicate<'tcx>>; /// This kind of predicate has no *direct* correspondent in the /// syntax, but it roughly corresponds to the syntactic forms: @@ -615,25 +638,15 @@ pub struct ProjectionPredicate<'tcx> { pub ty: Ty<'tcx>, } -pub type PolyProjectionPredicate<'tcx> = Binder>; +pub type PolyProjectionPredicate<'tcx> = Binder<'tcx, ProjectionPredicate<'tcx>>; impl<'tcx> PolyProjectionPredicate<'tcx> { - /// Returns the `DefId` of the associated item being projected. - pub fn item_def_id(&self) -> DefId { - self.skip_binder().projection_ty.item_def_id - } - /// Returns the `DefId` of the trait of the associated item being projected. #[inline] pub fn trait_def_id(&self, tcx: TyCtxt<'tcx>) -> DefId { self.skip_binder().projection_ty.trait_def_id(tcx) } - #[inline] - pub fn projection_self_ty(&self) -> Binder> { - self.map_bound(|predicate| predicate.projection_ty.self_ty()) - } - /// Get the [PolyTraitRef] required for this projection to be well formed. /// Note that for generic associated types the predicates of the associated /// type also need to be checked. @@ -647,7 +660,7 @@ impl<'tcx> PolyProjectionPredicate<'tcx> { self.map_bound(|predicate| predicate.projection_ty.trait_ref(tcx)) } - pub fn ty(&self) -> Binder> { + pub fn ty(&self) -> Binder<'tcx, Ty<'tcx>> { self.map_bound(|predicate| predicate.ty) } @@ -681,7 +694,7 @@ pub trait ToPredicate<'tcx> { fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx>; } -impl ToPredicate<'tcx> for Binder> { +impl ToPredicate<'tcx> for Binder<'tcx, PredicateKind<'tcx>> { #[inline(always)] fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> { tcx.mk_predicate(self) @@ -704,11 +717,11 @@ impl<'tcx> ToPredicate<'tcx> for ConstnessAnd> { impl<'tcx> ToPredicate<'tcx> for ConstnessAnd> { fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> { - ConstnessAnd { - value: self.value.map_bound(|trait_ref| ty::TraitPredicate { trait_ref }), - constness: self.constness, - } - .to_predicate(tcx) + self.value + .map_bound(|trait_ref| { + PredicateKind::Trait(ty::TraitPredicate { trait_ref }, self.constness) + }) + .to_predicate(tcx) } } @@ -1039,10 +1052,6 @@ impl WithOptConstParam { None } - pub fn expect_local(self) -> WithOptConstParam { - self.as_local().unwrap() - } - pub fn is_local(self) -> bool { self.did.is_local() } diff --git a/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs b/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs index 9d97815a5f1b..a4f736654af4 100644 --- a/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs +++ b/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs @@ -7,6 +7,7 @@ //! `normalize_generic_arg_after_erasing_regions` query for each type //! or constant found within. (This underlying query is what is cached.) +use crate::mir; use crate::ty::fold::{TypeFoldable, TypeFolder}; use crate::ty::subst::{Subst, SubstsRef}; use crate::ty::{self, Ty, TyCtxt}; @@ -38,7 +39,7 @@ impl<'tcx> TyCtxt<'tcx> { } } - /// If you have a `Binder`, you can do this to strip out the + /// If you have a `Binder<'tcx, T>`, you can do this to strip out the /// late-bound regions and then normalize the result, yielding up /// a `T` (with regions erased). This is appropriate when the /// binder is being instantiated at the call site. @@ -49,7 +50,7 @@ impl<'tcx> TyCtxt<'tcx> { pub fn normalize_erasing_late_bound_regions( self, param_env: ty::ParamEnv<'tcx>, - value: ty::Binder, + value: ty::Binder<'tcx, T>, ) -> T where T: TypeFoldable<'tcx>, @@ -101,4 +102,10 @@ impl TypeFolder<'tcx> for NormalizeAfterErasingRegionsFolder<'tcx> { let arg = self.param_env.and(c.into()); self.tcx.normalize_generic_arg_after_erasing_regions(arg).expect_const() } + + #[inline] + fn fold_mir_const(&mut self, c: mir::ConstantKind<'tcx>) -> mir::ConstantKind<'tcx> { + let arg = self.param_env.and(c); + self.tcx.normalize_mir_const_after_erasing_regions(arg) + } } diff --git a/compiler/rustc_middle/src/ty/print/mod.rs b/compiler/rustc_middle/src/ty/print/mod.rs index a47846828bd6..13e2122a619d 100644 --- a/compiler/rustc_middle/src/ty/print/mod.rs +++ b/compiler/rustc_middle/src/ty/print/mod.rs @@ -63,7 +63,7 @@ pub trait Printer<'tcx>: Sized { fn print_dyn_existential( self, - predicates: &'tcx ty::List>>, + predicates: &'tcx ty::List>>, ) -> Result; fn print_const(self, ct: &'tcx ty::Const<'tcx>) -> Result; @@ -346,7 +346,7 @@ impl<'tcx, P: Printer<'tcx>> Print<'tcx, P> for Ty<'tcx> { } impl<'tcx, P: Printer<'tcx>> Print<'tcx, P> - for &'tcx ty::List>> + for &'tcx ty::List>> { type Output = P::DynExistential; type Error = P::Error; diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index f23c64cb036c..f697cd519302 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -4,6 +4,7 @@ use crate::ty::subst::{GenericArg, GenericArgKind, Subst}; use crate::ty::{self, ConstInt, DefIdTree, ParamConst, ScalarInt, Ty, TyCtxt, TypeFoldable}; use rustc_apfloat::ieee::{Double, Single}; use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::sso::SsoHashSet; use rustc_hir as hir; use rustc_hir::def::{self, CtorKind, DefKind, Namespace}; use rustc_hir::def_id::{CrateNum, DefId, DefIdSet, CRATE_DEF_INDEX, LOCAL_CRATE}; @@ -202,7 +203,7 @@ pub trait PrettyPrinter<'tcx>: self.print_def_path(def_id, substs) } - fn in_binder(self, value: &ty::Binder) -> Result + fn in_binder(self, value: &ty::Binder<'tcx, T>) -> Result where T: Print<'tcx, Self, Output = Self, Error = Self::Error> + TypeFoldable<'tcx>, { @@ -211,7 +212,7 @@ pub trait PrettyPrinter<'tcx>: fn wrap_binder Result>( self, - value: &ty::Binder, + value: &ty::Binder<'tcx, T>, f: F, ) -> Result where @@ -765,7 +766,7 @@ pub trait PrettyPrinter<'tcx>: fn pretty_print_dyn_existential( mut self, - predicates: &'tcx ty::List>>, + predicates: &'tcx ty::List>>, ) -> Result { // Generate the main trait ref, including associated types. let mut first = true; @@ -1421,7 +1422,8 @@ impl Printer<'tcx> for FmtPrinter<'_, 'tcx, F> { } fn print_type(mut self, ty: Ty<'tcx>) -> Result { - if self.tcx.sess.type_length_limit().value_within_limit(self.printed_type_count) { + let type_length_limit = self.tcx.sess.type_length_limit(); + if type_length_limit.value_within_limit(self.printed_type_count) { self.printed_type_count += 1; self.pretty_print_type(ty) } else { @@ -1432,7 +1434,7 @@ impl Printer<'tcx> for FmtPrinter<'_, 'tcx, F> { fn print_dyn_existential( self, - predicates: &'tcx ty::List>>, + predicates: &'tcx ty::List>>, ) -> Result { self.pretty_print_dyn_existential(predicates) } @@ -1571,7 +1573,7 @@ impl PrettyPrinter<'tcx> for FmtPrinter<'_, 'tcx, F> { Ok(self) } - fn in_binder(self, value: &ty::Binder) -> Result + fn in_binder(self, value: &ty::Binder<'tcx, T>) -> Result where T: Print<'tcx, Self, Output = Self, Error = Self::Error> + TypeFoldable<'tcx>, { @@ -1580,7 +1582,7 @@ impl PrettyPrinter<'tcx> for FmtPrinter<'_, 'tcx, F> { fn wrap_binder Result>( self, - value: &ty::Binder, + value: &ty::Binder<'tcx, T>, f: C, ) -> Result where @@ -1636,7 +1638,7 @@ impl PrettyPrinter<'tcx> for FmtPrinter<'_, 'tcx, F> { data.name != kw::Empty && data.name != kw::UnderscoreLifetime } - ty::ReLateBound(_, ty::BoundRegion { kind: br }) + ty::ReLateBound(_, ty::BoundRegion { kind: br, .. }) | ty::ReFree(ty::FreeRegion { bound_region: br, .. }) | ty::RePlaceholder(ty::Placeholder { name: br, .. }) => { if let ty::BrNamed(_, name) = br { @@ -1715,7 +1717,7 @@ impl FmtPrinter<'_, '_, F> { return Ok(self); } } - ty::ReLateBound(_, ty::BoundRegion { kind: br }) + ty::ReLateBound(_, ty::BoundRegion { kind: br, .. }) | ty::ReFree(ty::FreeRegion { bound_region: br, .. }) | ty::RePlaceholder(ty::Placeholder { name: br, .. }) => { if let ty::BrNamed(_, name) = br { @@ -1763,7 +1765,7 @@ impl FmtPrinter<'_, '_, F> { impl FmtPrinter<'_, 'tcx, F> { pub fn name_all_regions( mut self, - value: &ty::Binder, + value: &ty::Binder<'tcx, T>, ) -> Result<(Self, (T, BTreeMap>)), fmt::Error> where T: Print<'tcx, Self, Output = Self, Error = fmt::Error> + TypeFoldable<'tcx>, @@ -1821,7 +1823,8 @@ impl FmtPrinter<'_, 'tcx, F> { ty::BrNamed(DefId::local(CRATE_DEF_INDEX), name) } }; - self.tcx.mk_region(ty::ReLateBound(ty::INNERMOST, ty::BoundRegion { kind })) + self.tcx + .mk_region(ty::ReLateBound(ty::INNERMOST, ty::BoundRegion { var: br.var, kind })) }); start_or_continue(&mut self, "", "> ")?; @@ -1830,7 +1833,7 @@ impl FmtPrinter<'_, 'tcx, F> { Ok((self, new_value)) } - pub fn pretty_in_binder(self, value: &ty::Binder) -> Result + pub fn pretty_in_binder(self, value: &ty::Binder<'tcx, T>) -> Result where T: Print<'tcx, Self, Output = Self, Error = fmt::Error> + TypeFoldable<'tcx>, { @@ -1844,7 +1847,7 @@ impl FmtPrinter<'_, 'tcx, F> { pub fn pretty_wrap_binder Result>( self, - value: &ty::Binder, + value: &ty::Binder<'tcx, T>, f: C, ) -> Result where @@ -1858,28 +1861,52 @@ impl FmtPrinter<'_, 'tcx, F> { Ok(inner) } - fn prepare_late_bound_region_info(&mut self, value: &ty::Binder) + fn prepare_late_bound_region_info(&mut self, value: &ty::Binder<'tcx, T>) where T: TypeFoldable<'tcx>, { - struct LateBoundRegionNameCollector<'a>(&'a mut FxHashSet); - impl<'tcx> ty::fold::TypeVisitor<'tcx> for LateBoundRegionNameCollector<'_> { + debug!("prepare_late_bound_region_info(value: {:?})", value); + + struct LateBoundRegionNameCollector<'a, 'tcx> { + used_region_names: &'a mut FxHashSet, + type_collector: SsoHashSet>, + } + + impl<'tcx> ty::fold::TypeVisitor<'tcx> for LateBoundRegionNameCollector<'_, 'tcx> { + type BreakTy = (); + fn visit_region(&mut self, r: ty::Region<'tcx>) -> ControlFlow { - if let ty::ReLateBound(_, ty::BoundRegion { kind: ty::BrNamed(_, name) }) = *r { - self.0.insert(name); + debug!("LateBoundRegionNameCollector::visit_region(r: {:?}, address: {:p})", r, &r); + if let ty::ReLateBound(_, ty::BoundRegion { kind: ty::BrNamed(_, name), .. }) = *r { + self.used_region_names.insert(name); } r.super_visit_with(self) } + + // We collect types in order to prevent really large types from compiling for + // a really long time. See issue #83150 for why this is necessary. + fn visit_ty(&mut self, ty: Ty<'tcx>) -> ControlFlow { + debug!("LateBoundRegionNameCollector::visit_ty(ty: {:?}", ty); + let not_previously_inserted = self.type_collector.insert(ty); + if not_previously_inserted { + ty.super_visit_with(self) + } else { + ControlFlow::CONTINUE + } + } } self.used_region_names.clear(); - let mut collector = LateBoundRegionNameCollector(&mut self.used_region_names); + let mut collector = LateBoundRegionNameCollector { + used_region_names: &mut self.used_region_names, + type_collector: SsoHashSet::new(), + }; value.visit_with(&mut collector); self.region_index = 0; } } -impl<'tcx, T, P: PrettyPrinter<'tcx>> Print<'tcx, P> for ty::Binder +impl<'tcx, T, P: PrettyPrinter<'tcx>> Print<'tcx, P> for ty::Binder<'tcx, T> where T: Print<'tcx, P, Output = P, Error = P::Error> + TypeFoldable<'tcx>, { @@ -1966,28 +1993,28 @@ impl ty::TraitRef<'tcx> { } } -impl ty::Binder> { - pub fn print_only_trait_path(self) -> ty::Binder> { +impl ty::Binder<'tcx, ty::TraitRef<'tcx>> { + pub fn print_only_trait_path(self) -> ty::Binder<'tcx, TraitRefPrintOnlyTraitPath<'tcx>> { self.map_bound(|tr| tr.print_only_trait_path()) } } forward_display_to_print! { Ty<'tcx>, - &'tcx ty::List>>, + &'tcx ty::List>>, &'tcx ty::Const<'tcx>, // HACK(eddyb) these are exhaustive instead of generic, // because `for<'tcx>` isn't possible yet. - ty::Binder>, - ty::Binder>, - ty::Binder>, - ty::Binder>, - ty::Binder>, - ty::Binder>, - ty::Binder>, - ty::Binder, ty::Region<'tcx>>>, - ty::Binder, ty::Region<'tcx>>>, + ty::Binder<'tcx, ty::ExistentialPredicate<'tcx>>, + ty::Binder<'tcx, ty::TraitRef<'tcx>>, + ty::Binder<'tcx, TraitRefPrintOnlyTraitPath<'tcx>>, + ty::Binder<'tcx, ty::FnSig<'tcx>>, + ty::Binder<'tcx, ty::TraitPredicate<'tcx>>, + ty::Binder<'tcx, ty::SubtypePredicate<'tcx>>, + ty::Binder<'tcx, ty::ProjectionPredicate<'tcx>>, + ty::Binder<'tcx, ty::OutlivesPredicate, ty::Region<'tcx>>>, + ty::Binder<'tcx, ty::OutlivesPredicate, ty::Region<'tcx>>>, ty::OutlivesPredicate, ty::Region<'tcx>>, ty::OutlivesPredicate, ty::Region<'tcx>> diff --git a/compiler/rustc_middle/src/ty/relate.rs b/compiler/rustc_middle/src/ty/relate.rs index e2bbb31263a7..ca60339da0d0 100644 --- a/compiler/rustc_middle/src/ty/relate.rs +++ b/compiler/rustc_middle/src/ty/relate.rs @@ -93,9 +93,9 @@ pub trait TypeRelation<'tcx>: Sized { fn binders( &mut self, - a: ty::Binder, - b: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> + a: ty::Binder<'tcx, T>, + b: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where T: Relate<'tcx>; } @@ -594,7 +594,7 @@ fn check_const_value_eq>( }) } -impl<'tcx> Relate<'tcx> for &'tcx ty::List>> { +impl<'tcx> Relate<'tcx> for &'tcx ty::List>> { fn relate>( relation: &mut R, a: Self, @@ -619,10 +619,9 @@ impl<'tcx> Relate<'tcx> for &'tcx ty::List Ok(ty::Binder::bind(Trait( - relation.relate(ep_a.rebind(a), ep_b.rebind(b))?.skip_binder(), - ))), - (Projection(a), Projection(b)) => Ok(ty::Binder::bind(Projection( + (Trait(a), Trait(b)) => Ok(ep_a + .rebind(Trait(relation.relate(ep_a.rebind(a), ep_b.rebind(b))?.skip_binder()))), + (Projection(a), Projection(b)) => Ok(ep_a.rebind(Projection( relation.relate(ep_a.rebind(a), ep_b.rebind(b))?.skip_binder(), ))), (AutoTrait(a), AutoTrait(b)) if a == b => Ok(ep_a.rebind(AutoTrait(a))), @@ -685,12 +684,12 @@ impl<'tcx> Relate<'tcx> for &'tcx ty::Const<'tcx> { } } -impl<'tcx, T: Relate<'tcx>> Relate<'tcx> for ty::Binder { +impl<'tcx, T: Relate<'tcx>> Relate<'tcx> for ty::Binder<'tcx, T> { fn relate>( relation: &mut R, - a: ty::Binder, - b: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> { + a: ty::Binder<'tcx, T>, + b: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> { relation.binders(a, b) } } diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index 2da23b331e0c..a969626b370f 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -454,10 +454,16 @@ impl<'a, 'tcx> Lift<'tcx> for ty::PredicateKind<'a> { } } -impl<'tcx, T: Lift<'tcx>> Lift<'tcx> for ty::Binder { - type Lifted = ty::Binder; +impl<'a, 'tcx, T: Lift<'tcx>> Lift<'tcx> for ty::Binder<'a, T> +where + >::Lifted: TypeFoldable<'tcx>, +{ + type Lifted = ty::Binder<'tcx, T::Lifted>; fn lift_to_tcx(self, tcx: TyCtxt<'tcx>) -> Option { - self.map_bound(|v| tcx.lift(v)).transpose() + let bound_vars = tcx.lift(self.bound_vars()); + tcx.lift(self.skip_binder()) + .zip(bound_vars) + .map(|(value, vars)| ty::Binder::bind_with_vars(value, vars)) } } @@ -749,7 +755,7 @@ impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for Box<[T]> { } } -impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for ty::Binder { +impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for ty::Binder<'tcx, T> { fn super_fold_with>(self, folder: &mut F) -> Self { self.map_bound(|ty| ty.fold_with(folder)) } @@ -767,7 +773,7 @@ impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for ty::Binder { } } -impl<'tcx> TypeFoldable<'tcx> for &'tcx ty::List>> { +impl<'tcx> TypeFoldable<'tcx> for &'tcx ty::List>> { fn super_fold_with>(self, folder: &mut F) -> Self { ty::util::fold_list(self, folder, |tcx, v| tcx.intern_poly_existential_predicates(v)) } diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index e78e928398f8..e352d0bc7569 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -5,6 +5,8 @@ use self::TyKind::*; use crate::infer::canonical::Canonical; +use crate::ty::fold::BoundVarsCollector; +use crate::ty::fold::ValidateBoundVars; use crate::ty::subst::{GenericArg, InternalSubsts, Subst, SubstsRef}; use crate::ty::InferTy::{self, *}; use crate::ty::{ @@ -62,22 +64,10 @@ pub enum BoundRegionKind { #[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable, Debug, PartialOrd, Ord)] #[derive(HashStable)] pub struct BoundRegion { + pub var: BoundVar, pub kind: BoundRegionKind, } -impl BoundRegion { - /// When canonicalizing, we replace unbound inference variables and free - /// regions with anonymous late bound regions. This method asserts that - /// we have an anonymous late bound region, which hence may refer to - /// a canonical variable. - pub fn assert_bound_var(&self) -> BoundVar { - match self.kind { - BoundRegionKind::BrAnon(var) => BoundVar::from_u32(var), - _ => bug!("bound region is not anonymous"), - } - } -} - impl BoundRegionKind { pub fn is_named(&self) -> bool { match *self { @@ -161,7 +151,7 @@ pub enum TyKind<'tcx> { FnPtr(PolyFnSig<'tcx>), /// A trait object. Written as `dyn for<'b> Trait<'b, Assoc = u32> + Send + 'a`. - Dynamic(&'tcx List>>, ty::Region<'tcx>), + Dynamic(&'tcx List>>, ty::Region<'tcx>), /// The anonymous type of a closure. Used to represent the type of /// `|a| a`. @@ -173,7 +163,7 @@ pub enum TyKind<'tcx> { /// A type representing the types stored inside a generator. /// This should only appear in GeneratorInteriors. - GeneratorWitness(Binder<&'tcx List>>), + GeneratorWitness(Binder<'tcx, &'tcx List>>), /// The never type `!`. Never, @@ -232,7 +222,7 @@ impl TyKind<'tcx> { // `TyKind` is used a lot. Make sure it doesn't unintentionally get bigger. #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))] -static_assert_size!(TyKind<'_>, 24); +static_assert_size!(TyKind<'_>, 32); /// A closure can be modeled as a struct that looks like: /// @@ -747,7 +737,7 @@ impl<'tcx> ExistentialPredicate<'tcx> { } } -impl<'tcx> Binder> { +impl<'tcx> Binder<'tcx, ExistentialPredicate<'tcx>> { pub fn with_self_ty(&self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> ty::Predicate<'tcx> { use crate::ty::ToPredicate; match self.skip_binder() { @@ -768,7 +758,7 @@ impl<'tcx> Binder> { } } -impl<'tcx> List>> { +impl<'tcx> List>> { /// Returns the "principal `DefId`" of this set of existential predicates. /// /// A Rust trait object type consists (in addition to a lifetime bound) @@ -794,7 +784,7 @@ impl<'tcx> List>> { /// is `{Send, Sync}`, while there is no principal. These trait objects /// have a "trivial" vtable consisting of just the size, alignment, /// and destructor. - pub fn principal(&self) -> Option>> { + pub fn principal(&self) -> Option>> { self[0] .map_bound(|this| match this { ExistentialPredicate::Trait(tr) => Some(tr), @@ -810,7 +800,7 @@ impl<'tcx> List>> { #[inline] pub fn projection_bounds<'a>( &'a self, - ) -> impl Iterator>> + 'a { + ) -> impl Iterator>> + 'a { self.iter().filter_map(|predicate| { predicate .map_bound(|pred| match pred { @@ -875,10 +865,10 @@ impl<'tcx> TraitRef<'tcx> { } } -pub type PolyTraitRef<'tcx> = Binder>; +pub type PolyTraitRef<'tcx> = Binder<'tcx, TraitRef<'tcx>>; impl<'tcx> PolyTraitRef<'tcx> { - pub fn self_ty(&self) -> Binder> { + pub fn self_ty(&self) -> Binder<'tcx, Ty<'tcx>> { self.map_bound_ref(|tr| tr.self_ty()) } @@ -931,7 +921,7 @@ impl<'tcx> ExistentialTraitRef<'tcx> { } } -pub type PolyExistentialTraitRef<'tcx> = Binder>; +pub type PolyExistentialTraitRef<'tcx> = Binder<'tcx, ExistentialTraitRef<'tcx>>; impl<'tcx> PolyExistentialTraitRef<'tcx> { pub fn def_id(&self) -> DefId { @@ -947,52 +937,56 @@ impl<'tcx> PolyExistentialTraitRef<'tcx> { } } +#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)] +#[derive(HashStable)] +pub enum BoundVariableKind { + Ty(BoundTyKind), + Region(BoundRegionKind), + Const, +} + /// Binder is a binder for higher-ranked lifetimes or types. It is part of the /// compiler's representation for things like `for<'a> Fn(&'a isize)` /// (which would be represented by the type `PolyTraitRef == -/// Binder`). Note that when we instantiate, +/// Binder<'tcx, TraitRef>`). Note that when we instantiate, /// erase, or otherwise "discharge" these bound vars, we change the -/// type from `Binder` to just `T` (see +/// type from `Binder<'tcx, T>` to just `T` (see /// e.g., `liberate_late_bound_regions`). /// /// `Decodable` and `Encodable` are implemented for `Binder` using the `impl_binder_encode_decode!` macro. #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] -pub struct Binder(T); +pub struct Binder<'tcx, T>(T, &'tcx List); -impl Binder { +impl<'tcx, T> Binder<'tcx, T> +where + T: TypeFoldable<'tcx>, +{ /// Wraps `value` in a binder, asserting that `value` does not /// contain any bound vars that would be bound by the /// binder. This is commonly used to 'inject' a value T into a /// different binding level. - pub fn dummy<'tcx>(value: T) -> Binder - where - T: TypeFoldable<'tcx>, - { + pub fn dummy(value: T) -> Binder<'tcx, T> { debug_assert!(!value.has_escaping_bound_vars()); - Binder(value) + Binder(value, ty::List::empty()) } /// Wraps `value` in a binder, binding higher-ranked vars (if any). - pub fn bind(value: T) -> Binder { - Binder(value) + pub fn bind(value: T, tcx: TyCtxt<'tcx>) -> Binder<'tcx, T> { + let mut collector = BoundVarsCollector::new(); + value.visit_with(&mut collector); + Binder(value, collector.into_vars(tcx)) } - /// Wraps `value` in a binder without actually binding any currently - /// unbound variables. - /// - /// Note that this will shift all debrujin indices of escaping bound variables - /// by 1 to avoid accidential captures. - pub fn wrap_nonbinding(tcx: TyCtxt<'tcx>, value: T) -> Binder - where - T: TypeFoldable<'tcx>, - { - if value.has_escaping_bound_vars() { - Binder::bind(super::fold::shift_vars(tcx, value, 1)) - } else { - Binder::dummy(value) + pub fn bind_with_vars(value: T, vars: &'tcx List) -> Binder<'tcx, T> { + if cfg!(debug_assertions) { + let mut validator = ValidateBoundVars::new(vars); + value.visit_with(&mut validator); } + Binder(value, vars) } +} +impl<'tcx, T> Binder<'tcx, T> { /// Skips the binder and returns the "bound" value. This is a /// risky thing to do because it's easy to get confused about /// De Bruijn indices and the like. It is usually better to @@ -1013,22 +1007,39 @@ impl Binder { self.0 } - pub fn as_ref(&self) -> Binder<&T> { - Binder(&self.0) + pub fn bound_vars(&self) -> &'tcx List { + self.1 } - pub fn map_bound_ref(&self, f: F) -> Binder + pub fn as_ref(&self) -> Binder<'tcx, &T> { + Binder(&self.0, self.1) + } + + pub fn map_bound_ref_unchecked(&self, f: F) -> Binder<'tcx, U> + where + F: FnOnce(&T) -> U, + { + let value = f(&self.0); + Binder(value, self.1) + } + + pub fn map_bound_ref>(&self, f: F) -> Binder<'tcx, U> where F: FnOnce(&T) -> U, { self.as_ref().map_bound(f) } - pub fn map_bound(self, f: F) -> Binder + pub fn map_bound>(self, f: F) -> Binder<'tcx, U> where F: FnOnce(T) -> U, { - Binder(f(self.0)) + let value = f(self.0); + if cfg!(debug_assertions) { + let mut validator = ValidateBoundVars::new(self.1); + value.visit_with(&mut validator); + } + Binder(value, self.1) } /// Wraps a `value` in a binder, using the same bound variables as the @@ -1040,8 +1051,15 @@ impl Binder { /// don't actually track bound vars. However, semantically, it is different /// because bound vars aren't allowed to change here, whereas they are /// in `bind`. This may be (debug) asserted in the future. - pub fn rebind(&self, value: U) -> Binder { - Binder(value) + pub fn rebind(&self, value: U) -> Binder<'tcx, U> + where + U: TypeFoldable<'tcx>, + { + if cfg!(debug_assertions) { + let mut validator = ValidateBoundVars::new(self.bound_vars()); + value.visit_with(&mut validator); + } + Binder(value, self.1) } /// Unwraps and returns the value within, but only if it contains @@ -1054,45 +1072,32 @@ impl Binder { /// binders, but that would require adjusting the debruijn /// indices, and given the shallow binding structure we often use, /// would not be that useful.) - pub fn no_bound_vars<'tcx>(self) -> Option + pub fn no_bound_vars(self) -> Option where T: TypeFoldable<'tcx>, { if self.0.has_escaping_bound_vars() { None } else { Some(self.skip_binder()) } } - /// Given two things that have the same binder level, - /// and an operation that wraps on their contents, executes the operation - /// and then wraps its result. - /// - /// `f` should consider bound regions at depth 1 to be free, and - /// anything it produces with bound regions at depth 1 will be - /// bound in the resulting return value. - pub fn fuse(self, u: Binder, f: F) -> Binder - where - F: FnOnce(T, U) -> R, - { - Binder(f(self.0, u.0)) - } - /// Splits the contents into two things that share the same binder /// level as the original, returning two distinct binders. /// /// `f` should consider bound regions at depth 1 to be free, and /// anything it produces with bound regions at depth 1 will be /// bound in the resulting return values. - pub fn split(self, f: F) -> (Binder, Binder) + pub fn split(self, f: F) -> (Binder<'tcx, U>, Binder<'tcx, V>) where F: FnOnce(T) -> (U, V), { let (u, v) = f(self.0); - (Binder(u), Binder(v)) + (Binder(u, self.1), Binder(v, self.1)) } } -impl Binder> { - pub fn transpose(self) -> Option> { - self.0.map(Binder) +impl<'tcx, T> Binder<'tcx, Option> { + pub fn transpose(self) -> Option> { + let bound_vars = self.1; + self.0.map(|v| Binder(v, bound_vars)) } } @@ -1155,19 +1160,7 @@ pub struct GenSig<'tcx> { pub return_ty: Ty<'tcx>, } -pub type PolyGenSig<'tcx> = Binder>; - -impl<'tcx> PolyGenSig<'tcx> { - pub fn resume_ty(&self) -> ty::Binder> { - self.map_bound_ref(|sig| sig.resume_ty) - } - pub fn yield_ty(&self) -> ty::Binder> { - self.map_bound_ref(|sig| sig.yield_ty) - } - pub fn return_ty(&self) -> ty::Binder> { - self.map_bound_ref(|sig| sig.return_ty) - } -} +pub type PolyGenSig<'tcx> = Binder<'tcx, GenSig<'tcx>>; /// Signature of a function type, which we have arbitrarily /// decided to use to refer to the input/output types. @@ -1205,22 +1198,22 @@ impl<'tcx> FnSig<'tcx> { } } -pub type PolyFnSig<'tcx> = Binder>; +pub type PolyFnSig<'tcx> = Binder<'tcx, FnSig<'tcx>>; impl<'tcx> PolyFnSig<'tcx> { #[inline] - pub fn inputs(&self) -> Binder<&'tcx [Ty<'tcx>]> { - self.map_bound_ref(|fn_sig| fn_sig.inputs()) + pub fn inputs(&self) -> Binder<'tcx, &'tcx [Ty<'tcx>]> { + self.map_bound_ref_unchecked(|fn_sig| fn_sig.inputs()) } #[inline] - pub fn input(&self, index: usize) -> ty::Binder> { + pub fn input(&self, index: usize) -> ty::Binder<'tcx, Ty<'tcx>> { self.map_bound_ref(|fn_sig| fn_sig.inputs()[index]) } - pub fn inputs_and_output(&self) -> ty::Binder<&'tcx List>> { + pub fn inputs_and_output(&self) -> ty::Binder<'tcx, &'tcx List>> { self.map_bound_ref(|fn_sig| fn_sig.inputs_and_output) } #[inline] - pub fn output(&self) -> ty::Binder> { + pub fn output(&self) -> ty::Binder<'tcx, Ty<'tcx>> { self.map_bound_ref(|fn_sig| fn_sig.output()) } pub fn c_variadic(&self) -> bool { @@ -1234,7 +1227,7 @@ impl<'tcx> PolyFnSig<'tcx> { } } -pub type CanonicalPolyFnSig<'tcx> = Canonical<'tcx, Binder>>; +pub type CanonicalPolyFnSig<'tcx> = Canonical<'tcx, Binder<'tcx, FnSig<'tcx>>>; #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)] #[derive(HashStable)] @@ -1248,10 +1241,6 @@ impl<'tcx> ParamTy { ParamTy { index, name } } - pub fn for_self() -> ParamTy { - ParamTy::new(0, kw::SelfUpper) - } - pub fn for_def(def: &ty::GenericParamDef) -> ParamTy { ParamTy::new(def.index, def.name) } @@ -1269,7 +1258,7 @@ pub struct ParamConst { pub name: Symbol, } -impl<'tcx> ParamConst { +impl ParamConst { pub fn new(index: u32, name: Symbol) -> ParamConst { ParamConst { index, name } } @@ -1277,10 +1266,6 @@ impl<'tcx> ParamConst { pub fn for_def(def: &ty::GenericParamDef) -> ParamConst { ParamConst::new(def.index, def.name) } - - pub fn to_const(self, tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> &'tcx ty::Const<'tcx> { - tcx.mk_const_param(self.index, self.name, ty) - } } pub type Region<'tcx> = &'tcx RegionKind; @@ -1486,7 +1471,7 @@ pub struct ExistentialProjection<'tcx> { pub ty: Ty<'tcx>, } -pub type PolyExistentialProjection<'tcx> = Binder>; +pub type PolyExistentialProjection<'tcx> = Binder<'tcx, ExistentialProjection<'tcx>>; impl<'tcx> ExistentialProjection<'tcx> { /// Extracts the underlying existential trait reference from this projection. @@ -1580,35 +1565,6 @@ impl RegionKind { } } - /// Adjusts any De Bruijn indices so as to make `to_binder` the - /// innermost binder. That is, if we have something bound at `to_binder`, - /// it will now be bound at INNERMOST. This is an appropriate thing to do - /// when moving a region out from inside binders: - /// - /// ``` - /// for<'a> fn(for<'b> for<'c> fn(&'a u32), _) - /// // Binder: D3 D2 D1 ^^ - /// ``` - /// - /// Here, the region `'a` would have the De Bruijn index D3, - /// because it is the bound 3 binders out. However, if we wanted - /// to refer to that region `'a` in the second argument (the `_`), - /// those two binders would not be in scope. In that case, we - /// might invoke `shift_out_to_binder(D3)`. This would adjust the - /// De Bruijn index of `'a` to D1 (the innermost binder). - /// - /// If we invoke `shift_out_to_binder` and the region is in fact - /// bound by one of the binders we are shifting out of, that is an - /// error (and should fail an assertion failure). - pub fn shifted_out_to_binder(&self, to_binder: ty::DebruijnIndex) -> RegionKind { - match *self { - ty::ReLateBound(debruijn, r) => { - ty::ReLateBound(debruijn.shifted_out_to_binder(to_binder), r) - } - r => r, - } - } - pub fn type_flags(&self) -> TypeFlags { let mut flags = TypeFlags::empty(); diff --git a/compiler/rustc_middle/src/ty/subst.rs b/compiler/rustc_middle/src/ty/subst.rs index 5d1b976ae973..c84ca61122fe 100644 --- a/compiler/rustc_middle/src/ty/subst.rs +++ b/compiler/rustc_middle/src/ty/subst.rs @@ -1,5 +1,6 @@ // Type substitutions. +use crate::mir; use crate::ty::codec::{TyDecoder, TyEncoder}; use crate::ty::fold::{TypeFoldable, TypeFolder, TypeVisitor}; use crate::ty::sty::{ClosureSubsts, GeneratorSubsts}; @@ -448,7 +449,10 @@ impl<'a, 'tcx> TypeFolder<'tcx> for SubstFolder<'a, 'tcx> { self.tcx } - fn fold_binder>(&mut self, t: ty::Binder) -> ty::Binder { + fn fold_binder>( + &mut self, + t: ty::Binder<'tcx, T>, + ) -> ty::Binder<'tcx, T> { self.binders_passed += 1; let t = t.super_fold_with(self); self.binders_passed -= 1; @@ -503,6 +507,11 @@ impl<'a, 'tcx> TypeFolder<'tcx> for SubstFolder<'a, 'tcx> { c.super_fold_with(self) } } + + #[inline] + fn fold_mir_const(&mut self, c: mir::ConstantKind<'tcx>) -> mir::ConstantKind<'tcx> { + c.super_fold_with(self) + } } impl<'a, 'tcx> SubstFolder<'a, 'tcx> { diff --git a/compiler/rustc_middle/src/ty/trait_def.rs b/compiler/rustc_middle/src/ty/trait_def.rs index ce17a724e25d..33065bc3a7bd 100644 --- a/compiler/rustc_middle/src/ty/trait_def.rs +++ b/compiler/rustc_middle/src/ty/trait_def.rs @@ -69,6 +69,12 @@ pub struct TraitImpls { non_blanket_impls: FxHashMap>, } +impl TraitImpls { + pub fn blanket_impls(&self) -> &[DefId] { + self.blanket_impls.as_slice() + } +} + impl<'tcx> TraitDef { pub fn new( def_id: DefId, diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index 9926cca2f51c..7d09ca5152ff 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -499,10 +499,9 @@ impl<'tcx> TyCtxt<'tcx> { self, closure_def_id: DefId, closure_substs: SubstsRef<'tcx>, - ) -> Option>> { + env_region: ty::RegionKind, + ) -> Option> { let closure_ty = self.mk_closure(closure_def_id, closure_substs); - let br = ty::BoundRegion { kind: ty::BrEnv }; - let env_region = ty::ReLateBound(ty::INNERMOST, br); let closure_kind_ty = closure_substs.as_closure().kind_ty(); let closure_kind = closure_kind_ty.to_opt_closure_kind()?; let env_ty = match closure_kind { @@ -510,7 +509,7 @@ impl<'tcx> TyCtxt<'tcx> { ty::ClosureKind::FnMut => self.mk_mut_ref(self.mk_region(env_region), closure_ty), ty::ClosureKind::FnOnce => closure_ty, }; - Some(ty::Binder::bind(env_ty)) + Some(env_ty) } /// Returns `true` if the node pointed to by `def_id` is a `static` item. @@ -699,7 +698,6 @@ impl<'tcx> ty::TyS<'tcx> { /// optimization as well as the rules around static values. Note /// that the `Freeze` trait is not exposed to end users and is /// effectively an implementation detail. - // FIXME: use `TyCtxtAt` instead of separate `Span`. pub fn is_freeze(&'tcx self, tcx_at: TyCtxtAt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> bool { self.is_trivially_freeze() || tcx_at.is_freeze_raw(param_env.and(self)) } diff --git a/compiler/rustc_mir/src/borrow_check/diagnostics/conflict_errors.rs b/compiler/rustc_mir/src/borrow_check/diagnostics/conflict_errors.rs index eb942b195b25..5fdf8a8d1ee1 100644 --- a/compiler/rustc_mir/src/borrow_check/diagnostics/conflict_errors.rs +++ b/compiler/rustc_mir/src/borrow_check/diagnostics/conflict_errors.rs @@ -264,7 +264,24 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { if let Some(DesugaringKind::ForLoop(_)) = move_span.desugaring_kind() { let sess = self.infcx.tcx.sess; - if let Ok(snippet) = sess.source_map().span_to_snippet(move_span) { + let ty = used_place.ty(self.body, self.infcx.tcx).ty; + // If we have a `&mut` ref, we need to reborrow. + if let ty::Ref(_, _, hir::Mutability::Mut) = ty.kind() { + // If we are in a loop this will be suggested later. + if !is_loop_move { + err.span_suggestion_verbose( + move_span.shrink_to_lo(), + &format!( + "consider creating a fresh reborrow of {} here", + self.describe_place(moved_place.as_ref()) + .map(|n| format!("`{}`", n)) + .unwrap_or_else(|| "the mutable reference".to_string()), + ), + format!("&mut *"), + Applicability::MachineApplicable, + ); + } + } else if let Ok(snippet) = sess.source_map().span_to_snippet(move_span) { err.span_suggestion( move_span, "consider borrowing to avoid moving into the for loop", @@ -1728,7 +1745,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { impl<'tcx> Visitor<'tcx> for FakeReadCauseFinder<'tcx> { fn visit_statement(&mut self, statement: &Statement<'tcx>, _: Location) { match statement { - Statement { kind: StatementKind::FakeRead(cause, box place), .. } + Statement { kind: StatementKind::FakeRead(box (cause, place)), .. } if *place == self.place => { self.cause = Some(*cause); diff --git a/compiler/rustc_mir/src/borrow_check/diagnostics/explain_borrow.rs b/compiler/rustc_mir/src/borrow_check/diagnostics/explain_borrow.rs index 06e3f4b91f61..2a388b8a72bb 100644 --- a/compiler/rustc_mir/src/borrow_check/diagnostics/explain_borrow.rs +++ b/compiler/rustc_mir/src/borrow_check/diagnostics/explain_borrow.rs @@ -515,7 +515,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { let block = &self.body.basic_blocks()[location.block]; let kind = if let Some(&Statement { - kind: StatementKind::FakeRead(FakeReadCause::ForLet, _), + kind: StatementKind::FakeRead(box (FakeReadCause::ForLet(_), _)), .. }) = block.statements.get(location.statement_index) { diff --git a/compiler/rustc_mir/src/borrow_check/diagnostics/mod.rs b/compiler/rustc_mir/src/borrow_check/diagnostics/mod.rs index 4f61b8d0910f..577d7d53814e 100644 --- a/compiler/rustc_mir/src/borrow_check/diagnostics/mod.rs +++ b/compiler/rustc_mir/src/borrow_check/diagnostics/mod.rs @@ -7,8 +7,8 @@ use rustc_hir::def_id::DefId; use rustc_hir::lang_items::LangItemGroup; use rustc_hir::GeneratorKind; use rustc_middle::mir::{ - AggregateKind, Constant, Field, Local, LocalInfo, LocalKind, Location, Operand, Place, - PlaceRef, ProjectionElem, Rvalue, Statement, StatementKind, Terminator, TerminatorKind, + AggregateKind, Constant, FakeReadCause, Field, Local, LocalInfo, LocalKind, Location, Operand, + Place, PlaceRef, ProjectionElem, Rvalue, Statement, StatementKind, Terminator, TerminatorKind, }; use rustc_middle::ty::print::Print; use rustc_middle::ty::{self, DefIdTree, Instance, Ty, TyCtxt}; @@ -502,7 +502,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { // lifetimes without names with the value `'0`. match ty.kind() { ty::Ref( - ty::RegionKind::ReLateBound(_, ty::BoundRegion { kind: br }) + ty::RegionKind::ReLateBound(_, ty::BoundRegion { kind: br, .. }) | ty::RegionKind::RePlaceholder(ty::PlaceholderRegion { name: br, .. }), _, _, @@ -523,7 +523,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { let region = match ty.kind() { ty::Ref(region, _, _) => { match region { - ty::RegionKind::ReLateBound(_, ty::BoundRegion { kind: br }) + ty::RegionKind::ReLateBound(_, ty::BoundRegion { kind: br, .. }) | ty::RegionKind::RePlaceholder(ty::PlaceholderRegion { name: br, .. }) => { printer.region_highlight_mode.highlighting_bound_region(*br, counter) } @@ -795,6 +795,24 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } } + // StatementKind::FakeRead only contains a def_id if they are introduced as a result + // of pattern matching within a closure. + if let StatementKind::FakeRead(box (cause, ref place)) = stmt.kind { + match cause { + FakeReadCause::ForMatchedPlace(Some(closure_def_id)) + | FakeReadCause::ForLet(Some(closure_def_id)) => { + debug!("move_spans: def_id={:?} place={:?}", closure_def_id, place); + let places = &[Operand::Move(*place)]; + if let Some((args_span, generator_kind, var_span)) = + self.closure_span(closure_def_id, moved_place, places) + { + return ClosureUse { generator_kind, args_span, var_span }; + } + } + _ => {} + } + } + let normal_ret = if moved_place.projection.iter().any(|p| matches!(p, ProjectionElem::Downcast(..))) { PatUse(stmt.source_info.span) diff --git a/compiler/rustc_mir/src/borrow_check/invalidation.rs b/compiler/rustc_mir/src/borrow_check/invalidation.rs index 1055e30a3a44..e621bafb671b 100644 --- a/compiler/rustc_mir/src/borrow_check/invalidation.rs +++ b/compiler/rustc_mir/src/borrow_check/invalidation.rs @@ -63,7 +63,7 @@ impl<'cx, 'tcx> Visitor<'tcx> for InvalidationGenerator<'cx, 'tcx> { self.mutate_place(location, *lhs, Shallow(None), JustWrite); } - StatementKind::FakeRead(_, _) => { + StatementKind::FakeRead(box (_, _)) => { // Only relevant for initialized/liveness/safety checks. } StatementKind::SetDiscriminant { place, variant_index: _ } => { @@ -204,8 +204,7 @@ impl<'cx, 'tcx> Visitor<'tcx> for InvalidationGenerator<'cx, 'tcx> { } => { for op in operands { match *op { - InlineAsmOperand::In { reg: _, ref value } - | InlineAsmOperand::Const { ref value } => { + InlineAsmOperand::In { reg: _, ref value } => { self.consume_operand(location, value); } InlineAsmOperand::Out { reg: _, late: _, place, .. } => { @@ -219,7 +218,8 @@ impl<'cx, 'tcx> Visitor<'tcx> for InvalidationGenerator<'cx, 'tcx> { self.mutate_place(location, out_place, Shallow(None), JustWrite); } } - InlineAsmOperand::SymFn { value: _ } + InlineAsmOperand::Const { value: _ } + | InlineAsmOperand::SymFn { value: _ } | InlineAsmOperand::SymStatic { def_id: _ } => {} } } diff --git a/compiler/rustc_mir/src/borrow_check/mod.rs b/compiler/rustc_mir/src/borrow_check/mod.rs index 583f73d5775d..2d1d83b1655a 100644 --- a/compiler/rustc_mir/src/borrow_check/mod.rs +++ b/compiler/rustc_mir/src/borrow_check/mod.rs @@ -574,7 +574,7 @@ impl<'cx, 'tcx> dataflow::ResultsVisitor<'cx, 'tcx> for MirBorrowckCtxt<'cx, 'tc self.mutate_place(location, (*lhs, span), Shallow(None), JustWrite, flow_state); } - StatementKind::FakeRead(_, box ref place) => { + StatementKind::FakeRead(box (_, ref place)) => { // Read for match doesn't access any memory and is used to // assert that a place is safe and live. So we don't have to // do any checks here. @@ -734,8 +734,7 @@ impl<'cx, 'tcx> dataflow::ResultsVisitor<'cx, 'tcx> for MirBorrowckCtxt<'cx, 'tc } => { for op in operands { match *op { - InlineAsmOperand::In { reg: _, ref value } - | InlineAsmOperand::Const { ref value } => { + InlineAsmOperand::In { reg: _, ref value } => { self.consume_operand(loc, (value, span), flow_state); } InlineAsmOperand::Out { reg: _, late: _, place, .. } => { @@ -761,7 +760,8 @@ impl<'cx, 'tcx> dataflow::ResultsVisitor<'cx, 'tcx> for MirBorrowckCtxt<'cx, 'tc ); } } - InlineAsmOperand::SymFn { value: _ } + InlineAsmOperand::Const { value: _ } + | InlineAsmOperand::SymFn { value: _ } | InlineAsmOperand::SymStatic { def_id: _ } => {} } } diff --git a/compiler/rustc_mir/src/borrow_check/type_check/input_output.rs b/compiler/rustc_mir/src/borrow_check/type_check/input_output.rs index 77d913662245..1bb447d10578 100644 --- a/compiler/rustc_mir/src/borrow_check/type_check/input_output.rs +++ b/compiler/rustc_mir/src/borrow_check/type_check/input_output.rs @@ -70,6 +70,12 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { // Equate expected input tys with those in the MIR. for (argument_index, &normalized_input_ty) in normalized_input_tys.iter().enumerate() { + if argument_index + 1 >= body.local_decls.len() { + self.tcx() + .sess + .delay_span_bug(body.span, "found more normalized_input_ty than local_decls"); + break; + } // In MIR, argument N is stored in local N+1. let local = Local::new(argument_index + 1); diff --git a/compiler/rustc_mir/src/borrow_check/type_check/mod.rs b/compiler/rustc_mir/src/borrow_check/type_check/mod.rs index fddd14018688..3248554e2042 100644 --- a/compiler/rustc_mir/src/borrow_check/type_check/mod.rs +++ b/compiler/rustc_mir/src/borrow_check/type_check/mod.rs @@ -2028,7 +2028,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { traits::ObligationCauseCode::RepeatVec(is_const_fn), ), self.param_env, - ty::Binder::bind(ty::TraitRef::new( + ty::Binder::dummy(ty::TraitRef::new( self.tcx().require_lang_item( LangItem::Copy, Some(self.last_span), diff --git a/compiler/rustc_mir/src/borrow_check/universal_regions.rs b/compiler/rustc_mir/src/borrow_check/universal_regions.rs index 68fa9d8bf985..c2ac1e289ce4 100644 --- a/compiler/rustc_mir/src/borrow_check/universal_regions.rs +++ b/compiler/rustc_mir/src/borrow_check/universal_regions.rs @@ -589,31 +589,45 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { &self, indices: &UniversalRegionIndices<'tcx>, defining_ty: DefiningTy<'tcx>, - ) -> ty::Binder<&'tcx ty::List>> { + ) -> ty::Binder<'tcx, &'tcx ty::List>> { let tcx = self.infcx.tcx; match defining_ty { DefiningTy::Closure(def_id, substs) => { assert_eq!(self.mir_def.did.to_def_id(), def_id); let closure_sig = substs.as_closure().sig(); let inputs_and_output = closure_sig.inputs_and_output(); - let closure_ty = tcx.closure_env_ty(def_id, substs).unwrap(); - ty::Binder::fuse(closure_ty, inputs_and_output, |closure_ty, inputs_and_output| { - // The "inputs" of the closure in the - // signature appear as a tuple. The MIR side - // flattens this tuple. - let (&output, tuplized_inputs) = inputs_and_output.split_last().unwrap(); - assert_eq!(tuplized_inputs.len(), 1, "multiple closure inputs"); - let inputs = match tuplized_inputs[0].kind() { - ty::Tuple(inputs) => inputs, - _ => bug!("closure inputs not a tuple: {:?}", tuplized_inputs[0]), - }; + let bound_vars = tcx.mk_bound_variable_kinds( + inputs_and_output + .bound_vars() + .iter() + .chain(iter::once(ty::BoundVariableKind::Region(ty::BrEnv))), + ); + let br = ty::BoundRegion { + var: ty::BoundVar::from_usize(bound_vars.len() - 1), + kind: ty::BrEnv, + }; + let env_region = ty::ReLateBound(ty::INNERMOST, br); + let closure_ty = tcx.closure_env_ty(def_id, substs, env_region).unwrap(); + + // The "inputs" of the closure in the + // signature appear as a tuple. The MIR side + // flattens this tuple. + let (&output, tuplized_inputs) = + inputs_and_output.skip_binder().split_last().unwrap(); + assert_eq!(tuplized_inputs.len(), 1, "multiple closure inputs"); + let inputs = match tuplized_inputs[0].kind() { + ty::Tuple(inputs) => inputs, + _ => bug!("closure inputs not a tuple: {:?}", tuplized_inputs[0]), + }; + ty::Binder::bind_with_vars( tcx.mk_type_list( iter::once(closure_ty) .chain(inputs.iter().map(|k| k.expect_ty())) .chain(iter::once(output)), - ) - }) + ), + bound_vars, + ) } DefiningTy::Generator(def_id, substs, movability) => { @@ -657,7 +671,7 @@ trait InferCtxtExt<'tcx> { &self, origin: NllRegionVariableOrigin, all_outlive_scope: LocalDefId, - value: ty::Binder, + value: ty::Binder<'tcx, T>, indices: &mut UniversalRegionIndices<'tcx>, ) -> T where @@ -686,7 +700,7 @@ impl<'cx, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'cx, 'tcx> { &self, origin: NllRegionVariableOrigin, all_outlive_scope: LocalDefId, - value: ty::Binder, + value: ty::Binder<'tcx, T>, indices: &mut UniversalRegionIndices<'tcx>, ) -> T where diff --git a/compiler/rustc_mir/src/const_eval/eval_queries.rs b/compiler/rustc_mir/src/const_eval/eval_queries.rs index fa234ff5feb6..d51adc8864de 100644 --- a/compiler/rustc_mir/src/const_eval/eval_queries.rs +++ b/compiler/rustc_mir/src/const_eval/eval_queries.rs @@ -5,6 +5,7 @@ use crate::interpret::{ Immediate, InternKind, InterpCx, InterpResult, MPlaceTy, MemoryKind, OpTy, RefTracking, Scalar, ScalarMaybeUninit, StackPopCleanup, }; +use crate::util::pretty::display_allocation; use rustc_errors::ErrorReported; use rustc_hir::def::DefKind; @@ -360,6 +361,15 @@ pub fn eval_to_allocation_raw_provider<'tcx>( "it is undefined behavior to use this value", |mut diag| { diag.note(note_on_undefined_behavior_error()); + diag.note(&format!( + "the raw bytes of the constant ({}", + display_allocation( + *ecx.tcx, + ecx.tcx + .global_alloc(mplace.ptr.assert_ptr().alloc_id) + .unwrap_memory() + ) + )); diag.emit(); }, )) diff --git a/compiler/rustc_mir/src/const_eval/mod.rs b/compiler/rustc_mir/src/const_eval/mod.rs index 77531ae2c5f0..3f14efc920f0 100644 --- a/compiler/rustc_mir/src/const_eval/mod.rs +++ b/compiler/rustc_mir/src/const_eval/mod.rs @@ -110,7 +110,7 @@ fn const_to_valtree_inner<'tcx>( let variant = ecx.read_discriminant(&place.into()).unwrap().1; - branches(def.variants[variant].fields.len(), Some(variant)) + branches(def.variants[variant].fields.len(), def.is_enum().then_some(variant)) } ty::Never diff --git a/compiler/rustc_mir/src/dataflow/framework/cursor.rs b/compiler/rustc_mir/src/dataflow/framework/cursor.rs index 4942bed656cc..c000e49c14bc 100644 --- a/compiler/rustc_mir/src/dataflow/framework/cursor.rs +++ b/compiler/rustc_mir/src/dataflow/framework/cursor.rs @@ -64,10 +64,6 @@ where } } - pub fn body(&self) -> &'mir mir::Body<'tcx> { - self.body - } - /// Returns the underlying `Results`. pub fn results(&self) -> &Results<'tcx, A> { &self.results.borrow() diff --git a/compiler/rustc_mir/src/dataflow/move_paths/builder.rs b/compiler/rustc_mir/src/dataflow/move_paths/builder.rs index 52b6e9f3753b..994b403abf3b 100644 --- a/compiler/rustc_mir/src/dataflow/move_paths/builder.rs +++ b/compiler/rustc_mir/src/dataflow/move_paths/builder.rs @@ -293,8 +293,8 @@ impl<'b, 'a, 'tcx> Gatherer<'b, 'a, 'tcx> { } self.gather_rvalue(rval); } - StatementKind::FakeRead(_, place) => { - self.create_move_path(**place); + StatementKind::FakeRead(box (_, place)) => { + self.create_move_path(*place); } StatementKind::LlvmInlineAsm(ref asm) => { for (output, kind) in iter::zip(&*asm.outputs, &asm.asm.outputs) { @@ -425,7 +425,7 @@ impl<'b, 'a, 'tcx> Gatherer<'b, 'a, 'tcx> { for op in operands { match *op { InlineAsmOperand::In { reg: _, ref value } - | InlineAsmOperand::Const { ref value } => { + => { self.gather_operand(value); } InlineAsmOperand::Out { reg: _, late: _, place, .. } => { @@ -441,7 +441,8 @@ impl<'b, 'a, 'tcx> Gatherer<'b, 'a, 'tcx> { self.gather_init(out_place.as_ref(), InitKind::Deep); } } - InlineAsmOperand::SymFn { value: _ } + InlineAsmOperand::Const { value: _ } + | InlineAsmOperand::SymFn { value: _ } | InlineAsmOperand::SymStatic { def_id: _ } => {} } } diff --git a/compiler/rustc_mir/src/interpret/eval_context.rs b/compiler/rustc_mir/src/interpret/eval_context.rs index 149a9f81ea0d..2d83d6cfbdc5 100644 --- a/compiler/rustc_mir/src/interpret/eval_context.rs +++ b/compiler/rustc_mir/src/interpret/eval_context.rs @@ -232,6 +232,8 @@ impl<'mir, 'tcx, Tag, Extra> Frame<'mir, 'tcx, Tag, Extra> { /// this frame (can happen e.g. during frame initialization, and during unwinding on /// frames without cleanup code). /// We basically abuse `Result` as `Either`. + /// + /// Used by priroda. pub fn current_loc(&self) -> Result { self.loc } @@ -459,11 +461,6 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { ty.size.truncate(value) } - #[inline] - pub fn type_is_sized(&self, ty: Ty<'tcx>) -> bool { - ty.is_sized(self.tcx, self.param_env) - } - #[inline] pub fn type_is_freeze(&self, ty: Ty<'tcx>) -> bool { ty.is_freeze(self.tcx, self.param_env) @@ -527,6 +524,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } } + #[inline(always)] pub fn layout_of_local( &self, frame: &Frame<'mir, 'tcx, M::PointerTag, M::FrameExtra>, diff --git a/compiler/rustc_mir/src/interpret/intrinsics.rs b/compiler/rustc_mir/src/interpret/intrinsics.rs index 25c3c2c632d8..d74ef66a4b23 100644 --- a/compiler/rustc_mir/src/interpret/intrinsics.rs +++ b/compiler/rustc_mir/src/interpret/intrinsics.rs @@ -171,8 +171,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { }; let val = self.tcx.const_eval_global_id(self.param_env, gid, Some(self.tcx.span))?; - let const_ = ty::Const { val: ty::ConstKind::Value(val), ty }; - let val = self.const_to_op(&const_, None)?; + let val = self.const_val_to_op(val, ty, Some(dest.layout))?; self.copy_op(&val, dest)?; } diff --git a/compiler/rustc_mir/src/interpret/intrinsics/type_name.rs b/compiler/rustc_mir/src/interpret/intrinsics/type_name.rs index e1ec4cc5e973..ae5e78ee33f4 100644 --- a/compiler/rustc_mir/src/interpret/intrinsics/type_name.rs +++ b/compiler/rustc_mir/src/interpret/intrinsics/type_name.rs @@ -74,7 +74,7 @@ impl<'tcx> Printer<'tcx> for AbsolutePathPrinter<'tcx> { fn print_dyn_existential( mut self, - predicates: &'tcx ty::List>>, + predicates: &'tcx ty::List>>, ) -> Result { let mut first = true; for p in predicates { diff --git a/compiler/rustc_mir/src/interpret/operand.rs b/compiler/rustc_mir/src/interpret/operand.rs index c70b57e631a8..50a205676fe0 100644 --- a/compiler/rustc_mir/src/interpret/operand.rs +++ b/compiler/rustc_mir/src/interpret/operand.rs @@ -77,14 +77,6 @@ impl<'tcx, Tag> Immediate { pub fn to_scalar(self) -> InterpResult<'tcx, Scalar> { self.to_scalar_or_uninit().check_init() } - - #[inline] - pub fn to_scalar_pair(self) -> InterpResult<'tcx, (Scalar, Scalar)> { - match self { - Immediate::Scalar(..) => bug!("Got a thin pointer where a scalar pair was expected"), - Immediate::ScalarPair(a, b) => Ok((a.check_init()?, b.check_init()?)), - } - } } // ScalarPair needs a type to interpret, so we often have an immediate and a type together @@ -578,7 +570,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> { match val { mir::ConstantKind::Ty(ct) => self.const_to_op(ct, layout), - mir::ConstantKind::Val(val, ty) => self.const_val_to_op(*val, ty, None), + mir::ConstantKind::Val(val, ty) => self.const_val_to_op(*val, ty, layout), } } diff --git a/compiler/rustc_mir/src/monomorphize/collector.rs b/compiler/rustc_mir/src/monomorphize/collector.rs index c5c701082e66..1fda71d74bbf 100644 --- a/compiler/rustc_mir/src/monomorphize/collector.rs +++ b/compiler/rustc_mir/src/monomorphize/collector.rs @@ -59,11 +59,15 @@ //! //! ### Discovering roots //! -//! The roots of the mono item graph correspond to the non-generic +//! The roots of the mono item graph correspond to the public non-generic //! syntactic items in the source code. We find them by walking the HIR of the -//! crate, and whenever we hit upon a function, method, or static item, we -//! create a mono item consisting of the items DefId and, since we only -//! consider non-generic items, an empty type-substitution set. +//! crate, and whenever we hit upon a public function, method, or static item, +//! we create a mono item consisting of the items DefId and, since we only +//! consider non-generic items, an empty type-substitution set. (In eager +//! collection mode, during incremental compilation, all non-generic functions +//! are considered as roots, as well as when the `-Clink-dead-code` option is +//! specified. Functions marked `#[no_mangle]` and functions called by inlinable +//! functions also always act as roots.) //! //! ### Finding neighbor nodes //! Given a mono item node, we can discover neighbors by inspecting its @@ -184,7 +188,6 @@ use rustc_hir::def_id::{DefId, DefIdMap, LocalDefId, LOCAL_CRATE}; use rustc_hir::itemlikevisit::ItemLikeVisitor; use rustc_hir::lang_items::LangItem; use rustc_index::bit_set::GrowableBitSet; -use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::mir::interpret::{AllocId, ConstValue}; use rustc_middle::mir::interpret::{ErrorHandled, GlobalAlloc, Scalar}; use rustc_middle::mir::mono::{InstantiationMode, MonoItem}; @@ -193,6 +196,7 @@ use rustc_middle::mir::{self, Local, Location}; use rustc_middle::ty::adjustment::{CustomCoerceUnsized, PointerCast}; use rustc_middle::ty::subst::{GenericArgKind, InternalSubsts}; use rustc_middle::ty::{self, GenericParamDefKind, Instance, Ty, TyCtxt, TypeFoldable}; +use rustc_middle::{middle::codegen_fn_attrs::CodegenFnAttrFlags, mir::visit::TyContext}; use rustc_session::config::EntryFnType; use rustc_span::source_map::{dummy_spanned, respan, Span, Spanned, DUMMY_SP}; use smallvec::SmallVec; @@ -638,6 +642,35 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirNeighborCollector<'a, 'tcx> { self.super_rvalue(rvalue, location); } + /// This does not walk the constant, as it has been handled entirely here and trying + /// to walk it would attempt to evaluate the `ty::Const` inside, which doesn't necessarily + /// work, as some constants cannot be represented in the type system. + fn visit_constant(&mut self, constant: &mir::Constant<'tcx>, location: Location) { + let literal = self.monomorphize(constant.literal); + let val = match literal { + mir::ConstantKind::Val(val, _) => val, + mir::ConstantKind::Ty(ct) => match ct.val { + ty::ConstKind::Value(val) => val, + ty::ConstKind::Unevaluated(ct) => { + let param_env = ty::ParamEnv::reveal_all(); + match self.tcx.const_eval_resolve(param_env, ct, None) { + // The `monomorphize` call should have evaluated that constant already. + Ok(val) => val, + Err(ErrorHandled::Reported(ErrorReported) | ErrorHandled::Linted) => return, + Err(ErrorHandled::TooGeneric) => span_bug!( + self.body.source_info(location).span, + "collection encountered polymorphic constant: {:?}", + literal + ), + } + } + _ => return, + }, + }; + collect_const_value(self.tcx, val, self.output); + self.visit_ty(literal.ty(), TyContext::Location(location)); + } + fn visit_const(&mut self, constant: &&'tcx ty::Const<'tcx>, location: Location) { debug!("visiting const {:?} @ {:?}", *constant, location); @@ -648,7 +681,13 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirNeighborCollector<'a, 'tcx> { ty::ConstKind::Value(val) => collect_const_value(self.tcx, val, self.output), ty::ConstKind::Unevaluated(unevaluated) => { match self.tcx.const_eval_resolve(param_env, unevaluated, None) { - Ok(val) => collect_const_value(self.tcx, val, self.output), + // The `monomorphize` call should have evaluated that constant already. + Ok(val) => span_bug!( + self.body.source_info(location).span, + "collection encountered the unevaluated constant {} which evaluated to {:?}", + substituted_constant, + val + ), Err(ErrorHandled::Reported(ErrorReported) | ErrorHandled::Linted) => {} Err(ErrorHandled::TooGeneric) => span_bug!( self.body.source_info(location).span, diff --git a/compiler/rustc_mir/src/monomorphize/mod.rs b/compiler/rustc_mir/src/monomorphize/mod.rs index d2586f0f84df..9ca4b6687f1b 100644 --- a/compiler/rustc_mir/src/monomorphize/mod.rs +++ b/compiler/rustc_mir/src/monomorphize/mod.rs @@ -8,14 +8,14 @@ pub mod collector; pub mod partitioning; pub mod polymorphize; -pub fn custom_coerce_unsize_info<'tcx>( +fn custom_coerce_unsize_info<'tcx>( tcx: TyCtxt<'tcx>, source_ty: Ty<'tcx>, target_ty: Ty<'tcx>, ) -> CustomCoerceUnsized { let def_id = tcx.require_lang_item(LangItem::CoerceUnsized, None); - let trait_ref = ty::Binder::bind(ty::TraitRef { + let trait_ref = ty::Binder::dummy(ty::TraitRef { def_id, substs: tcx.mk_substs_trait(source_ty, &[target_ty.into()]), }); diff --git a/compiler/rustc_mir/src/monomorphize/partitioning/mod.rs b/compiler/rustc_mir/src/monomorphize/partitioning/mod.rs index 04f31ec3a33c..dc2379fd92b8 100644 --- a/compiler/rustc_mir/src/monomorphize/partitioning/mod.rs +++ b/compiler/rustc_mir/src/monomorphize/partitioning/mod.rs @@ -196,13 +196,7 @@ pub fn partition<'tcx>( // Next we try to make as many symbols "internal" as possible, so LLVM has // more freedom to optimize. - if !tcx.sess.link_dead_code() && !tcx.sess.instrument_coverage() { - // Disabled for `-Z instrument-coverage` because some LLVM optimizations can sometimes - // break coverage results. Tests that failed at certain optimization levels are now - // validated at those optimization levels (via `compile-flags` directive); for example: - // * `src/test/run-make-fulldeps/coverage/async.rs` broke with `-C opt-level=1` - // * `src/test/run-make-fulldeps/coverage/closure.rs` broke with `-C opt-level=2`, and - // also required disabling `generate_gcu_internal_copies` in `rustc_middle/mir/mono.rs` + if !tcx.sess.link_dead_code() { let _prof_timer = tcx.prof.generic_activity("cgu_partitioning_internalize_symbols"); partitioner.internalize_symbols(cx, &mut post_inlining); } diff --git a/compiler/rustc_mir/src/transform/check_consts/validation.rs b/compiler/rustc_mir/src/transform/check_consts/validation.rs index 1ad7b8fbbd5e..ce5e41d3e7c8 100644 --- a/compiler/rustc_mir/src/transform/check_consts/validation.rs +++ b/compiler/rustc_mir/src/transform/check_consts/validation.rs @@ -850,9 +850,12 @@ impl Visitor<'tcx> for Validator<'mir, 'tcx> { let obligation = Obligation::new( ObligationCause::dummy(), param_env, - Binder::bind(TraitPredicate { - trait_ref: TraitRef::from_method(tcx, trait_id, substs), - }), + Binder::bind( + TraitPredicate { + trait_ref: TraitRef::from_method(tcx, trait_id, substs), + }, + tcx, + ), ); let implsrc = tcx.infer_ctxt().enter(|infcx| { diff --git a/compiler/rustc_mir/src/transform/coverage/spans.rs b/compiler/rustc_mir/src/transform/coverage/spans.rs index e7097ce86190..324d826b375c 100644 --- a/compiler/rustc_mir/src/transform/coverage/spans.rs +++ b/compiler/rustc_mir/src/transform/coverage/spans.rs @@ -683,10 +683,10 @@ pub(super) fn filtered_statement_span( // and `_1` is the `Place` for `somenum`. // // If and when the Issue is resolved, remove this special case match pattern: - StatementKind::FakeRead(cause, _) if cause == FakeReadCause::ForGuardBinding => None, + StatementKind::FakeRead(box (cause, _)) if cause == FakeReadCause::ForGuardBinding => None, // Retain spans from all other statements - StatementKind::FakeRead(_, _) // Not including `ForGuardBinding` + StatementKind::FakeRead(box (_, _)) // Not including `ForGuardBinding` | StatementKind::CopyNonOverlapping(..) | StatementKind::Assign(_) | StatementKind::SetDiscriminant { .. } diff --git a/compiler/rustc_mir/src/transform/dest_prop.rs b/compiler/rustc_mir/src/transform/dest_prop.rs index 6656deac967b..29df86ca6cdb 100644 --- a/compiler/rustc_mir/src/transform/dest_prop.rs +++ b/compiler/rustc_mir/src/transform/dest_prop.rs @@ -720,9 +720,6 @@ impl Conflicts<'a> { } } } - InlineAsmOperand::Const { value } => { - assert!(value.place().is_none()); - } InlineAsmOperand::InOut { reg: _, late: _, @@ -731,6 +728,7 @@ impl Conflicts<'a> { } | InlineAsmOperand::In { reg: _, value: _ } | InlineAsmOperand::Out { reg: _, late: _, place: None } + | InlineAsmOperand::Const { value: _ } | InlineAsmOperand::SymFn { value: _ } | InlineAsmOperand::SymStatic { def_id: _ } => {} } diff --git a/compiler/rustc_mir/src/transform/promote_consts.rs b/compiler/rustc_mir/src/transform/promote_consts.rs index c5a03f3a045b..1bbaf833c4fd 100644 --- a/compiler/rustc_mir/src/transform/promote_consts.rs +++ b/compiler/rustc_mir/src/transform/promote_consts.rs @@ -108,9 +108,6 @@ pub enum Candidate { /// the attribute currently provides the semantic requirement that arguments /// must be constant. Argument { bb: BasicBlock, index: usize }, - - /// `const` operand in asm!. - InlineAsm { bb: BasicBlock, index: usize }, } impl Candidate { @@ -118,16 +115,14 @@ impl Candidate { fn forces_explicit_promotion(&self) -> bool { match self { Candidate::Ref(_) => false, - Candidate::Argument { .. } | Candidate::InlineAsm { .. } => true, + Candidate::Argument { .. } => true, } } fn source_info(&self, body: &Body<'_>) -> SourceInfo { match self { Candidate::Ref(location) => *body.source_info(*location), - Candidate::Argument { bb, .. } | Candidate::InlineAsm { bb, .. } => { - *body.source_info(body.terminator_loc(*bb)) - } + Candidate::Argument { bb, .. } => *body.source_info(body.terminator_loc(*bb)), } } } @@ -217,36 +212,25 @@ impl<'tcx> Visitor<'tcx> for Collector<'_, 'tcx> { fn visit_terminator(&mut self, terminator: &Terminator<'tcx>, location: Location) { self.super_terminator(terminator, location); - match terminator.kind { - TerminatorKind::Call { ref func, .. } => { - if let ty::FnDef(def_id, _) = *func.ty(self.ccx.body, self.ccx.tcx).kind() { - let fn_sig = self.ccx.tcx.fn_sig(def_id); - if let Abi::RustIntrinsic | Abi::PlatformIntrinsic = fn_sig.abi() { - let name = self.ccx.tcx.item_name(def_id); - // FIXME(eddyb) use `#[rustc_args_required_const(2)]` for shuffles. - if name.as_str().starts_with("simd_shuffle") { - self.candidates - .push(Candidate::Argument { bb: location.block, index: 2 }); - - return; // Don't double count `simd_shuffle` candidates - } - } + if let TerminatorKind::Call { ref func, .. } = terminator.kind { + if let ty::FnDef(def_id, _) = *func.ty(self.ccx.body, self.ccx.tcx).kind() { + let fn_sig = self.ccx.tcx.fn_sig(def_id); + if let Abi::RustIntrinsic | Abi::PlatformIntrinsic = fn_sig.abi() { + let name = self.ccx.tcx.item_name(def_id); + // FIXME(eddyb) use `#[rustc_args_required_const(2)]` for shuffles. + if name.as_str().starts_with("simd_shuffle") { + self.candidates.push(Candidate::Argument { bb: location.block, index: 2 }); - if let Some(constant_args) = args_required_const(self.ccx.tcx, def_id) { - for index in constant_args { - self.candidates.push(Candidate::Argument { bb: location.block, index }); - } + return; // Don't double count `simd_shuffle` candidates } } - } - TerminatorKind::InlineAsm { ref operands, .. } => { - for (index, op) in operands.iter().enumerate() { - if let InlineAsmOperand::Const { .. } = op { - self.candidates.push(Candidate::InlineAsm { bb: location.block, index }) + + if let Some(constant_args) = args_required_const(self.ccx.tcx, def_id) { + for index in constant_args { + self.candidates.push(Candidate::Argument { bb: location.block, index }); } } } - _ => {} } } } @@ -335,18 +319,6 @@ impl<'tcx> Validator<'_, 'tcx> { _ => bug!(), } } - Candidate::InlineAsm { bb, index } => { - assert!(self.explicit); - - let terminator = self.body[bb].terminator(); - match &terminator.kind { - TerminatorKind::InlineAsm { operands, .. } => match &operands[index] { - InlineAsmOperand::Const { value } => self.validate_operand(value), - _ => bug!(), - }, - _ => bug!(), - } - } } } @@ -818,9 +790,7 @@ pub fn validate_candidates( } match candidate { - Candidate::Argument { bb, index } | Candidate::InlineAsm { bb, index } - if !is_promotable => - { + Candidate::Argument { bb, index } if !is_promotable => { let span = ccx.body[bb].terminator().source_info.span; let msg = format!("argument {} is required to be a constant", index + 1); ccx.tcx.sess.span_err(span, &msg); @@ -1089,24 +1059,6 @@ impl<'a, 'tcx> Promoter<'a, 'tcx> { _ => bug!(), } } - Candidate::InlineAsm { bb, index } => { - let terminator = blocks[bb].terminator_mut(); - match terminator.kind { - TerminatorKind::InlineAsm { ref mut operands, .. } => { - match &mut operands[index] { - InlineAsmOperand::Const { ref mut value } => { - let ty = value.ty(local_decls, self.tcx); - let span = terminator.source_info.span; - - Rvalue::Use(mem::replace(value, promoted_operand(ty, span))) - } - _ => bug!(), - } - } - - _ => bug!(), - } - } } }; @@ -1161,7 +1113,7 @@ pub fn promote_candidates<'tcx>( } } } - Candidate::Argument { .. } | Candidate::InlineAsm { .. } => {} + Candidate::Argument { .. } => {} } // Declare return place local so that `mir::Body::new` doesn't complain. diff --git a/compiler/rustc_mir/src/util/generic_graphviz.rs b/compiler/rustc_mir/src/util/generic_graphviz.rs index fd41e2822663..21c18b28e258 100644 --- a/compiler/rustc_mir/src/util/generic_graphviz.rs +++ b/compiler/rustc_mir/src/util/generic_graphviz.rs @@ -40,22 +40,6 @@ impl< } } - pub fn new_subgraph( - graph: &'a G, - graphviz_name: &str, - node_content_fn: NodeContentFn, - edge_labels_fn: EdgeLabelsFn, - ) -> Self { - Self { - graph, - is_subgraph: true, - graphviz_name: graphviz_name.to_owned(), - graph_label: None, - node_content_fn, - edge_labels_fn, - } - } - pub fn set_graph_label(&mut self, graph_label: &str) { self.graph_label = Some(graph_label.to_owned()); } diff --git a/compiler/rustc_mir/src/util/patch.rs b/compiler/rustc_mir/src/util/patch.rs index 6566a996fe44..d09195f53aec 100644 --- a/compiler/rustc_mir/src/util/patch.rs +++ b/compiler/rustc_mir/src/util/patch.rs @@ -13,7 +13,6 @@ pub struct MirPatch<'tcx> { new_locals: Vec>, resume_block: BasicBlock, next_local: usize, - make_nop: Vec, } impl<'tcx> MirPatch<'tcx> { @@ -25,7 +24,6 @@ impl<'tcx> MirPatch<'tcx> { new_locals: vec![], next_local: body.local_decls.len(), resume_block: START_BLOCK, - make_nop: vec![], }; // make sure the MIR we create has a resume block. It is @@ -117,15 +115,7 @@ impl<'tcx> MirPatch<'tcx> { self.add_statement(loc, StatementKind::Assign(box (place, rv))); } - pub fn make_nop(&mut self, loc: Location) { - self.make_nop.push(loc); - } - pub fn apply(self, body: &mut Body<'tcx>) { - debug!("MirPatch: make nops at: {:?}", self.make_nop); - for loc in self.make_nop { - body.make_statement_nop(loc); - } debug!( "MirPatch: {:?} new temps, starting from index {}: {:?}", self.new_locals.len(), diff --git a/compiler/rustc_mir/src/util/pretty.rs b/compiler/rustc_mir/src/util/pretty.rs index 1bf010ffca75..3b88aec16b26 100644 --- a/compiler/rustc_mir/src/util/pretty.rs +++ b/compiler/rustc_mir/src/util/pretty.rs @@ -452,7 +452,11 @@ impl Visitor<'tcx> for ExtraComments<'tcx> { match literal { ConstantKind::Ty(literal) => self.push(&format!("+ literal: {:?}", literal)), ConstantKind::Val(val, ty) => { - self.push(&format!("+ literal: {:?}, {}", val, ty)) + // To keep the diffs small, we render this almost like we render ty::Const + self.push(&format!( + "+ literal: Const {{ ty: {}, val: Value({:?}) }}", + ty, val + )) } } } @@ -465,7 +469,21 @@ impl Visitor<'tcx> for ExtraComments<'tcx> { if use_verbose(ty) { self.push("ty::Const"); self.push(&format!("+ ty: {:?}", ty)); - self.push(&format!("+ val: {:?}", val)); + let val = match val { + ty::ConstKind::Param(p) => format!("Param({})", p), + ty::ConstKind::Infer(infer) => format!("Infer({:?})", infer), + ty::ConstKind::Bound(idx, var) => format!("Bound({:?}, {:?})", idx, var), + ty::ConstKind::Placeholder(ph) => format!("PlaceHolder({:?})", ph), + ty::ConstKind::Unevaluated(uv) => format!( + "Unevaluated({}, {:?}, {:?})", + self.tcx.def_path_str(uv.def.did), + uv.substs, + uv.promoted + ), + ty::ConstKind::Value(val) => format!("Value({:?})", val), + ty::ConstKind::Error(_) => format!("Error"), + }; + self.push(&format!("+ val: {}", val)); } } diff --git a/compiler/rustc_mir_build/src/build/cfg.rs b/compiler/rustc_mir_build/src/build/cfg.rs index e562e52f8410..fd4a783d12a0 100644 --- a/compiler/rustc_mir_build/src/build/cfg.rs +++ b/compiler/rustc_mir_build/src/build/cfg.rs @@ -80,7 +80,7 @@ impl<'tcx> CFG<'tcx> { cause: FakeReadCause, place: Place<'tcx>, ) { - let kind = StatementKind::FakeRead(cause, box place); + let kind = StatementKind::FakeRead(box (cause, place)); let stmt = Statement { source_info, kind }; self.push(block, stmt); } diff --git a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs index 7f24a41b00bb..822fbd91c947 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs @@ -179,24 +179,20 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // match x { _ => () } // fake read of `x` // }; // ``` - // FIXME(RFC2229): Remove feature gate once diagnostics are improved - if this.tcx.features().capture_disjoint_fields { - for (thir_place, cause, hir_id) in fake_reads.into_iter() { - let place_builder = - unpack!(block = this.as_place_builder(block, thir_place)); - - if let Ok(place_builder_resolved) = - place_builder.try_upvars_resolved(this.tcx, this.typeck_results) - { - let mir_place = - place_builder_resolved.into_place(this.tcx, this.typeck_results); - this.cfg.push_fake_read( - block, - this.source_info(this.tcx.hir().span(*hir_id)), - *cause, - mir_place, - ); - } + for (thir_place, cause, hir_id) in fake_reads.into_iter() { + let place_builder = unpack!(block = this.as_place_builder(block, thir_place)); + + if let Ok(place_builder_resolved) = + place_builder.try_upvars_resolved(this.tcx, this.typeck_results) + { + let mir_place = + place_builder_resolved.into_place(this.tcx, this.typeck_results); + this.cfg.push_fake_read( + block, + this.source_info(this.tcx.hir().span(*hir_id)), + *cause, + mir_place, + ); } } diff --git a/compiler/rustc_mir_build/src/build/expr/into.rs b/compiler/rustc_mir_build/src/build/expr/into.rs index 2097f38c25d7..1e7ed3d95d23 100644 --- a/compiler/rustc_mir_build/src/build/expr/into.rs +++ b/compiler/rustc_mir_build/src/build/expr/into.rs @@ -111,18 +111,17 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { ExprKind::LogicalOp { op, lhs, rhs } => { // And: // - // [block: If(lhs)] -true-> [else_block: If(rhs)] -true-> [true_block] - // | | (false) - // +----------false-----------+------------------> [false_block] + // [block: If(lhs)] -true-> [else_block: dest = (rhs)] + // | (false) + // [shortcurcuit_block: dest = false] // // Or: // - // [block: If(lhs)] -false-> [else_block: If(rhs)] -true-> [true_block] - // | (true) | (false) - // [true_block] [false_block] + // [block: If(lhs)] -false-> [else_block: dest = (rhs)] + // | (true) + // [shortcurcuit_block: dest = true] - let (true_block, false_block, mut else_block, join_block) = ( - this.cfg.start_new_block(), + let (shortcircuit_block, mut else_block, join_block) = ( this.cfg.start_new_block(), this.cfg.start_new_block(), this.cfg.start_new_block(), @@ -130,41 +129,31 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { let lhs = unpack!(block = this.as_local_operand(block, lhs)); let blocks = match op { - LogicalOp::And => (else_block, false_block), - LogicalOp::Or => (true_block, else_block), + LogicalOp::And => (else_block, shortcircuit_block), + LogicalOp::Or => (shortcircuit_block, else_block), }; let term = TerminatorKind::if_(this.tcx, lhs, blocks.0, blocks.1); this.cfg.terminate(block, source_info, term); - let rhs = unpack!(else_block = this.as_local_operand(else_block, rhs)); - let term = TerminatorKind::if_(this.tcx, rhs, true_block, false_block); - this.cfg.terminate(else_block, source_info, term); - this.cfg.push_assign_constant( - true_block, + shortcircuit_block, source_info, destination, Constant { span: expr_span, user_ty: None, - literal: ty::Const::from_bool(this.tcx, true).into(), + literal: match op { + LogicalOp::And => ty::Const::from_bool(this.tcx, false).into(), + LogicalOp::Or => ty::Const::from_bool(this.tcx, true).into(), + }, }, ); + this.cfg.goto(shortcircuit_block, source_info, join_block); - this.cfg.push_assign_constant( - false_block, - source_info, - destination, - Constant { - span: expr_span, - user_ty: None, - literal: ty::Const::from_bool(this.tcx, false).into(), - }, - ); + let rhs = unpack!(else_block = this.as_local_operand(else_block, rhs)); + this.cfg.push_assign(else_block, source_info, destination, Rvalue::Use(rhs)); + this.cfg.goto(else_block, source_info, join_block); - // Link up both branches: - this.cfg.goto(true_block, source_info, join_block); - this.cfg.goto(false_block, source_info, join_block); join_block.unit() } ExprKind::Loop { body } => { @@ -366,9 +355,11 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { }), } } - thir::InlineAsmOperand::Const { expr } => mir::InlineAsmOperand::Const { - value: unpack!(block = this.as_local_operand(block, expr)), - }, + thir::InlineAsmOperand::Const { value, span } => { + mir::InlineAsmOperand::Const { + value: box Constant { span, user_ty: None, literal: value.into() }, + } + } thir::InlineAsmOperand::SymFn { expr } => { mir::InlineAsmOperand::SymFn { value: box this.as_constant(expr) } } diff --git a/compiler/rustc_mir_build/src/build/matches/mod.rs b/compiler/rustc_mir_build/src/build/matches/mod.rs index 73fd3f0feb59..0e422dc3c637 100644 --- a/compiler/rustc_mir_build/src/build/matches/mod.rs +++ b/compiler/rustc_mir_build/src/build/matches/mod.rs @@ -139,7 +139,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // uninhabited value. If we get never patterns, those will check that // the place is initialized, and so this read would only be used to // check safety. - let cause_matched_place = FakeReadCause::ForMatchedPlace; + let cause_matched_place = FakeReadCause::ForMatchedPlace(None); let source_info = self.source_info(scrutinee_span); if let Ok(scrutinee_builder) = @@ -400,7 +400,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // Inject a fake read, see comments on `FakeReadCause::ForLet`. let source_info = self.source_info(irrefutable_pat.span); - self.cfg.push_fake_read(block, source_info, FakeReadCause::ForLet, place); + self.cfg.push_fake_read(block, source_info, FakeReadCause::ForLet(None), place); self.schedule_drop_for_binding(var, irrefutable_pat.span, OutsideGuard); block.unit() @@ -435,7 +435,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // Inject a fake read, see comments on `FakeReadCause::ForLet`. let pattern_source_info = self.source_info(irrefutable_pat.span); - let cause_let = FakeReadCause::ForLet; + let cause_let = FakeReadCause::ForLet(None); self.cfg.push_fake_read(block, pattern_source_info, cause_let, place); let ty_source_info = self.source_info(user_ty_span); diff --git a/compiler/rustc_mir_build/src/build/mod.rs b/compiler/rustc_mir_build/src/build/mod.rs index 9f1de3349a56..c90f94c6d63f 100644 --- a/compiler/rustc_mir_build/src/build/mod.rs +++ b/compiler/rustc_mir_build/src/build/mod.rs @@ -252,8 +252,13 @@ fn liberated_closure_env_ty( _ => bug!("closure expr does not have closure type: {:?}", closure_ty), }; - let closure_env_ty = tcx.closure_env_ty(closure_def_id, closure_substs).unwrap(); - tcx.erase_late_bound_regions(closure_env_ty) + let bound_vars = + tcx.mk_bound_variable_kinds(std::iter::once(ty::BoundVariableKind::Region(ty::BrEnv))); + let br = + ty::BoundRegion { var: ty::BoundVar::from_usize(bound_vars.len() - 1), kind: ty::BrEnv }; + let env_region = ty::ReLateBound(ty::INNERMOST, br); + let closure_env_ty = tcx.closure_env_ty(closure_def_id, closure_substs, env_region).unwrap(); + tcx.erase_late_bound_regions(ty::Binder::bind_with_vars(closure_env_ty, bound_vars)) } #[derive(Debug, PartialEq, Eq)] diff --git a/compiler/rustc_mir_build/src/thir/cx/expr.rs b/compiler/rustc_mir_build/src/thir/cx/expr.rs index 9abee283160a..924278e1a7fb 100644 --- a/compiler/rustc_mir_build/src/thir/cx/expr.rs +++ b/compiler/rustc_mir_build/src/thir/cx/expr.rs @@ -503,8 +503,12 @@ impl<'thir, 'tcx> Cx<'thir, 'tcx> { in_expr: self.mirror_expr(in_expr), out_expr: out_expr.as_ref().map(|expr| self.mirror_expr(expr)), }, - hir::InlineAsmOperand::Const { ref expr } => { - InlineAsmOperand::Const { expr: self.mirror_expr(expr) } + hir::InlineAsmOperand::Const { ref anon_const } => { + let anon_const_def_id = self.tcx.hir().local_def_id(anon_const.hir_id); + let value = ty::Const::from_anon_const(self.tcx, anon_const_def_id); + let span = self.tcx.hir().span(anon_const.hir_id); + + InlineAsmOperand::Const { value, span } } hir::InlineAsmOperand::Sym { ref expr } => { let qpath = match expr.kind { diff --git a/compiler/rustc_mir_build/src/thir/mod.rs b/compiler/rustc_mir_build/src/thir/mod.rs index 6f20195db0b5..f4596d523d07 100644 --- a/compiler/rustc_mir_build/src/thir/mod.rs +++ b/compiler/rustc_mir_build/src/thir/mod.rs @@ -374,7 +374,8 @@ pub enum InlineAsmOperand<'thir, 'tcx> { out_expr: Option<&'thir Expr<'thir, 'tcx>>, }, Const { - expr: &'thir Expr<'thir, 'tcx>, + value: &'tcx Const<'tcx>, + span: Span, }, SymFn { expr: &'thir Expr<'thir, 'tcx>, diff --git a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs index ef1419b5b743..c0624c805a68 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs @@ -246,6 +246,18 @@ impl<'a, 'tcx> ConstToPat<'a, 'tcx> { }) } + fn field_pats( + &self, + vals: impl Iterator>, + ) -> Result>, FallbackToConstRef> { + vals.enumerate() + .map(|(idx, val)| { + let field = Field::new(idx); + Ok(FieldPat { field, pattern: self.recur(val, false)? }) + }) + .collect() + } + // Recursive helper for `to_pat`; invoke that (instead of calling this directly). fn recur( &self, @@ -257,16 +269,6 @@ impl<'a, 'tcx> ConstToPat<'a, 'tcx> { let tcx = self.tcx(); let param_env = self.param_env; - let field_pats = |vals: &[&'tcx ty::Const<'tcx>]| -> Result<_, _> { - vals.iter() - .enumerate() - .map(|(idx, val)| { - let field = Field::new(idx); - Ok(FieldPat { field, pattern: self.recur(val, false)? }) - }) - .collect() - }; - let kind = match cv.ty.kind() { ty::Float(_) => { tcx.struct_span_lint_hir( @@ -361,12 +363,12 @@ impl<'a, 'tcx> ConstToPat<'a, 'tcx> { variant_index: destructured .variant .expect("destructed const of adt without variant id"), - subpatterns: field_pats(destructured.fields)?, + subpatterns: self.field_pats(destructured.fields.iter().copied())?, } } ty::Tuple(_) | ty::Adt(_, _) => { let destructured = tcx.destructure_const(param_env.and(cv)); - PatKind::Leaf { subpatterns: field_pats(destructured.fields)? } + PatKind::Leaf { subpatterns: self.field_pats(destructured.fields.iter().copied())? } } ty::Array(..) => PatKind::Array { prefix: tcx diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index fe190bfe9d98..02ee268b88c2 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -107,7 +107,7 @@ impl<'a> Parser<'a> { } } - pub(super) fn parse_anon_const_expr(&mut self) -> PResult<'a, AnonConst> { + pub fn parse_anon_const_expr(&mut self) -> PResult<'a, AnonConst> { self.parse_expr().map(|value| AnonConst { id: DUMMY_NODE_ID, value }) } diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 85add83f88bf..df292b141760 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -9,7 +9,7 @@ use rustc_middle::ty::query::Providers; use rustc_middle::ty::TyCtxt; use rustc_ast::{Attribute, Lit, LitKind, NestedMetaItem}; -use rustc_errors::{pluralize, struct_span_err}; +use rustc_errors::{pluralize, struct_span_err, Applicability}; use rustc_hir as hir; use rustc_hir::def_id::LocalDefId; use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor}; @@ -648,10 +648,10 @@ impl CheckAttrVisitor<'tcx> { | sym::masked | sym::no_default_passes | sym::no_inline + | sym::notable_trait | sym::passes | sym::plugins | sym::primitive - | sym::spotlight | sym::test => {} _ => { @@ -660,11 +660,23 @@ impl CheckAttrVisitor<'tcx> { hir_id, i_meta.span, |lint| { - let msg = format!( + let mut diag = lint.build(&format!( "unknown `doc` attribute `{}`", rustc_ast_pretty::pprust::path_to_string(&i_meta.path), - ); - lint.build(&msg).emit(); + )); + if i_meta.has_name(sym::spotlight) { + diag.note( + "`doc(spotlight)` was renamed to `doc(notable_trait)`", + ); + diag.span_suggestion_short( + i_meta.span, + "use `notable_trait` instead", + String::from("notable_trait"), + Applicability::MachineApplicable, + ); + diag.note("`doc(spotlight)` is now a no-op"); + } + diag.emit(); }, ); is_valid = false; @@ -1115,17 +1127,41 @@ impl CheckAttrVisitor<'tcx> { let mut is_transparent = false; for hint in &hints { + if !hint.is_meta_item() { + struct_span_err!( + self.tcx.sess, + hint.span(), + E0565, + "meta item in `repr` must be an identifier" + ) + .emit(); + continue; + } + let (article, allowed_targets) = match hint.name_or_empty() { - _ if !matches!(target, Target::Struct | Target::Enum | Target::Union) => { - ("a", "struct, enum, or union") - } - name @ sym::C | name @ sym::align => { - is_c |= name == sym::C; + sym::C => { + is_c = true; match target { Target::Struct | Target::Union | Target::Enum => continue, _ => ("a", "struct, enum, or union"), } } + sym::align => { + if let (Target::Fn, true) = (target, !self.tcx.features().fn_align) { + feature_err( + &self.tcx.sess.parse_sess, + sym::fn_align, + hint.span(), + "`repr(align)` attributes on functions are unstable", + ) + .emit(); + } + + match target { + Target::Struct | Target::Union | Target::Enum | Target::Fn => continue, + _ => ("a", "struct, enum, function, or union"), + } + } sym::packed => { if target != Target::Struct && target != Target::Union { ("a", "struct or union") @@ -1182,7 +1218,17 @@ impl CheckAttrVisitor<'tcx> { continue; } } - _ => continue, + _ => { + struct_span_err!( + self.tcx.sess, + hint.span(), + E0552, + "unrecognized representation hint" + ) + .emit(); + + continue; + } }; struct_span_err!( diff --git a/compiler/rustc_passes/src/entry.rs b/compiler/rustc_passes/src/entry.rs index 57848208f945..e53f821e6daf 100644 --- a/compiler/rustc_passes/src/entry.rs +++ b/compiler/rustc_passes/src/entry.rs @@ -171,7 +171,7 @@ fn configure_main( } fn no_main_err(tcx: TyCtxt<'_>, visitor: &EntryContext<'_, '_>) { - let sp = tcx.hir().krate().item.span; + let sp = tcx.hir().krate().item.inner; if *tcx.sess.parse_sess.reached_eof.borrow() { // There's an unclosed brace that made the parser reach `Eof`, we shouldn't complain about // the missing `fn main()` then as it might have been hidden inside an unclosed block. diff --git a/compiler/rustc_passes/src/intrinsicck.rs b/compiler/rustc_passes/src/intrinsicck.rs index 0f4bb635eeef..3f095d0e8242 100644 --- a/compiler/rustc_passes/src/intrinsicck.rs +++ b/compiler/rustc_passes/src/intrinsicck.rs @@ -347,7 +347,7 @@ impl ExprVisitor<'tcx> { } fn check_asm(&self, asm: &hir::InlineAsm<'tcx>) { - for (idx, (op, _op_sp)) in asm.operands.iter().enumerate() { + for (idx, (op, op_sp)) in asm.operands.iter().enumerate() { match *op { hir::InlineAsmOperand::In { reg, ref expr } => { self.check_asm_operand_type(idx, reg, expr, asm.template, None); @@ -372,14 +372,15 @@ impl ExprVisitor<'tcx> { ); } } - hir::InlineAsmOperand::Const { ref expr } => { - let ty = self.typeck_results.expr_ty_adjusted(expr); - match ty.kind() { + hir::InlineAsmOperand::Const { ref anon_const } => { + let anon_const_def_id = self.tcx.hir().local_def_id(anon_const.hir_id); + let value = ty::Const::from_anon_const(self.tcx, anon_const_def_id); + match value.ty.kind() { ty::Int(_) | ty::Uint(_) | ty::Float(_) => {} _ => { let msg = "asm `const` arguments must be integer or floating-point values"; - self.tcx.sess.span_err(expr.span, msg); + self.tcx.sess.span_err(*op_sp, msg); } } } diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs index f24309fa9502..e22a108aaf07 100644 --- a/compiler/rustc_passes/src/liveness.rs +++ b/compiler/rustc_passes/src/liveness.rs @@ -1067,7 +1067,6 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> { for (op, _op_sp) in asm.operands.iter().rev() { match op { hir::InlineAsmOperand::In { expr, .. } - | hir::InlineAsmOperand::Const { expr, .. } | hir::InlineAsmOperand::Sym { expr, .. } => { succ = self.propagate_through_expr(expr, succ) } @@ -1085,6 +1084,7 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> { } succ = self.propagate_through_expr(in_expr, succ); } + hir::InlineAsmOperand::Const { .. } => {} } } succ diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs index e54b1796aaa5..9c4f9b1198cf 100644 --- a/compiler/rustc_passes/src/stability.rs +++ b/compiler/rustc_passes/src/stability.rs @@ -686,7 +686,7 @@ fn new_index(tcx: TyCtxt<'tcx>) -> Index<'tcx> { annotator.annotate( hir::CRATE_HIR_ID, - krate.item.span, + krate.item.inner, AnnotationKind::Required, InheritDeprecation::Yes, InheritConstStability::No, @@ -885,7 +885,7 @@ pub fn check_unused_or_stable_features(tcx: TyCtxt<'_>) { if tcx.stability().staged_api[&LOCAL_CRATE] { let krate = tcx.hir().krate(); let mut missing = MissingStabilityAnnotations { tcx, access_levels }; - missing.check_missing_stability(hir::CRATE_HIR_ID, krate.item.span); + missing.check_missing_stability(hir::CRATE_HIR_ID, krate.item.inner); intravisit::walk_crate(&mut missing, krate); krate.visit_all_item_likes(&mut missing.as_deep_visitor()); } diff --git a/compiler/rustc_query_impl/src/keys.rs b/compiler/rustc_query_impl/src/keys.rs index e467f4198633..1fdb37398f99 100644 --- a/compiler/rustc_query_impl/src/keys.rs +++ b/compiler/rustc_query_impl/src/keys.rs @@ -255,6 +255,15 @@ impl<'tcx> Key for GenericArg<'tcx> { } } +impl<'tcx> Key for mir::ConstantKind<'tcx> { + fn query_crate(&self) -> CrateNum { + LOCAL_CRATE + } + fn default_span(&self, _: TyCtxt<'_>) -> Span { + DUMMY_SP + } +} + impl<'tcx> Key for &'tcx ty::Const<'tcx> { fn query_crate(&self) -> CrateNum { LOCAL_CRATE diff --git a/compiler/rustc_query_impl/src/lib.rs b/compiler/rustc_query_impl/src/lib.rs index e9314797fbdc..00d886000faa 100644 --- a/compiler/rustc_query_impl/src/lib.rs +++ b/compiler/rustc_query_impl/src/lib.rs @@ -19,8 +19,7 @@ extern crate tracing; use rustc_data_structures::fingerprint::Fingerprint; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_errors::{DiagnosticBuilder, Handler}; -use rustc_hir::def_id::CrateNum; -use rustc_index::vec::IndexVec; +use rustc_hir::def_id::LOCAL_CRATE; use rustc_middle::dep_graph; use rustc_middle::ich::StableHashingContext; use rustc_middle::ty::query::{query_keys, query_storage, query_stored, query_values}; diff --git a/compiler/rustc_query_impl/src/plumbing.rs b/compiler/rustc_query_impl/src/plumbing.rs index 37a176de9419..4194b28dc7d6 100644 --- a/compiler/rustc_query_impl/src/plumbing.rs +++ b/compiler/rustc_query_impl/src/plumbing.rs @@ -390,13 +390,12 @@ macro_rules! define_queries { #[inline] fn compute(tcx: QueryCtxt<'tcx>, key: Self::Key) -> Self::Value { - let provider = tcx.queries.providers.get(key.query_crate()) - // HACK(eddyb) it's possible crates may be loaded after - // the query engine is created, and because crate loading - // is not yet integrated with the query engine, such crates - // would be missing appropriate entries in `providers`. - .unwrap_or(&tcx.queries.fallback_extern_providers) - .$name; + let is_local = key.query_crate() == LOCAL_CRATE; + let provider = if is_local { + tcx.queries.local_providers.$name + } else { + tcx.queries.extern_providers.$name + }; provider(*tcx, key) } @@ -478,10 +477,7 @@ macro_rules! define_queries { return } - debug_assert!(tcx.dep_graph - .node_color(dep_node) - .map(|c| c.is_green()) - .unwrap_or(false)); + debug_assert!(tcx.dep_graph.is_green(dep_node)); let key = recover(*tcx, dep_node).unwrap_or_else(|| panic!("Failed to recover key for {:?} with hash {}", dep_node, dep_node.hash)); if queries::$name::cache_on_disk(tcx, &key, None) { @@ -507,8 +503,8 @@ macro_rules! define_queries_struct { (tcx: $tcx:tt, input: ($(([$($modifiers:tt)*] [$($attr:tt)*] [$name:ident]))*)) => { pub struct Queries<$tcx> { - providers: IndexVec, - fallback_extern_providers: Box, + local_providers: Box, + extern_providers: Box, $($(#[$attr])* $name: QueryState< crate::dep_graph::DepKind, @@ -518,12 +514,12 @@ macro_rules! define_queries_struct { impl<$tcx> Queries<$tcx> { pub fn new( - providers: IndexVec, - fallback_extern_providers: Providers, + local_providers: Providers, + extern_providers: Providers, ) -> Self { Queries { - providers, - fallback_extern_providers: Box::new(fallback_extern_providers), + local_providers: Box::new(local_providers), + extern_providers: Box::new(extern_providers), $($name: Default::default()),* } } diff --git a/compiler/rustc_query_system/src/cache.rs b/compiler/rustc_query_system/src/cache.rs index c6dc7b4fe285..d592812f79b6 100644 --- a/compiler/rustc_query_system/src/cache.rs +++ b/compiler/rustc_query_system/src/cache.rs @@ -3,7 +3,6 @@ use crate::dep_graph::{DepContext, DepNodeIndex}; use rustc_data_structures::fx::FxHashMap; -use rustc_data_structures::sync::HashMapExt; use rustc_data_structures::sync::Lock; use std::hash::Hash; @@ -34,13 +33,6 @@ impl Cache { pub fn insert(&self, key: Key, dep_node: DepNodeIndex, value: Value) { self.hashmap.borrow_mut().insert(key, WithDepNode::new(dep_node, value)); } - - pub fn insert_same(&self, key: Key, dep_node: DepNodeIndex, value: Value) - where - Value: Eq, - { - self.hashmap.borrow_mut().insert_same(key, WithDepNode::new(dep_node, value)); - } } #[derive(Clone, Eq, PartialEq)] diff --git a/compiler/rustc_query_system/src/dep_graph/debug.rs b/compiler/rustc_query_system/src/dep_graph/debug.rs index 718a2f1039a4..a544ac2c343a 100644 --- a/compiler/rustc_query_system/src/dep_graph/debug.rs +++ b/compiler/rustc_query_system/src/dep_graph/debug.rs @@ -1,6 +1,8 @@ //! Code for debugging the dep-graph. -use super::{DepKind, DepNode}; +use super::{DepKind, DepNode, DepNodeIndex}; +use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::sync::Lock; use std::error::Error; /// A dep-node filter goes from a user-defined string to a query over @@ -34,13 +36,14 @@ impl DepNodeFilter { /// A filter like `F -> G` where `F` and `G` are valid dep-node /// filters. This can be used to test the source/target independently. -pub struct EdgeFilter { +pub struct EdgeFilter { pub source: DepNodeFilter, pub target: DepNodeFilter, + pub index_to_node: Lock>>, } -impl EdgeFilter { - pub fn new(test: &str) -> Result> { +impl EdgeFilter { + pub fn new(test: &str) -> Result, Box> { let parts: Vec<_> = test.split("->").collect(); if parts.len() != 2 { Err(format!("expected a filter like `a&b -> c&d`, not `{}`", test).into()) @@ -48,11 +51,13 @@ impl EdgeFilter { Ok(EdgeFilter { source: DepNodeFilter::new(parts[0]), target: DepNodeFilter::new(parts[1]), + index_to_node: Lock::new(FxHashMap::default()), }) } } - pub fn test(&self, source: &DepNode, target: &DepNode) -> bool { + #[cfg(debug_assertions)] + pub fn test(&self, source: &DepNode, target: &DepNode) -> bool { self.source.test(source) && self.target.test(target) } } diff --git a/compiler/rustc_query_system/src/dep_graph/graph.rs b/compiler/rustc_query_system/src/dep_graph/graph.rs index 0f25572170f5..7a0fc320663f 100644 --- a/compiler/rustc_query_system/src/dep_graph/graph.rs +++ b/compiler/rustc_query_system/src/dep_graph/graph.rs @@ -1,31 +1,33 @@ use rustc_data_structures::fingerprint::Fingerprint; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::profiling::QueryInvocationId; +use rustc_data_structures::profiling::SelfProfilerRef; use rustc_data_structures::sharded::{self, Sharded}; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; -use rustc_data_structures::sync::{AtomicU32, AtomicU64, Lock, LockGuard, Lrc, Ordering}; +use rustc_data_structures::steal::Steal; +use rustc_data_structures::sync::{AtomicU32, AtomicU64, Lock, Lrc, Ordering}; use rustc_data_structures::unlikely; use rustc_errors::Diagnostic; -use rustc_index::vec::{Idx, IndexVec}; -use rustc_serialize::{Encodable, Encoder}; +use rustc_index::vec::IndexVec; +use rustc_serialize::opaque::{FileEncodeResult, FileEncoder}; use parking_lot::{Condvar, Mutex}; use smallvec::{smallvec, SmallVec}; use std::collections::hash_map::Entry; -use std::env; use std::hash::Hash; use std::marker::PhantomData; use std::mem; -use std::ops::Range; use std::sync::atomic::Ordering::Relaxed; -use super::debug::EdgeFilter; use super::prev::PreviousDepGraph; use super::query::DepGraphQuery; -use super::serialized::SerializedDepNodeIndex; +use super::serialized::{GraphEncoder, SerializedDepNodeIndex}; use super::{DepContext, DepKind, DepNode, HasDepContext, WorkProductId}; use crate::query::QueryContext; +#[cfg(debug_assertions)] +use {super::debug::EdgeFilter, std::env}; + #[derive(Clone)] pub struct DepGraph { data: Option>>, @@ -109,6 +111,9 @@ impl DepGraph { pub fn new( prev_graph: PreviousDepGraph, prev_work_products: FxHashMap, + encoder: FileEncoder, + record_graph: bool, + record_stats: bool, ) -> DepGraph { let prev_graph_node_count = prev_graph.node_count(); @@ -116,7 +121,12 @@ impl DepGraph { data: Some(Lrc::new(DepGraphData { previous_work_products: prev_work_products, dep_node_debug: Default::default(), - current: CurrentDepGraph::new(prev_graph_node_count), + current: CurrentDepGraph::new( + prev_graph_node_count, + encoder, + record_graph, + record_stats, + ), emitting_diagnostics: Default::default(), emitting_diagnostics_cond_var: Condvar::new(), previous: prev_graph, @@ -136,62 +146,10 @@ impl DepGraph { self.data.is_some() } - pub fn query(&self) -> DepGraphQuery { - let data = self.data.as_ref().unwrap(); - let previous = &data.previous; - - // Note locking order: `prev_index_to_index`, then `data`. - let prev_index_to_index = data.current.prev_index_to_index.lock(); - let data = data.current.data.lock(); - let node_count = data.hybrid_indices.len(); - let edge_count = self.edge_count(&data); - - let mut nodes = Vec::with_capacity(node_count); - let mut edge_list_indices = Vec::with_capacity(node_count); - let mut edge_list_data = Vec::with_capacity(edge_count); - - // See `DepGraph`'s `Encodable` implementation for notes on the approach used here. - - edge_list_data.extend(data.unshared_edges.iter().map(|i| i.index())); - - for &hybrid_index in data.hybrid_indices.iter() { - match hybrid_index.into() { - HybridIndex::New(new_index) => { - nodes.push(data.new.nodes[new_index]); - let edges = &data.new.edges[new_index]; - edge_list_indices.push((edges.start.index(), edges.end.index())); - } - HybridIndex::Red(red_index) => { - nodes.push(previous.index_to_node(data.red.node_indices[red_index])); - let edges = &data.red.edges[red_index]; - edge_list_indices.push((edges.start.index(), edges.end.index())); - } - HybridIndex::LightGreen(lg_index) => { - nodes.push(previous.index_to_node(data.light_green.node_indices[lg_index])); - let edges = &data.light_green.edges[lg_index]; - edge_list_indices.push((edges.start.index(), edges.end.index())); - } - HybridIndex::DarkGreen(prev_index) => { - nodes.push(previous.index_to_node(prev_index)); - - let edges_iter = previous - .edge_targets_from(prev_index) - .iter() - .map(|&dst| prev_index_to_index[dst].unwrap().index()); - - let start = edge_list_data.len(); - edge_list_data.extend(edges_iter); - let end = edge_list_data.len(); - edge_list_indices.push((start, end)); - } - } + pub fn with_query(&self, f: impl Fn(&DepGraphQuery)) { + if let Some(data) = &self.data { + data.current.encoder.borrow().with_query(f) } - - debug_assert_eq!(nodes.len(), node_count); - debug_assert_eq!(edge_list_indices.len(), node_count); - debug_assert_eq!(edge_list_data.len(), edge_count); - - DepGraphQuery::new(&nodes[..], &edge_list_indices[..], &edge_list_data[..]) } pub fn assert_ignored(&self) { @@ -283,56 +241,16 @@ impl DepGraph { let print_status = cfg!(debug_assertions) && dcx.sess().opts.debugging_opts.dep_tasks; // Intern the new `DepNode`. - let dep_node_index = if let Some(prev_index) = data.previous.node_to_index_opt(&key) { - // Determine the color and index of the new `DepNode`. - let (color, dep_node_index) = if let Some(current_fingerprint) = current_fingerprint - { - if current_fingerprint == data.previous.fingerprint_by_index(prev_index) { - if print_status { - eprintln!("[task::green] {:?}", key); - } - - // This is a light green node: it existed in the previous compilation, - // its query was re-executed, and it has the same result as before. - let dep_node_index = - data.current.intern_light_green_node(&data.previous, prev_index, edges); - - (DepNodeColor::Green(dep_node_index), dep_node_index) - } else { - if print_status { - eprintln!("[task::red] {:?}", key); - } - - // This is a red node: it existed in the previous compilation, its query - // was re-executed, but it has a different result from before. - let dep_node_index = data.current.intern_red_node( - &data.previous, - prev_index, - edges, - current_fingerprint, - ); - - (DepNodeColor::Red, dep_node_index) - } - } else { - if print_status { - eprintln!("[task::unknown] {:?}", key); - } - - // This is a red node, effectively: it existed in the previous compilation - // session, its query was re-executed, but it doesn't compute a result hash - // (i.e. it represents a `no_hash` query), so we have no way of determining - // whether or not the result was the same as before. - let dep_node_index = data.current.intern_red_node( - &data.previous, - prev_index, - edges, - Fingerprint::ZERO, - ); - - (DepNodeColor::Red, dep_node_index) - }; + let (dep_node_index, prev_and_color) = data.current.intern_node( + dcx.profiler(), + &data.previous, + key, + edges, + current_fingerprint, + print_status, + ); + if let Some((prev_index, color)) = prev_and_color { debug_assert!( data.colors.get(prev_index).is_none(), "DepGraph::with_task() - Duplicate DepNodeColor \ @@ -341,20 +259,7 @@ impl DepGraph { ); data.colors.insert(prev_index, color); - dep_node_index - } else { - if print_status { - eprintln!("[task::new] {:?}", key); - } - - // This is a new node: it didn't exist in the previous compilation session. - data.current.intern_new_node( - &data.previous, - key, - edges, - current_fingerprint.unwrap_or(Fingerprint::ZERO), - ) - }; + } (result, dep_node_index) } else { @@ -368,7 +273,12 @@ impl DepGraph { /// Executes something within an "anonymous" task, that is, a task the /// `DepNode` of which is determined by the list of inputs it read from. - pub fn with_anon_task(&self, dep_kind: K, op: OP) -> (R, DepNodeIndex) + pub fn with_anon_task, OP, R>( + &self, + cx: Ctxt, + dep_kind: K, + op: OP, + ) -> (R, DepNodeIndex) where OP: FnOnce() -> R, { @@ -396,7 +306,7 @@ impl DepGraph { }; let dep_node_index = data.current.intern_new_node( - &data.previous, + cx.profiler(), target_dep_node, task_deps.reads, Fingerprint::ZERO, @@ -451,7 +361,7 @@ impl DepGraph { { if let Some(target) = task_deps.node { if let Some(ref forbidden_edge) = data.current.forbidden_edge { - let src = self.dep_node_of(dep_node_index); + let src = forbidden_edge.index_to_node.lock()[&dep_node_index]; if forbidden_edge.test(&src, &target) { panic!("forbidden edge {:?} -> {:?} created", src, target) } @@ -488,38 +398,6 @@ impl DepGraph { self.data.is_some() && self.dep_node_index_of_opt(dep_node).is_some() } - #[inline] - pub fn dep_node_of(&self, dep_node_index: DepNodeIndex) -> DepNode { - let data = self.data.as_ref().unwrap(); - let previous = &data.previous; - let data = data.current.data.lock(); - - match data.hybrid_indices[dep_node_index].into() { - HybridIndex::New(new_index) => data.new.nodes[new_index], - HybridIndex::Red(red_index) => previous.index_to_node(data.red.node_indices[red_index]), - HybridIndex::LightGreen(light_green_index) => { - previous.index_to_node(data.light_green.node_indices[light_green_index]) - } - HybridIndex::DarkGreen(prev_index) => previous.index_to_node(prev_index), - } - } - - #[inline] - pub fn fingerprint_of(&self, dep_node_index: DepNodeIndex) -> Fingerprint { - let data = self.data.as_ref().unwrap(); - let previous = &data.previous; - let data = data.current.data.lock(); - - match data.hybrid_indices[dep_node_index].into() { - HybridIndex::New(new_index) => data.new.fingerprints[new_index], - HybridIndex::Red(red_index) => data.red.fingerprints[red_index], - HybridIndex::LightGreen(light_green_index) => { - previous.fingerprint_by_index(data.light_green.node_indices[light_green_index]) - } - HybridIndex::DarkGreen(prev_index) => previous.fingerprint_by_index(prev_index), - } - } - pub fn prev_fingerprint_of(&self, dep_node: &DepNode) -> Option { self.data.as_ref().unwrap().previous.fingerprint_of(dep_node) } @@ -554,29 +432,13 @@ impl DepGraph { self.data.as_ref()?.dep_node_debug.borrow().get(&dep_node).cloned() } - fn edge_count(&self, node_data: &LockGuard<'_, DepNodeData>) -> usize { - let data = self.data.as_ref().unwrap(); - let previous = &data.previous; - - let mut edge_count = node_data.unshared_edges.len(); - - for &hybrid_index in node_data.hybrid_indices.iter() { - if let HybridIndex::DarkGreen(prev_index) = hybrid_index.into() { - edge_count += previous.edge_targets_from(prev_index).len() - } - } - - edge_count - } - - pub fn node_color(&self, dep_node: &DepNode) -> Option { + fn node_color(&self, dep_node: &DepNode) -> Option { if let Some(ref data) = self.data { if let Some(prev_index) = data.previous.node_to_index_opt(dep_node) { return data.colors.get(prev_index); } else { - // This is a node that did not exist in the previous compilation - // session, so we consider it to be red. - return Some(DepNodeColor::Red); + // This is a node that did not exist in the previous compilation session. + return None; } } @@ -775,11 +637,13 @@ impl DepGraph { // There may be multiple threads trying to mark the same dep node green concurrently - let dep_node_index = { - // We allocating an entry for the node in the current dependency graph and - // adding all the appropriate edges imported from the previous graph - data.current.intern_dark_green_node(&data.previous, prev_dep_node_index) - }; + // We allocating an entry for the node in the current dependency graph and + // adding all the appropriate edges imported from the previous graph + let dep_node_index = data.current.promote_node_and_deps_to_current( + tcx.dep_context().profiler(), + &data.previous, + prev_dep_node_index, + ); // ... emitting any stored diagnostic ... @@ -862,6 +726,12 @@ impl DepGraph { } } + // Returns true if the given node has been marked as red during the + // current compilation session. Used in various assertions + pub fn is_red(&self, dep_node: &DepNode) -> bool { + self.node_color(dep_node) == Some(DepNodeColor::Red) + } + // Returns true if the given node has been marked as green during the // current compilation session. Used in various assertions pub fn is_green(&self, dep_node: &DepNode) -> bool { @@ -911,106 +781,20 @@ impl DepGraph { } pub fn print_incremental_info(&self) { - #[derive(Clone)] - struct Stat { - kind: Kind, - node_counter: u64, - edge_counter: u64, + if let Some(data) = &self.data { + data.current.encoder.borrow().print_incremental_info( + data.current.total_read_count.load(Relaxed), + data.current.total_duplicate_read_count.load(Relaxed), + ) } + } - let data = self.data.as_ref().unwrap(); - let prev = &data.previous; - let current = &data.current; - let data = current.data.lock(); - - let mut stats: FxHashMap<_, Stat> = FxHashMap::with_hasher(Default::default()); - - for &hybrid_index in data.hybrid_indices.iter() { - let (kind, edge_count) = match hybrid_index.into() { - HybridIndex::New(new_index) => { - let kind = data.new.nodes[new_index].kind; - let edge_range = &data.new.edges[new_index]; - (kind, edge_range.end.as_usize() - edge_range.start.as_usize()) - } - HybridIndex::Red(red_index) => { - let kind = prev.index_to_node(data.red.node_indices[red_index]).kind; - let edge_range = &data.red.edges[red_index]; - (kind, edge_range.end.as_usize() - edge_range.start.as_usize()) - } - HybridIndex::LightGreen(lg_index) => { - let kind = prev.index_to_node(data.light_green.node_indices[lg_index]).kind; - let edge_range = &data.light_green.edges[lg_index]; - (kind, edge_range.end.as_usize() - edge_range.start.as_usize()) - } - HybridIndex::DarkGreen(prev_index) => { - let kind = prev.index_to_node(prev_index).kind; - let edge_count = prev.edge_targets_from(prev_index).len(); - (kind, edge_count) - } - }; - - let stat = stats.entry(kind).or_insert(Stat { kind, node_counter: 0, edge_counter: 0 }); - stat.node_counter += 1; - stat.edge_counter += edge_count as u64; - } - - let total_node_count = data.hybrid_indices.len(); - let total_edge_count = self.edge_count(&data); - - // Drop the lock guard. - std::mem::drop(data); - - let mut stats: Vec<_> = stats.values().cloned().collect(); - stats.sort_by_key(|s| -(s.node_counter as i64)); - - const SEPARATOR: &str = "[incremental] --------------------------------\ - ----------------------------------------------\ - ------------"; - - eprintln!("[incremental]"); - eprintln!("[incremental] DepGraph Statistics"); - eprintln!("{}", SEPARATOR); - eprintln!("[incremental]"); - eprintln!("[incremental] Total Node Count: {}", total_node_count); - eprintln!("[incremental] Total Edge Count: {}", total_edge_count); - - if cfg!(debug_assertions) { - let total_edge_reads = current.total_read_count.load(Relaxed); - let total_duplicate_edge_reads = current.total_duplicate_read_count.load(Relaxed); - - eprintln!("[incremental] Total Edge Reads: {}", total_edge_reads); - eprintln!("[incremental] Total Duplicate Edge Reads: {}", total_duplicate_edge_reads); - } - - eprintln!("[incremental]"); - - eprintln!( - "[incremental] {:<36}| {:<17}| {:<12}| {:<17}|", - "Node Kind", "Node Frequency", "Node Count", "Avg. Edge Count" - ); - - eprintln!( - "[incremental] -------------------------------------\ - |------------------\ - |-------------\ - |------------------|" - ); - - for stat in stats { - let node_kind_ratio = (100.0 * (stat.node_counter as f64)) / (total_node_count as f64); - let node_kind_avg_edges = (stat.edge_counter as f64) / (stat.node_counter as f64); - - eprintln!( - "[incremental] {:<36}|{:>16.1}% |{:>12} |{:>17.1} |", - format!("{:?}", stat.kind), - node_kind_ratio, - stat.node_counter, - node_kind_avg_edges, - ); + pub fn encode(&self, profiler: &SelfProfilerRef) -> FileEncodeResult { + if let Some(data) = &self.data { + data.current.encoder.steal().finish(profiler) + } else { + Ok(()) } - - eprintln!("{}", SEPARATOR); - eprintln!("[incremental]"); } fn next_virtual_depnode_index(&self) -> DepNodeIndex { @@ -1019,142 +803,6 @@ impl DepGraph { } } -impl> Encodable for DepGraph { - fn encode(&self, e: &mut E) -> Result<(), E::Error> { - // We used to serialize the dep graph by creating and serializing a `SerializedDepGraph` - // using data copied from the `DepGraph`. But copying created a large memory spike, so we - // now serialize directly from the `DepGraph` as if it's a `SerializedDepGraph`. Because we - // deserialize that data into a `SerializedDepGraph` in the next compilation session, we - // need `DepGraph`'s `Encodable` and `SerializedDepGraph`'s `Decodable` implementations to - // be in sync. If you update this encoding, be sure to update the decoding, and vice-versa. - - let data = self.data.as_ref().unwrap(); - let prev = &data.previous; - - // Note locking order: `prev_index_to_index`, then `data`. - let prev_index_to_index = data.current.prev_index_to_index.lock(); - let data = data.current.data.lock(); - let new = &data.new; - let red = &data.red; - let lg = &data.light_green; - - let node_count = data.hybrid_indices.len(); - let edge_count = self.edge_count(&data); - - // `rustc_middle::ty::query::OnDiskCache` expects nodes to be encoded in `DepNodeIndex` - // order. The edges in `edge_list_data` don't need to be in a particular order, as long as - // each node references its edges as a contiguous range within it. Therefore, we can encode - // `edge_list_data` directly from `unshared_edges`. It meets the above requirements, as - // each non-dark-green node already knows the range of edges to reference within it, which - // they'll encode in `edge_list_indices`. Dark green nodes, however, don't have their edges - // in `unshared_edges`, so need to add them to `edge_list_data`. - - use HybridIndex::*; - - // Encoded values (nodes, etc.) are explicitly typed below to avoid inadvertently - // serializing data in the wrong format (i.e. one incompatible with `SerializedDepGraph`). - e.emit_struct("SerializedDepGraph", 4, |e| { - e.emit_struct_field("nodes", 0, |e| { - // `SerializedDepGraph` expects this to be encoded as a sequence of `DepNode`s. - e.emit_seq(node_count, |e| { - for (seq_index, &hybrid_index) in data.hybrid_indices.iter().enumerate() { - let node: DepNode = match hybrid_index.into() { - New(i) => new.nodes[i], - Red(i) => prev.index_to_node(red.node_indices[i]), - LightGreen(i) => prev.index_to_node(lg.node_indices[i]), - DarkGreen(prev_index) => prev.index_to_node(prev_index), - }; - - e.emit_seq_elt(seq_index, |e| node.encode(e))?; - } - - Ok(()) - }) - })?; - - e.emit_struct_field("fingerprints", 1, |e| { - // `SerializedDepGraph` expects this to be encoded as a sequence of `Fingerprints`s. - e.emit_seq(node_count, |e| { - for (seq_index, &hybrid_index) in data.hybrid_indices.iter().enumerate() { - let fingerprint: Fingerprint = match hybrid_index.into() { - New(i) => new.fingerprints[i], - Red(i) => red.fingerprints[i], - LightGreen(i) => prev.fingerprint_by_index(lg.node_indices[i]), - DarkGreen(prev_index) => prev.fingerprint_by_index(prev_index), - }; - - e.emit_seq_elt(seq_index, |e| fingerprint.encode(e))?; - } - - Ok(()) - }) - })?; - - e.emit_struct_field("edge_list_indices", 2, |e| { - // `SerializedDepGraph` expects this to be encoded as a sequence of `(u32, u32)`s. - e.emit_seq(node_count, |e| { - // Dark green node edges start after the unshared (all other nodes') edges. - let mut dark_green_edge_index = data.unshared_edges.len(); - - for (seq_index, &hybrid_index) in data.hybrid_indices.iter().enumerate() { - let edge_indices: (u32, u32) = match hybrid_index.into() { - New(i) => (new.edges[i].start.as_u32(), new.edges[i].end.as_u32()), - Red(i) => (red.edges[i].start.as_u32(), red.edges[i].end.as_u32()), - LightGreen(i) => (lg.edges[i].start.as_u32(), lg.edges[i].end.as_u32()), - DarkGreen(prev_index) => { - let edge_count = prev.edge_targets_from(prev_index).len(); - let start = dark_green_edge_index as u32; - dark_green_edge_index += edge_count; - let end = dark_green_edge_index as u32; - (start, end) - } - }; - - e.emit_seq_elt(seq_index, |e| edge_indices.encode(e))?; - } - - assert_eq!(dark_green_edge_index, edge_count); - - Ok(()) - }) - })?; - - e.emit_struct_field("edge_list_data", 3, |e| { - // `SerializedDepGraph` expects this to be encoded as a sequence of - // `SerializedDepNodeIndex`. - e.emit_seq(edge_count, |e| { - for (seq_index, &edge) in data.unshared_edges.iter().enumerate() { - let serialized_edge = SerializedDepNodeIndex::new(edge.index()); - e.emit_seq_elt(seq_index, |e| serialized_edge.encode(e))?; - } - - let mut seq_index = data.unshared_edges.len(); - - for &hybrid_index in data.hybrid_indices.iter() { - if let DarkGreen(prev_index) = hybrid_index.into() { - for &edge in prev.edge_targets_from(prev_index) { - // Dark green node edges are stored in the previous graph - // and must be converted to edges in the current graph, - // and then serialized as `SerializedDepNodeIndex`. - let serialized_edge = SerializedDepNodeIndex::new( - prev_index_to_index[edge].as_ref().unwrap().index(), - ); - - e.emit_seq_elt(seq_index, |e| serialized_edge.encode(e))?; - seq_index += 1; - } - } - } - - assert_eq!(seq_index, edge_count); - - Ok(()) - }) - }) - }) - } -} - /// A "work product" is an intermediate result that we save into the /// incremental directory for later re-use. The primary example are /// the object files that we save for each partition at code @@ -1193,216 +841,20 @@ pub struct WorkProduct { pub saved_file: Option, } -// The maximum value of the follow index types leaves the upper two bits unused -// so that we can store multiple index types in `CompressedHybridIndex`, and use -// those bits to encode which index type it contains. - -// Index type for `NewDepNodeData`. -rustc_index::newtype_index! { - struct NewDepNodeIndex { - MAX = 0x7FFF_FFFF - } -} - -// Index type for `RedDepNodeData`. -rustc_index::newtype_index! { - struct RedDepNodeIndex { - MAX = 0x7FFF_FFFF - } -} - -// Index type for `LightGreenDepNodeData`. -rustc_index::newtype_index! { - struct LightGreenDepNodeIndex { - MAX = 0x7FFF_FFFF - } -} - -/// Compressed representation of `HybridIndex` enum. Bits unused by the -/// contained index types are used to encode which index type it contains. -#[derive(Copy, Clone)] -struct CompressedHybridIndex(u32); - -impl CompressedHybridIndex { - const NEW_TAG: u32 = 0b0000_0000_0000_0000_0000_0000_0000_0000; - const RED_TAG: u32 = 0b0100_0000_0000_0000_0000_0000_0000_0000; - const LIGHT_GREEN_TAG: u32 = 0b1000_0000_0000_0000_0000_0000_0000_0000; - const DARK_GREEN_TAG: u32 = 0b1100_0000_0000_0000_0000_0000_0000_0000; - - const TAG_MASK: u32 = 0b1100_0000_0000_0000_0000_0000_0000_0000; - const INDEX_MASK: u32 = !Self::TAG_MASK; -} - -impl From for CompressedHybridIndex { - #[inline] - fn from(index: NewDepNodeIndex) -> Self { - CompressedHybridIndex(Self::NEW_TAG | index.as_u32()) - } -} - -impl From for CompressedHybridIndex { - #[inline] - fn from(index: RedDepNodeIndex) -> Self { - CompressedHybridIndex(Self::RED_TAG | index.as_u32()) - } -} - -impl From for CompressedHybridIndex { - #[inline] - fn from(index: LightGreenDepNodeIndex) -> Self { - CompressedHybridIndex(Self::LIGHT_GREEN_TAG | index.as_u32()) - } -} - -impl From for CompressedHybridIndex { - #[inline] - fn from(index: SerializedDepNodeIndex) -> Self { - CompressedHybridIndex(Self::DARK_GREEN_TAG | index.as_u32()) - } -} - -/// Contains an index into one of several node data collections. Elsewhere, we -/// store `CompressedHyridIndex` instead of this to save space, but convert to -/// this type during processing to take advantage of the enum match ergonomics. -enum HybridIndex { - New(NewDepNodeIndex), - Red(RedDepNodeIndex), - LightGreen(LightGreenDepNodeIndex), - DarkGreen(SerializedDepNodeIndex), -} - -impl From for HybridIndex { - #[inline] - fn from(hybrid_index: CompressedHybridIndex) -> Self { - let index = hybrid_index.0 & CompressedHybridIndex::INDEX_MASK; - - match hybrid_index.0 & CompressedHybridIndex::TAG_MASK { - CompressedHybridIndex::NEW_TAG => HybridIndex::New(NewDepNodeIndex::from_u32(index)), - CompressedHybridIndex::RED_TAG => HybridIndex::Red(RedDepNodeIndex::from_u32(index)), - CompressedHybridIndex::LIGHT_GREEN_TAG => { - HybridIndex::LightGreen(LightGreenDepNodeIndex::from_u32(index)) - } - CompressedHybridIndex::DARK_GREEN_TAG => { - HybridIndex::DarkGreen(SerializedDepNodeIndex::from_u32(index)) - } - _ => unreachable!(), - } - } -} - // Index type for `DepNodeData`'s edges. rustc_index::newtype_index! { struct EdgeIndex { .. } } -/// Data for nodes in the current graph, divided into different collections -/// based on their presence in the previous graph, and if present, their color. -/// We divide nodes this way because different types of nodes are able to share -/// more or less data with the previous graph. -/// -/// To enable more sharing, we distinguish between two kinds of green nodes. -/// Light green nodes are nodes in the previous graph that have been marked -/// green because we re-executed their queries and the results were the same as -/// in the previous session. Dark green nodes are nodes in the previous graph -/// that have been marked green because we were able to mark all of their -/// dependencies green. -/// -/// Both light and dark green nodes can share the dep node and fingerprint with -/// the previous graph, but for light green nodes, we can't be sure that the -/// edges may be shared without comparing them against the previous edges, so we -/// store them directly (an approach in which we compare edges with the previous -/// edges to see if they can be shared was evaluated, but was not found to be -/// very profitable). -/// -/// For dark green nodes, we can share everything with the previous graph, which -/// is why the `HybridIndex::DarkGreen` enum variant contains the index of the -/// node in the previous graph, and why we don't have a separate collection for -/// dark green node data--the collection is the `PreviousDepGraph` itself. -/// -/// (Note that for dark green nodes, the edges in the previous graph -/// (`SerializedDepNodeIndex`s) must be converted to edges in the current graph -/// (`DepNodeIndex`s). `CurrentDepGraph` contains `prev_index_to_index`, which -/// can perform this conversion. It should always be possible, as by definition, -/// a dark green node is one whose dependencies from the previous session have -/// all been marked green--which means `prev_index_to_index` contains them.) -/// -/// Node data is stored in parallel vectors to eliminate the padding between -/// elements that would be needed to satisfy alignment requirements of the -/// structure that would contain all of a node's data. We could group tightly -/// packing subsets of node data together and use fewer vectors, but for -/// consistency's sake, we use separate vectors for each piece of data. -struct DepNodeData { - /// Data for nodes not in previous graph. - new: NewDepNodeData, - - /// Data for nodes in previous graph that have been marked red. - red: RedDepNodeData, - - /// Data for nodes in previous graph that have been marked light green. - light_green: LightGreenDepNodeData, - - // Edges for all nodes other than dark-green ones. Edges for each node - // occupy a contiguous region of this collection, which a node can reference - // using two indices. Storing edges this way rather than using an `EdgesVec` - // for each node reduces memory consumption by a not insignificant amount - // when compiling large crates. The downside is that we have to copy into - // this collection the edges from the `EdgesVec`s that are built up during - // query execution. But this is mostly balanced out by the more efficient - // implementation of `DepGraph::serialize` enabled by this representation. - unshared_edges: IndexVec, - - /// Mapping from `DepNodeIndex` to an index into a collection above. - /// Indicates which of the above collections contains a node's data. - /// - /// This collection is wasteful in time and space during incr-full builds, - /// because for those, all nodes are new. However, the waste is relatively - /// small, and the maintenance cost of avoiding using this for incr-full - /// builds is somewhat high and prone to bugginess. It does not seem worth - /// it at the time of this writing, but we may want to revisit the idea. - hybrid_indices: IndexVec, -} - -/// Data for nodes not in previous graph. Since we cannot share any data with -/// the previous graph, so we must store all of such a node's data here. -struct NewDepNodeData { - nodes: IndexVec>, - edges: IndexVec>, - fingerprints: IndexVec, -} - -/// Data for nodes in previous graph that have been marked red. We can share the -/// dep node with the previous graph, but the edges may be different, and the -/// fingerprint is known to be different, so we store the latter two directly. -struct RedDepNodeData { - node_indices: IndexVec, - edges: IndexVec>, - fingerprints: IndexVec, -} - -/// Data for nodes in previous graph that have been marked green because we -/// re-executed their queries and the results were the same as in the previous -/// session. We can share the dep node and the fingerprint with the previous -/// graph, but the edges may be different, so we store them directly. -struct LightGreenDepNodeData { - node_indices: IndexVec, - edges: IndexVec>, -} - /// `CurrentDepGraph` stores the dependency graph for the current session. It /// will be populated as we run queries or tasks. We never remove nodes from the /// graph: they are only added. /// -/// The nodes in it are identified by a `DepNodeIndex`. Internally, this maps to -/// a `HybridIndex`, which identifies which collection in the `data` field -/// contains a node's data. Which collection is used for a node depends on -/// whether the node was present in the `PreviousDepGraph`, and if so, the color -/// of the node. Each type of node can share more or less data with the previous -/// graph. When possible, we can store just the index of the node in the -/// previous graph, rather than duplicating its data in our own collections. -/// This is important, because these graph structures are some of the largest in -/// the compiler. +/// The nodes in it are identified by a `DepNodeIndex`. We avoid keeping the nodes +/// in memory. This is important, because these graph structures are some of the +/// largest in the compiler. /// -/// For the same reason, we also avoid storing `DepNode`s more than once as map +/// For this reason, we avoid storing `DepNode`s more than once as map /// keys. The `new_node_to_index` map only contains nodes not in the previous /// graph, and we map nodes in the previous graph to indices via a two-step /// mapping. `PreviousDepGraph` maps from `DepNode` to `SerializedDepNodeIndex`, @@ -1417,15 +869,15 @@ struct LightGreenDepNodeData { /// `new_node_to_index` and `data`, or `prev_index_to_index` and `data`. When /// manipulating both, we acquire `new_node_to_index` or `prev_index_to_index` /// first, and `data` second. -pub(super) struct CurrentDepGraph { - data: Lock>, +pub(super) struct CurrentDepGraph { + encoder: Steal>, new_node_to_index: Sharded, DepNodeIndex>>, prev_index_to_index: Lock>>, /// Used to trap when a specific edge is added to the graph. /// This is used for debug purposes and is only active with `debug_assertions`. - #[allow(dead_code)] - forbidden_edge: Option, + #[cfg(debug_assertions)] + forbidden_edge: Option>, /// Anonymous `DepNode`s are nodes whose IDs we compute from the list of /// their edges. This has the beneficial side-effect that multiple anonymous @@ -1447,7 +899,12 @@ pub(super) struct CurrentDepGraph { } impl CurrentDepGraph { - fn new(prev_graph_node_count: usize) -> CurrentDepGraph { + fn new( + prev_graph_node_count: usize, + encoder: FileEncoder, + record_graph: bool, + record_stats: bool, + ) -> CurrentDepGraph { use std::time::{SystemTime, UNIX_EPOCH}; let duration = SystemTime::now().duration_since(UNIX_EPOCH).unwrap(); @@ -1455,70 +912,29 @@ impl CurrentDepGraph { let mut stable_hasher = StableHasher::new(); nanos.hash(&mut stable_hasher); - let forbidden_edge = if cfg!(debug_assertions) { - match env::var("RUST_FORBID_DEP_GRAPH_EDGE") { - Ok(s) => match EdgeFilter::new(&s) { - Ok(f) => Some(f), - Err(err) => panic!("RUST_FORBID_DEP_GRAPH_EDGE invalid: {}", err), - }, - Err(_) => None, - } - } else { - None + #[cfg(debug_assertions)] + let forbidden_edge = match env::var("RUST_FORBID_DEP_GRAPH_EDGE") { + Ok(s) => match EdgeFilter::new(&s) { + Ok(f) => Some(f), + Err(err) => panic!("RUST_FORBID_DEP_GRAPH_EDGE invalid: {}", err), + }, + Err(_) => None, }; - // Pre-allocate the dep node structures. We over-allocate a little so - // that we hopefully don't have to re-allocate during this compilation - // session. The over-allocation for new nodes is 2% plus a small - // constant to account for the fact that in very small crates 2% might - // not be enough. The allocation for red and green node data doesn't - // include a constant, as we don't want to allocate anything for these - // structures during full incremental builds, where they aren't used. - // - // These estimates are based on the distribution of node and edge counts - // seen in rustc-perf benchmarks, adjusted somewhat to account for the - // fact that these benchmarks aren't perfectly representative. - // - // FIXME Use a collection type that doesn't copy node and edge data and - // grow multiplicatively on reallocation. Without such a collection or - // solution having the same effect, there is a performance hazard here - // in both time and space, as growing these collections means copying a - // large amount of data and doubling already large buffer capacities. A - // solution for this will also mean that it's less important to get - // these estimates right. - let new_node_count_estimate = (prev_graph_node_count * 2) / 100 + 200; - let red_node_count_estimate = (prev_graph_node_count * 3) / 100; - let light_green_node_count_estimate = (prev_graph_node_count * 25) / 100; - let total_node_count_estimate = prev_graph_node_count + new_node_count_estimate; - - let average_edges_per_node_estimate = 6; - let unshared_edge_count_estimate = average_edges_per_node_estimate - * (new_node_count_estimate + red_node_count_estimate + light_green_node_count_estimate); - // We store a large collection of these in `prev_index_to_index` during // non-full incremental builds, and want to ensure that the element size // doesn't inadvertently increase. static_assert_size!(Option, 4); + let new_node_count_estimate = 102 * prev_graph_node_count / 100 + 200; + CurrentDepGraph { - data: Lock::new(DepNodeData { - new: NewDepNodeData { - nodes: IndexVec::with_capacity(new_node_count_estimate), - edges: IndexVec::with_capacity(new_node_count_estimate), - fingerprints: IndexVec::with_capacity(new_node_count_estimate), - }, - red: RedDepNodeData { - node_indices: IndexVec::with_capacity(red_node_count_estimate), - edges: IndexVec::with_capacity(red_node_count_estimate), - fingerprints: IndexVec::with_capacity(red_node_count_estimate), - }, - light_green: LightGreenDepNodeData { - node_indices: IndexVec::with_capacity(light_green_node_count_estimate), - edges: IndexVec::with_capacity(light_green_node_count_estimate), - }, - unshared_edges: IndexVec::with_capacity(unshared_edge_count_estimate), - hybrid_indices: IndexVec::with_capacity(total_node_count_estimate), - }), + encoder: Steal::new(GraphEncoder::new( + encoder, + prev_graph_node_count, + record_graph, + record_stats, + )), new_node_to_index: Sharded::new(|| { FxHashMap::with_capacity_and_hasher( new_node_count_estimate / sharded::SHARDS, @@ -1527,89 +943,143 @@ impl CurrentDepGraph { }), prev_index_to_index: Lock::new(IndexVec::from_elem_n(None, prev_graph_node_count)), anon_id_seed: stable_hasher.finish(), + #[cfg(debug_assertions)] forbidden_edge, total_read_count: AtomicU64::new(0), total_duplicate_read_count: AtomicU64::new(0), } } + #[cfg(debug_assertions)] + fn record_edge(&self, dep_node_index: DepNodeIndex, key: DepNode) { + if let Some(forbidden_edge) = &self.forbidden_edge { + forbidden_edge.index_to_node.lock().insert(dep_node_index, key); + } + } + + /// Writes the node to the current dep-graph and allocates a `DepNodeIndex` for it. + /// Assumes that this is a node that has no equivalent in the previous dep-graph. fn intern_new_node( &self, - prev_graph: &PreviousDepGraph, - dep_node: DepNode, + profiler: &SelfProfilerRef, + key: DepNode, edges: EdgesVec, - fingerprint: Fingerprint, + current_fingerprint: Fingerprint, ) -> DepNodeIndex { - debug_assert!( - prev_graph.node_to_index_opt(&dep_node).is_none(), - "node in previous graph should be interned using one \ - of `intern_red_node`, `intern_light_green_node`, etc." - ); - - match self.new_node_to_index.get_shard_by_value(&dep_node).lock().entry(dep_node) { + match self.new_node_to_index.get_shard_by_value(&key).lock().entry(key) { Entry::Occupied(entry) => *entry.get(), Entry::Vacant(entry) => { - let data = &mut *self.data.lock(); - let new_index = data.new.nodes.push(dep_node); - add_edges(&mut data.unshared_edges, &mut data.new.edges, edges); - data.new.fingerprints.push(fingerprint); - let dep_node_index = data.hybrid_indices.push(new_index.into()); + let dep_node_index = + self.encoder.borrow().send(profiler, key, current_fingerprint, edges); entry.insert(dep_node_index); + #[cfg(debug_assertions)] + self.record_edge(dep_node_index, key); dep_node_index } } } - fn intern_red_node( + fn intern_node( &self, + profiler: &SelfProfilerRef, prev_graph: &PreviousDepGraph, - prev_index: SerializedDepNodeIndex, + key: DepNode, edges: EdgesVec, - fingerprint: Fingerprint, - ) -> DepNodeIndex { - self.debug_assert_not_in_new_nodes(prev_graph, prev_index); + fingerprint: Option, + print_status: bool, + ) -> (DepNodeIndex, Option<(SerializedDepNodeIndex, DepNodeColor)>) { + let print_status = cfg!(debug_assertions) && print_status; + + if let Some(prev_index) = prev_graph.node_to_index_opt(&key) { + // Determine the color and index of the new `DepNode`. + if let Some(fingerprint) = fingerprint { + if fingerprint == prev_graph.fingerprint_by_index(prev_index) { + if print_status { + eprintln!("[task::green] {:?}", key); + } - let mut prev_index_to_index = self.prev_index_to_index.lock(); + // This is a green node: it existed in the previous compilation, + // its query was re-executed, and it has the same result as before. + let mut prev_index_to_index = self.prev_index_to_index.lock(); + + let dep_node_index = match prev_index_to_index[prev_index] { + Some(dep_node_index) => dep_node_index, + None => { + let dep_node_index = + self.encoder.borrow().send(profiler, key, fingerprint, edges); + prev_index_to_index[prev_index] = Some(dep_node_index); + dep_node_index + } + }; - match prev_index_to_index[prev_index] { - Some(dep_node_index) => dep_node_index, - None => { - let data = &mut *self.data.lock(); - let red_index = data.red.node_indices.push(prev_index); - add_edges(&mut data.unshared_edges, &mut data.red.edges, edges); - data.red.fingerprints.push(fingerprint); - let dep_node_index = data.hybrid_indices.push(red_index.into()); - prev_index_to_index[prev_index] = Some(dep_node_index); - dep_node_index - } - } - } + #[cfg(debug_assertions)] + self.record_edge(dep_node_index, key); + (dep_node_index, Some((prev_index, DepNodeColor::Green(dep_node_index)))) + } else { + if print_status { + eprintln!("[task::red] {:?}", key); + } - fn intern_light_green_node( - &self, - prev_graph: &PreviousDepGraph, - prev_index: SerializedDepNodeIndex, - edges: EdgesVec, - ) -> DepNodeIndex { - self.debug_assert_not_in_new_nodes(prev_graph, prev_index); + // This is a red node: it existed in the previous compilation, its query + // was re-executed, but it has a different result from before. + let mut prev_index_to_index = self.prev_index_to_index.lock(); + + let dep_node_index = match prev_index_to_index[prev_index] { + Some(dep_node_index) => dep_node_index, + None => { + let dep_node_index = + self.encoder.borrow().send(profiler, key, fingerprint, edges); + prev_index_to_index[prev_index] = Some(dep_node_index); + dep_node_index + } + }; - let mut prev_index_to_index = self.prev_index_to_index.lock(); + #[cfg(debug_assertions)] + self.record_edge(dep_node_index, key); + (dep_node_index, Some((prev_index, DepNodeColor::Red))) + } + } else { + if print_status { + eprintln!("[task::unknown] {:?}", key); + } - match prev_index_to_index[prev_index] { - Some(dep_node_index) => dep_node_index, - None => { - let data = &mut *self.data.lock(); - let light_green_index = data.light_green.node_indices.push(prev_index); - add_edges(&mut data.unshared_edges, &mut data.light_green.edges, edges); - let dep_node_index = data.hybrid_indices.push(light_green_index.into()); - prev_index_to_index[prev_index] = Some(dep_node_index); - dep_node_index + // This is a red node, effectively: it existed in the previous compilation + // session, its query was re-executed, but it doesn't compute a result hash + // (i.e. it represents a `no_hash` query), so we have no way of determining + // whether or not the result was the same as before. + let mut prev_index_to_index = self.prev_index_to_index.lock(); + + let dep_node_index = match prev_index_to_index[prev_index] { + Some(dep_node_index) => dep_node_index, + None => { + let dep_node_index = + self.encoder.borrow().send(profiler, key, Fingerprint::ZERO, edges); + prev_index_to_index[prev_index] = Some(dep_node_index); + dep_node_index + } + }; + + #[cfg(debug_assertions)] + self.record_edge(dep_node_index, key); + (dep_node_index, Some((prev_index, DepNodeColor::Red))) + } + } else { + if print_status { + eprintln!("[task::new] {:?}", key); } + + let fingerprint = fingerprint.unwrap_or(Fingerprint::ZERO); + + // This is a new node: it didn't exist in the previous compilation session. + let dep_node_index = self.intern_new_node(profiler, key, edges, fingerprint); + + (dep_node_index, None) } } - fn intern_dark_green_node( + fn promote_node_and_deps_to_current( &self, + profiler: &SelfProfilerRef, prev_graph: &PreviousDepGraph, prev_index: SerializedDepNodeIndex, ) -> DepNodeIndex { @@ -1620,9 +1090,20 @@ impl CurrentDepGraph { match prev_index_to_index[prev_index] { Some(dep_node_index) => dep_node_index, None => { - let mut data = self.data.lock(); - let dep_node_index = data.hybrid_indices.push(prev_index.into()); + let key = prev_graph.index_to_node(prev_index); + let dep_node_index = self.encoder.borrow().send( + profiler, + key, + prev_graph.fingerprint_by_index(prev_index), + prev_graph + .edge_targets_from(prev_index) + .iter() + .map(|i| prev_index_to_index[*i].unwrap()) + .collect(), + ); prev_index_to_index[prev_index] = Some(dep_node_index); + #[cfg(debug_assertions)] + self.record_edge(dep_node_index, key); dep_node_index } } @@ -1642,18 +1123,6 @@ impl CurrentDepGraph { } } -#[inline] -fn add_edges( - edges: &mut IndexVec, - edge_indices: &mut IndexVec>, - new_edges: EdgesVec, -) { - let start = edges.next_index(); - edges.extend(new_edges); - let end = edges.next_index(); - edge_indices.push(start..end); -} - /// The capacity of the `reads` field `SmallVec` const TASK_DEPS_READS_CAP: usize = 8; type EdgesVec = SmallVec<[DepNodeIndex; TASK_DEPS_READS_CAP]>; diff --git a/compiler/rustc_query_system/src/dep_graph/mod.rs b/compiler/rustc_query_system/src/dep_graph/mod.rs index e8fb71be3e08..1b6ecf3e637f 100644 --- a/compiler/rustc_query_system/src/dep_graph/mod.rs +++ b/compiler/rustc_query_system/src/dep_graph/mod.rs @@ -13,6 +13,7 @@ pub use serialized::{SerializedDepGraph, SerializedDepNodeIndex}; use rustc_data_structures::profiling::SelfProfilerRef; use rustc_data_structures::sync::Lock; +use rustc_serialize::{opaque::FileEncoder, Encodable}; use rustc_session::Session; use std::fmt; @@ -59,7 +60,7 @@ impl HasDepContext for T { } /// Describe the different families of dependency nodes. -pub trait DepKind: Copy + fmt::Debug + Eq + Hash { +pub trait DepKind: Copy + fmt::Debug + Eq + Hash + Send + Encodable + 'static { const NULL: Self; /// Return whether this kind always require evaluation. diff --git a/compiler/rustc_query_system/src/dep_graph/prev.rs b/compiler/rustc_query_system/src/dep_graph/prev.rs index c3d0f7952557..6303bbf53b9c 100644 --- a/compiler/rustc_query_system/src/dep_graph/prev.rs +++ b/compiler/rustc_query_system/src/dep_graph/prev.rs @@ -35,11 +35,6 @@ impl PreviousDepGraph { self.data.nodes[dep_node_index] } - #[inline] - pub fn node_to_index(&self, dep_node: &DepNode) -> SerializedDepNodeIndex { - self.index[dep_node] - } - #[inline] pub fn node_to_index_opt(&self, dep_node: &DepNode) -> Option { self.index.get(dep_node).cloned() diff --git a/compiler/rustc_query_system/src/dep_graph/query.rs b/compiler/rustc_query_system/src/dep_graph/query.rs index cc25d08cb54f..27b3b5e13667 100644 --- a/compiler/rustc_query_system/src/dep_graph/query.rs +++ b/compiler/rustc_query_system/src/dep_graph/query.rs @@ -1,38 +1,43 @@ use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::graph::implementation::{Direction, Graph, NodeIndex, INCOMING}; +use rustc_index::vec::IndexVec; -use super::{DepKind, DepNode}; +use super::{DepKind, DepNode, DepNodeIndex}; pub struct DepGraphQuery { pub graph: Graph, ()>, pub indices: FxHashMap, NodeIndex>, + pub dep_index_to_index: IndexVec>, } impl DepGraphQuery { - pub fn new( - nodes: &[DepNode], - edge_list_indices: &[(usize, usize)], - edge_list_data: &[usize], - ) -> DepGraphQuery { - let mut graph = Graph::with_capacity(nodes.len(), edge_list_data.len()); - let mut indices = FxHashMap::default(); - for node in nodes { - indices.insert(*node, graph.add_node(*node)); - } + pub fn new(prev_node_count: usize) -> DepGraphQuery { + let node_count = prev_node_count + prev_node_count / 4; + let edge_count = 6 * node_count; - for (source, &(start, end)) in edge_list_indices.iter().enumerate() { - for &target in &edge_list_data[start..end] { - let source = indices[&nodes[source]]; - let target = indices[&nodes[target]]; - graph.add_edge(source, target, ()); - } - } + let graph = Graph::with_capacity(node_count, edge_count); + let indices = FxHashMap::default(); + let dep_index_to_index = IndexVec::new(); - DepGraphQuery { graph, indices } + DepGraphQuery { graph, indices, dep_index_to_index } } - pub fn contains_node(&self, node: &DepNode) -> bool { - self.indices.contains_key(&node) + pub fn push(&mut self, index: DepNodeIndex, node: DepNode, edges: &[DepNodeIndex]) { + let source = self.graph.add_node(node); + if index.index() >= self.dep_index_to_index.len() { + self.dep_index_to_index.resize(index.index() + 1, None); + } + self.dep_index_to_index[index] = Some(source); + self.indices.insert(node, source); + + for &target in edges.iter() { + let target = self.dep_index_to_index[target]; + // We may miss the edges that are pushed while the `DepGraphQuery` is being accessed. + // Skip them to issues. + if let Some(target) = target { + self.graph.add_edge(source, target, ()); + } + } } pub fn nodes(&self) -> Vec<&DepNode> { diff --git a/compiler/rustc_query_system/src/dep_graph/serialized.rs b/compiler/rustc_query_system/src/dep_graph/serialized.rs index 9bb922b0a900..6f3d1fb71994 100644 --- a/compiler/rustc_query_system/src/dep_graph/serialized.rs +++ b/compiler/rustc_query_system/src/dep_graph/serialized.rs @@ -1,9 +1,28 @@ //! The data that we will serialize and deserialize. +//! +//! The dep-graph is serialized as a sequence of NodeInfo, with the dependencies +//! specified inline. The total number of nodes and edges are stored as the last +//! 16 bytes of the file, so we can find them easily at decoding time. +//! +//! The serialisation is performed on-demand when each node is emitted. Using this +//! scheme, we do not need to keep the current graph in memory. +//! +//! The deserisalisation is performed manually, in order to convert from the stored +//! sequence of NodeInfos to the different arrays in SerializedDepGraph. Since the +//! node and edge count are stored at the end of the file, all the arrays can be +//! pre-allocated with the right length. -use super::{DepKind, DepNode}; +use super::query::DepGraphQuery; +use super::{DepKind, DepNode, DepNodeIndex}; use rustc_data_structures::fingerprint::Fingerprint; -use rustc_index::vec::IndexVec; -use rustc_serialize::{Decodable, Decoder}; +use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::profiling::SelfProfilerRef; +use rustc_data_structures::sync::Lock; +use rustc_index::vec::{Idx, IndexVec}; +use rustc_serialize::opaque::{self, FileEncodeResult, FileEncoder, IntEncodedWithFixedSize}; +use rustc_serialize::{Decodable, Decoder, Encodable}; +use smallvec::SmallVec; +use std::convert::TryInto; // The maximum value of `SerializedDepNodeIndex` leaves the upper two bits // unused so that we can store multiple index types in `CompressedHybridIndex`, @@ -50,78 +69,239 @@ impl SerializedDepGraph { } } -impl> Decodable for SerializedDepGraph { - fn decode(d: &mut D) -> Result, D::Error> { - // We used to serialize the dep graph by creating and serializing a `SerializedDepGraph` - // using data copied from the `DepGraph`. But copying created a large memory spike, so we - // now serialize directly from the `DepGraph` as if it's a `SerializedDepGraph`. Because we - // deserialize that data into a `SerializedDepGraph` in the next compilation session, we - // need `DepGraph`'s `Encodable` and `SerializedDepGraph`'s `Decodable` implementations to - // be in sync. If you update this decoding, be sure to update the encoding, and vice-versa. - // - // We mimic the sequence of `Encode` and `Encodable` method calls used by the `DepGraph`'s - // `Encodable` implementation with the corresponding sequence of `Decode` and `Decodable` - // method calls. E.g. `Decode::read_struct` pairs with `Encode::emit_struct`, `DepNode`'s - // `decode` pairs with `DepNode`'s `encode`, and so on. Any decoding methods not associated - // with corresponding encoding methods called in `DepGraph`'s `Encodable` implementation - // are off limits, because we'd be relying on their implementation details. - // - // For example, because we know it happens to do the right thing, its tempting to just use - // `IndexVec`'s `Decodable` implementation to decode into some of the collections below, - // even though `DepGraph` doesn't use its `Encodable` implementation. But the `IndexVec` - // implementation could change, and we'd have a bug. - // - // Variables below are explicitly typed so that anyone who changes the `SerializedDepGraph` - // representation without updating this function will encounter a compilation error, and - // know to update this and possibly the `DepGraph` `Encodable` implementation accordingly - // (the latter should serialize data in a format compatible with our representation). - - d.read_struct("SerializedDepGraph", 4, |d| { - let nodes: IndexVec> = - d.read_struct_field("nodes", 0, |d| { - d.read_seq(|d, len| { - let mut v = IndexVec::with_capacity(len); - for i in 0..len { - v.push(d.read_seq_elt(i, |d| Decodable::decode(d))?); - } - Ok(v) - }) - })?; +impl<'a, K: DepKind + Decodable>> Decodable> + for SerializedDepGraph +{ + #[instrument(skip(d))] + fn decode(d: &mut opaque::Decoder<'a>) -> Result, String> { + let start_position = d.position(); - let fingerprints: IndexVec = - d.read_struct_field("fingerprints", 1, |d| { - d.read_seq(|d, len| { - let mut v = IndexVec::with_capacity(len); - for i in 0..len { - v.push(d.read_seq_elt(i, |d| Decodable::decode(d))?); - } - Ok(v) - }) - })?; + // The last 16 bytes are the node count and edge count. + debug!("position: {:?}", d.position()); + d.set_position(d.data.len() - 2 * IntEncodedWithFixedSize::ENCODED_SIZE); + debug!("position: {:?}", d.position()); - let edge_list_indices: IndexVec = d - .read_struct_field("edge_list_indices", 2, |d| { - d.read_seq(|d, len| { - let mut v = IndexVec::with_capacity(len); - for i in 0..len { - v.push(d.read_seq_elt(i, |d| Decodable::decode(d))?); - } - Ok(v) - }) - })?; + let node_count = IntEncodedWithFixedSize::decode(d)?.0 as usize; + let edge_count = IntEncodedWithFixedSize::decode(d)?.0 as usize; + debug!(?node_count, ?edge_count); + + debug!("position: {:?}", d.position()); + d.set_position(start_position); + debug!("position: {:?}", d.position()); + + let mut nodes = IndexVec::with_capacity(node_count); + let mut fingerprints = IndexVec::with_capacity(node_count); + let mut edge_list_indices = IndexVec::with_capacity(node_count); + let mut edge_list_data = Vec::with_capacity(edge_count); + + for _index in 0..node_count { + d.read_struct("NodeInfo", 3, |d| { + let dep_node: DepNode = d.read_struct_field("node", 0, Decodable::decode)?; + let _i: SerializedDepNodeIndex = nodes.push(dep_node); + debug_assert_eq!(_i.index(), _index); - let edge_list_data: Vec = - d.read_struct_field("edge_list_data", 3, |d| { + let fingerprint: Fingerprint = + d.read_struct_field("fingerprint", 1, Decodable::decode)?; + let _i: SerializedDepNodeIndex = fingerprints.push(fingerprint); + debug_assert_eq!(_i.index(), _index); + + d.read_struct_field("edges", 2, |d| { d.read_seq(|d, len| { - let mut v = Vec::with_capacity(len); - for i in 0..len { - v.push(d.read_seq_elt(i, |d| Decodable::decode(d))?); + let start = edge_list_data.len().try_into().unwrap(); + for e in 0..len { + let edge = d.read_seq_elt(e, Decodable::decode)?; + edge_list_data.push(edge); } - Ok(v) + let end = edge_list_data.len().try_into().unwrap(); + let _i: SerializedDepNodeIndex = edge_list_indices.push((start, end)); + debug_assert_eq!(_i.index(), _index); + Ok(()) }) - })?; + }) + })?; + } + + Ok(SerializedDepGraph { nodes, fingerprints, edge_list_indices, edge_list_data }) + } +} + +#[derive(Debug, Encodable, Decodable)] +pub struct NodeInfo { + node: DepNode, + fingerprint: Fingerprint, + edges: SmallVec<[DepNodeIndex; 8]>, +} + +struct Stat { + kind: K, + node_counter: u64, + edge_counter: u64, +} + +struct EncoderState { + encoder: FileEncoder, + total_node_count: usize, + total_edge_count: usize, + result: FileEncodeResult, + stats: Option>>, +} + +impl EncoderState { + fn new(encoder: FileEncoder, record_stats: bool) -> Self { + Self { + encoder, + total_edge_count: 0, + total_node_count: 0, + result: Ok(()), + stats: if record_stats { Some(FxHashMap::default()) } else { None }, + } + } + + #[instrument(skip(self, record_graph))] + fn encode_node( + &mut self, + node: &NodeInfo, + record_graph: &Option>>, + ) -> DepNodeIndex { + let index = DepNodeIndex::new(self.total_node_count); + self.total_node_count += 1; + + let edge_count = node.edges.len(); + self.total_edge_count += edge_count; + + if let Some(record_graph) = &record_graph { + // Do not ICE when a query is called from within `with_query`. + if let Some(record_graph) = &mut record_graph.try_lock() { + record_graph.push(index, node.node, &node.edges); + } + } + + if let Some(stats) = &mut self.stats { + let kind = node.node.kind; + + let stat = stats.entry(kind).or_insert(Stat { kind, node_counter: 0, edge_counter: 0 }); + stat.node_counter += 1; + stat.edge_counter += edge_count as u64; + } + + debug!(?index, ?node); + let encoder = &mut self.encoder; + if self.result.is_ok() { + self.result = node.encode(encoder); + } + index + } + + fn finish(self) -> FileEncodeResult { + let Self { mut encoder, total_node_count, total_edge_count, result, stats: _ } = self; + let () = result?; + + let node_count = total_node_count.try_into().unwrap(); + let edge_count = total_edge_count.try_into().unwrap(); + + debug!(?node_count, ?edge_count); + debug!("position: {:?}", encoder.position()); + IntEncodedWithFixedSize(node_count).encode(&mut encoder)?; + IntEncodedWithFixedSize(edge_count).encode(&mut encoder)?; + debug!("position: {:?}", encoder.position()); + // Drop the encoder so that nothing is written after the counts. + encoder.flush() + } +} + +pub struct GraphEncoder { + status: Lock>, + record_graph: Option>>, +} + +impl> GraphEncoder { + pub fn new( + encoder: FileEncoder, + prev_node_count: usize, + record_graph: bool, + record_stats: bool, + ) -> Self { + let record_graph = + if record_graph { Some(Lock::new(DepGraphQuery::new(prev_node_count))) } else { None }; + let status = Lock::new(EncoderState::new(encoder, record_stats)); + GraphEncoder { status, record_graph } + } + + pub(crate) fn with_query(&self, f: impl Fn(&DepGraphQuery)) { + if let Some(record_graph) = &self.record_graph { + f(&record_graph.lock()) + } + } + + pub(crate) fn print_incremental_info( + &self, + total_read_count: u64, + total_duplicate_read_count: u64, + ) { + let status = self.status.lock(); + if let Some(record_stats) = &status.stats { + let mut stats: Vec<_> = record_stats.values().collect(); + stats.sort_by_key(|s| -(s.node_counter as i64)); + + const SEPARATOR: &str = "[incremental] --------------------------------\ + ----------------------------------------------\ + ------------"; + + eprintln!("[incremental]"); + eprintln!("[incremental] DepGraph Statistics"); + eprintln!("{}", SEPARATOR); + eprintln!("[incremental]"); + eprintln!("[incremental] Total Node Count: {}", status.total_node_count); + eprintln!("[incremental] Total Edge Count: {}", status.total_edge_count); + + if cfg!(debug_assertions) { + eprintln!("[incremental] Total Edge Reads: {}", total_read_count); + eprintln!( + "[incremental] Total Duplicate Edge Reads: {}", + total_duplicate_read_count + ); + } + + eprintln!("[incremental]"); + eprintln!( + "[incremental] {:<36}| {:<17}| {:<12}| {:<17}|", + "Node Kind", "Node Frequency", "Node Count", "Avg. Edge Count" + ); + eprintln!("{}", SEPARATOR); + + for stat in stats { + let node_kind_ratio = + (100.0 * (stat.node_counter as f64)) / (status.total_node_count as f64); + let node_kind_avg_edges = (stat.edge_counter as f64) / (stat.node_counter as f64); + + eprintln!( + "[incremental] {:<36}|{:>16.1}% |{:>12} |{:>17.1} |", + format!("{:?}", stat.kind), + node_kind_ratio, + stat.node_counter, + node_kind_avg_edges, + ); + } + + eprintln!("{}", SEPARATOR); + eprintln!("[incremental]"); + } + } + + pub(crate) fn send( + &self, + profiler: &SelfProfilerRef, + node: DepNode, + fingerprint: Fingerprint, + edges: SmallVec<[DepNodeIndex; 8]>, + ) -> DepNodeIndex { + let _prof_timer = profiler.generic_activity("incr_comp_encode_dep_graph"); + let node = NodeInfo { node, fingerprint, edges }; + self.status.lock().encode_node(&node, &self.record_graph) + } - Ok(SerializedDepGraph { nodes, fingerprints, edge_list_indices, edge_list_data }) - }) + pub fn finish(self, profiler: &SelfProfilerRef) -> FileEncodeResult { + let _prof_timer = profiler.generic_activity("incr_comp_encode_dep_graph"); + self.status.into_inner().finish() } } diff --git a/compiler/rustc_query_system/src/lib.rs b/compiler/rustc_query_system/src/lib.rs index 3db57c0ab3a4..071144f38e70 100644 --- a/compiler/rustc_query_system/src/lib.rs +++ b/compiler/rustc_query_system/src/lib.rs @@ -2,6 +2,7 @@ #![feature(const_fn)] #![feature(const_panic)] #![feature(core_intrinsics)] +#![feature(drain_filter)] #![feature(hash_raw_entry)] #![feature(iter_zip)] #![feature(min_specialization)] diff --git a/compiler/rustc_query_system/src/query/plumbing.rs b/compiler/rustc_query_system/src/query/plumbing.rs index 77267489a752..fb8a53048fab 100644 --- a/compiler/rustc_query_system/src/query/plumbing.rs +++ b/compiler/rustc_query_system/src/query/plumbing.rs @@ -449,9 +449,11 @@ where let ((result, dep_node_index), diagnostics) = with_diagnostics(|diagnostics| { tcx.start_query(job.id, diagnostics, || { - tcx.dep_context() - .dep_graph() - .with_anon_task(query.dep_kind, || query.compute(tcx, key)) + tcx.dep_context().dep_graph().with_anon_task( + *tcx.dep_context(), + query.dep_kind, + || query.compute(tcx, key), + ) }) }); @@ -537,7 +539,7 @@ where // If `-Zincremental-verify-ich` is specified, re-hash results from // the cache and make sure that they have the expected fingerprint. if unlikely!(tcx.dep_context().sess().opts.debugging_opts.incremental_verify_ich) { - incremental_verify_ich(*tcx.dep_context(), &result, dep_node, dep_node_index, query); + incremental_verify_ich(*tcx.dep_context(), &result, dep_node, query); } result @@ -560,7 +562,7 @@ where // // See issue #82920 for an example of a miscompilation that would get turned into // an ICE by this check - incremental_verify_ich(*tcx.dep_context(), &result, dep_node, dep_node_index, query); + incremental_verify_ich(*tcx.dep_context(), &result, dep_node, query); result } @@ -570,14 +572,12 @@ fn incremental_verify_ich( tcx: CTX::DepContext, result: &V, dep_node: &DepNode, - dep_node_index: DepNodeIndex, query: &QueryVtable, ) where CTX: QueryContext, { assert!( - Some(tcx.dep_graph().fingerprint_of(dep_node_index)) - == tcx.dep_graph().prev_fingerprint_of(dep_node), + tcx.dep_graph().is_green(dep_node), "fingerprint for green query instance not loaded from cache: {:?}", dep_node, ); @@ -588,9 +588,15 @@ fn incremental_verify_ich( let new_hash = query.hash_result(&mut hcx, result).unwrap_or(Fingerprint::ZERO); debug!("END verify_ich({:?})", dep_node); - let old_hash = tcx.dep_graph().fingerprint_of(dep_node_index); + let old_hash = tcx.dep_graph().prev_fingerprint_of(dep_node); - assert!(new_hash == old_hash, "found unstable fingerprints for {:?}: {:?}", dep_node, result); + assert_eq!( + Some(new_hash), + old_hash, + "found unstable fingerprints for {:?}: {:?}", + dep_node, + result + ); } fn force_query_with_job( diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index 1fb07bdae9d0..6fae6921fc9b 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -456,12 +456,14 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { } } + let is_macro = base_span.from_expansion() && base_span.desugaring_kind().is_none(); if !self.type_ascription_suggestion(&mut err, base_span) { let mut fallback = false; if let ( PathSource::Trait(AliasPossibility::Maybe), Some(Res::Def(DefKind::Struct | DefKind::Enum | DefKind::Union, _)), - ) = (source, res) + false, + ) = (source, res, is_macro) { if let Some(bounds @ [_, .., _]) = self.diagnostic_metadata.current_trait_object { fallback = true; diff --git a/compiler/rustc_resolve/src/late/lifetimes.rs b/compiler/rustc_resolve/src/late/lifetimes.rs index 698e5048f7bd..b89ad867f46e 100644 --- a/compiler/rustc_resolve/src/late/lifetimes.rs +++ b/compiler/rustc_resolve/src/late/lifetimes.rs @@ -30,7 +30,7 @@ use std::cell::Cell; use std::fmt; use std::mem::take; -use tracing::debug; +use tracing::{debug, span, Level}; // This counts the no of times a lifetime is used #[derive(Clone, Copy, Debug)] @@ -42,9 +42,9 @@ pub enum LifetimeUseSet<'tcx> { trait RegionExt { fn early(hir_map: &Map<'_>, index: &mut u32, param: &GenericParam<'_>) -> (ParamName, Region); - fn late(hir_map: &Map<'_>, param: &GenericParam<'_>) -> (ParamName, Region); + fn late(index: u32, hir_map: &Map<'_>, param: &GenericParam<'_>) -> (ParamName, Region); - fn late_anon(index: &Cell) -> Region; + fn late_anon(named_late_bound_vars: u32, index: &Cell) -> Region; fn id(&self) -> Option; @@ -67,7 +67,7 @@ impl RegionExt for Region { (param.name.normalize_to_macros_2_0(), Region::EarlyBound(i, def_id.to_def_id(), origin)) } - fn late(hir_map: &Map<'_>, param: &GenericParam<'_>) -> (ParamName, Region) { + fn late(idx: u32, hir_map: &Map<'_>, param: &GenericParam<'_>) -> (ParamName, Region) { let depth = ty::INNERMOST; let def_id = hir_map.local_def_id(param.hir_id); let origin = LifetimeDefOrigin::from_param(param); @@ -75,21 +75,24 @@ impl RegionExt for Region { "Region::late: param={:?} depth={:?} def_id={:?} origin={:?}", param, depth, def_id, origin, ); - (param.name.normalize_to_macros_2_0(), Region::LateBound(depth, def_id.to_def_id(), origin)) + ( + param.name.normalize_to_macros_2_0(), + Region::LateBound(depth, idx, def_id.to_def_id(), origin), + ) } - fn late_anon(index: &Cell) -> Region { + fn late_anon(named_late_bound_vars: u32, index: &Cell) -> Region { let i = index.get(); index.set(i + 1); let depth = ty::INNERMOST; - Region::LateBoundAnon(depth, i) + Region::LateBoundAnon(depth, named_late_bound_vars + i, i) } fn id(&self) -> Option { match *self { Region::Static | Region::LateBoundAnon(..) => None, - Region::EarlyBound(_, id, _) | Region::LateBound(_, id, _) | Region::Free(_, id) => { + Region::EarlyBound(_, id, _) | Region::LateBound(_, _, id, _) | Region::Free(_, id) => { Some(id) } } @@ -97,11 +100,11 @@ impl RegionExt for Region { fn shifted(self, amount: u32) -> Region { match self { - Region::LateBound(debruijn, id, origin) => { - Region::LateBound(debruijn.shifted_in(amount), id, origin) + Region::LateBound(debruijn, idx, id, origin) => { + Region::LateBound(debruijn.shifted_in(amount), idx, id, origin) } - Region::LateBoundAnon(debruijn, index) => { - Region::LateBoundAnon(debruijn.shifted_in(amount), index) + Region::LateBoundAnon(debruijn, index, anon_index) => { + Region::LateBoundAnon(debruijn.shifted_in(amount), index, anon_index) } _ => self, } @@ -109,11 +112,11 @@ impl RegionExt for Region { fn shifted_out_to_binder(self, binder: ty::DebruijnIndex) -> Region { match self { - Region::LateBound(debruijn, id, origin) => { - Region::LateBound(debruijn.shifted_out_to_binder(binder), id, origin) + Region::LateBound(debruijn, index, id, origin) => { + Region::LateBound(debruijn.shifted_out_to_binder(binder), index, id, origin) } - Region::LateBoundAnon(debruijn, index) => { - Region::LateBoundAnon(debruijn.shifted_out_to_binder(binder), index) + Region::LateBoundAnon(debruijn, index, anon_index) => { + Region::LateBoundAnon(debruijn.shifted_out_to_binder(binder), index, anon_index) } _ => self, } @@ -147,6 +150,14 @@ struct NamedRegionMap { // be late-bound if (a) it does NOT appear in a where-clause and // (b) it DOES appear in the arguments. late_bound: HirIdSet, + + // Maps relevant hir items to the bound vars on them. These include: + // - function defs + // - function pointers + // - closures + // - trait refs + // - bound types (like `T` in `for<'a> T<'a>: Foo`) + late_bound_vars: HirIdMap>, } crate struct LifetimeContext<'a, 'tcx> { @@ -161,13 +172,21 @@ crate struct LifetimeContext<'a, 'tcx> { /// correct when representing these constraints, we should only introduce one /// scope. However, we want to support both locations for the quantifier and /// during lifetime resolution we want precise information (so we can't - /// desugar in an earlier phase). + /// desugar in an earlier phase). Moreso, an error here doesn't cause a bail + /// from type checking, so we need to be extra careful that we don't lose + /// any bound var information. /// /// So, if we encounter a quantifier at the outer scope, we set - /// `trait_ref_hack` to `true` (and introduce a scope), and then if we encounter - /// a quantifier at the inner scope, we error. If `trait_ref_hack` is `false`, - /// then we introduce the scope at the inner quantifier. - trait_ref_hack: bool, + /// `trait_ref_hack` to the hir id of the bounded type (and introduce a scope). + /// Then, if we encounter a quantifier at the inner scope, then we know to + /// emit an error. Importantly though, we do have to track the lifetimes + /// defined on the outer scope (i.e. the bounded ty), since we continue + /// to type check after emitting an error; we therefore assume that the bound + /// vars on the inner trait refs come from both quantifiers. + /// + /// If we encounter a quantifier in the inner scope `trait_ref_hack` being + /// `None`, then we just introduce the scope at the inner quantifier as normal. + trait_ref_hack: Option, /// Used to disallow the use of in-band lifetimes in `fn` or `Fn` syntax. is_in_fn_syntax: bool, @@ -225,6 +244,17 @@ enum Scope<'a> { /// of the resulting opaque type. opaque_type_parent: bool, + /// True only if this `Binder` scope is from the quantifiers on a + /// `PolyTraitRef`. This is necessary for `assocated_type_bounds`, which + /// requires binders of nested trait refs to be merged. + from_poly_trait_ref: bool, + + /// The late bound vars for a given item are stored by `HirId` to be + /// queried later. However, if we enter an elision scope, we have to + /// later append the elided bound vars to the list and need to know what + /// to append to. + hir_id: hir::HirId, + s: ScopeRef<'a>, }, @@ -252,6 +282,50 @@ enum Scope<'a> { s: ScopeRef<'a>, }, + /// This is a particularly interesting consequence of how we handle poly + /// trait refs. See `trait_ref_hack` for additional info. This bit is + /// important w.r.t. querying late-bound vars. + /// + /// To completely understand why this is necessary, first it's important to + /// realize that `T: for<'a> U + for<'a, 'b> V` is actually two separate + /// trait refs: `T: for<'a> U` and `T: for<'b> V` and as such, the late + /// bound vars on each needs to be tracked separately. Also, in this case, + /// are *three* relevant `HirId`s: one for the entire bound and one + /// for each separate one. + /// + /// Next, imagine three different poly trait refs: + /// 1) `for<'a, 'b> T: U<'a, 'b>` + /// 2) `T: for<'a, 'b> U<'a, 'b>` + /// 3) `for<'a> T: for<'b> U<'a, 'b>` + /// + /// First, note that the third example is semantically invalid and an error, + /// but we *must* handle it as valid, since type checking isn't bailed out + /// of. Other than that, if ask for bound vars for each, we expect + /// `['a, 'b]`. If we *didn't* allow binders before `T`, then we would + /// always introduce a binder scope at the inner trait ref. This is great, + /// becauase later on during type-checking, we will ask "what are the late + /// bound vars on this trait ref". However, because we allow bound vars on + /// the bound itself, we have to have some way of keeping track of the fact + /// that we actually want to store the late bound vars as being associated + /// with the trait ref; this is that. + /// + /// One alternative way to handle this would be to just introduce a new + /// `Binder` scope, but that's semantically a bit different, since bound + /// vars from both `for<...>`s *do* share the same binder level. + TraitRefHackInner { + hir_id: hir::HirId, + s: ScopeRef<'a>, + }, + + /// When we have nested trait refs, we concanetate late bound vars for inner + /// trait refs from outer ones. But we also need to include any HRTB + /// lifetimes encountered when identifying the trait that an associated type + /// is declared on. + Supertrait { + lifetimes: Vec, + s: ScopeRef<'a>, + }, + Root, } @@ -266,6 +340,8 @@ impl<'a> fmt::Debug for TruncatedScopeDebug<'a> { next_early_index, track_lifetime_uses, opaque_type_parent, + from_poly_trait_ref, + hir_id, s: _, } => f .debug_struct("Binder") @@ -273,6 +349,8 @@ impl<'a> fmt::Debug for TruncatedScopeDebug<'a> { .field("next_early_index", next_early_index) .field("track_lifetime_uses", track_lifetime_uses) .field("opaque_type_parent", opaque_type_parent) + .field("from_poly_trait_ref", from_poly_trait_ref) + .field("hir_id", hir_id) .field("s", &"..") .finish(), Scope::Body { id, s: _ } => { @@ -286,6 +364,16 @@ impl<'a> fmt::Debug for TruncatedScopeDebug<'a> { .field("lifetime", lifetime) .field("s", &"..") .finish(), + Scope::TraitRefHackInner { hir_id, s: _ } => f + .debug_struct("TraitRefHackInner") + .field("hir_id", hir_id) + .field("s", &"..") + .finish(), + Scope::Supertrait { lifetimes, s: _ } => f + .debug_struct("Supertrait") + .field("lifetimes", lifetimes) + .field("s", &"..") + .finish(), Scope::Root => f.debug_struct("Root").finish(), } } @@ -294,8 +382,9 @@ impl<'a> fmt::Debug for TruncatedScopeDebug<'a> { #[derive(Clone, Debug)] enum Elide { /// Use a fresh anonymous late-bound lifetime each time, by - /// incrementing the counter to generate sequential indices. - FreshLateAnon(Cell), + /// incrementing the counter to generate sequential indices. All + /// anonymous lifetimes must start *after* named bound vars. + FreshLateAnon(u32, Cell), /// Always use this one lifetime. Exact(Region), /// Less or more than one lifetime were found, error on unspecified. @@ -334,6 +423,7 @@ pub fn provide(providers: &mut ty::query::Providers) { _ => None, } }, + late_bound_vars_map: |tcx, id| resolve_lifetimes_for(tcx, id).late_bound_vars.get(&id), ..*providers }; @@ -391,13 +481,16 @@ fn do_resolve( trait_definition_only: bool, ) -> ResolveLifetimes { let item = tcx.hir().expect_item(tcx.hir().local_def_id_to_hir_id(local_def_id)); - let mut named_region_map = - NamedRegionMap { defs: Default::default(), late_bound: Default::default() }; + let mut named_region_map = NamedRegionMap { + defs: Default::default(), + late_bound: Default::default(), + late_bound_vars: Default::default(), + }; let mut visitor = LifetimeContext { tcx, map: &mut named_region_map, scope: ROOT_SCOPE, - trait_ref_hack: false, + trait_ref_hack: None, is_in_fn_syntax: false, is_in_const_generic: false, trait_definition_only, @@ -418,6 +511,10 @@ fn do_resolve( let map = rl.late_bound.entry(hir_id.owner).or_default(); map.insert(hir_id.local_id); } + for (hir_id, v) in named_region_map.late_bound_vars { + let map = rl.late_bound_vars.entry(hir_id.owner).or_default(); + map.insert(hir_id.local_id, v); + } debug!(?rl.defs); rl @@ -503,6 +600,19 @@ fn sub_items_have_self_param(node: &hir::ItemKind<'_>) -> bool { matches!(*node, hir::ItemKind::Trait(..) | hir::ItemKind::TraitAlias(..)) } +fn late_region_as_bound_region<'tcx>(tcx: TyCtxt<'tcx>, region: &Region) -> ty::BoundVariableKind { + match region { + Region::LateBound(_, _, def_id, _) => { + let name = tcx.hir().name(tcx.hir().local_def_id_to_hir_id(def_id.expect_local())); + ty::BoundVariableKind::Region(ty::BrNamed(*def_id, name)) + } + Region::LateBoundAnon(_, _, anon_idx) => { + ty::BoundVariableKind::Region(ty::BrAnon(*anon_idx)) + } + _ => bug!("{:?} is not a late region", region), + } +} + impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { type Map = Map<'tcx>; @@ -530,11 +640,58 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { self.labels_in_fn = saved; } + fn visit_fn( + &mut self, + fk: intravisit::FnKind<'tcx>, + fd: &'tcx hir::FnDecl<'tcx>, + b: hir::BodyId, + s: rustc_span::Span, + hir_id: hir::HirId, + ) { + let name = match fk { + intravisit::FnKind::ItemFn(id, _, _, _) => id.as_str(), + intravisit::FnKind::Method(id, _, _) => id.as_str(), + intravisit::FnKind::Closure => Symbol::intern("closure").as_str(), + }; + let name: &str = &name; + let span = span!(Level::DEBUG, "visit_fn", name); + let _enter = span.enter(); + match fk { + // Any `Binders` are handled elsewhere + intravisit::FnKind::ItemFn(..) | intravisit::FnKind::Method(..) => { + intravisit::walk_fn(self, fk, fd, b, s, hir_id) + } + intravisit::FnKind::Closure => { + self.map.late_bound_vars.insert(hir_id, vec![]); + let scope = Scope::Binder { + hir_id, + lifetimes: FxHashMap::default(), + next_early_index: self.next_early_index(), + s: self.scope, + track_lifetime_uses: true, + opaque_type_parent: false, + from_poly_trait_ref: false, + }; + self.with(scope, move |_old_scope, this| { + intravisit::walk_fn(this, fk, fd, b, s, hir_id) + }); + } + } + } + fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { + match &item.kind { + hir::ItemKind::Impl(hir::Impl { of_trait, .. }) => { + if let Some(of_trait) = of_trait { + self.map.late_bound_vars.insert(of_trait.hir_ref_id, Vec::default()); + } + } + _ => {} + } match item.kind { hir::ItemKind::Fn(ref sig, ref generics, _) => { self.missing_named_lifetime_spots.push(generics.into()); - self.visit_early_late(None, &sig.decl, generics, |this| { + self.visit_early_late(None, item.hir_id(), &sig.decl, generics, |this| { intravisit::walk_item(this, item); }); self.missing_named_lifetime_spots.pop(); @@ -582,6 +739,16 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { self.map.late_bound.insert(hir::HirId { owner, local_id }); }); } + for (&owner, late_bound_vars) in + resolved_lifetimes.late_bound_vars.iter() + { + late_bound_vars.iter().for_each(|(&local_id, late_bound_vars)| { + self.map.late_bound_vars.insert( + hir::HirId { owner, local_id }, + late_bound_vars.clone(), + ); + }); + } break; } hir::Node::Crate(_) => bug!("No Item about an OpaqueTy"), @@ -621,11 +788,14 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { } }) .collect(); + self.map.late_bound_vars.insert(item.hir_id(), vec![]); let scope = Scope::Binder { + hir_id: item.hir_id(), lifetimes, next_early_index: index + non_lifetime_count, opaque_type_parent: true, track_lifetime_uses, + from_poly_trait_ref: false, s: ROOT_SCOPE, }; self.with(scope, |old_scope, this| { @@ -640,7 +810,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { fn visit_foreign_item(&mut self, item: &'tcx hir::ForeignItem<'tcx>) { match item.kind { hir::ForeignItemKind::Fn(ref decl, _, ref generics) => { - self.visit_early_late(None, decl, generics, |this| { + self.visit_early_late(None, item.hir_id(), decl, generics, |this| { intravisit::walk_foreign_item(this, item); }) } @@ -672,21 +842,29 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { }; self.missing_named_lifetime_spots .push(MissingLifetimeSpot::HigherRanked { span, span_type }); + let (lifetimes, binders): (FxHashMap, Vec<_>) = c + .generic_params + .iter() + .filter_map(|param| match param.kind { + GenericParamKind::Lifetime { .. } => Some(param), + _ => None, + }) + .enumerate() + .map(|(late_bound_idx, param)| { + let pair = Region::late(late_bound_idx as u32, &self.tcx.hir(), param); + let r = late_region_as_bound_region(self.tcx, &pair.1); + (pair, r) + }) + .unzip(); + self.map.late_bound_vars.insert(ty.hir_id, binders); let scope = Scope::Binder { - lifetimes: c - .generic_params - .iter() - .filter_map(|param| match param.kind { - GenericParamKind::Lifetime { .. } => { - Some(Region::late(&self.tcx.hir(), param)) - } - _ => None, - }) - .collect(), + hir_id: ty.hir_id, + lifetimes, s: self.scope, next_early_index, track_lifetime_uses: true, opaque_type_parent: false, + from_poly_trait_ref: false, }; self.with(scope, |old_scope, this| { // a bare fn has no bounds, so everything @@ -721,7 +899,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { // resolved the same as the `'_` in `&'_ Foo`. // // cc #48468 - self.resolve_elided_lifetimes(vec![lifetime]) + self.resolve_elided_lifetimes(&[lifetime]) } LifetimeName::Param(_) | LifetimeName::Static => { // If the user wrote an explicit name, use that. @@ -784,7 +962,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { // well-supported at the moment, so this doesn't work. // In the future, this should be fixed and this error should be removed. let def = self.map.defs.get(&lifetime.hir_id).cloned(); - if let Some(Region::LateBound(_, def_id, _)) = def { + if let Some(Region::LateBound(_, _, def_id, _)) = def { if let Some(def_id) = def_id.as_local() { let hir_id = self.tcx.hir().local_def_id_to_hir_id(def_id); // Ensure that the parent of the def is an item, not HRTB @@ -863,17 +1041,20 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { } } let next_early_index = index + non_lifetime_count; + self.map.late_bound_vars.insert(ty.hir_id, vec![]); if let Some(elision_region) = elision { let scope = Scope::Elision { elide: Elide::Exact(elision_region), s: self.scope }; self.with(scope, |_old_scope, this| { let scope = Scope::Binder { + hir_id: ty.hir_id, lifetimes, next_early_index, s: this.scope, track_lifetime_uses: true, opaque_type_parent: false, + from_poly_trait_ref: false, }; this.with(scope, |_old_scope, this| { this.visit_generics(generics); @@ -884,11 +1065,13 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { }); } else { let scope = Scope::Binder { + hir_id: ty.hir_id, lifetimes, next_early_index, s: self.scope, track_lifetime_uses: true, opaque_type_parent: false, + from_poly_trait_ref: false, }; self.with(scope, |_old_scope, this| { this.visit_generics(generics); @@ -910,6 +1093,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { let tcx = self.tcx; self.visit_early_late( Some(tcx.hir().get_parent_item(trait_item.hir_id())), + trait_item.hir_id(), &sig.decl, &trait_item.generics, |this| intravisit::walk_trait_item(this, trait_item), @@ -935,12 +1119,15 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { } }) .collect(); + self.map.late_bound_vars.insert(trait_item.hir_id(), vec![]); let scope = Scope::Binder { + hir_id: trait_item.hir_id(), lifetimes, next_early_index: index + non_lifetime_count, s: self.scope, track_lifetime_uses: true, opaque_type_parent: true, + from_poly_trait_ref: false, }; self.with(scope, |old_scope, this| { this.check_lifetime_params(old_scope, &generics.params); @@ -972,6 +1159,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { let tcx = self.tcx; self.visit_early_late( Some(tcx.hir().get_parent_item(impl_item.hir_id())), + impl_item.hir_id(), &sig.decl, &impl_item.generics, |this| intravisit::walk_impl_item(this, impl_item), @@ -984,7 +1172,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { let mut index = self.next_early_index(); let mut non_lifetime_count = 0; debug!("visit_ty: index = {}", index); - let lifetimes = generics + let lifetimes: FxHashMap = generics .params .iter() .filter_map(|param| match param.kind { @@ -997,12 +1185,15 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { } }) .collect(); + self.map.late_bound_vars.insert(ty.hir_id, vec![]); let scope = Scope::Binder { + hir_id: ty.hir_id, lifetimes, next_early_index: index + non_lifetime_count, s: self.scope, track_lifetime_uses: true, opaque_type_parent: true, + from_poly_trait_ref: false, }; self.with(scope, |old_scope, this| { this.check_lifetime_params(old_scope, &generics.params); @@ -1024,7 +1215,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { #[tracing::instrument(level = "debug", skip(self))] fn visit_lifetime(&mut self, lifetime_ref: &'tcx hir::Lifetime) { if lifetime_ref.is_elided() { - self.resolve_elided_lifetimes(vec![lifetime_ref]); + self.resolve_elided_lifetimes(&[lifetime_ref]); return; } if lifetime_ref.is_static() { @@ -1085,30 +1276,39 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { ref bound_generic_params, .. }) => { - let lifetimes: FxHashMap<_, _> = bound_generic_params - .iter() - .filter_map(|param| match param.kind { - GenericParamKind::Lifetime { .. } => { - Some(Region::late(&self.tcx.hir(), param)) - } - _ => None, - }) - .collect(); + let (lifetimes, binders): (FxHashMap, Vec<_>) = + bound_generic_params + .iter() + .filter_map(|param| match param.kind { + GenericParamKind::Lifetime { .. } => Some(param), + _ => None, + }) + .enumerate() + .map(|(late_bound_idx, param)| { + let pair = + Region::late(late_bound_idx as u32, &self.tcx.hir(), param); + let r = late_region_as_bound_region(self.tcx, &pair.1); + (pair, r) + }) + .unzip(); + self.map.late_bound_vars.insert(bounded_ty.hir_id, binders.clone()); if !lifetimes.is_empty() { let next_early_index = self.next_early_index(); let scope = Scope::Binder { + hir_id: bounded_ty.hir_id, lifetimes, s: self.scope, next_early_index, track_lifetime_uses: true, opaque_type_parent: false, + from_poly_trait_ref: true, }; let result = self.with(scope, |old_scope, this| { this.check_lifetime_params(old_scope, &bound_generic_params); this.visit_ty(&bounded_ty); - this.trait_ref_hack = true; + this.trait_ref_hack = Some(bounded_ty.hir_id); walk_list!(this, visit_param_bound, bounds); - this.trait_ref_hack = false; + this.trait_ref_hack = None; }); result } else { @@ -1138,13 +1338,16 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { fn visit_param_bound(&mut self, bound: &'tcx hir::GenericBound<'tcx>) { match bound { - hir::GenericBound::LangItemTrait { .. } if !self.trait_ref_hack => { + hir::GenericBound::LangItemTrait(_, _, hir_id, _) if self.trait_ref_hack.is_none() => { + self.map.late_bound_vars.insert(*hir_id, vec![]); let scope = Scope::Binder { + hir_id: *hir_id, lifetimes: FxHashMap::default(), s: self.scope, next_early_index: self.next_early_index(), track_lifetime_uses: true, opaque_type_parent: false, + from_poly_trait_ref: false, }; self.with(scope, |_, this| { intravisit::walk_param_bound(this, bound); @@ -1163,38 +1366,128 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { let should_pop_missing_lt = self.is_trait_ref_fn_scope(trait_ref); - let trait_ref_hack = take(&mut self.trait_ref_hack); - if !trait_ref_hack - || trait_ref + let trait_ref_hack = self.trait_ref_hack.take(); + let next_early_index = self.next_early_index(); + // See note on `trait_ref_hack`. If `for<..>` has been defined in both + // the outer and inner part of the trait ref, emit an error. + let has_lifetimes = trait_ref.bound_generic_params.iter().any(|param| match param.kind { + GenericParamKind::Lifetime { .. } => true, + _ => false, + }); + if trait_ref_hack.is_some() && has_lifetimes { + struct_span_err!( + self.tcx.sess, + trait_ref.span, + E0316, + "nested quantification of lifetimes" + ) + .emit(); + } + + let (binders, lifetimes) = if let Some(hir_id) = trait_ref_hack { + let mut binders = self.map.late_bound_vars.entry(hir_id).or_default().clone(); + let initial_bound_vars = binders.len() as u32; + let mut lifetimes: FxHashMap = FxHashMap::default(); + let binders_iter = trait_ref .bound_generic_params .iter() - .any(|param| matches!(param.kind, GenericParamKind::Lifetime { .. })) - { - if trait_ref_hack { - struct_span_err!( - self.tcx.sess, - trait_ref.span, - E0316, - "nested quantification of lifetimes" - ) - .emit(); - } - let next_early_index = self.next_early_index(); - let scope = Scope::Binder { - lifetimes: trait_ref - .bound_generic_params - .iter() - .filter_map(|param| match param.kind { - GenericParamKind::Lifetime { .. } => { - Some(Region::late(&self.tcx.hir(), param)) + .filter_map(|param| match param.kind { + GenericParamKind::Lifetime { .. } => Some(param), + _ => None, + }) + .enumerate() + .map(|(late_bound_idx, param)| { + let pair = Region::late( + initial_bound_vars + late_bound_idx as u32, + &self.tcx.hir(), + param, + ); + let r = late_region_as_bound_region(self.tcx, &pair.1); + lifetimes.insert(pair.0, pair.1); + r + }); + binders.extend(binders_iter); + + (binders, lifetimes) + } else { + let mut supertrait_lifetimes = vec![]; + let mut scope = self.scope; + let mut outer_binders = loop { + match scope { + Scope::Body { .. } | Scope::Root => { + break vec![]; + } + + Scope::Elision { s, .. } | Scope::ObjectLifetimeDefault { s, .. } => { + scope = s; + } + + Scope::TraitRefHackInner { hir_id, .. } => { + // Nested poly trait refs have the binders concatenated + // If we reach `TraitRefHackInner`, then there is only one more `Binder` above us, + // over all the bounds. We don't want this, since all the lifetimes we care about + // are here anyways. + let mut full_binders = + self.map.late_bound_vars.entry(*hir_id).or_default().clone(); + full_binders.extend(supertrait_lifetimes.into_iter()); + break full_binders; + } + + Scope::Supertrait { s, lifetimes } => { + supertrait_lifetimes = lifetimes.clone(); + scope = s; + } + + Scope::Binder { hir_id, from_poly_trait_ref, .. } => { + if !from_poly_trait_ref { + // We should only see super trait lifetimes if there is a `Binder` above + assert!(supertrait_lifetimes.is_empty()); + break vec![]; } - _ => None, - }) - .collect(), + // Nested poly trait refs have the binders concatenated + let mut full_binders = + self.map.late_bound_vars.entry(*hir_id).or_default().clone(); + full_binders.extend(supertrait_lifetimes.into_iter()); + break full_binders; + } + } + }; + let (lifetimes, local_binders): (FxHashMap, Vec<_>) = trait_ref + .bound_generic_params + .iter() + .filter_map(|param| match param.kind { + GenericParamKind::Lifetime { .. } => Some(param), + _ => None, + }) + .enumerate() + .map(|(late_bound_idx, param)| { + let pair = Region::late( + outer_binders.len() as u32 + late_bound_idx as u32, + &self.tcx.hir(), + param, + ); + let r = late_region_as_bound_region(self.tcx, &pair.1); + (pair, r) + }) + .unzip(); + + outer_binders.extend(local_binders.into_iter()); + + (outer_binders, lifetimes) + }; + + debug!(?binders); + self.map.late_bound_vars.insert(trait_ref.trait_ref.hir_ref_id, binders); + + if trait_ref_hack.is_none() || has_lifetimes { + let scope = Scope::Binder { + hir_id: trait_ref.trait_ref.hir_ref_id, + lifetimes, s: self.scope, next_early_index, track_lifetime_uses: true, opaque_type_parent: false, + from_poly_trait_ref: true, }; self.with(scope, |old_scope, this| { this.check_lifetime_params(old_scope, &trait_ref.bound_generic_params); @@ -1202,7 +1495,11 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { this.visit_trait_ref(&trait_ref.trait_ref); }); } else { - self.visit_trait_ref(&trait_ref.trait_ref); + let scope = + Scope::TraitRefHackInner { hir_id: trait_ref.trait_ref.hir_ref_id, s: self.scope }; + self.with(scope, |_old_scope, this| { + this.visit_trait_ref(&trait_ref.trait_ref); + }); } self.trait_ref_hack = trait_ref_hack; if should_pop_missing_lt { @@ -1354,7 +1651,9 @@ fn extract_labels(ctxt: &mut LifetimeContext<'_, '_>, body: &hir::Body<'_>) { match *scope { Scope::Body { s, .. } | Scope::Elision { s, .. } - | Scope::ObjectLifetimeDefault { s, .. } => { + | Scope::ObjectLifetimeDefault { s, .. } + | Scope::TraitRefHackInner { s, .. } + | Scope::Supertrait { s, .. } => { scope = s; } @@ -1543,11 +1842,12 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { let labels_in_fn = take(&mut self.labels_in_fn); let xcrate_object_lifetime_defaults = take(&mut self.xcrate_object_lifetime_defaults); let missing_named_lifetime_spots = take(&mut self.missing_named_lifetime_spots); + let trait_ref_hack = take(&mut self.trait_ref_hack); let mut this = LifetimeContext { tcx: *tcx, map, scope: &wrap_scope, - trait_ref_hack: self.trait_ref_hack, + trait_ref_hack, is_in_fn_syntax: self.is_in_fn_syntax, is_in_const_generic: self.is_in_const_generic, trait_definition_only: self.trait_definition_only, @@ -1567,6 +1867,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { self.labels_in_fn = this.labels_in_fn; self.xcrate_object_lifetime_defaults = this.xcrate_object_lifetime_defaults; self.missing_named_lifetime_spots = this.missing_named_lifetime_spots; + self.trait_ref_hack = this.trait_ref_hack; } /// helper method to determine the span to remove when suggesting the @@ -1715,7 +2016,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { .values() .flat_map(|region| match region { Region::EarlyBound(_, def_id, _) - | Region::LateBound(_, def_id, _) + | Region::LateBound(_, _, def_id, _) | Region::Free(_, def_id) => Some(*def_id), Region::LateBoundAnon(..) | Region::Static => None, @@ -1861,6 +2162,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { fn visit_early_late( &mut self, parent_id: Option, + hir_id: hir::HirId, decl: &'tcx hir::FnDecl<'tcx>, generics: &'tcx hir::Generics<'tcx>, walk: F, @@ -1870,31 +2172,34 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { insert_late_bound_lifetimes(self.map, decl, generics); // Find the start of nested early scopes, e.g., in methods. - let mut index = 0; + let mut next_early_index = 0; if let Some(parent_id) = parent_id { let parent = self.tcx.hir().expect_item(parent_id); if sub_items_have_self_param(&parent.kind) { - index += 1; // Self comes before lifetimes + next_early_index += 1; // Self comes before lifetimes } match parent.kind { hir::ItemKind::Trait(_, _, ref generics, ..) | hir::ItemKind::Impl(hir::Impl { ref generics, .. }) => { - index += generics.params.len() as u32; + next_early_index += generics.params.len() as u32; } _ => {} } } let mut non_lifetime_count = 0; - let lifetimes = generics + let mut named_late_bound_vars = 0; + let lifetimes: FxHashMap = generics .params .iter() .filter_map(|param| match param.kind { GenericParamKind::Lifetime { .. } => { if self.map.late_bound.contains(¶m.hir_id) { - Some(Region::late(&self.tcx.hir(), param)) + let late_bound_idx = named_late_bound_vars; + named_late_bound_vars += 1; + Some(Region::late(late_bound_idx, &self.tcx.hir(), param)) } else { - Some(Region::early(&self.tcx.hir(), &mut index, param)) + Some(Region::early(&self.tcx.hir(), &mut next_early_index, param)) } } GenericParamKind::Type { .. } | GenericParamKind::Const { .. } => { @@ -1903,14 +2208,35 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { } }) .collect(); - let next_early_index = index + non_lifetime_count; + let next_early_index = next_early_index + non_lifetime_count; + let binders: Vec<_> = generics + .params + .iter() + .filter_map(|param| match param.kind { + GenericParamKind::Lifetime { .. } + if self.map.late_bound.contains(¶m.hir_id) => + { + Some(param) + } + _ => None, + }) + .enumerate() + .map(|(late_bound_idx, param)| { + let pair = Region::late(late_bound_idx as u32, &self.tcx.hir(), param); + let r = late_region_as_bound_region(self.tcx, &pair.1); + r + }) + .collect(); + self.map.late_bound_vars.insert(hir_id, binders); let scope = Scope::Binder { + hir_id, lifetimes, next_early_index, s: self.scope, opaque_type_parent: true, track_lifetime_uses: false, + from_poly_trait_ref: false, }; self.with(scope, move |old_scope, this| { this.check_lifetime_params(old_scope, &generics.params); @@ -1933,7 +2259,9 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { Scope::Binder { s, .. } | Scope::Body { s, .. } | Scope::Elision { s, .. } - | Scope::ObjectLifetimeDefault { s, .. } => scope = s, + | Scope::ObjectLifetimeDefault { s, .. } + | Scope::TraitRefHackInner { s, .. } + | Scope::Supertrait { s, .. } => scope = s, } } } @@ -1965,6 +2293,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { // given name or we run out of scopes. // search. let mut late_depth = 0; + let mut in_poly_trait_ref = false; let mut scope = self.scope; let mut outermost_body = None; let result = loop { @@ -1982,7 +2311,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { break None; } - Scope::Binder { ref lifetimes, s, .. } => { + Scope::Binder { ref lifetimes, from_poly_trait_ref, s, .. } => { match lifetime_ref.name { LifetimeName::Param(param_name) => { if let Some(&def) = lifetimes.get(¶m_name.normalize_to_macros_2_0()) @@ -1993,11 +2322,35 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { _ => bug!("expected LifetimeName::Param"), } - late_depth += 1; + match (from_poly_trait_ref, in_poly_trait_ref) { + // This is the first binder we see that is a poly trait ref; add one to the + // late depth and mark that we're potentially in nested trait refs. + (true, false) => { + in_poly_trait_ref = true; + late_depth += 1; + } + // We've already seen a binder that is a poly trait ref and this one is too, + // that means that they are nested and we are concatenating the bound vars; + // don't increase the late depth. + (true, true) => {} + // We've exited nested poly trait refs; add one to the late depth and mark + // that we are no longer in nested trait refs + (false, true) => { + in_poly_trait_ref = false; + late_depth += 1; + } + // Any other kind of nested binders: just increase late depth. + (false, false) => { + late_depth += 1; + } + } scope = s; } - Scope::Elision { s, .. } | Scope::ObjectLifetimeDefault { s, .. } => { + Scope::Elision { s, .. } + | Scope::ObjectLifetimeDefault { s, .. } + | Scope::TraitRefHackInner { s, .. } + | Scope::Supertrait { s, .. } => { scope = s; } } @@ -2025,7 +2378,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { if !self.trait_definition_only && self.is_in_fn_syntax { match def { Region::EarlyBound(_, _, LifetimeDefOrigin::InBand) - | Region::LateBound(_, _, LifetimeDefOrigin::InBand) => { + | Region::LateBound(_, _, _, LifetimeDefOrigin::InBand) => { struct_span_err!( self.tcx.sess, lifetime_ref.span, @@ -2044,6 +2397,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { LifetimeDefOrigin::ExplicitOrElided | LifetimeDefOrigin::Error, ) | Region::LateBound( + _, _, _, LifetimeDefOrigin::ExplicitOrElided | LifetimeDefOrigin::Error, @@ -2079,7 +2433,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { } let mut elide_lifetimes = true; - let lifetimes = generic_args + let lifetimes: Vec<_> = generic_args .args .iter() .filter_map(|arg| match arg { @@ -2092,8 +2446,10 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { _ => None, }) .collect(); + // We short-circuit here if all are elided in order to pluralize + // possible errors if elide_lifetimes { - self.resolve_elided_lifetimes(lifetimes); + self.resolve_elided_lifetimes(&lifetimes); } else { lifetimes.iter().for_each(|lt| self.visit_lifetime(lt)); } @@ -2146,7 +2502,9 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { Scope::Binder { s, .. } | Scope::Elision { s, .. } - | Scope::ObjectLifetimeDefault { s, .. } => { + | Scope::ObjectLifetimeDefault { s, .. } + | Scope::TraitRefHackInner { s, .. } + | Scope::Supertrait { s, .. } => { scope = s; } } @@ -2245,13 +2603,84 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { let has_lifetime_parameter = generic_args.args.iter().any(|arg| matches!(arg, GenericArg::Lifetime(_))); - // Resolve lifetimes found in the type `XX` from `Item = XX` bindings. - for b in generic_args.bindings { + // Resolve lifetimes found in the bindings, so either in the type `XX` in `Item = XX` or + // in the trait ref `YY<...>` in `Item: YY<...>`. + for binding in generic_args.bindings { let scope = Scope::ObjectLifetimeDefault { lifetime: if has_lifetime_parameter { None } else { Some(Region::Static) }, s: self.scope, }; - self.with(scope, |_, this| this.visit_assoc_type_binding(b)); + if let Some(type_def_id) = type_def_id { + let lifetimes = LifetimeContext::supertrait_hrtb_lifetimes( + self.tcx, + type_def_id, + binding.ident, + ); + self.with(scope, |_, this| { + let scope = + Scope::Supertrait { lifetimes: lifetimes.unwrap_or(vec![]), s: this.scope }; + this.with(scope, |_, this| this.visit_assoc_type_binding(binding)); + }); + } else { + self.with(scope, |_, this| this.visit_assoc_type_binding(binding)); + } + } + } + + /// Returns all the late-bound vars that come into scope from supertrait HRTBs, based on the + /// associated type name and starting trait. + /// For example, imagine we have + /// ```rust + /// trait Foo<'a, 'b> { + /// type As; + /// } + /// trait Bar<'b>: for<'a> Foo<'a, 'b> {} + /// trait Bar: for<'b> Bar<'b> {} + /// ``` + /// In this case, if we wanted to the supertrait HRTB lifetimes for `As` on + /// the starting trait `Bar`, we would return `Some(['b, 'a])`. + fn supertrait_hrtb_lifetimes( + tcx: TyCtxt<'tcx>, + def_id: DefId, + assoc_name: Ident, + ) -> Option> { + let trait_defines_associated_type_named = |trait_def_id: DefId| { + tcx.associated_items(trait_def_id) + .find_by_name_and_kind(tcx, assoc_name, ty::AssocKind::Type, trait_def_id) + .is_some() + }; + + use smallvec::{smallvec, SmallVec}; + let mut stack: SmallVec<[(DefId, SmallVec<[ty::BoundVariableKind; 8]>); 8]> = + smallvec![(def_id, smallvec![])]; + let mut visited: FxHashSet = FxHashSet::default(); + loop { + let (def_id, bound_vars) = match stack.pop() { + Some(next) => next, + None => break None, + }; + if trait_defines_associated_type_named(def_id) { + break Some(bound_vars.into_iter().collect()); + } + let predicates = + tcx.super_predicates_that_define_assoc_type((def_id, Some(assoc_name))); + let obligations = predicates.predicates.iter().filter_map(|&(pred, _)| { + let bound_predicate = pred.kind(); + match bound_predicate.skip_binder() { + ty::PredicateKind::Trait(data, _) => { + // The order here needs to match what we would get from `subst_supertrait` + let pred_bound_vars = bound_predicate.bound_vars(); + let mut all_bound_vars = bound_vars.clone(); + all_bound_vars.extend(pred_bound_vars.iter()); + let super_def_id = data.trait_ref.def_id; + Some((super_def_id, all_bound_vars)) + } + _ => None, + } + }); + + let obligations = obligations.filter(|o| visited.insert(o.0)); + stack.extend(obligations); } } @@ -2261,7 +2690,37 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { inputs: &'tcx [hir::Ty<'tcx>], output: Option<&'tcx hir::Ty<'tcx>>, ) { - let arg_scope = Scope::Elision { elide: Elide::FreshLateAnon(Cell::new(0)), s: self.scope }; + debug!("visit_fn_like_elision: enter"); + let mut scope = &*self.scope; + let hir_id = loop { + match scope { + Scope::Binder { hir_id, .. } | Scope::TraitRefHackInner { hir_id, .. } => { + break *hir_id; + } + Scope::Body { id, .. } => break id.hir_id, + Scope::ObjectLifetimeDefault { ref s, .. } + | Scope::Elision { ref s, .. } + | Scope::Supertrait { ref s, .. } => { + scope = *s; + } + Scope::Root => bug!("In fn_like_elision without appropriate scope above"), + } + }; + // While not strictly necessary, we gather anon lifetimes *before* actually + // visiting the argument types. + let mut gather = GatherAnonLifetimes { anon_count: 0 }; + for input in inputs { + gather.visit_ty(input); + } + let late_bound_vars = self.map.late_bound_vars.entry(hir_id).or_default(); + let named_late_bound_vars = late_bound_vars.len() as u32; + late_bound_vars.extend( + (0..gather.anon_count).map(|var| ty::BoundVariableKind::Region(ty::BrAnon(var))), + ); + let arg_scope = Scope::Elision { + elide: Elide::FreshLateAnon(named_late_bound_vars, Cell::new(0)), + s: self.scope, + }; self.with(arg_scope, |_, this| { for input in inputs { this.visit_ty(input); @@ -2516,7 +2975,8 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { fn visit_lifetime(&mut self, lifetime_ref: &hir::Lifetime) { if let Some(&lifetime) = self.map.defs.get(&lifetime_ref.hir_id) { match lifetime { - Region::LateBound(debruijn, _, _) | Region::LateBoundAnon(debruijn, _) + Region::LateBound(debruijn, _, _, _) + | Region::LateBoundAnon(debruijn, _, _) if debruijn < self.outer_index => { self.have_bound_regions = true; @@ -2528,9 +2988,46 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { } } } + + struct GatherAnonLifetimes { + anon_count: u32, + } + impl<'v> Visitor<'v> for GatherAnonLifetimes { + type Map = intravisit::ErasedMap<'v>; + + fn nested_visit_map(&mut self) -> NestedVisitorMap { + NestedVisitorMap::None + } + + fn visit_ty(&mut self, ty: &hir::Ty<'_>) { + // If we enter a `BareFn`, then we enter a *new* binding scope + if let hir::TyKind::BareFn(_) = ty.kind { + return; + } + intravisit::walk_ty(self, ty); + } + + fn visit_generic_args( + &mut self, + path_span: Span, + generic_args: &'v hir::GenericArgs<'v>, + ) { + // parenthesized args enter a new elison scope + if generic_args.parenthesized { + return; + } + intravisit::walk_generic_args(self, path_span, generic_args) + } + + fn visit_lifetime(&mut self, lifetime_ref: &hir::Lifetime) { + if lifetime_ref.is_elided() { + self.anon_count += 1; + } + } + } } - fn resolve_elided_lifetimes(&mut self, lifetime_refs: Vec<&'tcx hir::Lifetime>) { + fn resolve_elided_lifetimes(&mut self, lifetime_refs: &[&'tcx hir::Lifetime]) { debug!("resolve_elided_lifetimes(lifetime_refs={:?})", lifetime_refs); if lifetime_refs.is_empty() { @@ -2539,6 +3036,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { let span = lifetime_refs[0].span; let mut late_depth = 0; + let mut in_poly_trait_ref = false; let mut scope = self.scope; let mut lifetime_names = FxHashSet::default(); let mut lifetime_spans = vec![]; @@ -2549,7 +3047,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { Scope::Root => break None, - Scope::Binder { s, ref lifetimes, .. } => { + Scope::Binder { s, ref lifetimes, from_poly_trait_ref, .. } => { // collect named lifetimes for suggestions for name in lifetimes.keys() { if let hir::ParamName::Plain(name) = name { @@ -2557,15 +3055,31 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { lifetime_spans.push(name.span); } } - late_depth += 1; + // See comments in `resolve_lifetime_ref` + match (from_poly_trait_ref, in_poly_trait_ref) { + (true, false) => { + in_poly_trait_ref = true; + late_depth += 1; + } + (true, true) => {} + (false, true) => { + in_poly_trait_ref = false; + late_depth += 1; + } + (false, false) => { + late_depth += 1; + } + } scope = s; } Scope::Elision { ref elide, ref s, .. } => { let lifetime = match *elide { - Elide::FreshLateAnon(ref counter) => { + Elide::FreshLateAnon(named_late_bound_vars, ref counter) => { for lifetime_ref in lifetime_refs { - let lifetime = Region::late_anon(counter).shifted(late_depth); + let lifetime = Region::late_anon(named_late_bound_vars, counter) + .shifted(late_depth); + self.insert_lifetime(lifetime_ref, lifetime); } return; @@ -2602,7 +3116,9 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { return; } - Scope::ObjectLifetimeDefault { s, .. } => { + Scope::ObjectLifetimeDefault { s, .. } + | Scope::TraitRefHackInner { s, .. } + | Scope::Supertrait { s, .. } => { scope = s; } } @@ -2708,11 +3224,25 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { fn resolve_object_lifetime_default(&mut self, lifetime_ref: &'tcx hir::Lifetime) { debug!("resolve_object_lifetime_default(lifetime_ref={:?})", lifetime_ref); let mut late_depth = 0; + let mut in_poly_trait_ref = false; let mut scope = self.scope; let lifetime = loop { match *scope { - Scope::Binder { s, .. } => { - late_depth += 1; + Scope::Binder { s, from_poly_trait_ref, .. } => { + match (from_poly_trait_ref, in_poly_trait_ref) { + (true, false) => { + in_poly_trait_ref = true; + late_depth += 1; + } + (true, true) => {} + (false, true) => { + in_poly_trait_ref = false; + late_depth += 1; + } + (false, false) => { + late_depth += 1; + } + } scope = s; } @@ -2721,6 +3251,10 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { Scope::Body { .. } | Scope::ObjectLifetimeDefault { lifetime: None, .. } => return, Scope::ObjectLifetimeDefault { lifetime: Some(l), .. } => break l, + + Scope::TraitRefHackInner { s, .. } | Scope::Supertrait { s, .. } => { + scope = s; + } } }; self.insert_lifetime(lifetime_ref, lifetime.shifted(late_depth)); @@ -2844,7 +3378,9 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { match *old_scope { Scope::Body { s, .. } | Scope::Elision { s, .. } - | Scope::ObjectLifetimeDefault { s, .. } => { + | Scope::ObjectLifetimeDefault { s, .. } + | Scope::TraitRefHackInner { s, .. } + | Scope::Supertrait { s, .. } => { old_scope = s; } @@ -2890,7 +3426,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { // A lifetime only used in a fn argument could as well // be replaced with `'_`, as that would generate a // fresh name, too. - Scope::Elision { elide: Elide::FreshLateAnon(_), .. } => break true, + Scope::Elision { elide: Elide::FreshLateAnon(..), .. } => break true, // In the return type or other such place, `'_` is not // going to make a fresh name, so we cannot @@ -2900,7 +3436,9 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { elide: Elide::Exact(_) | Elide::Error(_) | Elide::Forbid, .. } => break false, - Scope::ObjectLifetimeDefault { s, .. } => scope = s, + Scope::ObjectLifetimeDefault { s, .. } + | Scope::TraitRefHackInner { s, .. } + | Scope::Supertrait { s, .. } => scope = s, } } } @@ -2919,7 +3457,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { } Region::Free(_, def_id) - | Region::LateBound(_, def_id, _) + | Region::LateBound(_, _, def_id, _) | Region::EarlyBound(_, def_id, _) => { // A lifetime declared by the user. let track_lifetime_uses = self.track_lifetime_uses(); diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index fe5078f26bd9..1c5f8996e1b4 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -18,6 +18,7 @@ #![feature(nll)] #![cfg_attr(bootstrap, feature(or_patterns))] #![recursion_limit = "256"] +#![allow(rustdoc::private_intra_doc_links)] pub use rustc_hir::def::{Namespace, PerNS}; @@ -37,7 +38,7 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap}; use rustc_data_structures::ptr_key::PtrKey; use rustc_data_structures::sync::Lrc; use rustc_errors::{struct_span_err, Applicability, DiagnosticBuilder}; -use rustc_expand::base::{SyntaxExtension, SyntaxExtensionKind}; +use rustc_expand::base::{DeriveResolutions, SyntaxExtension, SyntaxExtensionKind}; use rustc_hir::def::Namespace::*; use rustc_hir::def::{self, CtorOf, DefKind, NonMacroAttrKind, PartialRes}; use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, LocalDefId, CRATE_DEF_INDEX}; @@ -851,6 +852,12 @@ enum BuiltinMacroState { AlreadySeen(Span), } +struct DeriveData { + resolutions: DeriveResolutions, + helper_attrs: Vec<(usize, Ident)>, + has_derive_copy: bool, +} + /// The main resolver class. /// /// This is the visitor that walks the whole crate. @@ -973,8 +980,9 @@ pub struct Resolver<'a> { output_macro_rules_scopes: FxHashMap>, /// Helper attributes that are in scope for the given expansion. helper_attrs: FxHashMap>, - /// Resolutions for paths inside the `#[derive(...)]` attribute with the given `ExpnId`. - derive_resolutions: FxHashMap, ast::Path)>>, + /// Ready or in-progress results of resolving paths inside the `#[derive(...)]` attribute + /// with the given `ExpnId`. + derive_data: FxHashMap, /// Avoid duplicated errors for "name already defined". name_already_seen: FxHashMap, @@ -1310,7 +1318,7 @@ impl<'a> Resolver<'a> { invocation_parent_scopes: Default::default(), output_macro_rules_scopes: Default::default(), helper_attrs: Default::default(), - derive_resolutions: Default::default(), + derive_data: Default::default(), local_macro_def_scopes: FxHashMap::default(), name_already_seen: FxHashMap::default(), potentially_unused_imports: Vec::new(), diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index d238f65c941a..10e27f33c299 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -4,7 +4,7 @@ use crate::imports::ImportResolver; use crate::Namespace::*; use crate::{AmbiguityError, AmbiguityErrorMisc, AmbiguityKind, BuiltinMacroState, Determinacy}; -use crate::{CrateLint, ParentScope, ResolutionError, Resolver, Scope, ScopeSet, Weak}; +use crate::{CrateLint, DeriveData, ParentScope, ResolutionError, Resolver, Scope, ScopeSet, Weak}; use crate::{ModuleKind, ModuleOrUniformRoot, NameBinding, PathResult, Segment, ToNameBinding}; use rustc_ast::{self as ast, Inline, ItemKind, ModKind, NodeId}; use rustc_ast_lowering::ResolverAstLowering; @@ -14,8 +14,8 @@ use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::ptr_key::PtrKey; use rustc_data_structures::sync::Lrc; use rustc_errors::struct_span_err; -use rustc_expand::base::Annotatable; -use rustc_expand::base::{Indeterminate, ResolverExpand, SyntaxExtension, SyntaxExtensionKind}; +use rustc_expand::base::{Annotatable, DeriveResolutions, Indeterminate, ResolverExpand}; +use rustc_expand::base::{SyntaxExtension, SyntaxExtensionKind}; use rustc_expand::compile_declarative_macro; use rustc_expand::expand::{AstFragment, Invocation, InvocationKind, SupportsMacroExpansion}; use rustc_feature::is_builtin_attr_name; @@ -359,8 +359,8 @@ impl<'a> ResolverExpand for Resolver<'a> { fn resolve_derives( &mut self, expn_id: ExpnId, - derives: Vec, force: bool, + derive_paths: &dyn Fn() -> DeriveResolutions, ) -> Result<(), Indeterminate> { // Block expansion of the container until we resolve all derives in it. // This is required for two reasons: @@ -368,49 +368,63 @@ impl<'a> ResolverExpand for Resolver<'a> { // is applied, so they have to be produced by the container's expansion rather // than by individual derives. // - Derives in the container need to know whether one of them is a built-in `Copy`. - // FIXME: Try to cache intermediate results to avoid resolving same derives multiple times. + // Temporarily take the data to avoid borrow checker conflicts. + let mut derive_data = mem::take(&mut self.derive_data); + let entry = derive_data.entry(expn_id).or_insert_with(|| DeriveData { + resolutions: derive_paths(), + helper_attrs: Vec::new(), + has_derive_copy: false, + }); let parent_scope = self.invocation_parent_scopes[&expn_id]; - let mut exts = Vec::new(); - let mut helper_attrs = Vec::new(); - let mut has_derive_copy = false; - for path in derives { - exts.push(( - match self.resolve_macro_path( - &path, - Some(MacroKind::Derive), - &parent_scope, - true, - force, - ) { - Ok((Some(ext), _)) => { - let span = - path.segments.last().unwrap().ident.span.normalize_to_macros_2_0(); - helper_attrs - .extend(ext.helper_attrs.iter().map(|name| Ident::new(*name, span))); - has_derive_copy |= ext.builtin_name == Some(sym::Copy); - ext - } - Ok(_) | Err(Determinacy::Determined) => self.dummy_ext(MacroKind::Derive), - Err(Determinacy::Undetermined) => return Err(Indeterminate), - }, - path, - )) + for (i, (path, opt_ext)) in entry.resolutions.iter_mut().enumerate() { + if opt_ext.is_none() { + *opt_ext = Some( + match self.resolve_macro_path( + &path, + Some(MacroKind::Derive), + &parent_scope, + true, + force, + ) { + Ok((Some(ext), _)) => { + if !ext.helper_attrs.is_empty() { + let last_seg = path.segments.last().unwrap(); + let span = last_seg.ident.span.normalize_to_macros_2_0(); + entry.helper_attrs.extend( + ext.helper_attrs + .iter() + .map(|name| (i, Ident::new(*name, span))), + ); + } + entry.has_derive_copy |= ext.builtin_name == Some(sym::Copy); + ext + } + Ok(_) | Err(Determinacy::Determined) => self.dummy_ext(MacroKind::Derive), + Err(Determinacy::Undetermined) => { + assert!(self.derive_data.is_empty()); + self.derive_data = derive_data; + return Err(Indeterminate); + } + }, + ); + } } - self.derive_resolutions.insert(expn_id, exts); - self.helper_attrs.insert(expn_id, helper_attrs); + // Sort helpers in a stable way independent from the derive resolution order. + entry.helper_attrs.sort_by_key(|(i, _)| *i); + self.helper_attrs + .insert(expn_id, entry.helper_attrs.iter().map(|(_, ident)| *ident).collect()); // Mark this derive as having `Copy` either if it has `Copy` itself or if its parent derive // has `Copy`, to support cases like `#[derive(Clone, Copy)] #[derive(Debug)]`. - if has_derive_copy || self.has_derive_copy(parent_scope.expansion) { + if entry.has_derive_copy || self.has_derive_copy(parent_scope.expansion) { self.containers_deriving_copy.insert(expn_id); } + assert!(self.derive_data.is_empty()); + self.derive_data = derive_data; Ok(()) } - fn take_derive_resolutions( - &mut self, - expn_id: ExpnId, - ) -> Option, ast::Path)>> { - self.derive_resolutions.remove(&expn_id) + fn take_derive_resolutions(&mut self, expn_id: ExpnId) -> Option { + self.derive_data.remove(&expn_id).map(|data| data.resolutions) } // The function that implements the resolution logic of `#[cfg_accessible(path)]`. diff --git a/compiler/rustc_save_analysis/src/dump_visitor.rs b/compiler/rustc_save_analysis/src/dump_visitor.rs index 65f16ff45a10..12c77e0c8a60 100644 --- a/compiler/rustc_save_analysis/src/dump_visitor.rs +++ b/compiler/rustc_save_analysis/src/dump_visitor.rs @@ -151,7 +151,7 @@ impl<'tcx> DumpVisitor<'tcx> { }, crate_root: crate_root.unwrap_or_else(|| "".to_owned()), external_crates: self.save_ctxt.get_external_crates(), - span: self.span_from_span(krate.item.span), + span: self.span_from_span(krate.item.inner), }; self.dumper.crate_prelude(data); @@ -1097,16 +1097,11 @@ impl<'tcx> DumpVisitor<'tcx> { format!("::{}", self.tcx.def_path_str(self.tcx.hir().local_def_id(id).to_def_id())); let sm = self.tcx.sess.source_map(); - let filename = sm.span_to_filename(krate.item.span); + let filename = sm.span_to_filename(krate.item.inner); let data_id = id_from_hir_id(id, &self.save_ctxt); - let children = krate - .item - .module - .item_ids - .iter() - .map(|i| id_from_def_id(i.def_id.to_def_id())) - .collect(); - let span = self.span_from_span(krate.item.span); + let children = + krate.item.item_ids.iter().map(|i| id_from_def_id(i.def_id.to_def_id())).collect(); + let span = self.span_from_span(krate.item.inner); let attrs = self.tcx.hir().attrs(id); self.dumper.dump_def( diff --git a/compiler/rustc_save_analysis/src/lib.rs b/compiler/rustc_save_analysis/src/lib.rs index 13d613132c09..c19c16b88a7a 100644 --- a/compiler/rustc_save_analysis/src/lib.rs +++ b/compiler/rustc_save_analysis/src/lib.rs @@ -516,19 +516,6 @@ impl<'tcx> SaveContext<'tcx> { }) } - pub fn get_trait_ref_data(&self, trait_ref: &hir::TraitRef<'_>) -> Option { - self.lookup_def_id(trait_ref.hir_ref_id).and_then(|def_id| { - let span = trait_ref.path.span; - if generated_code(span) { - return None; - } - let sub_span = trait_ref.path.segments.last().unwrap().ident.span; - filter!(self.span_utils, sub_span); - let span = self.span_from_span(sub_span); - Some(Ref { kind: RefKind::Type, span, ref_id: id_from_def_id(def_id) }) - }) - } - pub fn get_expr_data(&self, expr: &hir::Expr<'_>) -> Option { let ty = self.typeck_results().expr_ty_adjusted_opt(expr)?; if matches!(ty.kind(), ty::Error(_)) { @@ -784,7 +771,10 @@ impl<'tcx> SaveContext<'tcx> { /// For a given piece of AST defined by the supplied Span and NodeId, /// returns `None` if the node is not macro-generated or the span is malformed, /// else uses the expansion callsite and callee to return some MacroRef. - pub fn get_macro_use_data(&self, span: Span) -> Option { + /// + /// FIXME: [`DumpVisitor::process_macro_use`] should actually dump this data + #[allow(dead_code)] + fn get_macro_use_data(&self, span: Span) -> Option { if !generated_code(span) { return None; } diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 3d69943e8897..75bd8880b346 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -10,7 +10,6 @@ use crate::{early_error, early_warn, Session}; use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::impl_stable_hash_via_hash; -use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_target::abi::{Align, TargetDataLayout}; use rustc_target::spec::{SplitDebuginfo, Target, TargetTriple}; @@ -36,66 +35,6 @@ use std::iter::{self, FromIterator}; use std::path::{Path, PathBuf}; use std::str::{self, FromStr}; -bitflags! { - #[derive(Default, Encodable, Decodable)] - pub struct SanitizerSet: u8 { - const ADDRESS = 1 << 0; - const LEAK = 1 << 1; - const MEMORY = 1 << 2; - const THREAD = 1 << 3; - const HWADDRESS = 1 << 4; - } -} - -/// Formats a sanitizer set as a comma separated list of sanitizers' names. -impl fmt::Display for SanitizerSet { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - let mut first = true; - for s in *self { - let name = match s { - SanitizerSet::ADDRESS => "address", - SanitizerSet::LEAK => "leak", - SanitizerSet::MEMORY => "memory", - SanitizerSet::THREAD => "thread", - SanitizerSet::HWADDRESS => "hwaddress", - _ => panic!("unrecognized sanitizer {:?}", s), - }; - if !first { - f.write_str(",")?; - } - f.write_str(name)?; - first = false; - } - Ok(()) - } -} - -impl IntoIterator for SanitizerSet { - type Item = SanitizerSet; - type IntoIter = std::vec::IntoIter; - - fn into_iter(self) -> Self::IntoIter { - [ - SanitizerSet::ADDRESS, - SanitizerSet::LEAK, - SanitizerSet::MEMORY, - SanitizerSet::THREAD, - SanitizerSet::HWADDRESS, - ] - .iter() - .copied() - .filter(|&s| self.contains(s)) - .collect::>() - .into_iter() - } -} - -impl HashStable for SanitizerSet { - fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) { - self.bits().hash_stable(ctx, hasher); - } -} - /// The different settings that the `-Z strip` flag can have. #[derive(Clone, Copy, PartialEq, Hash, Debug)] pub enum Strip { @@ -505,6 +444,7 @@ impl<'a> From<&'a ExternDepSpec> for rustc_lint_defs::ExternDepSpec { } impl Externs { + /// Used for testing. pub fn new(data: BTreeMap) -> Externs { Externs(data) } @@ -516,6 +456,10 @@ impl Externs { pub fn iter(&self) -> BTreeMapIter<'_, String, ExternEntry> { self.0.iter() } + + pub fn len(&self) -> usize { + self.0.len() + } } impl ExternEntry { @@ -604,13 +548,6 @@ impl Input { } } - pub fn get_input(&mut self) -> Option<&mut String> { - match *self { - Input::File(_) => None, - Input::Str { ref mut input, .. } => Some(input), - } - } - pub fn source_name(&self) -> FileName { match *self { Input::File(ref ifile) => ifile.clone().into(), @@ -765,6 +702,7 @@ impl Default for Options { remap_path_prefix: Vec::new(), edition: DEFAULT_EDITION, json_artifact_notifications: false, + json_unused_externs: false, pretty: None, } } @@ -778,12 +716,6 @@ impl Options { || self.debugging_opts.query_dep_graph } - #[inline(always)] - pub fn enable_dep_node_debug_strs(&self) -> bool { - cfg!(debug_assertions) - && (self.debugging_opts.query_dep_graph || self.debugging_opts.incremental_info) - } - pub fn file_path_mapping(&self) -> FilePathMapping { FilePathMapping::new(self.remap_path_prefix.clone()) } @@ -965,7 +897,7 @@ pub fn build_target_config(opts: &Options, target_override: Option) -> T opts.error_format, &format!( "Error loading target specification: {}. \ - Use `--print target-list` for a list of built-in targets", + Run `rustc --print target-list` for a list of built-in targets", e ), ) @@ -1060,9 +992,6 @@ mod opt { pub fn flag_s(a: S, b: S, c: S) -> R { stable(longer(a, b), move |opts| opts.optflag(a, b, c)) } - pub fn flagopt_s(a: S, b: S, c: S, d: S) -> R { - stable(longer(a, b), move |opts| opts.optflagopt(a, b, c, d)) - } pub fn flagmulti_s(a: S, b: S, c: S) -> R { stable(longer(a, b), move |opts| opts.optflagmulti(a, b, c)) } @@ -1073,15 +1002,6 @@ mod opt { pub fn multi(a: S, b: S, c: S, d: S) -> R { unstable(longer(a, b), move |opts| opts.optmulti(a, b, c, d)) } - pub fn flag(a: S, b: S, c: S) -> R { - unstable(longer(a, b), move |opts| opts.optflag(a, b, c)) - } - pub fn flagopt(a: S, b: S, c: S, d: S) -> R { - unstable(longer(a, b), move |opts| opts.optflagopt(a, b, c, d)) - } - pub fn flagmulti(a: S, b: S, c: S) -> R { - unstable(longer(a, b), move |opts| opts.optflagmulti(a, b, c)) - } } /// Returns the "short" subset of the rustc command line options, @@ -1281,15 +1201,23 @@ pub fn parse_color(matches: &getopts::Matches) -> ColorConfig { } } +/// Possible json config files +pub struct JsonConfig { + pub json_rendered: HumanReadableErrorType, + pub json_artifact_notifications: bool, + pub json_unused_externs: bool, +} + /// Parse the `--json` flag. /// /// The first value returned is how to render JSON diagnostics, and the second /// is whether or not artifact notifications are enabled. -pub fn parse_json(matches: &getopts::Matches) -> (HumanReadableErrorType, bool) { +pub fn parse_json(matches: &getopts::Matches) -> JsonConfig { let mut json_rendered: fn(ColorConfig) -> HumanReadableErrorType = HumanReadableErrorType::Default; let mut json_color = ColorConfig::Never; let mut json_artifact_notifications = false; + let mut json_unused_externs = false; for option in matches.opt_strs("json") { // For now conservatively forbid `--color` with `--json` since `--json` // won't actually be emitting any colors and anything colorized is @@ -1306,6 +1234,7 @@ pub fn parse_json(matches: &getopts::Matches) -> (HumanReadableErrorType, bool) "diagnostic-short" => json_rendered = HumanReadableErrorType::Short, "diagnostic-rendered-ansi" => json_color = ColorConfig::Always, "artifacts" => json_artifact_notifications = true, + "unused-externs" => json_unused_externs = true, s => early_error( ErrorOutputType::default(), &format!("unknown `--json` option `{}`", s), @@ -1313,7 +1242,12 @@ pub fn parse_json(matches: &getopts::Matches) -> (HumanReadableErrorType, bool) } } } - (json_rendered(json_color), json_artifact_notifications) + + JsonConfig { + json_rendered: json_rendered(json_color), + json_artifact_notifications, + json_unused_externs, + } } /// Parses the `--error-format` flag. @@ -1891,7 +1825,8 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options { let edition = parse_crate_edition(matches); - let (json_rendered, json_artifact_notifications) = parse_json(matches); + let JsonConfig { json_rendered, json_artifact_notifications, json_unused_externs } = + parse_json(matches); let error_format = parse_error_format(matches, color, json_rendered); @@ -1904,6 +1839,14 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options { let mut debugging_opts = build_debugging_options(matches, error_format); check_debug_option_stability(&debugging_opts, error_format, json_rendered); + if !debugging_opts.unstable_options && json_unused_externs { + early_error( + error_format, + "the `-Z unstable-options` flag must also be passed to enable \ + the flag `--json=unused-externs`", + ); + } + let output_types = parse_output_types(&debugging_opts, matches, error_format); let mut cg = build_codegen_options(matches, error_format); @@ -2064,6 +2007,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options { remap_path_prefix, edition, json_artifact_notifications, + json_unused_externs, pretty, } } @@ -2332,8 +2276,8 @@ impl PpMode { crate mod dep_tracking { use super::{ CFGuard, CrateType, DebugInfo, ErrorOutputType, InstrumentCoverage, LinkerPluginLto, - LtoCli, OptLevel, OutputTypes, Passes, SanitizerSet, SourceFileHashAlgorithm, - SwitchWithOptPath, SymbolManglingVersion, TrimmedDefPaths, + LtoCli, OptLevel, OutputTypes, Passes, SourceFileHashAlgorithm, SwitchWithOptPath, + SymbolManglingVersion, TrimmedDefPaths, }; use crate::lint; use crate::options::WasiExecModel; @@ -2341,7 +2285,7 @@ crate mod dep_tracking { use rustc_feature::UnstableFeatures; use rustc_span::edition::Edition; use rustc_target::spec::{CodeModel, MergeFunctions, PanicStrategy, RelocModel}; - use rustc_target::spec::{RelroLevel, SplitDebuginfo, TargetTriple, TlsModel}; + use rustc_target::spec::{RelroLevel, SanitizerSet, SplitDebuginfo, TargetTriple, TlsModel}; use std::collections::hash_map::DefaultHasher; use std::collections::BTreeMap; use std::hash::Hash; @@ -2385,6 +2329,7 @@ crate mod dep_tracking { impl_dep_tracking_hash_via_hash!(PathBuf); impl_dep_tracking_hash_via_hash!(lint::Level); impl_dep_tracking_hash_via_hash!(Option); + impl_dep_tracking_hash_via_hash!(Option); impl_dep_tracking_hash_via_hash!(Option); impl_dep_tracking_hash_via_hash!(Option); impl_dep_tracking_hash_via_hash!(Option); @@ -2459,7 +2404,7 @@ crate mod dep_tracking { } // This is a stable hash because BTreeMap is a sorted container - pub fn stable_hash( + crate fn stable_hash( sub_hashes: BTreeMap<&'static str, &dyn DepTrackingHash>, hasher: &mut DefaultHasher, error_format: ErrorOutputType, diff --git a/compiler/rustc_session/src/lib.rs b/compiler/rustc_session/src/lib.rs index 95d17125a11a..7971f7ef9efe 100644 --- a/compiler/rustc_session/src/lib.rs +++ b/compiler/rustc_session/src/lib.rs @@ -3,8 +3,6 @@ #![cfg_attr(bootstrap, feature(or_patterns))] #![recursion_limit = "256"] -#[macro_use] -extern crate bitflags; #[macro_use] extern crate rustc_macros; diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index e071c58d1cda..a184608ed29b 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -5,7 +5,7 @@ use crate::lint; use crate::search_paths::SearchPath; use crate::utils::NativeLibKind; -use rustc_target::spec::{CodeModel, LinkerFlavor, MergeFunctions, PanicStrategy}; +use rustc_target::spec::{CodeModel, LinkerFlavor, MergeFunctions, PanicStrategy, SanitizerSet}; use rustc_target::spec::{RelocModel, RelroLevel, SplitDebuginfo, TargetTriple, TlsModel}; use rustc_feature::UnstableFeatures; @@ -147,6 +147,9 @@ top_level_options!( // by the compiler. json_artifact_notifications: bool [TRACKED], + // `true` if we're emitting a JSON blob containing the unused externs + json_unused_externs: bool [UNTRACKED], + pretty: Option [UNTRACKED], } ); @@ -248,9 +251,9 @@ macro_rules! options { pub const parse_list: &str = "a space-separated list of strings"; pub const parse_opt_list: &str = parse_list; pub const parse_opt_comma_list: &str = "a comma-separated list of strings"; - pub const parse_uint: &str = "a number"; - pub const parse_opt_uint: &str = parse_uint; - pub const parse_threads: &str = parse_uint; + pub const parse_number: &str = "a number"; + pub const parse_opt_number: &str = parse_number; + pub const parse_threads: &str = parse_number; pub const parse_passes: &str = "a space-separated list of passes, or `all`"; pub const parse_panic_strategy: &str = "either `unwind` or `abort`"; pub const parse_relro_level: &str = "one of: `full`, `partial`, or `off`"; @@ -414,16 +417,16 @@ macro_rules! options { } } - /// Use this for any uint option that has a static default. - fn parse_uint(slot: &mut usize, v: Option<&str>) -> bool { + /// Use this for any numeric option that has a static default. + fn parse_number(slot: &mut T, v: Option<&str>) -> bool { match v.and_then(|s| s.parse().ok()) { Some(i) => { *slot = i; true }, None => false } } - /// Use this for any uint option that lacks a static default. - fn parse_opt_uint(slot: &mut Option, v: Option<&str>) -> bool { + /// Use this for any numeric option that lacks a static default. + fn parse_opt_number(slot: &mut Option, v: Option<&str>) -> bool { match v { Some(s) => { *slot = s.parse().ok(); slot.is_some() } None => false @@ -784,13 +787,13 @@ options! {CodegenOptions, CodegenSetter, basic_codegen_options, "this option is deprecated and does nothing"), code_model: Option = (None, parse_code_model, [TRACKED], "choose the code model to use (`rustc --print code-models` for details)"), - codegen_units: Option = (None, parse_opt_uint, [UNTRACKED], + codegen_units: Option = (None, parse_opt_number, [UNTRACKED], "divide crate into N units to optimize in parallel"), control_flow_guard: CFGuard = (CFGuard::Disabled, parse_cfguard, [TRACKED], "use Windows Control Flow Guard (default: no)"), debug_assertions: Option = (None, parse_opt_bool, [TRACKED], "explicitly enable the `cfg(debug_assertions)` directive"), - debuginfo: usize = (0, parse_uint, [TRACKED], + debuginfo: usize = (0, parse_number, [TRACKED], "debug info emission level (0 = no debug info, 1 = line tables only, \ 2 = full debug info with variable and type information; default: 0)"), default_linker_libraries: bool = (false, parse_bool, [UNTRACKED], @@ -805,7 +808,7 @@ options! {CodegenOptions, CodegenSetter, basic_codegen_options, "force use of unwind tables"), incremental: Option = (None, parse_opt_string, [UNTRACKED], "enable incremental compilation"), - inline_threshold: Option = (None, parse_opt_uint, [TRACKED], + inline_threshold: Option = (None, parse_opt_number, [TRACKED], "set the threshold for inlining a function"), link_arg: (/* redirected to link_args */) = ((), parse_string_push, [UNTRACKED], "a single extra argument to append to the linker invocation (can be used several times)"), @@ -906,8 +909,6 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options, (default: no)"), borrowck: String = ("migrate".to_string(), parse_string, [UNTRACKED], "select which borrowck is used (`mir` or `migrate`) (default: `migrate`)"), - borrowck_stats: bool = (false, parse_bool, [UNTRACKED], - "gather borrowck statistics (default: no)"), cgu_partitioning_strategy: Option = (None, parse_opt_string, [TRACKED], "the codegen unit partitioning strategy to use"), chalk: bool = (false, parse_bool, [TRACKED], @@ -995,9 +996,9 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options, "verify incr. comp. hashes of green query instances (default: no)"), inline_mir: Option = (None, parse_opt_bool, [TRACKED], "enable MIR inlining (default: no)"), - inline_mir_threshold: Option = (None, parse_opt_uint, [TRACKED], + inline_mir_threshold: Option = (None, parse_opt_number, [TRACKED], "a default MIR inlining threshold (default: 50)"), - inline_mir_hint_threshold: Option = (None, parse_opt_uint, [TRACKED], + inline_mir_hint_threshold: Option = (None, parse_opt_number, [TRACKED], "inlining threshold for functions with inline hint (default: 100)"), inline_in_all_cgus: Option = (None, parse_opt_bool, [TRACKED], "control whether `#[inline]` functions are in all CGUs"), @@ -1033,7 +1034,7 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options, mir_emit_retag: bool = (false, parse_bool, [TRACKED], "emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0 \ (default: no)"), - mir_opt_level: Option = (None, parse_opt_uint, [TRACKED], + mir_opt_level: Option = (None, parse_opt_number, [TRACKED], "MIR optimization level (0-4; default: 1 in non optimized builds and 2 in optimized builds)"), mutable_noalias: Option = (None, parse_opt_bool, [TRACKED], "emit noalias metadata for mutable references (default: yes for LLVM >= 12, otherwise no)"), @@ -1154,7 +1155,7 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options, "which mangling version to use for symbol names ('legacy' (default) or 'v0')"), teach: bool = (false, parse_bool, [TRACKED], "show extended diagnostic help (default: no)"), - terminal_width: Option = (None, parse_opt_uint, [UNTRACKED], + terminal_width: Option = (None, parse_opt_number, [UNTRACKED], "set the current terminal width"), tune_cpu: Option = (None, parse_opt_string, [TRACKED], "select processor to schedule for (`rustc --print target-cpus` for details)"), diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs index 592773bfe1b4..65d5d96aba1d 100644 --- a/compiler/rustc_session/src/parse.rs +++ b/compiler/rustc_session/src/parse.rs @@ -140,6 +140,7 @@ pub struct ParseSess { } impl ParseSess { + /// Used for testing. pub fn new(file_path_mapping: FilePathMapping) -> Self { let sm = Lrc::new(SourceMap::new(file_path_mapping)); let handler = Handler::with_tty_emitter(ColorConfig::Auto, true, None, Some(sm.clone())); diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index ca9214c03a89..3488efacd112 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -1,7 +1,7 @@ use crate::cgu_reuse_tracker::CguReuseTracker; use crate::code_stats::CodeStats; pub use crate::code_stats::{DataTypeKind, FieldInfo, SizeKind, VariantInfo}; -use crate::config::{self, CrateType, OutputType, PrintRequest, SanitizerSet, SwitchWithOptPath}; +use crate::config::{self, CrateType, OutputType, PrintRequest, SwitchWithOptPath}; use crate::filesearch; use crate::lint::{self, LintId}; use crate::parse::ParseSess; @@ -20,7 +20,7 @@ use rustc_errors::annotate_snippet_emitter_writer::AnnotateSnippetEmitterWriter; use rustc_errors::emitter::{Emitter, EmitterWriter, HumanReadableErrorType}; use rustc_errors::json::JsonEmitter; use rustc_errors::registry::Registry; -use rustc_errors::{Applicability, Diagnostic, DiagnosticBuilder, DiagnosticId, ErrorReported}; +use rustc_errors::{Diagnostic, DiagnosticBuilder, DiagnosticId, ErrorReported}; use rustc_lint_defs::FutureBreakage; pub use rustc_span::crate_disambiguator::CrateDisambiguator; use rustc_span::edition::Edition; @@ -28,7 +28,7 @@ use rustc_span::source_map::{FileLoader, MultiSpan, RealFileLoader, SourceMap, S use rustc_span::{sym, SourceFileHashAlgorithm, Symbol}; use rustc_target::asm::InlineAsmArch; use rustc_target::spec::{CodeModel, PanicStrategy, RelocModel, RelroLevel}; -use rustc_target::spec::{SplitDebuginfo, Target, TargetTriple, TlsModel}; +use rustc_target::spec::{SanitizerSet, SplitDebuginfo, Target, TargetTriple, TlsModel}; use std::cell::{self, RefCell}; use std::env; @@ -241,8 +241,7 @@ pub struct PerfStats { enum DiagnosticBuilderMethod { Note, SpanNote, - SpanSuggestion(String), // suggestion - // Add more variants as needed to support one-time diagnostics. + // Add more variants as needed to support one-time diagnostics. } /// Trait implemented by error types. This should not be implemented manually. Instead, use @@ -551,15 +550,6 @@ impl Session { let span = span_maybe.expect("`span_note` needs a span"); diag_builder.span_note(span, message); } - DiagnosticBuilderMethod::SpanSuggestion(suggestion) => { - let span = span_maybe.expect("`span_suggestion_*` needs a span"); - diag_builder.span_suggestion( - span, - message, - suggestion, - Applicability::Unspecified, - ); - } } } } @@ -589,23 +579,6 @@ impl Session { self.diag_once(diag_builder, DiagnosticBuilderMethod::Note, msg_id, message, None); } - pub fn diag_span_suggestion_once<'a, 'b>( - &'a self, - diag_builder: &'b mut DiagnosticBuilder<'a>, - msg_id: DiagnosticMessageId, - span: Span, - message: &str, - suggestion: String, - ) { - self.diag_once( - diag_builder, - DiagnosticBuilderMethod::SpanSuggestion(suggestion), - msg_id, - message, - Some(span), - ); - } - #[inline] pub fn source_map(&self) -> &SourceMap { self.parse_sess.source_map() @@ -631,9 +604,6 @@ impl Session { pub fn verify_llvm_ir(&self) -> bool { self.opts.debugging_opts.verify_llvm_ir || option_env!("RUSTC_VERIFY_LLVM_IR").is_some() } - pub fn borrowck_stats(&self) -> bool { - self.opts.debugging_opts.borrowck_stats - } pub fn print_llvm_passes(&self) -> bool { self.opts.debugging_opts.print_llvm_passes } @@ -890,22 +860,6 @@ impl Session { ) } - pub fn set_incr_session_load_dep_graph(&self, load: bool) { - let mut incr_comp_session = self.incr_comp_session.borrow_mut(); - - if let IncrCompSession::Active { ref mut load_dep_graph, .. } = *incr_comp_session { - *load_dep_graph = load; - } - } - - pub fn incr_session_load_dep_graph(&self) -> bool { - let incr_comp_session = self.incr_comp_session.borrow(); - match *incr_comp_session { - IncrCompSession::Active { load_dep_graph, .. } => load_dep_graph, - _ => false, - } - } - pub fn init_incr_comp_session( &self, session_dir: PathBuf, @@ -1563,59 +1517,22 @@ fn validate_commandline_args_with_session_available(sess: &Session) { ); } - const ASAN_SUPPORTED_TARGETS: &[&str] = &[ - "aarch64-apple-darwin", - "aarch64-fuchsia", - "aarch64-unknown-linux-gnu", - "x86_64-apple-darwin", - "x86_64-fuchsia", - "x86_64-unknown-freebsd", - "x86_64-unknown-linux-gnu", - ]; - const LSAN_SUPPORTED_TARGETS: &[&str] = &[ - "aarch64-apple-darwin", - "aarch64-unknown-linux-gnu", - "x86_64-apple-darwin", - "x86_64-unknown-linux-gnu", - ]; - const MSAN_SUPPORTED_TARGETS: &[&str] = - &["aarch64-unknown-linux-gnu", "x86_64-unknown-freebsd", "x86_64-unknown-linux-gnu"]; - const TSAN_SUPPORTED_TARGETS: &[&str] = &[ - "aarch64-apple-darwin", - "aarch64-unknown-linux-gnu", - "x86_64-apple-darwin", - "x86_64-unknown-freebsd", - "x86_64-unknown-linux-gnu", - ]; - const HWASAN_SUPPORTED_TARGETS: &[&str] = - &["aarch64-linux-android", "aarch64-unknown-linux-gnu"]; - - // Sanitizers can only be used on some tested platforms. - for s in sess.opts.debugging_opts.sanitizer { - let supported_targets = match s { - SanitizerSet::ADDRESS => ASAN_SUPPORTED_TARGETS, - SanitizerSet::LEAK => LSAN_SUPPORTED_TARGETS, - SanitizerSet::MEMORY => MSAN_SUPPORTED_TARGETS, - SanitizerSet::THREAD => TSAN_SUPPORTED_TARGETS, - SanitizerSet::HWADDRESS => HWASAN_SUPPORTED_TARGETS, - _ => panic!("unrecognized sanitizer {}", s), - }; - if !supported_targets.contains(&&*sess.opts.target_triple.triple()) { - sess.err(&format!( - "`-Zsanitizer={}` only works with targets: {}", - s, - supported_targets.join(", ") - )); - } - let conflicting = sess.opts.debugging_opts.sanitizer - s; - if !conflicting.is_empty() { - sess.err(&format!( - "`-Zsanitizer={}` is incompatible with `-Zsanitizer={}`", - s, conflicting, - )); - // Don't report additional errors. - break; - } + // Sanitizers can only be used on platforms that we know have working sanitizer codegen. + let supported_sanitizers = sess.target.options.supported_sanitizers; + let unsupported_sanitizers = sess.opts.debugging_opts.sanitizer - supported_sanitizers; + match unsupported_sanitizers.into_iter().count() { + 0 => {} + 1 => sess + .err(&format!("{} sanitizer is not supported for this target", unsupported_sanitizers)), + _ => sess.err(&format!( + "{} sanitizers are not supported for this target", + unsupported_sanitizers + )), + } + // Cannot mix and match sanitizers. + let mut sanitizer_iter = sess.opts.debugging_opts.sanitizer.into_iter(); + if let (Some(first), Some(second)) = (sanitizer_iter.next(), sanitizer_iter.next()) { + sess.err(&format!("`-Zsanitizer={}` is incompatible with `-Zsanitizer={}`", first, second)); } } diff --git a/compiler/rustc_span/src/def_id.rs b/compiler/rustc_span/src/def_id.rs index 885f30ebb4e6..95bb0ad7ba2e 100644 --- a/compiler/rustc_span/src/def_id.rs +++ b/compiler/rustc_span/src/def_id.rs @@ -160,6 +160,8 @@ impl DefPathHash { } /// Returns the crate-local part of the [DefPathHash]. + /// + /// Used for tests. #[inline] pub fn local_hash(&self) -> u64 { self.0.as_value().1 diff --git a/compiler/rustc_span/src/hygiene.rs b/compiler/rustc_span/src/hygiene.rs index daecbe922503..6805d4f28907 100644 --- a/compiler/rustc_span/src/hygiene.rs +++ b/compiler/rustc_span/src/hygiene.rs @@ -1176,11 +1176,7 @@ pub fn decode_syntax_context< Ok(new_ctxt) } -pub fn num_syntax_ctxts() -> usize { - HygieneData::with(|data| data.syntax_context_data.len()) -} - -pub fn for_all_ctxts_in Result<(), E>>( +fn for_all_ctxts_in Result<(), E>>( ctxts: impl Iterator, mut f: F, ) -> Result<(), E> { @@ -1193,7 +1189,7 @@ pub fn for_all_ctxts_in Ok(()) } -pub fn for_all_expns_in Result<(), E>>( +fn for_all_expns_in Result<(), E>>( expns: impl Iterator, mut f: F, ) -> Result<(), E> { @@ -1206,16 +1202,6 @@ pub fn for_all_expns_in Result<(), E>>( Ok(()) } -pub fn for_all_data Result<(), E>>( - mut f: F, -) -> Result<(), E> { - let all_data = HygieneData::with(|data| data.syntax_context_data.clone()); - for (i, data) in all_data.into_iter().enumerate() { - f((i as u32, SyntaxContext(i as u32), &data))?; - } - Ok(()) -} - impl Encodable for ExpnId { default fn encode(&self, _: &mut E) -> Result<(), E::Error> { panic!("cannot encode `ExpnId` with `{}`", std::any::type_name::()); @@ -1228,14 +1214,6 @@ impl Decodable for ExpnId { } } -pub fn for_all_expn_data Result<(), E>>(mut f: F) -> Result<(), E> { - let all_data = HygieneData::with(|data| data.expn_data.clone()); - for (i, data) in all_data.into_iter().enumerate() { - f(i as u32, &data.unwrap_or_else(|| panic!("Missing ExpnData!")))?; - } - Ok(()) -} - pub fn raw_encode_syntax_context( ctxt: SyntaxContext, context: &HygieneEncodeContext, diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index d2790335b5ab..6f6ff37c525a 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -1037,10 +1037,6 @@ pub enum ExternalSourceKind { } impl ExternalSource { - pub fn is_absent(&self) -> bool { - !matches!(self, ExternalSource::Foreign { kind: ExternalSourceKind::Present(_), .. }) - } - pub fn get_source(&self) -> Option<&Lrc> { match self { ExternalSource::Foreign { kind: ExternalSourceKind::Present(ref src), .. } => Some(src), @@ -1433,9 +1429,6 @@ impl SourceFile { self.src.is_none() } - pub fn byte_length(&self) -> u32 { - self.end_pos.0 - self.start_pos.0 - } pub fn count_lines(&self) -> usize { self.lines.len() } diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 116519855d77..03fe5bcd2971 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -477,6 +477,7 @@ symbols! { doc_cfg, doc_keyword, doc_masked, + doc_notable_trait, doc_spotlight, doctest, document_private_items, @@ -560,6 +561,7 @@ symbols! { fmt, fmt_internals, fmul_fast, + fn_align, fn_must_use, fn_mut, fn_once, @@ -801,6 +803,7 @@ symbols! { noreturn, nostack, not, + notable_trait, note, object_safe_for_dispatch, of, diff --git a/compiler/rustc_symbol_mangling/src/legacy.rs b/compiler/rustc_symbol_mangling/src/legacy.rs index b0d5f3409024..7d186c330ba3 100644 --- a/compiler/rustc_symbol_mangling/src/legacy.rs +++ b/compiler/rustc_symbol_mangling/src/legacy.rs @@ -230,7 +230,7 @@ impl Printer<'tcx> for SymbolPrinter<'tcx> { fn print_dyn_existential( mut self, - predicates: &'tcx ty::List>>, + predicates: &'tcx ty::List>>, ) -> Result { let mut first = true; for p in predicates { diff --git a/compiler/rustc_symbol_mangling/src/lib.rs b/compiler/rustc_symbol_mangling/src/lib.rs index 3dd7ce93deb9..c050bbc9b9df 100644 --- a/compiler/rustc_symbol_mangling/src/lib.rs +++ b/compiler/rustc_symbol_mangling/src/lib.rs @@ -198,7 +198,7 @@ fn compute_symbol_name( // // [1]: https://bugs.llvm.org/show_bug.cgi?id=44316 if is_foreign - && (tcx.sess.target.arch != "wasm32" + && (!tcx.sess.target.is_like_wasm || !tcx.wasm_import_module_map(def_id.krate).contains_key(&def_id)) { if let Some(name) = attrs.link_name { diff --git a/compiler/rustc_symbol_mangling/src/v0.rs b/compiler/rustc_symbol_mangling/src/v0.rs index 12c0a147990f..37a834043f62 100644 --- a/compiler/rustc_symbol_mangling/src/v0.rs +++ b/compiler/rustc_symbol_mangling/src/v0.rs @@ -181,7 +181,7 @@ impl SymbolMangler<'tcx> { fn in_binder( mut self, - value: &ty::Binder, + value: &ty::Binder<'tcx, T>, print_value: impl FnOnce(Self, &T) -> Result, ) -> Result where @@ -318,7 +318,7 @@ impl Printer<'tcx> for SymbolMangler<'tcx> { // Late-bound lifetimes use indices starting at 1, // see `BinderLevel` for more details. - ty::ReLateBound(debruijn, ty::BoundRegion { kind: ty::BrAnon(i) }) => { + ty::ReLateBound(debruijn, ty::BoundRegion { kind: ty::BrAnon(i), .. }) => { let binder = &self.binders[self.binders.len() - 1 - debruijn.index()]; let depth = binder.lifetime_depths.start + i; @@ -483,7 +483,7 @@ impl Printer<'tcx> for SymbolMangler<'tcx> { fn print_dyn_existential( mut self, - predicates: &'tcx ty::List>>, + predicates: &'tcx ty::List>>, ) -> Result { for predicate in predicates { self = self.in_binder(&predicate, |mut cx, predicate| { diff --git a/compiler/rustc_target/src/abi/call/mod.rs b/compiler/rustc_target/src/abi/call/mod.rs index 2c3f7762759b..395235399ea8 100644 --- a/compiler/rustc_target/src/abi/call/mod.rs +++ b/compiler/rustc_target/src/abi/call/mod.rs @@ -20,6 +20,7 @@ mod sparc; mod sparc64; mod wasm32; mod wasm32_bindgen_compat; +mod wasm64; mod x86; mod x86_64; mod x86_win64; @@ -652,6 +653,7 @@ impl<'a, Ty> FnAbi<'a, Ty> { _ => wasm32_bindgen_compat::compute_abi_info(self), }, "asmjs" => wasm32::compute_abi_info(cx, self), + "wasm64" => wasm64::compute_abi_info(cx, self), a => return Err(format!("unrecognized arch \"{}\" in target specification", a)), } diff --git a/compiler/rustc_target/src/abi/call/wasm64.rs b/compiler/rustc_target/src/abi/call/wasm64.rs new file mode 100644 index 000000000000..46d670d16894 --- /dev/null +++ b/compiler/rustc_target/src/abi/call/wasm64.rs @@ -0,0 +1,58 @@ +use crate::abi::call::{ArgAbi, FnAbi, Uniform}; +use crate::abi::{HasDataLayout, LayoutOf, TyAndLayout, TyAndLayoutMethods}; + +fn unwrap_trivial_aggregate<'a, Ty, C>(cx: &C, val: &mut ArgAbi<'a, Ty>) -> bool +where + Ty: TyAndLayoutMethods<'a, C> + Copy, + C: LayoutOf> + HasDataLayout, +{ + if val.layout.is_aggregate() { + if let Some(unit) = val.layout.homogeneous_aggregate(cx).ok().and_then(|ha| ha.unit()) { + let size = val.layout.size; + if unit.size == size { + val.cast_to(Uniform { unit, total: size }); + return true; + } + } + } + false +} + +fn classify_ret<'a, Ty, C>(cx: &C, ret: &mut ArgAbi<'a, Ty>) +where + Ty: TyAndLayoutMethods<'a, C> + Copy, + C: LayoutOf> + HasDataLayout, +{ + ret.extend_integer_width_to(64); + if ret.layout.is_aggregate() && !unwrap_trivial_aggregate(cx, ret) { + ret.make_indirect(); + } +} + +fn classify_arg<'a, Ty, C>(cx: &C, arg: &mut ArgAbi<'a, Ty>) +where + Ty: TyAndLayoutMethods<'a, C> + Copy, + C: LayoutOf> + HasDataLayout, +{ + arg.extend_integer_width_to(64); + if arg.layout.is_aggregate() && !unwrap_trivial_aggregate(cx, arg) { + arg.make_indirect_byval(); + } +} + +pub fn compute_abi_info<'a, Ty, C>(cx: &C, fn_abi: &mut FnAbi<'a, Ty>) +where + Ty: TyAndLayoutMethods<'a, C> + Copy, + C: LayoutOf> + HasDataLayout, +{ + if !fn_abi.ret.is_ignore() { + classify_ret(cx, &mut fn_abi.ret); + } + + for arg in &mut fn_abi.args { + if arg.is_ignore() { + continue; + } + classify_arg(cx, arg); + } +} diff --git a/compiler/rustc_target/src/asm/arm.rs b/compiler/rustc_target/src/asm/arm.rs index 28000916e0c3..a7a708fe7dec 100644 --- a/compiler/rustc_target/src/asm/arm.rs +++ b/compiler/rustc_target/src/asm/arm.rs @@ -68,7 +68,6 @@ fn frame_pointer_r11( _arch: InlineAsmArch, has_feature: impl FnMut(&str) -> bool, target: &Target, - _allocating: bool, ) -> Result<(), &'static str> { if !frame_pointer_is_r7(has_feature, target) { Err("the frame pointer (r11) cannot be used as an operand for inline asm") @@ -81,7 +80,6 @@ fn frame_pointer_r7( _arch: InlineAsmArch, has_feature: impl FnMut(&str) -> bool, target: &Target, - _allocating: bool, ) -> Result<(), &'static str> { if frame_pointer_is_r7(has_feature, target) { Err("the frame pointer (r7) cannot be used as an operand for inline asm") diff --git a/compiler/rustc_target/src/asm/mod.rs b/compiler/rustc_target/src/asm/mod.rs index a09c87b3ec2b..e2268a61a425 100644 --- a/compiler/rustc_target/src/asm/mod.rs +++ b/compiler/rustc_target/src/asm/mod.rs @@ -90,7 +90,7 @@ macro_rules! def_regs { match name { $( $($alias)|* | $reg_name => { - $($filter(_arch, &mut _has_feature, _target, false)?;)? + $($filter(_arch, &mut _has_feature, _target)?;)? Ok(Self::$reg) } )* @@ -114,7 +114,7 @@ macro_rules! def_regs { #[allow(unused_imports)] use super::{InlineAsmReg, InlineAsmRegClass}; $( - if $($filter(_arch, &mut _has_feature, _target, true).is_ok() &&)? true { + if $($filter(_arch, &mut _has_feature, _target).is_ok() &&)? true { if let Some(set) = _map.get_mut(&InlineAsmRegClass::$arch($arch_regclass::$class)) { set.insert(InlineAsmReg::$arch($arch_reg::$reg)); } diff --git a/compiler/rustc_target/src/asm/riscv.rs b/compiler/rustc_target/src/asm/riscv.rs index ced7483b0057..185d6ac8246c 100644 --- a/compiler/rustc_target/src/asm/riscv.rs +++ b/compiler/rustc_target/src/asm/riscv.rs @@ -52,7 +52,6 @@ fn not_e( _arch: InlineAsmArch, mut has_feature: impl FnMut(&str) -> bool, _target: &Target, - _allocating: bool, ) -> Result<(), &'static str> { if has_feature("e") { Err("register can't be used with the `e` target feature") diff --git a/compiler/rustc_target/src/asm/x86.rs b/compiler/rustc_target/src/asm/x86.rs index 0f62c19e1a3c..90660dad4c2a 100644 --- a/compiler/rustc_target/src/asm/x86.rs +++ b/compiler/rustc_target/src/asm/x86.rs @@ -133,7 +133,6 @@ fn x86_64_only( arch: InlineAsmArch, _has_feature: impl FnMut(&str) -> bool, _target: &Target, - _allocating: bool, ) -> Result<(), &'static str> { match arch { InlineAsmArch::X86 => Err("register is only available on x86_64"), @@ -146,13 +145,9 @@ fn high_byte( arch: InlineAsmArch, _has_feature: impl FnMut(&str) -> bool, _target: &Target, - allocating: bool, ) -> Result<(), &'static str> { match arch { - InlineAsmArch::X86_64 if allocating => { - // The error message isn't actually used... - Err("high byte registers are not allocated by reg_byte") - } + InlineAsmArch::X86_64 => Err("high byte registers cannot be used as an operand on x86_64"), _ => Ok(()), } } diff --git a/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs b/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs index 7de809f76222..feadd4e891ce 100644 --- a/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs +++ b/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs @@ -1,11 +1,12 @@ -use crate::spec::{LinkerFlavor, Target, TargetOptions}; +use crate::spec::{LinkerFlavor, SanitizerSet, Target, TargetOptions}; pub fn target() -> Target { let mut base = super::apple_base::opts("macos"); base.cpu = "apple-a12".to_string(); base.max_atomic_width = Some(128); - base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-arch".to_string(), "arm64".to_string()]); + base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::LEAK | SanitizerSet::THREAD; + base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-arch".to_string(), "arm64".to_string()]); base.link_env_remove.extend(super::apple_base::macos_link_env_remove()); // Clang automatically chooses a more specific target based on diff --git a/compiler/rustc_target/src/spec/aarch64_fuchsia.rs b/compiler/rustc_target/src/spec/aarch64_fuchsia.rs index 1252741f9797..c9cb21f1eb1e 100644 --- a/compiler/rustc_target/src/spec/aarch64_fuchsia.rs +++ b/compiler/rustc_target/src/spec/aarch64_fuchsia.rs @@ -1,8 +1,9 @@ -use crate::spec::{Target, TargetOptions}; +use crate::spec::{SanitizerSet, Target, TargetOptions}; pub fn target() -> Target { let mut base = super::fuchsia_base::opts(); base.max_atomic_width = Some(128); + base.supported_sanitizers = SanitizerSet::ADDRESS; Target { llvm_target: "aarch64-fuchsia".to_string(), diff --git a/compiler/rustc_target/src/spec/aarch64_linux_android.rs b/compiler/rustc_target/src/spec/aarch64_linux_android.rs index fa6108df206b..eaf3a2dbcf8c 100644 --- a/compiler/rustc_target/src/spec/aarch64_linux_android.rs +++ b/compiler/rustc_target/src/spec/aarch64_linux_android.rs @@ -1,4 +1,4 @@ -use crate::spec::{Target, TargetOptions}; +use crate::spec::{SanitizerSet, Target, TargetOptions}; // See https://developer.android.com/ndk/guides/abis.html#arm64-v8a // for target ABI requirements. @@ -9,6 +9,7 @@ pub fn target() -> Target { // As documented in http://developer.android.com/ndk/guides/cpu-features.html // the neon (ASIMD) and FP must exist on all android aarch64 targets. base.features = "+neon,+fp-armv8".to_string(); + base.supported_sanitizers = SanitizerSet::HWADDRESS; Target { llvm_target: "aarch64-linux-android".to_string(), pointer_width: 64, diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/aarch64_unknown_linux_gnu.rs index 58c72af4e769..a07cd7db8897 100644 --- a/compiler/rustc_target/src/spec/aarch64_unknown_linux_gnu.rs +++ b/compiler/rustc_target/src/spec/aarch64_unknown_linux_gnu.rs @@ -1,8 +1,13 @@ -use crate::spec::{Target, TargetOptions}; +use crate::spec::{SanitizerSet, Target, TargetOptions}; pub fn target() -> Target { let mut base = super::linux_gnu_base::opts(); base.max_atomic_width = Some(128); + base.supported_sanitizers = SanitizerSet::ADDRESS + | SanitizerSet::LEAK + | SanitizerSet::MEMORY + | SanitizerSet::THREAD + | SanitizerSet::HWADDRESS; Target { llvm_target: "aarch64-unknown-linux-gnu".to_string(), diff --git a/compiler/rustc_target/src/spec/apple_base.rs b/compiler/rustc_target/src/spec/apple_base.rs index 23f1357af163..6fa0b3454509 100644 --- a/compiler/rustc_target/src/spec/apple_base.rs +++ b/compiler/rustc_target/src/spec/apple_base.rs @@ -1,6 +1,6 @@ use std::env; -use crate::spec::{LinkArgs, SplitDebuginfo, TargetOptions}; +use crate::spec::{SplitDebuginfo, TargetOptions}; pub fn opts(os: &str) -> TargetOptions { // ELF TLS is only available in macOS 10.7+. If you try to compile for 10.6 @@ -27,10 +27,8 @@ pub fn opts(os: &str) -> TargetOptions { is_like_osx: true, dwarf_version: Some(2), has_rpath: true, - dll_prefix: "lib".to_string(), dll_suffix: ".dylib".to_string(), archive_format: "darwin".to_string(), - pre_link_args: LinkArgs::new(), has_elf_tls: version >= (10, 7), abi_return_struct_as_int: true, emit_debug_gdb_scripts: false, diff --git a/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabi.rs b/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabi.rs index ae6b8286f085..f6fe88de37cf 100644 --- a/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabi.rs +++ b/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabi.rs @@ -13,7 +13,6 @@ pub fn target() -> Target { options: TargetOptions { features: "+v7,+thumb2,+soft-float,-neon".to_string(), - cpu: "generic".to_string(), max_atomic_width: Some(64), unsupported_abis: super::arm_base::unsupported_abis(), mcount: "\u{1}__gnu_mcount_nc".to_string(), diff --git a/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabihf.rs b/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabihf.rs index 48c16b620fd6..5f0f47dd3977 100644 --- a/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabihf.rs +++ b/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabihf.rs @@ -14,7 +14,6 @@ pub fn target() -> Target { options: TargetOptions { // Info about features at https://wiki.debian.org/ArmHardFloatPort features: "+v7,+vfp3,-d32,+thumb2,-neon".to_string(), - cpu: "generic".to_string(), max_atomic_width: Some(64), unsupported_abis: super::arm_base::unsupported_abis(), mcount: "\u{1}__gnu_mcount_nc".to_string(), diff --git a/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabi.rs b/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabi.rs index 9f9f1bd79b0c..c888fc2d4a38 100644 --- a/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabi.rs +++ b/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabi.rs @@ -18,7 +18,6 @@ pub fn target() -> Target { options: TargetOptions { features: "+v7,+thumb2,+soft-float,-neon".to_string(), - cpu: "generic".to_string(), max_atomic_width: Some(64), unsupported_abis: super::arm_base::unsupported_abis(), mcount: "\u{1}mcount".to_string(), diff --git a/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabihf.rs b/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabihf.rs index 59deee30ef26..2432ea519a8e 100644 --- a/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabihf.rs +++ b/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabihf.rs @@ -17,7 +17,6 @@ pub fn target() -> Target { // target. options: TargetOptions { features: "+v7,+vfp3,-d32,+thumb2,-neon".to_string(), - cpu: "generic".to_string(), max_atomic_width: Some(64), unsupported_abis: super::arm_base::unsupported_abis(), mcount: "\u{1}mcount".to_string(), diff --git a/compiler/rustc_target/src/spec/armv7_unknown_netbsd_eabihf.rs b/compiler/rustc_target/src/spec/armv7_unknown_netbsd_eabihf.rs index 660525704c1b..4fae3a8d0bf4 100644 --- a/compiler/rustc_target/src/spec/armv7_unknown_netbsd_eabihf.rs +++ b/compiler/rustc_target/src/spec/armv7_unknown_netbsd_eabihf.rs @@ -11,7 +11,6 @@ pub fn target() -> Target { options: TargetOptions { env: "eabihf".to_string(), features: "+v7,+vfp3,-d32,+thumb2,-neon".to_string(), - cpu: "generic".to_string(), max_atomic_width: Some(64), unsupported_abis: super::arm_base::unsupported_abis(), mcount: "__mcount".to_string(), diff --git a/compiler/rustc_target/src/spec/armv7_wrs_vxworks_eabihf.rs b/compiler/rustc_target/src/spec/armv7_wrs_vxworks_eabihf.rs index 6a43054067fe..9fe7098a85f0 100644 --- a/compiler/rustc_target/src/spec/armv7_wrs_vxworks_eabihf.rs +++ b/compiler/rustc_target/src/spec/armv7_wrs_vxworks_eabihf.rs @@ -10,7 +10,6 @@ pub fn target() -> Target { options: TargetOptions { // Info about features at https://wiki.debian.org/ArmHardFloatPort features: "+v7,+vfp3,-d32,+thumb2,-neon".to_string(), - cpu: "generic".to_string(), max_atomic_width: Some(64), unsupported_abis: super::arm_base::unsupported_abis(), ..base diff --git a/compiler/rustc_target/src/spec/avr_gnu_base.rs b/compiler/rustc_target/src/spec/avr_gnu_base.rs index df4389b8165a..69ccce875ab0 100644 --- a/compiler/rustc_target/src/spec/avr_gnu_base.rs +++ b/compiler/rustc_target/src/spec/avr_gnu_base.rs @@ -15,11 +15,8 @@ pub fn target(target_cpu: String) -> Target { exe_suffix: ".elf".to_string(), linker: Some("avr-gcc".to_owned()), - dynamic_linking: false, executables: true, linker_is_gnu: true, - has_rpath: false, - position_independent_executables: false, eh_frame_header: false, pre_link_args: vec![(LinkerFlavor::Gcc, vec![format!("-mmcu={}", target_cpu)])] .into_iter() diff --git a/compiler/rustc_target/src/spec/fuchsia_base.rs b/compiler/rustc_target/src/spec/fuchsia_base.rs index 5c39773cbe38..2b925f8b946c 100644 --- a/compiler/rustc_target/src/spec/fuchsia_base.rs +++ b/compiler/rustc_target/src/spec/fuchsia_base.rs @@ -23,13 +23,11 @@ pub fn opts() -> TargetOptions { os: "fuchsia".to_string(), linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld), linker: Some("rust-lld".to_owned()), - lld_flavor: LldFlavor::Ld, dynamic_linking: true, executables: true, os_family: Some("unix".to_string()), is_like_fuchsia: true, linker_is_gnu: true, - has_rpath: false, pre_link_args, pre_link_objects: crt_objects::new(&[ (LinkOutputKind::DynamicNoPicExe, &["Scrt1.o"]), diff --git a/compiler/rustc_target/src/spec/haiku_base.rs b/compiler/rustc_target/src/spec/haiku_base.rs index ec87645c4faa..956e4ed4bf9c 100644 --- a/compiler/rustc_target/src/spec/haiku_base.rs +++ b/compiler/rustc_target/src/spec/haiku_base.rs @@ -5,7 +5,6 @@ pub fn opts() -> TargetOptions { os: "haiku".to_string(), dynamic_linking: true, executables: true, - has_rpath: false, os_family: Some("unix".to_string()), relro_level: RelroLevel::Full, linker_is_gnu: true, diff --git a/compiler/rustc_target/src/spec/hermit_base.rs b/compiler/rustc_target/src/spec/hermit_base.rs index a75158a0ea0c..ad013047e6a1 100644 --- a/compiler/rustc_target/src/spec/hermit_base.rs +++ b/compiler/rustc_target/src/spec/hermit_base.rs @@ -1,5 +1,4 @@ -use crate::spec::{LinkArgs, LinkerFlavor, LldFlavor, PanicStrategy}; -use crate::spec::{RelocModel, TargetOptions, TlsModel}; +use crate::spec::{LinkArgs, LinkerFlavor, LldFlavor, PanicStrategy, TargetOptions, TlsModel}; pub fn opts() -> TargetOptions { let mut pre_link_args = LinkArgs::new(); @@ -19,8 +18,6 @@ pub fn opts() -> TargetOptions { panic_strategy: PanicStrategy::Abort, position_independent_executables: true, static_position_independent_executables: true, - relocation_model: RelocModel::Pic, - os_family: None, tls_model: TlsModel::InitialExec, ..Default::default() } diff --git a/compiler/rustc_target/src/spec/hermit_kernel_base.rs b/compiler/rustc_target/src/spec/hermit_kernel_base.rs index 622f0d9a4719..6d18a14d6aec 100644 --- a/compiler/rustc_target/src/spec/hermit_kernel_base.rs +++ b/compiler/rustc_target/src/spec/hermit_kernel_base.rs @@ -1,5 +1,4 @@ -use crate::spec::{LinkArgs, LinkerFlavor, LldFlavor, PanicStrategy}; -use crate::spec::{RelocModel, TargetOptions, TlsModel}; +use crate::spec::{LinkArgs, LinkerFlavor, LldFlavor, PanicStrategy, TargetOptions, TlsModel}; pub fn opts() -> TargetOptions { let mut pre_link_args = LinkArgs::new(); @@ -20,8 +19,6 @@ pub fn opts() -> TargetOptions { panic_strategy: PanicStrategy::Abort, position_independent_executables: true, static_position_independent_executables: true, - relocation_model: RelocModel::Pic, - os_family: None, tls_model: TlsModel::InitialExec, ..Default::default() } diff --git a/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs index 73d5e2057f95..e0097ee220a4 100644 --- a/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs +++ b/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs @@ -1,4 +1,4 @@ -use crate::spec::{LinkArgs, Target}; +use crate::spec::Target; pub fn target() -> Target { let mut base = super::linux_musl_base::opts(); @@ -8,15 +8,11 @@ pub fn target() -> Target { base.features = "-small-data,+hvx-length128b".to_string(); base.crt_static_default = false; - base.atomic_cas = true; base.has_rpath = true; base.linker_is_gnu = false; base.dynamic_linking = true; base.executables = true; - base.pre_link_args = LinkArgs::new(); - base.post_link_args = LinkArgs::new(); - Target { llvm_target: "hexagon-unknown-linux-musl".to_string(), pointer_width: 32, diff --git a/compiler/rustc_target/src/spec/l4re_base.rs b/compiler/rustc_target/src/spec/l4re_base.rs index 660fae5f5c7c..db6b74eff6db 100644 --- a/compiler/rustc_target/src/spec/l4re_base.rs +++ b/compiler/rustc_target/src/spec/l4re_base.rs @@ -1,4 +1,4 @@ -use crate::spec::{LinkArgs, LinkerFlavor, PanicStrategy, TargetOptions}; +use crate::spec::{LinkerFlavor, PanicStrategy, TargetOptions}; //use std::process::Command; // Use GCC to locate code for crt* libraries from the host, not from L4Re. Note @@ -13,18 +13,13 @@ use crate::spec::{LinkArgs, LinkerFlavor, PanicStrategy, TargetOptions}; //} pub fn opts() -> TargetOptions { - let mut args = LinkArgs::new(); - args.insert(LinkerFlavor::Gcc, vec![]); - TargetOptions { os: "l4re".to_string(), env: "uclibc".to_string(), linker_flavor: LinkerFlavor::Ld, executables: true, - has_elf_tls: false, panic_strategy: PanicStrategy::Abort, linker: Some("ld".to_string()), - pre_link_args: args, os_family: Some("unix".to_string()), ..Default::default() } diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index ddfd82625221..801cdd3ebe92 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -37,6 +37,7 @@ use crate::abi::Endian; use crate::spec::abi::{lookup as lookup_abi, Abi}; use crate::spec::crt_objects::{CrtObjects, CrtObjectsFallback}; +use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_serialize::json::{Json, ToJson}; use rustc_span::symbol::{sym, Symbol}; use std::collections::BTreeMap; @@ -78,7 +79,7 @@ mod solaris_base; mod thumb_base; mod uefi_msvc_base; mod vxworks_base; -mod wasm32_base; +mod wasm_base; mod windows_gnu_base; mod windows_msvc_base; mod windows_uwp_gnu_base; @@ -511,38 +512,6 @@ impl fmt::Display for SplitDebuginfo { } } -macro_rules! supported_targets { - ( $(($( $triple:literal, )+ $module:ident ),)+ ) => { - $(mod $module;)+ - - /// List of supported targets - pub const TARGETS: &[&str] = &[$($($triple),+),+]; - - fn load_builtin(target: &str) -> Option { - let mut t = match target { - $( $($triple)|+ => $module::target(), )+ - _ => return None, - }; - t.is_builtin = true; - debug!("got builtin target: {:?}", t); - Some(t) - } - - #[cfg(test)] - mod tests { - mod tests_impl; - - // Cannot put this into a separate file without duplication, make an exception. - $( - #[test] // `#[test]` - fn $module() { - tests_impl::test_target(super::$module::target()); - } - )+ - } - }; -} - #[derive(Clone, Debug, PartialEq, Eq)] pub enum StackProbeType { /// Don't emit any stack probes. @@ -620,6 +589,117 @@ impl ToJson for StackProbeType { } } +bitflags::bitflags! { + #[derive(Default, Encodable, Decodable)] + pub struct SanitizerSet: u8 { + const ADDRESS = 1 << 0; + const LEAK = 1 << 1; + const MEMORY = 1 << 2; + const THREAD = 1 << 3; + const HWADDRESS = 1 << 4; + } +} + +impl SanitizerSet { + /// Return sanitizer's name + /// + /// Returns none if the flags is a set of sanitizers numbering not exactly one. + fn as_str(self) -> Option<&'static str> { + Some(match self { + SanitizerSet::ADDRESS => "address", + SanitizerSet::LEAK => "leak", + SanitizerSet::MEMORY => "memory", + SanitizerSet::THREAD => "thread", + SanitizerSet::HWADDRESS => "hwaddress", + _ => return None, + }) + } +} + +/// Formats a sanitizer set as a comma separated list of sanitizers' names. +impl fmt::Display for SanitizerSet { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + let mut first = true; + for s in *self { + let name = s.as_str().unwrap_or_else(|| panic!("unrecognized sanitizer {:?}", s)); + if !first { + f.write_str(", ")?; + } + f.write_str(name)?; + first = false; + } + Ok(()) + } +} + +impl IntoIterator for SanitizerSet { + type Item = SanitizerSet; + type IntoIter = std::vec::IntoIter; + + fn into_iter(self) -> Self::IntoIter { + [ + SanitizerSet::ADDRESS, + SanitizerSet::LEAK, + SanitizerSet::MEMORY, + SanitizerSet::THREAD, + SanitizerSet::HWADDRESS, + ] + .iter() + .copied() + .filter(|&s| self.contains(s)) + .collect::>() + .into_iter() + } +} + +impl HashStable for SanitizerSet { + fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) { + self.bits().hash_stable(ctx, hasher); + } +} + +impl ToJson for SanitizerSet { + fn to_json(&self) -> Json { + self.into_iter() + .map(|v| Some(v.as_str()?.to_json())) + .collect::>>() + .unwrap_or(Vec::new()) + .to_json() + } +} + +macro_rules! supported_targets { + ( $(($( $triple:literal, )+ $module:ident ),)+ ) => { + $(mod $module;)+ + + /// List of supported targets + pub const TARGETS: &[&str] = &[$($($triple),+),+]; + + fn load_builtin(target: &str) -> Option { + let mut t = match target { + $( $($triple)|+ => $module::target(), )+ + _ => return None, + }; + t.is_builtin = true; + debug!("got builtin target: {:?}", t); + Some(t) + } + + #[cfg(test)] + mod tests { + mod tests_impl; + + // Cannot put this into a separate file without duplication, make an exception. + $( + #[test] // `#[test]` + fn $module() { + tests_impl::test_target(super::$module::target()); + } + )+ + } + }; +} + supported_targets! { ("x86_64-unknown-linux-gnu", x86_64_unknown_linux_gnu), ("x86_64-unknown-linux-gnux32", x86_64_unknown_linux_gnux32), @@ -762,6 +842,7 @@ supported_targets! { ("wasm32-unknown-emscripten", wasm32_unknown_emscripten), ("wasm32-unknown-unknown", wasm32_unknown_unknown), ("wasm32-wasi", wasm32_wasi), + ("wasm64-unknown-unknown", wasm64_unknown_unknown), ("thumbv6m-none-eabi", thumbv6m_none_eabi), ("thumbv7m-none-eabi", thumbv7m_none_eabi), @@ -996,6 +1077,8 @@ pub struct TargetOptions { pub is_like_emscripten: bool, /// Whether the target toolchain is like Fuchsia's. pub is_like_fuchsia: bool, + /// Whether a target toolchain is like WASM. + pub is_like_wasm: bool, /// Version of DWARF to use if not using the default. /// Useful because some platforms (osx, bsd) only want up to DWARF2. pub dwarf_version: Option, @@ -1164,6 +1247,13 @@ pub struct TargetOptions { /// How to handle split debug information, if at all. Specifying `None` has /// target-specific meaning. pub split_debuginfo: SplitDebuginfo, + + /// The sanitizers supported by this target + /// + /// Note that the support here is at a codegen level. If the machine code with sanitizer + /// enabled can generated on this target, but the necessary supporting libraries are not + /// distributed with the target, the sanitizer should still appear in this list for the target. + pub supported_sanitizers: SanitizerSet, } impl Default for TargetOptions { @@ -1208,6 +1298,7 @@ impl Default for TargetOptions { is_like_emscripten: false, is_like_msvc: false, is_like_fuchsia: false, + is_like_wasm: false, dwarf_version: None, linker_is_gnu: false, allows_weak_linkage: true, @@ -1265,6 +1356,7 @@ impl Default for TargetOptions { eh_frame_header: true, has_thumb_interworking: false, split_debuginfo: SplitDebuginfo::Off, + supported_sanitizers: SanitizerSet::empty(), } } } @@ -1551,6 +1643,24 @@ impl Target { )), }).unwrap_or(Ok(())) } ); + ($key_name:ident, SanitizerSet) => ( { + let name = (stringify!($key_name)).replace("_", "-"); + obj.find(&name[..]).and_then(|o| o.as_array()).and_then(|a| { + for s in a { + base.$key_name |= match s.as_string() { + Some("address") => SanitizerSet::ADDRESS, + Some("leak") => SanitizerSet::LEAK, + Some("memory") => SanitizerSet::MEMORY, + Some("thread") => SanitizerSet::THREAD, + Some("hwaddress") => SanitizerSet::HWADDRESS, + Some(s) => return Some(Err(format!("unknown sanitizer {}", s))), + _ => return Some(Err(format!("not a string: {:?}", s))), + }; + } + Some(Ok(())) + }).unwrap_or(Ok(())) + } ); + ($key_name:ident, crt_objects_fallback) => ( { let name = (stringify!($key_name)).replace("_", "-"); obj.find(&name[..]).and_then(|o| o.as_string().and_then(|s| { @@ -1683,6 +1793,7 @@ impl Target { key!(is_like_msvc, bool); key!(is_like_emscripten, bool); key!(is_like_fuchsia, bool); + key!(is_like_wasm, bool); key!(dwarf_version, Option); key!(linker_is_gnu, bool); key!(allows_weak_linkage, bool); @@ -1729,6 +1840,7 @@ impl Target { key!(eh_frame_header, bool); key!(has_thumb_interworking, bool); key!(split_debuginfo, SplitDebuginfo)?; + key!(supported_sanitizers, SanitizerSet)?; // NB: The old name is deprecated, but support for it is retained for // compatibility. @@ -1920,6 +2032,7 @@ impl ToJson for Target { target_option_val!(is_like_msvc); target_option_val!(is_like_emscripten); target_option_val!(is_like_fuchsia); + target_option_val!(is_like_wasm); target_option_val!(dwarf_version); target_option_val!(linker_is_gnu); target_option_val!(allows_weak_linkage); @@ -1966,6 +2079,7 @@ impl ToJson for Target { target_option_val!(eh_frame_header); target_option_val!(has_thumb_interworking); target_option_val!(split_debuginfo); + target_option_val!(supported_sanitizers); if default.unsupported_abis != self.unsupported_abis { d.insert( diff --git a/compiler/rustc_target/src/spec/riscv32i_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv32i_unknown_none_elf.rs index a31a08a8cf93..88a22f25ff47 100644 --- a/compiler/rustc_target/src/spec/riscv32i_unknown_none_elf.rs +++ b/compiler/rustc_target/src/spec/riscv32i_unknown_none_elf.rs @@ -14,7 +14,6 @@ pub fn target() -> Target { cpu: "generic-rv32".to_string(), max_atomic_width: Some(0), atomic_cas: false, - features: String::new(), executables: true, panic_strategy: PanicStrategy::Abort, relocation_model: RelocModel::Static, diff --git a/compiler/rustc_target/src/spec/riscv32imac_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv32imac_unknown_none_elf.rs index 2ee53fdc4016..b406eec1e750 100644 --- a/compiler/rustc_target/src/spec/riscv32imac_unknown_none_elf.rs +++ b/compiler/rustc_target/src/spec/riscv32imac_unknown_none_elf.rs @@ -13,7 +13,6 @@ pub fn target() -> Target { linker: Some("rust-lld".to_string()), cpu: "generic-rv32".to_string(), max_atomic_width: Some(32), - atomic_cas: true, features: "+m,+a,+c".to_string(), executables: true, panic_strategy: PanicStrategy::Abort, diff --git a/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs index aa823b13fddf..481bce05a08e 100644 --- a/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs +++ b/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs @@ -14,7 +14,6 @@ pub fn target() -> Target { llvm_abiname: "lp64d".to_string(), cpu: "generic-rv64".to_string(), max_atomic_width: Some(64), - atomic_cas: true, features: "+m,+a,+f,+d,+c".to_string(), executables: true, panic_strategy: PanicStrategy::Abort, diff --git a/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs index 908367ee2006..3e4afd446dda 100644 --- a/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs +++ b/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs @@ -13,7 +13,6 @@ pub fn target() -> Target { linker: Some("rust-lld".to_string()), cpu: "generic-rv64".to_string(), max_atomic_width: Some(64), - atomic_cas: true, features: "+m,+a,+c".to_string(), executables: true, panic_strategy: PanicStrategy::Abort, diff --git a/compiler/rustc_target/src/spec/tests/tests_impl.rs b/compiler/rustc_target/src/spec/tests/tests_impl.rs index 9ec8467e0ac4..f4de8bc0a580 100644 --- a/compiler/rustc_target/src/spec/tests/tests_impl.rs +++ b/compiler/rustc_target/src/spec/tests/tests_impl.rs @@ -50,6 +50,7 @@ impl Target { // and you certainly want "unknown" for the OS name. fn can_use_os_unknown(&self) -> bool { self.llvm_target == "wasm32-unknown-unknown" + || self.llvm_target == "wasm64-unknown-unknown" || (self.env == "sgx" && self.vendor == "fortanix") } } diff --git a/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs b/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs index d87c06d49cbc..ef58824f3810 100644 --- a/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs +++ b/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs @@ -45,9 +45,6 @@ pub fn target() -> Target { main_needs_argc_argv: false, - // No thread-local storage (just use a static Cell) - has_elf_tls: false, - // don't have atomic compare-and-swap atomic_cas: false, has_thumb_interworking: true, diff --git a/compiler/rustc_target/src/spec/thumbv7a_pc_windows_msvc.rs b/compiler/rustc_target/src/spec/thumbv7a_pc_windows_msvc.rs index 975fd81d9c3d..1232daa577f2 100644 --- a/compiler/rustc_target/src/spec/thumbv7a_pc_windows_msvc.rs +++ b/compiler/rustc_target/src/spec/thumbv7a_pc_windows_msvc.rs @@ -29,7 +29,6 @@ pub fn target() -> Target { options: TargetOptions { features: "+vfp3,+neon".to_string(), - cpu: "generic".to_string(), max_atomic_width: Some(64), unsupported_abis: super::arm_base::unsupported_abis(), ..base diff --git a/compiler/rustc_target/src/spec/thumbv7a_uwp_windows_msvc.rs b/compiler/rustc_target/src/spec/thumbv7a_uwp_windows_msvc.rs index a2c1b6bb90c9..e6a59f015c99 100644 --- a/compiler/rustc_target/src/spec/thumbv7a_uwp_windows_msvc.rs +++ b/compiler/rustc_target/src/spec/thumbv7a_uwp_windows_msvc.rs @@ -16,7 +16,6 @@ pub fn target() -> Target { arch: "arm".to_string(), options: TargetOptions { features: "+vfp3,+neon".to_string(), - cpu: "generic".to_string(), unsupported_abis: super::arm_base::unsupported_abis(), ..base }, diff --git a/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_gnueabihf.rs b/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_gnueabihf.rs index 352d24687430..12d816d095b6 100644 --- a/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_gnueabihf.rs +++ b/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_gnueabihf.rs @@ -17,7 +17,6 @@ pub fn target() -> Target { options: TargetOptions { // Info about features at https://wiki.debian.org/ArmHardFloatPort features: "+v7,+thumb-mode,+thumb2,+vfp3,+neon".to_string(), - cpu: "generic".to_string(), max_atomic_width: Some(64), unsupported_abis: super::arm_base::unsupported_abis(), ..base diff --git a/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_musleabihf.rs b/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_musleabihf.rs index a788167aede0..020de87147cb 100644 --- a/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_musleabihf.rs +++ b/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_musleabihf.rs @@ -21,7 +21,6 @@ pub fn target() -> Target { // target. options: TargetOptions { features: "+v7,+thumb-mode,+thumb2,+vfp3,+neon".to_string(), - cpu: "generic".to_string(), max_atomic_width: Some(64), unsupported_abis: super::arm_base::unsupported_abis(), mcount: "\u{1}mcount".to_string(), diff --git a/compiler/rustc_target/src/spec/vxworks_base.rs b/compiler/rustc_target/src/spec/vxworks_base.rs index 8396d0463d93..41c4d7625af2 100644 --- a/compiler/rustc_target/src/spec/vxworks_base.rs +++ b/compiler/rustc_target/src/spec/vxworks_base.rs @@ -12,7 +12,6 @@ pub fn opts() -> TargetOptions { os_family: Some("unix".to_string()), linker_is_gnu: true, has_rpath: true, - position_independent_executables: false, has_elf_tls: true, crt_static_default: true, crt_static_respected: true, diff --git a/compiler/rustc_target/src/spec/wasm32_unknown_emscripten.rs b/compiler/rustc_target/src/spec/wasm32_unknown_emscripten.rs index 58d7633fa62a..e028dbaa3252 100644 --- a/compiler/rustc_target/src/spec/wasm32_unknown_emscripten.rs +++ b/compiler/rustc_target/src/spec/wasm32_unknown_emscripten.rs @@ -1,8 +1,8 @@ -use super::wasm32_base; +use super::wasm_base; use super::{LinkArgs, LinkerFlavor, PanicStrategy, Target, TargetOptions}; pub fn target() -> Target { - let mut options = wasm32_base::options(); + let mut options = wasm_base::options(); let clang_args = options.pre_link_args.entry(LinkerFlavor::Gcc).or_default(); diff --git a/compiler/rustc_target/src/spec/wasm32_unknown_unknown.rs b/compiler/rustc_target/src/spec/wasm32_unknown_unknown.rs index 73a5e16c82b7..0a88ee426297 100644 --- a/compiler/rustc_target/src/spec/wasm32_unknown_unknown.rs +++ b/compiler/rustc_target/src/spec/wasm32_unknown_unknown.rs @@ -10,11 +10,11 @@ //! This target is more or less managed by the Rust and WebAssembly Working //! Group nowadays at . -use super::wasm32_base; +use super::wasm_base; use super::{LinkerFlavor, LldFlavor, Target}; pub fn target() -> Target { - let mut options = wasm32_base::options(); + let mut options = wasm_base::options(); options.os = "unknown".to_string(); options.linker_flavor = LinkerFlavor::Lld(LldFlavor::Wasm); let clang_args = options.pre_link_args.entry(LinkerFlavor::Gcc).or_default(); diff --git a/compiler/rustc_target/src/spec/wasm32_wasi.rs b/compiler/rustc_target/src/spec/wasm32_wasi.rs index 3f44acdc36b2..a6b12d2ee8f6 100644 --- a/compiler/rustc_target/src/spec/wasm32_wasi.rs +++ b/compiler/rustc_target/src/spec/wasm32_wasi.rs @@ -72,11 +72,11 @@ //! best we can with this target. Don't start relying on too much here unless //! you know what you're getting in to! -use super::wasm32_base; +use super::wasm_base; use super::{crt_objects, LinkerFlavor, LldFlavor, Target}; pub fn target() -> Target { - let mut options = wasm32_base::options(); + let mut options = wasm_base::options(); options.os = "wasi".to_string(); options.linker_flavor = LinkerFlavor::Lld(LldFlavor::Wasm); diff --git a/compiler/rustc_target/src/spec/wasm64_unknown_unknown.rs b/compiler/rustc_target/src/spec/wasm64_unknown_unknown.rs new file mode 100644 index 000000000000..8bfb229d77f6 --- /dev/null +++ b/compiler/rustc_target/src/spec/wasm64_unknown_unknown.rs @@ -0,0 +1,39 @@ +//! A "bare wasm" target representing a WebAssembly output that makes zero +//! assumptions about its environment. +//! +//! The `wasm64-unknown-unknown` target is intended to encapsulate use cases +//! that do not rely on any imported functionality. The binaries generated are +//! entirely self-contained by default when using the standard library. Although +//! the standard library is available, most of it returns an error immediately +//! (e.g. trying to create a TCP stream or something like that). + +use super::wasm_base; +use super::{LinkerFlavor, LldFlavor, Target}; + +pub fn target() -> Target { + let mut options = wasm_base::options(); + options.os = "unknown".to_string(); + options.linker_flavor = LinkerFlavor::Lld(LldFlavor::Wasm); + let clang_args = options.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap(); + + // Make sure clang uses LLD as its linker and is configured appropriately + // otherwise + clang_args.push("--target=wasm64-unknown-unknown".to_string()); + + // For now this target just never has an entry symbol no matter the output + // type, so unconditionally pass this. + clang_args.push("-Wl,--no-entry".to_string()); + options + .pre_link_args + .get_mut(&LinkerFlavor::Lld(LldFlavor::Wasm)) + .unwrap() + .push("--no-entry".to_string()); + + Target { + llvm_target: "wasm64-unknown-unknown".to_string(), + pointer_width: 64, + data_layout: "e-m:e-p:64:64-i64:64-n32:64-S128".to_string(), + arch: "wasm64".to_string(), + options, + } +} diff --git a/compiler/rustc_target/src/spec/wasm32_base.rs b/compiler/rustc_target/src/spec/wasm_base.rs similarity index 99% rename from compiler/rustc_target/src/spec/wasm32_base.rs rename to compiler/rustc_target/src/spec/wasm_base.rs index bfef3d37228f..b208eb92f8ff 100644 --- a/compiler/rustc_target/src/spec/wasm32_base.rs +++ b/compiler/rustc_target/src/spec/wasm_base.rs @@ -60,6 +60,8 @@ pub fn options() -> TargetOptions { pre_link_args.insert(LinkerFlavor::Gcc, clang_args); TargetOptions { + is_like_wasm: true, + // we allow dynamic linking, but only cdylibs. Basically we allow a // final library artifact that exports some symbols (a wasm module) but // we don't allow intermediate `dylib` crate types @@ -73,7 +75,6 @@ pub fn options() -> TargetOptions { exe_suffix: ".wasm".to_string(), dll_prefix: String::new(), dll_suffix: ".wasm".to_string(), - linker_is_gnu: false, eh_frame_header: false, max_atomic_width: Some(64), diff --git a/compiler/rustc_target/src/spec/windows_gnu_base.rs b/compiler/rustc_target/src/spec/windows_gnu_base.rs index 7036f338150c..478c567a93b2 100644 --- a/compiler/rustc_target/src/spec/windows_gnu_base.rs +++ b/compiler/rustc_target/src/spec/windows_gnu_base.rs @@ -71,8 +71,6 @@ pub fn opts() -> TargetOptions { dll_prefix: String::new(), dll_suffix: ".dll".to_string(), exe_suffix: ".exe".to_string(), - staticlib_prefix: "lib".to_string(), - staticlib_suffix: ".a".to_string(), os_family: Some("windows".to_string()), is_like_windows: true, allows_weak_linkage: false, diff --git a/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs b/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs index 8c40baccda84..c82359223da6 100644 --- a/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs +++ b/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs @@ -1,4 +1,4 @@ -use crate::spec::{LinkerFlavor, StackProbeType, Target, TargetOptions}; +use crate::spec::{LinkerFlavor, SanitizerSet, StackProbeType, Target, TargetOptions}; pub fn target() -> Target { let mut base = super::apple_base::opts("macos"); @@ -11,6 +11,7 @@ pub fn target() -> Target { ); base.link_env_remove.extend(super::apple_base::macos_link_env_remove()); base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) }; + base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::LEAK | SanitizerSet::THREAD; // Clang automatically chooses a more specific target based on // MACOSX_DEPLOYMENT_TARGET. To enable cross-language LTO to work diff --git a/compiler/rustc_target/src/spec/x86_64_fortanix_unknown_sgx.rs b/compiler/rustc_target/src/spec/x86_64_fortanix_unknown_sgx.rs index 6365e5650e47..90705c526f4b 100644 --- a/compiler/rustc_target/src/spec/x86_64_fortanix_unknown_sgx.rs +++ b/compiler/rustc_target/src/spec/x86_64_fortanix_unknown_sgx.rs @@ -1,6 +1,6 @@ use std::iter; -use super::{LinkerFlavor, LldFlavor, PanicStrategy, Target, TargetOptions}; +use super::{LinkerFlavor, LldFlavor, Target, TargetOptions}; pub fn target() -> Target { const PRE_LINK_ARGS: &[&str] = &[ @@ -56,12 +56,10 @@ pub fn target() -> Target { env: "sgx".into(), vendor: "fortanix".into(), linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld), - dynamic_linking: false, executables: true, linker_is_gnu: true, linker: Some("rust-lld".to_owned()), max_atomic_width: Some(64), - panic_strategy: PanicStrategy::Unwind, cpu: "x86-64".into(), features: "+rdrnd,+rdseed,+lvi-cfi,+lvi-load-hardening".into(), llvm_args: vec!["--x86-experimental-lvi-inline-asm-hardening".into()], diff --git a/compiler/rustc_target/src/spec/x86_64_fuchsia.rs b/compiler/rustc_target/src/spec/x86_64_fuchsia.rs index a39e7f8c3410..99acc7c207bc 100644 --- a/compiler/rustc_target/src/spec/x86_64_fuchsia.rs +++ b/compiler/rustc_target/src/spec/x86_64_fuchsia.rs @@ -1,10 +1,11 @@ -use crate::spec::{StackProbeType, Target}; +use crate::spec::{SanitizerSet, StackProbeType, Target}; pub fn target() -> Target { let mut base = super::fuchsia_base::opts(); base.cpu = "x86-64".to_string(); base.max_atomic_width = Some(64); base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) }; + base.supported_sanitizers = SanitizerSet::ADDRESS; Target { llvm_target: "x86_64-fuchsia".to_string(), diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_freebsd.rs b/compiler/rustc_target/src/spec/x86_64_unknown_freebsd.rs index aac01445917b..ca3556fc48e5 100644 --- a/compiler/rustc_target/src/spec/x86_64_unknown_freebsd.rs +++ b/compiler/rustc_target/src/spec/x86_64_unknown_freebsd.rs @@ -1,4 +1,4 @@ -use crate::spec::{LinkerFlavor, StackProbeType, Target}; +use crate::spec::{LinkerFlavor, SanitizerSet, StackProbeType, Target}; pub fn target() -> Target { let mut base = super::freebsd_base::opts(); @@ -6,6 +6,7 @@ pub fn target() -> Target { base.max_atomic_width = Some(64); base.pre_link_args.entry(LinkerFlavor::Gcc).or_default().push("-m64".to_string()); base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) }; + base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::MEMORY | SanitizerSet::THREAD; Target { llvm_target: "x86_64-unknown-freebsd".to_string(), diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs index dfda49b9c336..9569e98ed59a 100644 --- a/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs +++ b/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs @@ -1,4 +1,4 @@ -use crate::spec::{LinkerFlavor, StackProbeType, Target}; +use crate::spec::{LinkerFlavor, SanitizerSet, StackProbeType, Target}; pub fn target() -> Target { let mut base = super::linux_gnu_base::opts(); @@ -6,6 +6,8 @@ pub fn target() -> Target { base.max_atomic_width = Some(64); base.pre_link_args.entry(LinkerFlavor::Gcc).or_default().push("-m64".to_string()); base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) }; + base.supported_sanitizers = + SanitizerSet::ADDRESS | SanitizerSet::LEAK | SanitizerSet::MEMORY | SanitizerSet::THREAD; Target { llvm_target: "x86_64-unknown-linux-gnu".to_string(), diff --git a/compiler/rustc_trait_selection/src/opaque_types.rs b/compiler/rustc_trait_selection/src/opaque_types.rs index d6a585e626c4..fb4a8ce687c4 100644 --- a/compiler/rustc_trait_selection/src/opaque_types.rs +++ b/compiler/rustc_trait_selection/src/opaque_types.rs @@ -697,7 +697,7 @@ where { fn visit_binder>( &mut self, - t: &ty::Binder, + t: &ty::Binder<'tcx, T>, ) -> ControlFlow { t.as_ref().skip_binder().visit_with(self); ControlFlow::CONTINUE @@ -1171,7 +1171,7 @@ impl<'a, 'tcx> Instantiator<'a, 'tcx> { // This also instantiates nested instances of `impl Trait`. let predicate = self.instantiate_opaque_types_in_map(predicate); - let cause = traits::ObligationCause::new(span, self.body_id, traits::MiscObligation); + let cause = traits::ObligationCause::new(span, self.body_id, traits::OpaqueType); // Require that the predicate holds for the concrete type. debug!("instantiate_opaque_types: predicate={:?}", predicate); diff --git a/compiler/rustc_trait_selection/src/traits/auto_trait.rs b/compiler/rustc_trait_selection/src/traits/auto_trait.rs index b38e3fbaab40..f54eb0914a5a 100644 --- a/compiler/rustc_trait_selection/src/traits/auto_trait.rs +++ b/compiler/rustc_trait_selection/src/traits/auto_trait.rs @@ -84,7 +84,7 @@ impl<'tcx> AutoTraitFinder<'tcx> { let trait_ref = ty::TraitRef { def_id: trait_did, substs: tcx.mk_substs_trait(ty, &[]) }; - let trait_pred = ty::Binder::bind(trait_ref); + let trait_pred = ty::Binder::dummy(trait_ref); let bail_out = tcx.infer_ctxt().enter(|infcx| { let mut selcx = SelectionContext::with_negative(&infcx, true); @@ -280,7 +280,7 @@ impl AutoTraitFinder<'tcx> { let mut already_visited = FxHashSet::default(); let mut predicates = VecDeque::new(); - predicates.push_back(ty::Binder::bind(ty::TraitPredicate { + predicates.push_back(ty::Binder::dummy(ty::TraitPredicate { trait_ref: ty::TraitRef { def_id: trait_did, substs: infcx.tcx.mk_substs_trait(ty, &[]), diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index 38cb4ee66cac..9bb4af16a8f5 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -586,6 +586,11 @@ fn ty_is_local_constructor(ty: Ty<'_>, in_crate: InCrate) -> bool { false } + ty::Closure(..) => { + // Similar to the `Opaque` case (#83613). + false + } + ty::Dynamic(ref tt, ..) => { if let Some(principal) = tt.principal() { def_id_is_local(principal.def_id(), in_crate) @@ -596,7 +601,7 @@ fn ty_is_local_constructor(ty: Ty<'_>, in_crate: InCrate) -> bool { ty::Error(_) => true, - ty::Closure(..) | ty::Generator(..) | ty::GeneratorWitness(..) => { + ty::Generator(..) | ty::GeneratorWitness(..) => { bug!("ty_is_local invoked on unexpected type: {:?}", ty) } } diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs index 93a37bd40902..15a3d3ddd8d8 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs @@ -1226,10 +1226,11 @@ impl<'a, 'tcx> InferCtxtPrivExt<'tcx> for InferCtxt<'a, 'tcx> { ); let is_normalized_ty_expected = !matches!( - obligation.cause.code, + obligation.cause.code.peel_derives(), ObligationCauseCode::ItemObligation(_) | ObligationCauseCode::BindingObligation(_, _) | ObligationCauseCode::ObjectCastObligation(_) + | ObligationCauseCode::OpaqueType ); if let Err(error) = self.at(&obligation.cause, obligation.param_env).eq_exp( diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index c1b105f1d848..6a4d41ffc1ac 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -28,6 +28,7 @@ use std::fmt; use super::InferCtxtPrivExt; use crate::traits::query::evaluate_obligation::InferCtxtExt as _; +use rustc_middle::ty::print::with_no_trimmed_paths; #[derive(Debug)] pub enum GeneratorInteriorOrUpvar { @@ -65,7 +66,7 @@ pub trait InferCtxtExt<'tcx> { &self, obligation: &PredicateObligation<'tcx>, err: &mut DiagnosticBuilder<'_>, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, points_at_arg: bool, ); @@ -73,7 +74,7 @@ pub trait InferCtxtExt<'tcx> { &self, obligation: &PredicateObligation<'tcx>, err: &mut DiagnosticBuilder<'_>, - trait_ref: &ty::Binder>, + trait_ref: &ty::Binder<'tcx, ty::TraitRef<'tcx>>, points_at_arg: bool, has_custom_message: bool, ) -> bool; @@ -82,14 +83,14 @@ pub trait InferCtxtExt<'tcx> { &self, obligation: &PredicateObligation<'tcx>, err: &mut DiagnosticBuilder<'_>, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, ); fn suggest_change_mut( &self, obligation: &PredicateObligation<'tcx>, err: &mut DiagnosticBuilder<'_>, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, points_at_arg: bool, ); @@ -98,7 +99,7 @@ pub trait InferCtxtExt<'tcx> { obligation: &PredicateObligation<'tcx>, err: &mut DiagnosticBuilder<'_>, span: Span, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, ); fn return_type_span(&self, obligation: &PredicateObligation<'tcx>) -> Option; @@ -108,7 +109,7 @@ pub trait InferCtxtExt<'tcx> { err: &mut DiagnosticBuilder<'_>, span: Span, obligation: &PredicateObligation<'tcx>, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, ) -> bool; fn point_at_returns_when_relevant( @@ -170,7 +171,7 @@ pub trait InferCtxtExt<'tcx> { &self, err: &mut DiagnosticBuilder<'_>, obligation: &PredicateObligation<'tcx>, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, span: Span, ); } @@ -440,7 +441,8 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { { // Missing generic type parameter bound. let param_name = self_ty.to_string(); - let constraint = trait_ref.print_only_trait_path().to_string(); + let constraint = + with_no_trimmed_paths(|| trait_ref.print_only_trait_path().to_string()); if suggest_constraining_type_param( self.tcx, generics, @@ -583,7 +585,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { &self, obligation: &PredicateObligation<'tcx>, err: &mut DiagnosticBuilder<'_>, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, points_at_arg: bool, ) { let self_ty = match trait_ref.self_ty().no_bound_vars() { @@ -676,7 +678,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { &self, obligation: &PredicateObligation<'tcx>, err: &mut DiagnosticBuilder<'_>, - trait_ref: &ty::Binder>, + trait_ref: &ty::Binder<'tcx, ty::TraitRef<'tcx>>, points_at_arg: bool, has_custom_message: bool, ) -> bool { @@ -761,7 +763,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { &self, obligation: &PredicateObligation<'tcx>, err: &mut DiagnosticBuilder<'_>, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, ) { let span = obligation.cause.span; @@ -824,7 +826,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { &self, obligation: &PredicateObligation<'tcx>, err: &mut DiagnosticBuilder<'_>, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, points_at_arg: bool, ) { let span = obligation.cause.span; @@ -896,10 +898,10 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { obligation: &PredicateObligation<'tcx>, err: &mut DiagnosticBuilder<'_>, span: Span, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, ) { let is_empty_tuple = - |ty: ty::Binder>| *ty.skip_binder().kind() == ty::Tuple(ty::List::empty()); + |ty: ty::Binder<'tcx, Ty<'_>>| *ty.skip_binder().kind() == ty::Tuple(ty::List::empty()); let hir = self.tcx.hir(); let parent_node = hir.get_parent_node(obligation.cause.body_id); @@ -948,7 +950,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { err: &mut DiagnosticBuilder<'_>, span: Span, obligation: &PredicateObligation<'tcx>, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, ) -> bool { match obligation.cause.code.peel_derives() { // Only suggest `impl Trait` if the return type is unsized because it is `dyn Trait`. @@ -1840,6 +1842,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { | ObligationCauseCode::MethodReceiver | ObligationCauseCode::ReturnNoExpression | ObligationCauseCode::UnifyReceiver(..) + | ObligationCauseCode::OpaqueType | ObligationCauseCode::MiscObligation => {} ObligationCauseCode::SliceOrArrayElem => { err.note("slice and array elements must have `Sized` type"); @@ -2067,7 +2070,14 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { // Don't print the tuple of capture types if !is_upvar_tys_infer_tuple { - err.note(&format!("required because it appears within the type `{}`", ty)); + let msg = format!("required because it appears within the type `{}`", ty); + match ty.kind() { + ty::Adt(def, _) => match self.tcx.opt_item_name(def.did) { + Some(ident) => err.span_note(ident.span, &msg), + None => err.note(&msg), + }, + _ => err.note(&msg), + }; } obligated_types.push(ty); @@ -2089,11 +2099,36 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { ObligationCauseCode::ImplDerivedObligation(ref data) => { let mut parent_trait_ref = self.resolve_vars_if_possible(data.parent_trait_ref); let parent_def_id = parent_trait_ref.def_id(); - err.note(&format!( + let msg = format!( "required because of the requirements on the impl of `{}` for `{}`", parent_trait_ref.print_only_trait_path(), parent_trait_ref.skip_binder().self_ty() - )); + ); + let mut candidates = vec![]; + self.tcx.for_each_relevant_impl( + parent_def_id, + parent_trait_ref.self_ty().skip_binder(), + |impl_def_id| { + candidates.push(impl_def_id); + }, + ); + match &candidates[..] { + [def_id] => match self.tcx.hir().get_if_local(*def_id) { + Some(Node::Item(hir::Item { + kind: hir::ItemKind::Impl(hir::Impl { of_trait, self_ty, .. }), + .. + })) => { + let mut spans = Vec::with_capacity(2); + if let Some(trait_ref) = of_trait { + spans.push(trait_ref.path.span); + } + spans.push(self_ty.span); + err.span_note(spans, &msg) + } + _ => err.note(&msg), + }, + _ => err.note(&msg), + }; let mut parent_predicate = parent_trait_ref.without_const().to_predicate(tcx); let mut data = data; @@ -2144,19 +2179,60 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { ) }); } - ObligationCauseCode::CompareImplMethodObligation { .. } => { - err.note(&format!( - "the requirement `{}` appears on the impl method but not on the corresponding \ - trait method", - predicate - )); + ObligationCauseCode::CompareImplMethodObligation { + item_name, + trait_item_def_id, + .. + } => { + let msg = format!( + "the requirement `{}` appears on the impl method `{}` but not on the \ + corresponding trait method", + predicate, item_name, + ); + let sp = self + .tcx + .opt_item_name(trait_item_def_id) + .map(|i| i.span) + .unwrap_or_else(|| self.tcx.def_span(trait_item_def_id)); + let mut assoc_span: MultiSpan = sp.into(); + assoc_span.push_span_label( + sp, + format!("this trait method doesn't have the requirement `{}`", predicate), + ); + if let Some(ident) = self + .tcx + .opt_associated_item(trait_item_def_id) + .and_then(|i| self.tcx.opt_item_name(i.container.id())) + { + assoc_span.push_span_label(ident.span, "in this trait".into()); + } + err.span_note(assoc_span, &msg); } - ObligationCauseCode::CompareImplTypeObligation { .. } => { - err.note(&format!( - "the requirement `{}` appears on the associated impl type but not on the \ + ObligationCauseCode::CompareImplTypeObligation { + item_name, trait_item_def_id, .. + } => { + let msg = format!( + "the requirement `{}` appears on the associated impl type `{}` but not on the \ corresponding associated trait type", - predicate - )); + predicate, item_name, + ); + let sp = self.tcx.def_span(trait_item_def_id); + let mut assoc_span: MultiSpan = sp.into(); + assoc_span.push_span_label( + sp, + format!( + "this trait associated type doesn't have the requirement `{}`", + predicate, + ), + ); + if let Some(ident) = self + .tcx + .opt_associated_item(trait_item_def_id) + .and_then(|i| self.tcx.opt_item_name(i.container.id())) + { + assoc_span.push_span_label(ident.span, "in this trait".into()); + } + err.span_note(assoc_span, &msg); } ObligationCauseCode::CompareImplConstObligation => { err.note(&format!( @@ -2190,7 +2266,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { &self, err: &mut DiagnosticBuilder<'_>, obligation: &PredicateObligation<'tcx>, - trait_ref: ty::Binder>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, span: Span, ) { debug!( diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 79f65669479c..fc9739f70d40 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -684,7 +684,7 @@ impl<'a, 'b, 'tcx> FulfillProcessor<'a, 'b, 'tcx> { /// Returns the set of inference variables contained in `substs`. fn substs_infer_vars<'a, 'tcx>( selcx: &mut SelectionContext<'a, 'tcx>, - substs: ty::Binder>, + substs: ty::Binder<'tcx, SubstsRef<'tcx>>, ) -> impl Iterator> { selcx .infcx() diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs index 7de20e477fe0..b5a458db6075 100644 --- a/compiler/rustc_trait_selection/src/traits/object_safety.rs +++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs @@ -757,7 +757,7 @@ fn contains_illegal_self_type_reference<'tcx, T: TypeFoldable<'tcx>>( struct IllegalSelfTypeVisitor<'tcx> { tcx: TyCtxt<'tcx>, trait_def_id: DefId, - supertraits: Option>>, + supertraits: Option>, } impl<'tcx> TypeVisitor<'tcx> for IllegalSelfTypeVisitor<'tcx> { @@ -778,8 +778,10 @@ fn contains_illegal_self_type_reference<'tcx, T: TypeFoldable<'tcx>>( // Compute supertraits of current trait lazily. if self.supertraits.is_none() { let trait_ref = - ty::Binder::bind(ty::TraitRef::identity(self.tcx, self.trait_def_id)); - self.supertraits = Some(traits::supertraits(self.tcx, trait_ref).collect()); + ty::Binder::dummy(ty::TraitRef::identity(self.tcx, self.trait_def_id)); + self.supertraits = Some( + traits::supertraits(self.tcx, trait_ref).map(|t| t.def_id()).collect(), + ); } // Determine whether the trait reference `Foo as @@ -790,9 +792,11 @@ fn contains_illegal_self_type_reference<'tcx, T: TypeFoldable<'tcx>>( // direct equality here because all of these types // are part of the formal parameter listing, and // hence there should be no inference variables. - let projection_trait_ref = ty::Binder::bind(data.trait_ref(self.tcx)); - let is_supertrait_of_current_trait = - self.supertraits.as_ref().unwrap().contains(&projection_trait_ref); + let is_supertrait_of_current_trait = self + .supertraits + .as_ref() + .unwrap() + .contains(&data.trait_ref(self.tcx).def_id); if is_supertrait_of_current_trait { ControlFlow::CONTINUE // do not walk contained types, do not report error, do collect $200 diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 0af6d6459159..b3e5df4da0a9 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -1275,6 +1275,9 @@ fn confirm_discriminant_kind_candidate<'cx, 'tcx>( let tcx = selcx.tcx(); let self_ty = selcx.infcx().shallow_resolve(obligation.predicate.self_ty()); + // We get here from `poly_project_and_unify_type` which replaces bound vars + // with placeholders + debug_assert!(!self_ty.has_escaping_bound_vars()); let substs = tcx.mk_substs([self_ty.into()].iter()); let discriminant_def_id = tcx.require_lang_item(LangItem::Discriminant, None); @@ -1306,7 +1309,7 @@ fn confirm_pointee_candidate<'cx, 'tcx>( ty: self_ty.ptr_metadata_ty(tcx), }; - confirm_param_env_candidate(selcx, obligation, ty::Binder::bind(predicate), false) + confirm_param_env_candidate(selcx, obligation, ty::Binder::bind(predicate, tcx), false) } fn confirm_fn_pointer_candidate<'cx, 'tcx>( diff --git a/compiler/rustc_trait_selection/src/traits/query/normalize.rs b/compiler/rustc_trait_selection/src/traits/query/normalize.rs index c908e1418c16..eb7ea8715c29 100644 --- a/compiler/rustc_trait_selection/src/traits/query/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/query/normalize.rs @@ -10,6 +10,7 @@ use crate::traits::{Obligation, ObligationCause, PredicateObligation, Reveal}; use rustc_data_structures::sso::SsoHashMap; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_infer::traits::Normalized; +use rustc_middle::mir; use rustc_middle::ty::fold::{TypeFoldable, TypeFolder}; use rustc_middle::ty::subst::Subst; use rustc_middle::ty::{self, Ty, TyCtxt}; @@ -214,4 +215,8 @@ impl<'cx, 'tcx> TypeFolder<'tcx> for QueryNormalizer<'cx, 'tcx> { let constant = constant.super_fold_with(self); constant.eval(self.infcx.tcx, self.param_env) } + + fn fold_mir_const(&mut self, constant: mir::ConstantKind<'tcx>) -> mir::ConstantKind<'tcx> { + constant.super_fold_with(self) + } } diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs index cf7f0a553c70..b351af44e942 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs @@ -8,12 +8,6 @@ pub struct ImpliedOutlivesBounds<'tcx> { pub ty: Ty<'tcx>, } -impl<'tcx> ImpliedOutlivesBounds<'tcx> { - pub fn new(ty: Ty<'tcx>) -> Self { - ImpliedOutlivesBounds { ty } - } -} - impl<'tcx> super::QueryTypeOp<'tcx> for ImpliedOutlivesBounds<'tcx> { type QueryResponse = Vec>; diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index 272930f6bb9c..31685a012ca2 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -272,7 +272,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { &mut self, obligation: &TraitObligation<'tcx>, trait_def_id: DefId, - nested: ty::Binder>>, + nested: ty::Binder<'tcx, Vec>>, ) -> ImplSourceAutoImplData> { debug!(?nested, "vtable_auto_impl"); ensure_sufficient_stack(|| { @@ -748,7 +748,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { cause, obligation.recursion_depth + 1, obligation.param_env, - ty::Binder::bind(outlives).to_predicate(tcx), + obligation.predicate.rebind(outlives).to_predicate(tcx), )); } diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 45680c90cdc1..f441246909b4 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -204,7 +204,7 @@ struct EvaluatedCandidate<'tcx> { /// When does the builtin impl for `T: Trait` apply? enum BuiltinImplConditions<'tcx> { /// The impl is conditional on `T1, T2, ...: Trait`. - Where(ty::Binder>>), + Where(ty::Binder<'tcx, Vec>>), /// There is no built-in impl. There may be some other /// candidate (a where-clause or user-defined impl). None, @@ -981,7 +981,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { OP: FnOnce(&mut Self) -> R, { let (result, dep_node) = - self.tcx().dep_graph.with_anon_task(DepKind::TraitSelect, || op(self)); + self.tcx().dep_graph.with_anon_task(self.tcx(), DepKind::TraitSelect, || op(self)); self.tcx().dep_graph.read_index(dep_node); (result, dep_node) } @@ -1673,7 +1673,10 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { /// Bar where struct Bar { x: T, y: u32 } -> [i32, u32] /// Zed where enum Zed { A(T), B(u32) } -> [i32, u32] /// ``` - fn constituent_types_for_ty(&self, t: ty::Binder>) -> ty::Binder>> { + fn constituent_types_for_ty( + &self, + t: ty::Binder<'tcx, Ty<'tcx>>, + ) -> ty::Binder<'tcx, Vec>> { match *t.skip_binder().kind() { ty::Uint(_) | ty::Int(_) @@ -1746,7 +1749,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { cause: ObligationCause<'tcx>, recursion_depth: usize, trait_def_id: DefId, - types: ty::Binder>>, + types: ty::Binder<'tcx, Vec>>, ) -> Vec> { // Because the types were potentially derived from // higher-ranked obligations they may reference late-bound @@ -1767,7 +1770,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { .skip_binder() // binder moved -\ .iter() .flat_map(|ty| { - let ty: ty::Binder> = types.rebind(ty); // <----/ + let ty: ty::Binder<'tcx, Ty<'tcx>> = types.rebind(ty); // <----/ self.infcx.commit_unconditionally(|_| { let placeholder_ty = self.infcx.replace_bound_vars_with_placeholders(ty); diff --git a/compiler/rustc_trait_selection/src/traits/specialize/mod.rs b/compiler/rustc_trait_selection/src/traits/specialize/mod.rs index 264cc4f248ce..4b563a87a158 100644 --- a/compiler/rustc_trait_selection/src/traits/specialize/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/specialize/mod.rs @@ -395,14 +395,14 @@ fn report_conflicting_impls( // that's passed in. let decorate = |err: LintDiagnosticBuilder<'_>| { let msg = format!( - "conflicting implementations of trait `{}`{}:{}", + "conflicting implementations of trait `{}`{}{}", overlap.trait_desc, overlap .self_desc .clone() .map_or_else(String::new, |ty| { format!(" for type `{}`", ty) }), match used_to_be_allowed { - Some(FutureCompatOverlapErrorKind::Issue33140) => " (E0119)", + Some(FutureCompatOverlapErrorKind::Issue33140) => ": (E0119)", _ => "", } ); diff --git a/compiler/rustc_trait_selection/src/traits/util.rs b/compiler/rustc_trait_selection/src/traits/util.rs index 8888ea2c8490..fd94f9f79984 100644 --- a/compiler/rustc_trait_selection/src/traits/util.rs +++ b/compiler/rustc_trait_selection/src/traits/util.rs @@ -328,7 +328,7 @@ pub fn closure_trait_ref_and_return_type( self_ty: Ty<'tcx>, sig: ty::PolyFnSig<'tcx>, tuple_arguments: TupleArgumentsFlag, -) -> ty::Binder<(ty::TraitRef<'tcx>, Ty<'tcx>)> { +) -> ty::Binder<'tcx, (ty::TraitRef<'tcx>, Ty<'tcx>)> { let arguments_tuple = match tuple_arguments { TupleArgumentsFlag::No => sig.skip_binder().inputs()[0], TupleArgumentsFlag::Yes => tcx.intern_tup(sig.skip_binder().inputs()), @@ -346,7 +346,7 @@ pub fn generator_trait_ref_and_outputs( fn_trait_def_id: DefId, self_ty: Ty<'tcx>, sig: ty::PolyGenSig<'tcx>, -) -> ty::Binder<(ty::TraitRef<'tcx>, Ty<'tcx>, Ty<'tcx>)> { +) -> ty::Binder<'tcx, (ty::TraitRef<'tcx>, Ty<'tcx>, Ty<'tcx>)> { debug_assert!(!self_ty.has_escaping_bound_vars()); let trait_ref = ty::TraitRef { def_id: fn_trait_def_id, diff --git a/compiler/rustc_trait_selection/src/traits/wf.rs b/compiler/rustc_trait_selection/src/traits/wf.rs index 3d5f8d128dc4..f592cf1cd249 100644 --- a/compiler/rustc_trait_selection/src/traits/wf.rs +++ b/compiler/rustc_trait_selection/src/traits/wf.rs @@ -704,7 +704,7 @@ impl<'a, 'tcx> WfPredicates<'a, 'tcx> { fn from_object_ty( &mut self, ty: Ty<'tcx>, - data: &'tcx ty::List>>, + data: &'tcx ty::List>>, region: ty::Region<'tcx>, ) { // Imagine a type like this: @@ -767,7 +767,7 @@ impl<'a, 'tcx> WfPredicates<'a, 'tcx> { /// `infer::required_region_bounds`, see that for more information. pub fn object_region_bounds<'tcx>( tcx: TyCtxt<'tcx>, - existential_predicates: &'tcx ty::List>>, + existential_predicates: &'tcx ty::List>>, ) -> Vec> { // Since we don't actually *know* the self type for an object, // this "open(err)" serves as a kind of dummy standin -- basically diff --git a/compiler/rustc_traits/src/chalk/db.rs b/compiler/rustc_traits/src/chalk/db.rs index 5c0cb2fb8357..8c97e606c569 100644 --- a/compiler/rustc_traits/src/chalk/db.rs +++ b/compiler/rustc_traits/src/chalk/db.rs @@ -735,7 +735,10 @@ fn bound_vars_for_item(tcx: TyCtxt<'tcx>, def_id: DefId) -> SubstsRef<'tcx> { .into(), ty::GenericParamDefKind::Lifetime => { - let br = ty::BoundRegion { kind: ty::BrAnon(substs.len() as u32) }; + let br = ty::BoundRegion { + var: ty::BoundVar::from_usize(substs.len()), + kind: ty::BrAnon(substs.len() as u32), + }; tcx.mk_region(ty::RegionKind::ReLateBound(ty::INNERMOST, br)).into() } diff --git a/compiler/rustc_traits/src/chalk/lowering.rs b/compiler/rustc_traits/src/chalk/lowering.rs index fdf5f697e611..39890fd5b057 100644 --- a/compiler/rustc_traits/src/chalk/lowering.rs +++ b/compiler/rustc_traits/src/chalk/lowering.rs @@ -434,17 +434,11 @@ impl<'tcx> LowerInto<'tcx, chalk_ir::Lifetime>> for Region<'t ReEarlyBound(_) => { panic!("Should have already been substituted."); } - ReLateBound(db, br) => match br.kind { - ty::BoundRegionKind::BrAnon(var) => { - chalk_ir::LifetimeData::BoundVar(chalk_ir::BoundVar::new( - chalk_ir::DebruijnIndex::new(db.as_u32()), - var as usize, - )) - .intern(interner) - } - ty::BoundRegionKind::BrNamed(_def_id, _name) => unimplemented!(), - ty::BrEnv => unimplemented!(), - }, + ReLateBound(db, br) => chalk_ir::LifetimeData::BoundVar(chalk_ir::BoundVar::new( + chalk_ir::DebruijnIndex::new(db.as_u32()), + br.var.as_usize(), + )) + .intern(interner), ReFree(_) => unimplemented!(), ReStatic => chalk_ir::LifetimeData::Static.intern(interner), ReVar(_) => unimplemented!(), @@ -467,7 +461,10 @@ impl<'tcx> LowerInto<'tcx, Region<'tcx>> for &chalk_ir::Lifetime ty::RegionKind::ReLateBound( ty::DebruijnIndex::from_u32(var.debruijn.depth()), - ty::BoundRegion { kind: ty::BrAnon(var.index as u32) }, + ty::BoundRegion { + var: ty::BoundVar::from_usize(var.index), + kind: ty::BrAnon(var.index as u32), + }, ), chalk_ir::LifetimeData::InferenceVar(_var) => unimplemented!(), chalk_ir::LifetimeData::Placeholder(p) => { @@ -606,7 +603,7 @@ impl<'tcx> LowerInto<'tcx, Option LowerInto<'tcx, chalk_ir::Binders>>> - for &'tcx ty::List>> + for &'tcx ty::List>> { fn lower_into( self, @@ -677,7 +674,9 @@ impl<'tcx> LowerInto<'tcx, chalk_ir::Binders LowerInto<'tcx, chalk_ir::FnSig>> for ty::Binder> { +impl<'tcx> LowerInto<'tcx, chalk_ir::FnSig>> + for ty::Binder<'tcx, ty::FnSig<'tcx>> +{ fn lower_into(self, _interner: &RustInterner<'_>) -> FnSig> { chalk_ir::FnSig { abi: self.abi(), @@ -801,7 +800,7 @@ impl<'tcx> LowerInto<'tcx, chalk_solve::rust_ir::AliasEqBound crate fn collect_bound_vars<'tcx, T: TypeFoldable<'tcx>>( interner: &RustInterner<'tcx>, tcx: TyCtxt<'tcx>, - ty: Binder, + ty: Binder<'tcx, T>, ) -> (T, chalk_ir::VariableKinds>, BTreeMap) { let mut bound_vars_collector = BoundVarsCollector::new(); ty.as_ref().skip_binder().visit_with(&mut bound_vars_collector); @@ -849,7 +848,10 @@ impl<'tcx> BoundVarsCollector<'tcx> { } impl<'tcx> TypeVisitor<'tcx> for BoundVarsCollector<'tcx> { - fn visit_binder>(&mut self, t: &Binder) -> ControlFlow { + fn visit_binder>( + &mut self, + t: &Binder<'tcx, T>, + ) -> ControlFlow { self.binder_index.shift_in(1); let result = t.super_visit_with(self); self.binder_index.shift_out(1); @@ -895,7 +897,7 @@ impl<'tcx> TypeVisitor<'tcx> for BoundVarsCollector<'tcx> { }, }, - ty::BrEnv => unimplemented!(), + ty::BoundRegionKind::BrEnv => unimplemented!(), }, ty::ReEarlyBound(_re) => { @@ -931,7 +933,7 @@ impl<'a, 'tcx> TypeFolder<'tcx> for NamedBoundVarSubstitutor<'a, 'tcx> { self.tcx } - fn fold_binder>(&mut self, t: Binder) -> Binder { + fn fold_binder>(&mut self, t: Binder<'tcx, T>) -> Binder<'tcx, T> { self.binder_index.shift_in(1); let result = t.super_fold_with(self); self.binder_index.shift_out(1); @@ -943,7 +945,7 @@ impl<'a, 'tcx> TypeFolder<'tcx> for NamedBoundVarSubstitutor<'a, 'tcx> { ty::ReLateBound(index, br) if *index == self.binder_index => match br.kind { ty::BrNamed(def_id, _name) => match self.named_parameters.get(&def_id) { Some(idx) => { - let new_br = ty::BoundRegion { kind: ty::BrAnon(*idx) }; + let new_br = ty::BoundRegion { var: br.var, kind: ty::BrAnon(*idx) }; return self.tcx.mk_region(RegionKind::ReLateBound(*index, new_br)); } None => panic!("Missing `BrNamed`."), @@ -987,7 +989,7 @@ impl<'tcx> TypeFolder<'tcx> for ParamsSubstitutor<'tcx> { self.tcx } - fn fold_binder>(&mut self, t: Binder) -> Binder { + fn fold_binder>(&mut self, t: Binder<'tcx, T>) -> Binder<'tcx, T> { self.binder_index.shift_in(1); let result = t.super_fold_with(self); self.binder_index.shift_out(1); @@ -1026,12 +1028,16 @@ impl<'tcx> TypeFolder<'tcx> for ParamsSubstitutor<'tcx> { // This covers any region variables in a goal, right? ty::ReEarlyBound(_re) => match self.named_regions.get(&_re.def_id) { Some(idx) => { - let br = ty::BoundRegion { kind: ty::BrAnon(*idx) }; + let br = ty::BoundRegion { + var: ty::BoundVar::from_u32(*idx), + kind: ty::BrAnon(*idx), + }; self.tcx.mk_region(RegionKind::ReLateBound(self.binder_index, br)) } None => { let idx = self.named_regions.len() as u32; - let br = ty::BoundRegion { kind: ty::BrAnon(idx) }; + let br = + ty::BoundRegion { var: ty::BoundVar::from_u32(idx), kind: ty::BrAnon(idx) }; self.named_regions.insert(_re.def_id, idx); self.tcx.mk_region(RegionKind::ReLateBound(self.binder_index, br)) } diff --git a/compiler/rustc_traits/src/normalize_erasing_regions.rs b/compiler/rustc_traits/src/normalize_erasing_regions.rs index 1213e5539084..5ad0684fe6ee 100644 --- a/compiler/rustc_traits/src/normalize_erasing_regions.rs +++ b/compiler/rustc_traits/src/normalize_erasing_regions.rs @@ -1,24 +1,35 @@ use rustc_infer::infer::TyCtxtInferExt; use rustc_middle::traits::query::NoSolution; use rustc_middle::ty::query::Providers; -use rustc_middle::ty::subst::GenericArg; use rustc_middle::ty::{self, ParamEnvAnd, TyCtxt, TypeFoldable}; use rustc_trait_selection::traits::query::normalize::AtExt; use rustc_trait_selection::traits::{Normalized, ObligationCause}; use std::sync::atomic::Ordering; crate fn provide(p: &mut Providers) { - *p = Providers { normalize_generic_arg_after_erasing_regions, ..*p }; + *p = Providers { + normalize_generic_arg_after_erasing_regions: |tcx, goal| { + debug!("normalize_generic_arg_after_erasing_regions(goal={:#?})", goal); + + tcx.sess + .perf_stats + .normalize_generic_arg_after_erasing_regions + .fetch_add(1, Ordering::Relaxed); + normalize_after_erasing_regions(tcx, goal) + }, + normalize_mir_const_after_erasing_regions: |tcx, goal| { + normalize_after_erasing_regions(tcx, goal) + }, + ..*p + }; } -fn normalize_generic_arg_after_erasing_regions<'tcx>( +#[instrument(level = "debug", skip(tcx))] +fn normalize_after_erasing_regions<'tcx, T: TypeFoldable<'tcx> + PartialEq + Copy>( tcx: TyCtxt<'tcx>, - goal: ParamEnvAnd<'tcx, GenericArg<'tcx>>, -) -> GenericArg<'tcx> { - debug!("normalize_generic_arg_after_erasing_regions(goal={:#?})", goal); - + goal: ParamEnvAnd<'tcx, T>, +) -> T { let ParamEnvAnd { param_env, value } = goal; - tcx.sess.perf_stats.normalize_generic_arg_after_erasing_regions.fetch_add(1, Ordering::Relaxed); tcx.infer_ctxt().enter(|infcx| { let cause = ObligationCause::dummy(); match infcx.at(&cause, param_env).normalize(value) { diff --git a/compiler/rustc_ty_utils/src/instance.rs b/compiler/rustc_ty_utils/src/instance.rs index 6b9d46ee0af8..874289d02938 100644 --- a/compiler/rustc_ty_utils/src/instance.rs +++ b/compiler/rustc_ty_utils/src/instance.rs @@ -115,7 +115,7 @@ fn resolve_associated_item<'tcx>( ); let trait_ref = ty::TraitRef::from_method(tcx, trait_id, rcvr_substs); - let vtbl = tcx.codegen_fulfill_obligation((param_env, ty::Binder::bind(trait_ref)))?; + let vtbl = tcx.codegen_fulfill_obligation((param_env, ty::Binder::bind(trait_ref, tcx)))?; // Now that we know which impl is being used, we can dispatch to // the actual function: diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index fccd8b795ef5..8fcdf813b413 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -1,7 +1,3 @@ -#![feature(never_type)] -#![feature(const_panic)] -#![feature(control_flow_enum)] - #[macro_use] extern crate bitflags; #[macro_use] diff --git a/compiler/rustc_typeck/src/astconv/generics.rs b/compiler/rustc_typeck/src/astconv/generics.rs index 9625211109d1..845375f3e322 100644 --- a/compiler/rustc_typeck/src/astconv/generics.rs +++ b/compiler/rustc_typeck/src/astconv/generics.rs @@ -166,7 +166,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { parent_substs: &[subst::GenericArg<'tcx>], has_self: bool, self_ty: Option>, - arg_count: GenericArgCountResult, + arg_count: &GenericArgCountResult, ctx: &mut impl CreateSubstsForGenericArgsCtxt<'a, 'tcx>, ) -> SubstsRef<'tcx> { // Collect the segments of the path; we need to substitute arguments diff --git a/compiler/rustc_typeck/src/astconv/mod.rs b/compiler/rustc_typeck/src/astconv/mod.rs index dbc518da8c83..b6de491911ab 100644 --- a/compiler/rustc_typeck/src/astconv/mod.rs +++ b/compiler/rustc_typeck/src/astconv/mod.rs @@ -210,14 +210,20 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let r = match tcx.named_region(lifetime.hir_id) { Some(rl::Region::Static) => tcx.lifetimes.re_static, - Some(rl::Region::LateBound(debruijn, id, _)) => { - let name = lifetime_name(id.expect_local()); - let br = ty::BoundRegion { kind: ty::BrNamed(id, name) }; + Some(rl::Region::LateBound(debruijn, index, def_id, _)) => { + let name = lifetime_name(def_id.expect_local()); + let br = ty::BoundRegion { + var: ty::BoundVar::from_u32(index), + kind: ty::BrNamed(def_id, name), + }; tcx.mk_region(ty::ReLateBound(debruijn, br)) } - Some(rl::Region::LateBoundAnon(debruijn, index)) => { - let br = ty::BoundRegion { kind: ty::BrAnon(index) }; + Some(rl::Region::LateBoundAnon(debruijn, index, anon_index)) => { + let br = ty::BoundRegion { + var: ty::BoundVar::from_u32(index), + kind: ty::BrAnon(anon_index), + }; tcx.mk_region(ty::ReLateBound(debruijn, br)) } @@ -266,7 +272,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { def_id: DefId, item_segment: &hir::PathSegment<'_>, ) -> SubstsRef<'tcx> { - let (substs, assoc_bindings, _) = self.create_substs_for_ast_path( + let (substs, _) = self.create_substs_for_ast_path( span, def_id, &[], @@ -275,6 +281,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { item_segment.infer_args, None, ); + let assoc_bindings = self.create_assoc_bindings_for_generic_args(item_segment.args()); if let Some(b) = assoc_bindings.first() { Self::prohibit_assoc_ty_binding(self.tcx(), b.span); @@ -314,6 +321,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { /// `[Vec, u8]` and `generic_args` are the arguments for the associated /// type itself: `['a]`. The returned `SubstsRef` concatenates these two /// lists: `[Vec, u8, 'a]`. + #[tracing::instrument(level = "debug", skip(self, span))] fn create_substs_for_ast_path<'a>( &self, span: Span, @@ -323,15 +331,10 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { generic_args: &'a hir::GenericArgs<'_>, infer_args: bool, self_ty: Option>, - ) -> (SubstsRef<'tcx>, Vec>, GenericArgCountResult) { + ) -> (SubstsRef<'tcx>, GenericArgCountResult) { // If the type is parameterized by this region, then replace this // region with the current anon region binding (in other words, // whatever & would get replaced with). - debug!( - "create_substs_for_ast_path(def_id={:?}, self_ty={:?}, \ - generic_args={:?})", - def_id, self_ty, generic_args - ); let tcx = self.tcx(); let generics = tcx.generics_of(def_id); @@ -367,7 +370,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { // here and so associated type bindings will be handled regardless of whether there are any // non-`Self` generic parameters. if generics.params.len() == 0 { - return (tcx.intern_substs(&[]), vec![], arg_count); + return (tcx.intern_substs(&[]), arg_count); } let is_object = self_ty.map_or(false, |ty| ty == self.tcx().types.trait_object_dummy_self); @@ -540,7 +543,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { parent_substs, self_ty.is_some(), self_ty, - arg_count.clone(), + &arg_count, &mut substs_ctx, ); @@ -551,6 +554,18 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { generic_args.args.is_empty(), ); + debug!( + "create_substs_for_ast_path(generic_params={:?}, self_ty={:?}) -> {:?}", + generics, self_ty, substs + ); + + (substs, arg_count) + } + + fn create_assoc_bindings_for_generic_args<'a>( + &self, + generic_args: &'a hir::GenericArgs<'_>, + ) -> Vec> { // Convert associated-type bindings or constraints into a separate vector. // Example: Given this: // @@ -581,12 +596,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { }) .collect(); - debug!( - "create_substs_for_ast_path(generic_params={:?}, self_ty={:?}) -> {:?}", - generics, self_ty, substs - ); - - (substs, assoc_bindings, arg_count) + assoc_bindings } crate fn create_substs_for_associated_item( @@ -636,8 +646,27 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { ) } - /// The given trait-ref must actually be a trait. - pub(super) fn instantiate_poly_trait_ref_inner( + /// Given a trait bound like `Debug`, applies that trait bound the given self-type to construct + /// a full trait reference. The resulting trait reference is returned. This may also generate + /// auxiliary bounds, which are added to `bounds`. + /// + /// Example: + /// + /// ``` + /// poly_trait_ref = Iterator + /// self_ty = Foo + /// ``` + /// + /// this would return `Foo: Iterator` and add `::Item = u32` into `bounds`. + /// + /// **A note on binders:** against our usual convention, there is an implied bounder around + /// the `self_ty` and `poly_trait_ref` parameters here. So they may reference bound regions. + /// If for example you had `for<'a> Foo<'a>: Bar<'a>`, then the `self_ty` would be `Foo<'a>` + /// where `'a` is a bound region at depth 0. Similarly, the `poly_trait_ref` would be + /// `Bar<'a>`. The returned poly-trait-ref will have this binder instantiated explicitly, + /// however. + #[tracing::instrument(level = "debug", skip(self, span, constness, bounds, speculative))] + pub fn instantiate_poly_trait_ref( &self, trait_ref: &hir::TraitRef<'_>, span: Span, @@ -648,18 +677,25 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { ) -> GenericArgCountResult { let trait_def_id = trait_ref.trait_def_id().unwrap_or_else(|| FatalError.raise()); - debug!("instantiate_poly_trait_ref({:?}, def_id={:?})", trait_ref, trait_def_id); - self.prohibit_generics(trait_ref.path.segments.split_last().unwrap().1); - let (substs, assoc_bindings, arg_count) = self.create_substs_for_ast_trait_ref( + let tcx = self.tcx(); + let bound_vars = tcx.late_bound_vars(trait_ref.hir_ref_id); + debug!(?bound_vars); + + let (substs, arg_count) = self.create_substs_for_ast_trait_ref( trait_ref.path.span, trait_def_id, self_ty, trait_ref.path.segments.last().unwrap(), ); - let poly_trait_ref = ty::Binder::bind(ty::TraitRef::new(trait_def_id, substs)); + let assoc_bindings = self + .create_assoc_bindings_for_generic_args(trait_ref.path.segments.last().unwrap().args()); + let poly_trait_ref = + ty::Binder::bind_with_vars(ty::TraitRef::new(trait_def_id, substs), bound_vars); + + debug!(?poly_trait_ref, ?assoc_bindings); bounds.trait_bounds.push((poly_trait_ref, span, constness)); let mut dup_bindings = FxHashMap::default(); @@ -677,50 +713,9 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { // Okay to ignore `Err` because of `ErrorReported` (see above). } - debug!( - "instantiate_poly_trait_ref({:?}, bounds={:?}) -> {:?}", - trait_ref, bounds, poly_trait_ref - ); - arg_count } - /// Given a trait bound like `Debug`, applies that trait bound the given self-type to construct - /// a full trait reference. The resulting trait reference is returned. This may also generate - /// auxiliary bounds, which are added to `bounds`. - /// - /// Example: - /// - /// ``` - /// poly_trait_ref = Iterator - /// self_ty = Foo - /// ``` - /// - /// this would return `Foo: Iterator` and add `::Item = u32` into `bounds`. - /// - /// **A note on binders:** against our usual convention, there is an implied bounder around - /// the `self_ty` and `poly_trait_ref` parameters here. So they may reference bound regions. - /// If for example you had `for<'a> Foo<'a>: Bar<'a>`, then the `self_ty` would be `Foo<'a>` - /// where `'a` is a bound region at depth 0. Similarly, the `poly_trait_ref` would be - /// `Bar<'a>`. The returned poly-trait-ref will have this binder instantiated explicitly, - /// however. - pub fn instantiate_poly_trait_ref( - &self, - poly_trait_ref: &hir::PolyTraitRef<'_>, - constness: Constness, - self_ty: Ty<'tcx>, - bounds: &mut Bounds<'tcx>, - ) -> GenericArgCountResult { - self.instantiate_poly_trait_ref_inner( - &poly_trait_ref.trait_ref, - poly_trait_ref.span, - constness, - self_ty, - bounds, - false, - ) - } - pub fn instantiate_lang_item_trait_ref( &self, lang_item: hir::LangItem, @@ -732,7 +727,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { ) { let trait_def_id = self.tcx().require_lang_item(lang_item, Some(span)); - let (substs, assoc_bindings, _) = self.create_substs_for_ast_path( + let (substs, _) = self.create_substs_for_ast_path( span, trait_def_id, &[], @@ -741,7 +736,11 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { false, Some(self_ty), ); - let poly_trait_ref = ty::Binder::bind(ty::TraitRef::new(trait_def_id, substs)); + let assoc_bindings = self.create_assoc_bindings_for_generic_args(args); + let tcx = self.tcx(); + let bound_vars = tcx.late_bound_vars(hir_id); + let poly_trait_ref = + ty::Binder::bind_with_vars(ty::TraitRef::new(trait_def_id, substs), bound_vars); bounds.trait_bounds.push((poly_trait_ref, span, Constness::NotConst)); let mut dup_bindings = FxHashMap::default(); @@ -765,23 +764,23 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { self_ty: Ty<'tcx>, trait_segment: &hir::PathSegment<'_>, ) -> ty::TraitRef<'tcx> { - let (substs, assoc_bindings, _) = + let (substs, _) = self.create_substs_for_ast_trait_ref(span, trait_def_id, self_ty, trait_segment); + let assoc_bindings = self.create_assoc_bindings_for_generic_args(trait_segment.args()); if let Some(b) = assoc_bindings.first() { Self::prohibit_assoc_ty_binding(self.tcx(), b.span); } ty::TraitRef::new(trait_def_id, substs) } + #[tracing::instrument(level = "debug", skip(self, span))] fn create_substs_for_ast_trait_ref<'a>( &self, span: Span, trait_def_id: DefId, self_ty: Ty<'tcx>, trait_segment: &'a hir::PathSegment<'a>, - ) -> (SubstsRef<'tcx>, Vec>, GenericArgCountResult) { - debug!("create_substs_for_ast_trait_ref(trait_segment={:?})", trait_segment); - + ) -> (SubstsRef<'tcx>, GenericArgCountResult) { self.complain_about_internal_fn_trait(span, trait_def_id, trait_segment); self.create_substs_for_ast_path( @@ -803,7 +802,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { } // Returns `true` if a bounds list includes `?Sized`. - pub fn is_unsized(&self, ast_bounds: &[&hir::GenericBound<'_>], span: Span) -> bool { + pub fn is_unsized(&self, ast_bounds: &[hir::GenericBound<'_>], span: Span) -> bool { let tcx = self.tcx(); // Try to find an unbound in bounds. @@ -858,29 +857,46 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { /// **A note on binders:** there is an implied binder around /// `param_ty` and `ast_bounds`. See `instantiate_poly_trait_ref` /// for more details. + #[tracing::instrument(level = "debug", skip(self, bounds))] fn add_bounds( &self, param_ty: Ty<'tcx>, - ast_bounds: &[&hir::GenericBound<'_>], + ast_bounds: &[hir::GenericBound<'_>], bounds: &mut Bounds<'tcx>, + bound_vars: &'tcx ty::List, ) { let constness = self.default_constness_for_trait_bounds(); for ast_bound in ast_bounds { match *ast_bound { hir::GenericBound::Trait(ref b, hir::TraitBoundModifier::None) => { - self.instantiate_poly_trait_ref(b, constness, param_ty, bounds); + self.instantiate_poly_trait_ref( + &b.trait_ref, + b.span, + constness, + param_ty, + bounds, + false, + ); } hir::GenericBound::Trait(ref b, hir::TraitBoundModifier::MaybeConst) => { - self.instantiate_poly_trait_ref(b, Constness::NotConst, param_ty, bounds); + self.instantiate_poly_trait_ref( + &b.trait_ref, + b.span, + Constness::NotConst, + param_ty, + bounds, + false, + ); } hir::GenericBound::Trait(_, hir::TraitBoundModifier::Maybe) => {} hir::GenericBound::LangItemTrait(lang_item, span, hir_id, args) => self .instantiate_lang_item_trait_ref( - *lang_item, *span, *hir_id, args, param_ty, bounds, + lang_item, span, hir_id, args, param_ty, bounds, ), - hir::GenericBound::Outlives(ref l) => bounds - .region_bounds - .push((ty::Binder::bind(self.ast_region_to_region(l, None)), l.span)), + hir::GenericBound::Outlives(ref l) => bounds.region_bounds.push(( + ty::Binder::bind_with_vars(self.ast_region_to_region(l, None), bound_vars), + l.span, + )), } } } @@ -908,7 +924,6 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { sized_by_default: SizedByDefault, span: Span, ) -> Bounds<'tcx> { - let ast_bounds: Vec<_> = ast_bounds.iter().collect(); self.compute_bounds_inner(param_ty, &ast_bounds, sized_by_default, span) } @@ -928,7 +943,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { if let Some(trait_ref) = ast_bound.trait_ref() { if let Some(trait_did) = trait_ref.trait_def_id() { if self.tcx().trait_may_define_assoc_type(trait_did, assoc_name) { - result.push(ast_bound); + result.push(ast_bound.clone()); } } } @@ -940,13 +955,13 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { fn compute_bounds_inner( &self, param_ty: Ty<'tcx>, - ast_bounds: &[&hir::GenericBound<'_>], + ast_bounds: &[hir::GenericBound<'_>], sized_by_default: SizedByDefault, span: Span, ) -> Bounds<'tcx> { let mut bounds = Bounds::default(); - self.add_bounds(param_ty, ast_bounds, &mut bounds); + self.add_bounds(param_ty, ast_bounds, &mut bounds, ty::List::empty()); bounds.implicitly_sized = if let SizedByDefault::Yes = sized_by_default { if !self.is_unsized(ast_bounds, span) { Some(span) } else { None } @@ -963,6 +978,10 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { /// **A note on binders:** given something like `T: for<'a> Iterator`, the /// `trait_ref` here will be `for<'a> T: Iterator`. The `binding` data however is from *inside* /// the binder (e.g., `&'a u32`) and hence may reference bound regions. + #[tracing::instrument( + level = "debug", + skip(self, bounds, speculative, dup_bindings, path_span) + )] fn add_predicates_for_ast_type_binding( &self, hir_ref_id: hir::HirId, @@ -989,7 +1008,6 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { // // We want to produce `>::T == foo`. - debug!(?hir_ref_id, ?trait_ref, ?binding, ?bounds, "add_predicates_for_ast_type_binding",); let tcx = self.tcx(); let candidate = @@ -1090,7 +1108,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let late_bound_in_trait_ref = tcx.collect_constrained_late_bound_regions(&projection_ty); let late_bound_in_ty = - tcx.collect_referenced_late_bound_regions(&ty::Binder::bind(ty)); + tcx.collect_referenced_late_bound_regions(&trait_ref.rebind(ty)); debug!("late_bound_in_trait_ref = {:?}", late_bound_in_trait_ref); debug!("late_bound_in_ty = {:?}", late_bound_in_ty); @@ -1139,10 +1157,8 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { // // Calling `skip_binder` is okay, because `add_bounds` expects the `param_ty` // parameter to have a skipped binder. - let param_ty = - tcx.mk_projection(assoc_ty.def_id, projection_ty.skip_binder().substs); - let ast_bounds: Vec<_> = ast_bounds.iter().collect(); - self.add_bounds(param_ty, &ast_bounds, bounds); + let param_ty = tcx.mk_ty(ty::Projection(projection_ty.skip_binder())); + self.add_bounds(param_ty, ast_bounds, bounds, candidate.bound_vars()); } } Ok(()) @@ -1176,10 +1192,12 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { Err(GenericArgCountMismatch { invalid_args: cur_potential_assoc_types, .. }), .. } = self.instantiate_poly_trait_ref( - trait_bound, + &trait_bound.trait_ref, + trait_bound.span, Constness::NotConst, dummy_self, &mut bounds, + false, ) { potential_assoc_types.extend(cur_potential_assoc_types); } @@ -1664,7 +1682,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { }; self.one_bound_for_assoc_type( - || traits::supertraits(tcx, ty::Binder::bind(trait_ref)), + || traits::supertraits(tcx, ty::Binder::bind(trait_ref, tcx)), || "Self".to_string(), assoc_ident, span, @@ -2199,6 +2217,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { require_c_abi_if_c_variadic(tcx, &bf.decl, bf.abi, ast_ty.span); tcx.mk_fn_ptr(self.ty_of_fn( + ast_ty.hir_id, bf.unsafety, bf.abi, &bf.decl, @@ -2241,7 +2260,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { } hir::TyKind::Path(hir::QPath::LangItem(lang_item, span)) => { let def_id = tcx.require_lang_item(lang_item, Some(span)); - let (substs, _, _) = self.create_substs_for_ast_path( + let (substs, _) = self.create_substs_for_ast_path( span, def_id, &[], @@ -2278,7 +2297,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { result_ty } - pub fn impl_trait_ty_to_ty( + fn impl_trait_ty_to_ty( &self, def_id: DefId, lifetimes: &[hir::GenericArg<'_>], @@ -2339,6 +2358,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { pub fn ty_of_fn( &self, + hir_id: hir::HirId, unsafety: hir::Unsafety, abi: abi::Abi, decl: &hir::FnDecl<'_>, @@ -2349,6 +2369,8 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { debug!("ty_of_fn"); let tcx = self.tcx(); + let bound_vars = tcx.late_bound_vars(hir_id); + debug!(?bound_vars); // We proactively collect all the inferred type params to emit a single error per fn def. let mut visitor = PlaceholderHirTyCollector::default(); @@ -2368,8 +2390,8 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { debug!("ty_of_fn: output_ty={:?}", output_ty); - let bare_fn_ty = - ty::Binder::bind(tcx.mk_fn_sig(input_tys, output_ty, decl.c_variadic, unsafety, abi)); + let fn_ty = tcx.mk_fn_sig(input_tys, output_ty, decl.c_variadic, unsafety, abi); + let bare_fn_ty = ty::Binder::bind_with_vars(fn_ty, bound_vars); if !self.allow_ty_infer() { // We always collect the spans for placeholder types when evaluating `fn`s, but we @@ -2450,7 +2472,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { fn compute_object_lifetime_bound( &self, span: Span, - existential_predicates: &'tcx ty::List>>, + existential_predicates: &'tcx ty::List>>, ) -> Option> // if None, use the default { let tcx = self.tcx(); diff --git a/compiler/rustc_typeck/src/bounds.rs b/compiler/rustc_typeck/src/bounds.rs index 7ba90ad88193..5d2006407226 100644 --- a/compiler/rustc_typeck/src/bounds.rs +++ b/compiler/rustc_typeck/src/bounds.rs @@ -26,7 +26,7 @@ pub struct Bounds<'tcx> { /// A list of region bounds on the (implicit) self type. So if you /// had `T: 'a + 'b` this might would be a list `['a, 'b]` (but /// the `T` is not explicitly included). - pub region_bounds: Vec<(ty::Binder>, Span)>, + pub region_bounds: Vec<(ty::Binder<'tcx, ty::Region<'tcx>>, Span)>, /// A list of trait bounds. So if you had `T: Debug` this would be /// `T: Debug`. Note that the self-type is explicit here. @@ -57,7 +57,7 @@ impl<'tcx> Bounds<'tcx> { // If it could be sized, and is, add the `Sized` predicate. let sized_predicate = self.implicitly_sized.and_then(|span| { tcx.lang_items().sized_trait().map(|sized| { - let trait_ref = ty::Binder::bind(ty::TraitRef { + let trait_ref = ty::Binder::dummy(ty::TraitRef { def_id: sized, substs: tcx.mk_substs_trait(param_ty, &[]), }); diff --git a/compiler/rustc_typeck/src/check/closure.rs b/compiler/rustc_typeck/src/check/closure.rs index 4099ecd435d5..22d3dc6bdc0c 100644 --- a/compiler/rustc_typeck/src/check/closure.rs +++ b/compiler/rustc_typeck/src/check/closure.rs @@ -69,7 +69,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let expr_def_id = self.tcx.hir().local_def_id(expr.hir_id); let ClosureSignatures { bound_sig, liberated_sig } = - self.sig_of_closure(expr_def_id.to_def_id(), decl, body, expected_sig); + self.sig_of_closure(expr.hir_id, expr_def_id.to_def_id(), decl, body, expected_sig); debug!("check_closure: ty_of_closure returns {:?}", liberated_sig); @@ -288,15 +288,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn sig_of_closure( &self, + hir_id: hir::HirId, expr_def_id: DefId, decl: &hir::FnDecl<'_>, body: &hir::Body<'_>, expected_sig: Option>, ) -> ClosureSignatures<'tcx> { if let Some(e) = expected_sig { - self.sig_of_closure_with_expectation(expr_def_id, decl, body, e) + self.sig_of_closure_with_expectation(hir_id, expr_def_id, decl, body, e) } else { - self.sig_of_closure_no_expectation(expr_def_id, decl, body) + self.sig_of_closure_no_expectation(hir_id, expr_def_id, decl, body) } } @@ -304,13 +305,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// types that the user gave into a signature. fn sig_of_closure_no_expectation( &self, + hir_id: hir::HirId, expr_def_id: DefId, decl: &hir::FnDecl<'_>, body: &hir::Body<'_>, ) -> ClosureSignatures<'tcx> { debug!("sig_of_closure_no_expectation()"); - let bound_sig = self.supplied_sig_of_closure(expr_def_id, decl, body); + let bound_sig = self.supplied_sig_of_closure(hir_id, expr_def_id, decl, body); self.closure_sigs(expr_def_id, body, bound_sig) } @@ -364,6 +366,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// regions with depth 1, which are bound then by the closure. fn sig_of_closure_with_expectation( &self, + hir_id: hir::HirId, expr_def_id: DefId, decl: &hir::FnDecl<'_>, body: &hir::Body<'_>, @@ -375,7 +378,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // expectation if things don't see to match up with what we // expect. if expected_sig.sig.c_variadic() != decl.c_variadic { - return self.sig_of_closure_no_expectation(expr_def_id, decl, body); + return self.sig_of_closure_no_expectation(hir_id, expr_def_id, decl, body); } else if expected_sig.sig.skip_binder().inputs_and_output.len() != decl.inputs.len() + 1 { return self.sig_of_closure_with_mismatched_number_of_arguments( expr_def_id, @@ -411,9 +414,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Along the way, it also writes out entries for types that the user // wrote into our typeck results, which are then later used by the privacy // check. - match self.check_supplied_sig_against_expectation(expr_def_id, decl, body, &closure_sigs) { + match self.check_supplied_sig_against_expectation( + hir_id, + expr_def_id, + decl, + body, + &closure_sigs, + ) { Ok(infer_ok) => self.register_infer_ok_obligations(infer_ok), - Err(_) => return self.sig_of_closure_no_expectation(expr_def_id, decl, body), + Err(_) => return self.sig_of_closure_no_expectation(hir_id, expr_def_id, decl, body), } closure_sigs @@ -460,6 +469,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// strategy. fn check_supplied_sig_against_expectation( &self, + hir_id: hir::HirId, expr_def_id: DefId, decl: &hir::FnDecl<'_>, body: &hir::Body<'_>, @@ -469,7 +479,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // // (See comment on `sig_of_closure_with_expectation` for the // meaning of these letters.) - let supplied_sig = self.supplied_sig_of_closure(expr_def_id, decl, body); + let supplied_sig = self.supplied_sig_of_closure(hir_id, expr_def_id, decl, body); debug!("check_supplied_sig_against_expectation: supplied_sig={:?}", supplied_sig); @@ -534,6 +544,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// Also, record this closure signature for later. fn supplied_sig_of_closure( &self, + hir_id: hir::HirId, expr_def_id: DefId, decl: &hir::FnDecl<'_>, body: &hir::Body<'_>, @@ -545,6 +556,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { decl, body.generator_kind, ); + let bound_vars = self.tcx.late_bound_vars(hir_id); + // First, convert the types that the user supplied (if any). let supplied_arguments = decl.inputs.iter().map(|a| astconv.ast_ty_to_ty(a)); let supplied_return = match decl.output { @@ -571,13 +584,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }, }; - let result = ty::Binder::bind(self.tcx.mk_fn_sig( - supplied_arguments, - supplied_return, - decl.c_variadic, - hir::Unsafety::Normal, - Abi::RustCall, - )); + let result = ty::Binder::bind_with_vars( + self.tcx.mk_fn_sig( + supplied_arguments, + supplied_return, + decl.c_variadic, + hir::Unsafety::Normal, + Abi::RustCall, + ), + bound_vars, + ); debug!("supplied_sig_of_closure: result={:?}", result); diff --git a/compiler/rustc_typeck/src/check/coercion.rs b/compiler/rustc_typeck/src/check/coercion.rs index 94aee87364a6..68a923a55eb0 100644 --- a/compiler/rustc_typeck/src/check/coercion.rs +++ b/compiler/rustc_typeck/src/check/coercion.rs @@ -1487,7 +1487,7 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { if let (Some((expr, _)), Some((fn_decl, _, _))) = (expression, fcx.get_node_fn_decl(parent_item)) { - fcx.suggest_missing_return_expr(&mut err, expr, fn_decl, expected, found); + fcx.suggest_missing_return_expr(&mut err, expr, fn_decl, expected, found, parent_id); } if let (Some(sp), Some(fn_output)) = (fcx.ret_coercion_span.get(), fn_output) { diff --git a/compiler/rustc_typeck/src/check/compare_method.rs b/compiler/rustc_typeck/src/check/compare_method.rs index 70f850084a89..f044daa45091 100644 --- a/compiler/rustc_typeck/src/check/compare_method.rs +++ b/compiler/rustc_typeck/src/check/compare_method.rs @@ -225,7 +225,7 @@ fn compare_predicate_entailment<'tcx>( let (impl_m_own_bounds, _) = infcx.replace_bound_vars_with_fresh_vars( impl_m_span, infer::HigherRankedType, - ty::Binder::bind(impl_m_own_bounds.predicates), + ty::Binder::bind(impl_m_own_bounds.predicates, tcx), ); for predicate in impl_m_own_bounds { let traits::Normalized { value: predicate, obligations } = @@ -258,14 +258,14 @@ fn compare_predicate_entailment<'tcx>( ); let impl_sig = inh.normalize_associated_types_in(impl_m_span, impl_m_hir_id, param_env, impl_sig); - let impl_fty = tcx.mk_fn_ptr(ty::Binder::bind(impl_sig)); + let impl_fty = tcx.mk_fn_ptr(ty::Binder::bind(impl_sig, tcx)); debug!("compare_impl_method: impl_fty={:?}", impl_fty); let trait_sig = tcx.liberate_late_bound_regions(impl_m.def_id, tcx.fn_sig(trait_m.def_id)); let trait_sig = trait_sig.subst(tcx, trait_to_placeholder_substs); let trait_sig = inh.normalize_associated_types_in(impl_m_span, impl_m_hir_id, param_env, trait_sig); - let trait_fty = tcx.mk_fn_ptr(ty::Binder::bind(trait_sig)); + let trait_fty = tcx.mk_fn_ptr(ty::Binder::bind(trait_sig, tcx)); debug!("compare_impl_method: trait_fty={:?}", trait_fty); diff --git a/compiler/rustc_typeck/src/check/demand.rs b/compiler/rustc_typeck/src/check/demand.rs index f9f67769e96a..d879b6e97dcf 100644 --- a/compiler/rustc_typeck/src/check/demand.rs +++ b/compiler/rustc_typeck/src/check/demand.rs @@ -366,6 +366,29 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { false } + /// If the given `HirId` corresponds to a block with a trailing expression, return that expression + crate fn maybe_get_block_expr(&self, hir_id: hir::HirId) -> Option<&'tcx hir::Expr<'tcx>> { + match self.tcx.hir().find(hir_id)? { + Node::Expr(hir::Expr { kind: hir::ExprKind::Block(block, ..), .. }) => block.expr, + _ => None, + } + } + + /// Returns whether the given expression is an `else if`. + crate fn is_else_if_block(&self, expr: &hir::Expr<'_>) -> bool { + if let hir::ExprKind::If(..) = expr.kind { + let parent_id = self.tcx.hir().get_parent_node(expr.hir_id); + if let Some(Node::Expr(hir::Expr { + kind: hir::ExprKind::If(_, _, Some(else_expr)), + .. + })) = self.tcx.hir().find(parent_id) + { + return else_expr.hir_id == expr.hir_id; + } + } + false + } + /// This function is used to determine potential "simple" improvements or users' errors and /// provide them useful help. For example: /// @@ -652,6 +675,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; let suggestion = if is_struct_pat_shorthand_field { format!("{}: *{}", code, code) + } else if self.is_else_if_block(expr) { + // Don't suggest nonsense like `else *if` + return None; + } else if let Some(expr) = self.maybe_get_block_expr(expr.hir_id) { + format!("*{}", sm.span_to_snippet(expr.span).unwrap_or(code)) } else { format!("*{}", code) }; diff --git a/compiler/rustc_typeck/src/check/dropck.rs b/compiler/rustc_typeck/src/check/dropck.rs index 4d74962d28ed..de6336b254b3 100644 --- a/compiler/rustc_typeck/src/check/dropck.rs +++ b/compiler/rustc_typeck/src/check/dropck.rs @@ -354,9 +354,9 @@ impl TypeRelation<'tcx> for SimpleEqRelation<'tcx> { fn binders( &mut self, - a: ty::Binder, - b: ty::Binder, - ) -> RelateResult<'tcx, ty::Binder> + a: ty::Binder<'tcx, T>, + b: ty::Binder<'tcx, T>, + ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where T: Relate<'tcx>, { diff --git a/compiler/rustc_typeck/src/check/expectation.rs b/compiler/rustc_typeck/src/check/expectation.rs index 22be10a731f9..e9e810344776 100644 --- a/compiler/rustc_typeck/src/check/expectation.rs +++ b/compiler/rustc_typeck/src/check/expectation.rs @@ -104,8 +104,8 @@ impl<'a, 'tcx> Expectation<'tcx> { /// for the program to type-check). `only_has_type` will return /// such a constraint, if it exists. pub(super) fn only_has_type(self, fcx: &FnCtxt<'a, 'tcx>) -> Option> { - match self.resolve(fcx) { - ExpectHasType(ty) => Some(ty), + match self { + ExpectHasType(ty) => Some(fcx.resolve_vars_if_possible(ty)), NoExpectation | ExpectCastableToType(_) | ExpectRvalueLikeUnsized(_) | IsLast(_) => { None } diff --git a/compiler/rustc_typeck/src/check/expr.rs b/compiler/rustc_typeck/src/check/expr.rs index 8951c08bd338..60c40da8f319 100644 --- a/compiler/rustc_typeck/src/check/expr.rs +++ b/compiler/rustc_typeck/src/check/expr.rs @@ -6,7 +6,7 @@ use crate::astconv::AstConv as _; use crate::check::cast; use crate::check::coercion::CoerceMany; use crate::check::fatally_break_rust; -use crate::check::method::{probe, MethodError, SelfSource}; +use crate::check::method::SelfSource; use crate::check::report_unexpected_variant_res; use crate::check::BreakableCtxt; use crate::check::Diverges; @@ -30,7 +30,6 @@ use rustc_errors::{pluralize, struct_span_err, Applicability, DiagnosticBuilder, use rustc_hir as hir; use rustc_hir::def::{CtorKind, DefKind, Res}; use rustc_hir::def_id::DefId; -use rustc_hir::lang_items::LangItem; use rustc_hir::{ExprKind, QPath}; use rustc_infer::infer; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; @@ -162,7 +161,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { expr: &'tcx hir::Expr<'tcx>, expected: Expectation<'tcx>, ) -> Ty<'tcx> { - debug!(">> type-checking: expr={:?} expected={:?}", expr, expected); + debug!(">> type-checking: expected={:?}, expr={:?} ", expected, expr); // True if `expr` is a `Try::from_ok(())` that is a result of desugaring a try block // without the final expr (e.g. `try { return; }`). We don't want to generate an @@ -225,7 +224,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { expr: &'tcx hir::Expr<'tcx>, expected: Expectation<'tcx>, ) -> Ty<'tcx> { - debug!("check_expr_kind(expr={:?}, expected={:?})", expr, expected); + debug!("check_expr_kind(expected={:?}, expr={:?})", expected, expr); let tcx = self.tcx; match expr.kind { @@ -461,7 +460,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.resolve_lang_item_path(lang_item, expr.span, expr.hir_id).1 } - fn check_expr_path(&self, qpath: &hir::QPath<'_>, expr: &'tcx hir::Expr<'tcx>) -> Ty<'tcx> { + fn check_expr_path( + &self, + qpath: &'tcx hir::QPath<'tcx>, + expr: &'tcx hir::Expr<'tcx>, + ) -> Ty<'tcx> { let tcx = self.tcx; let (res, opt_ty, segs) = self.resolve_ty_and_res_ufcs(qpath, expr.hir_id, expr.span); let ty = match res { @@ -947,7 +950,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } Err(error) => { if segment.ident.name != kw::Empty { - self.report_extended_method_error(segment, span, args, rcvr_t, error); + if let Some(mut err) = self.report_method_error( + span, + rcvr_t, + segment.ident, + SelfSource::MethodCall(&args[0]), + error, + Some(args), + ) { + err.emit(); + } } Err(()) } @@ -964,59 +976,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) } - fn report_extended_method_error( - &self, - segment: &hir::PathSegment<'_>, - span: Span, - args: &'tcx [hir::Expr<'tcx>], - rcvr_t: Ty<'tcx>, - error: MethodError<'tcx>, - ) { - let rcvr = &args[0]; - let try_alt_rcvr = |err: &mut DiagnosticBuilder<'_>, new_rcvr_t| { - if let Some(new_rcvr_t) = new_rcvr_t { - if let Ok(pick) = self.lookup_probe( - span, - segment.ident, - new_rcvr_t, - rcvr, - probe::ProbeScope::AllTraits, - ) { - debug!("try_alt_rcvr: pick candidate {:?}", pick); - // Make sure the method is defined for the *actual* receiver: - // we don't want to treat `Box` as a receiver if - // it only works because of an autoderef to `&self` - if pick.autoderefs == 0 { - err.span_label( - pick.item.ident.span, - &format!("the method is available for `{}` here", new_rcvr_t), - ); - } - } - } - }; - - if let Some(mut err) = self.report_method_error( - span, - rcvr_t, - segment.ident, - SelfSource::MethodCall(rcvr), - error, - Some(args), - ) { - if let ty::Adt(..) = rcvr_t.kind() { - // Try alternative arbitrary self types that could fulfill this call. - // FIXME: probe for all types that *could* be arbitrary self-types, not - // just this list. - try_alt_rcvr(&mut err, self.tcx.mk_lang_item(rcvr_t, LangItem::OwnedBox)); - try_alt_rcvr(&mut err, self.tcx.mk_lang_item(rcvr_t, LangItem::Pin)); - try_alt_rcvr(&mut err, self.tcx.mk_diagnostic_item(rcvr_t, sym::Arc)); - try_alt_rcvr(&mut err, self.tcx.mk_diagnostic_item(rcvr_t, sym::Rc)); - } - err.emit(); - } - } - fn check_expr_cast( &self, e: &'tcx hir::Expr<'tcx>, @@ -2128,7 +2087,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn check_expr_asm(&self, asm: &'tcx hir::InlineAsm<'tcx>) -> Ty<'tcx> { for (op, _op_sp) in asm.operands { match op { - hir::InlineAsmOperand::In { expr, .. } | hir::InlineAsmOperand::Const { expr } => { + hir::InlineAsmOperand::In { expr, .. } => { self.check_expr_asm_operand(expr, true); } hir::InlineAsmOperand::Out { expr, .. } => { @@ -2145,6 +2104,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.check_expr_asm_operand(out_expr, false); } } + hir::InlineAsmOperand::Const { anon_const } => { + self.to_const(anon_const); + } hir::InlineAsmOperand::Sym { expr } => { self.check_expr(expr); } diff --git a/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs b/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs index e64d8367676b..9ace45504210 100644 --- a/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs +++ b/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs @@ -905,12 +905,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// Resolves an associated value path into a base type and associated constant, or method /// resolution. The newly resolved definition is written into `type_dependent_defs`. - pub fn resolve_ty_and_res_ufcs<'b>( + pub fn resolve_ty_and_res_ufcs( &self, - qpath: &'b QPath<'b>, + qpath: &'tcx QPath<'tcx>, hir_id: hir::HirId, span: Span, - ) -> (Res, Option>, &'b [hir::PathSegment<'b>]) { + ) -> (Res, Option>, &'tcx [hir::PathSegment<'tcx>]) { debug!("resolve_ty_and_res_ufcs: qpath={:?} hir_id={:?} span={:?}", qpath, hir_id, span); let (ty, qself, item_segment) = match *qpath { QPath::Resolved(ref opt_qself, ref path) => { @@ -1462,7 +1462,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { &[][..], has_self, self_ty, - arg_count, + &arg_count, &mut CreateCtorSubstsContext { fcx: self, span, diff --git a/compiler/rustc_typeck/src/check/fn_ctxt/suggestions.rs b/compiler/rustc_typeck/src/check/fn_ctxt/suggestions.rs index bd89c7274e77..c87a808243d0 100644 --- a/compiler/rustc_typeck/src/check/fn_ctxt/suggestions.rs +++ b/compiler/rustc_typeck/src/check/fn_ctxt/suggestions.rs @@ -55,7 +55,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let Some((fn_decl, can_suggest)) = self.get_fn_decl(blk_id) { pointing_at_return_type = self.suggest_missing_return_type(err, &fn_decl, expected, found, can_suggest); - self.suggest_missing_return_expr(err, expr, &fn_decl, expected, found); + let fn_id = self.tcx.hir().get_return_block(blk_id).unwrap(); + self.suggest_missing_return_expr(err, expr, &fn_decl, expected, found, fn_id); } pointing_at_return_type } @@ -204,6 +205,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { found: Ty<'tcx>, expected_ty_expr: Option<&'tcx hir::Expr<'tcx>>, ) { + let expr = expr.peel_blocks(); if let Some((sp, msg, suggestion, applicability)) = self.check_ref(expr, found, expected) { err.span_suggestion(sp, msg, suggestion, applicability); } else if let (ty::FnDef(def_id, ..), true) = @@ -479,6 +481,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn_decl: &hir::FnDecl<'_>, expected: Ty<'tcx>, found: Ty<'tcx>, + id: hir::HirId, ) { if !expected.is_unit() { return; @@ -486,7 +489,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let found = self.resolve_vars_with_obligations(found); if let hir::FnRetTy::Return(ty) = fn_decl.output { let ty = >::ast_ty_to_ty(self, ty); - let ty = self.tcx.erase_late_bound_regions(Binder::bind(ty)); + let bound_vars = self.tcx.late_bound_vars(id); + let ty = self.tcx.erase_late_bound_regions(Binder::bind_with_vars(ty, bound_vars)); let ty = self.normalize_associated_types_in(expr.span, ty); if self.can_coerce(found, ty) { err.multipart_suggestion( diff --git a/compiler/rustc_typeck/src/check/generator_interior.rs b/compiler/rustc_typeck/src/check/generator_interior.rs index 91708465b3f6..e40aa9148585 100644 --- a/compiler/rustc_typeck/src/check/generator_interior.rs +++ b/compiler/rustc_typeck/src/check/generator_interior.rs @@ -186,7 +186,10 @@ pub fn resolve_interior<'a, 'tcx>( // which means that none of the regions inside relate to any other, even if // typeck had previously found constraints that would cause them to be related. let folded = fcx.tcx.fold_regions(erased, &mut false, |_, current_depth| { - let br = ty::BoundRegion { kind: ty::BrAnon(counter) }; + let br = ty::BoundRegion { + var: ty::BoundVar::from_u32(counter), + kind: ty::BrAnon(counter), + }; let r = fcx.tcx.mk_region(ty::ReLateBound(current_depth, br)); counter += 1; r @@ -202,11 +205,15 @@ pub fn resolve_interior<'a, 'tcx>( // Extract type components to build the witness type. let type_list = fcx.tcx.mk_type_list(type_causes.iter().map(|cause| cause.ty)); - let witness = fcx.tcx.mk_generator_witness(ty::Binder::bind(type_list)); + let bound_vars = fcx.tcx.mk_bound_variable_kinds( + (0..counter).map(|i| ty::BoundVariableKind::Region(ty::BrAnon(i))), + ); + let witness = + fcx.tcx.mk_generator_witness(ty::Binder::bind_with_vars(type_list, bound_vars.clone())); // Store the generator types and spans into the typeck results for this generator. visitor.fcx.inh.typeck_results.borrow_mut().generator_interior_types = - ty::Binder::bind(type_causes); + ty::Binder::bind_with_vars(type_causes, bound_vars); debug!( "types in generator after region replacement {:?}, span = {:?}", diff --git a/compiler/rustc_typeck/src/check/intrinsic.rs b/compiler/rustc_typeck/src/check/intrinsic.rs index 990ed5abdbfc..303a77507cf7 100644 --- a/compiler/rustc_typeck/src/check/intrinsic.rs +++ b/compiler/rustc_typeck/src/check/intrinsic.rs @@ -101,12 +101,21 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { let intrinsic_name = tcx.item_name(it.def_id.to_def_id()); let name_str = intrinsic_name.as_str(); + let bound_vars = tcx.mk_bound_variable_kinds( + [ty::BoundVariableKind::Region(ty::BrAnon(0)), ty::BoundVariableKind::Region(ty::BrEnv)] + .iter() + .copied(), + ); let mk_va_list_ty = |mutbl| { tcx.lang_items().va_list().map(|did| { - let region = tcx - .mk_region(ty::ReLateBound(ty::INNERMOST, ty::BoundRegion { kind: ty::BrAnon(0) })); - let env_region = - tcx.mk_region(ty::ReLateBound(ty::INNERMOST, ty::BoundRegion { kind: ty::BrEnv })); + let region = tcx.mk_region(ty::ReLateBound( + ty::INNERMOST, + ty::BoundRegion { var: ty::BoundVar::from_u32(0), kind: ty::BrAnon(0) }, + )); + let env_region = tcx.mk_region(ty::ReLateBound( + ty::INNERMOST, + ty::BoundRegion { var: ty::BoundVar::from_u32(1), kind: ty::BrEnv }, + )); let va_list_ty = tcx.type_of(did).subst(tcx, &[region.into()]); (tcx.mk_ref(env_region, ty::TypeAndMut { ty: va_list_ty, mutbl }), va_list_ty) }) @@ -305,7 +314,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { tcx.associated_items(tcx.lang_items().discriminant_kind_trait().unwrap()); let discriminant_def_id = assoc_items.in_definition_order().next().unwrap().def_id; - let br = ty::BoundRegion { kind: ty::BrAnon(0) }; + let br = ty::BoundRegion { var: ty::BoundVar::from_u32(0), kind: ty::BrAnon(0) }; ( 1, vec![ @@ -366,7 +375,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { (n_tps, inputs, output, unsafety) }; let sig = tcx.mk_fn_sig(inputs.into_iter(), output, false, unsafety, Abi::RustIntrinsic); - let sig = ty::Binder::bind(sig); + let sig = ty::Binder::bind_with_vars(sig, bound_vars); equate_intrinsic_type(tcx, it, n_tps, sig) } diff --git a/compiler/rustc_typeck/src/check/method/confirm.rs b/compiler/rustc_typeck/src/check/method/confirm.rs index fff659a91adf..f546a0d89635 100644 --- a/compiler/rustc_typeck/src/check/method/confirm.rs +++ b/compiler/rustc_typeck/src/check/method/confirm.rs @@ -119,7 +119,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { // We won't add these if we encountered an illegal sized bound, so that we can use // a custom error in that case. if illegal_sized_bound.is_none() { - let method_ty = self.tcx.mk_fn_ptr(ty::Binder::bind(method_sig)); + let method_ty = self.tcx.mk_fn_ptr(ty::Binder::bind(method_sig, self.tcx)); self.add_obligations(method_ty, all_substs, method_predicates); } @@ -381,7 +381,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { parent_substs, false, None, - arg_count_correct, + &arg_count_correct, &mut MethodSubstsCtxt { cfcx: self, pick, seg }, ) } @@ -550,7 +550,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { upcast_trait_refs.into_iter().next().unwrap() } - fn replace_bound_vars_with_fresh_vars(&self, value: ty::Binder) -> T + fn replace_bound_vars_with_fresh_vars(&self, value: ty::Binder<'tcx, T>) -> T where T: TypeFoldable<'tcx>, { diff --git a/compiler/rustc_typeck/src/check/method/mod.rs b/compiler/rustc_typeck/src/check/method/mod.rs index d6fa6bf0067f..bd7ffd057b46 100644 --- a/compiler/rustc_typeck/src/check/method/mod.rs +++ b/compiler/rustc_typeck/src/check/method/mod.rs @@ -45,6 +45,7 @@ pub struct MethodCallee<'tcx> { pub sig: ty::FnSig<'tcx>, } +#[derive(Debug)] pub enum MethodError<'tcx> { // Did not find an applicable method, but we did find various near-misses that may work. NoMatch(NoMatchData<'tcx>), @@ -66,6 +67,7 @@ pub enum MethodError<'tcx> { // Contains a list of static methods that may apply, a list of unsatisfied trait predicates which // could lead to matches if satisfied, and a list of not-in-scope traits which may work. +#[derive(Debug)] pub struct NoMatchData<'tcx> { pub static_candidates: Vec, pub unsatisfied_predicates: Vec<(ty::Predicate<'tcx>, Option>)>, @@ -397,7 +399,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { obligations.extend(traits::predicates_for_generics(cause.clone(), self.param_env, bounds)); // Also add an obligation for the method type being well-formed. - let method_ty = tcx.mk_fn_ptr(ty::Binder::bind(fn_sig)); + let method_ty = tcx.mk_fn_ptr(ty::Binder::bind(fn_sig, tcx)); debug!( "lookup_in_trait_adjusted: matched method method_ty={:?} obligation={:?}", method_ty, obligation diff --git a/compiler/rustc_typeck/src/check/method/probe.rs b/compiler/rustc_typeck/src/check/method/probe.rs index 0742549f8904..15342235d488 100644 --- a/compiler/rustc_typeck/src/check/method/probe.rs +++ b/compiler/rustc_typeck/src/check/method/probe.rs @@ -83,6 +83,8 @@ struct ProbeContext<'a, 'tcx> { unsatisfied_predicates: Vec<(ty::Predicate<'tcx>, Option>)>, is_suggestion: IsSuggestion, + + scope_expr_id: hir::HirId, } impl<'a, 'tcx> Deref for ProbeContext<'a, 'tcx> { @@ -448,6 +450,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { orig_values, steps.steps, is_suggestion, + scope_expr_id, ); probe_cx.assemble_inherent_candidates(); @@ -547,6 +550,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { orig_steps_var_values: OriginalQueryValues<'tcx>, steps: Lrc>>, is_suggestion: IsSuggestion, + scope_expr_id: hir::HirId, ) -> ProbeContext<'a, 'tcx> { ProbeContext { fcx, @@ -564,6 +568,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { private_candidate: None, unsatisfied_predicates: Vec::new(), is_suggestion, + scope_expr_id, } } @@ -1312,7 +1317,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { ) { self.tcx.struct_span_lint_hir( lint::builtin::UNSTABLE_NAME_COLLISIONS, - self.fcx.body_id, + self.scope_expr_id, self.span, |lint| { let def_kind = stable_pick.item.kind.as_def_kind(); @@ -1594,6 +1599,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { self.orig_steps_var_values.clone(), steps, IsSuggestion(true), + self.scope_expr_id, ); pcx.allow_similar_names = true; pcx.assemble_inherent_candidates(); @@ -1753,7 +1759,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { /// region got replaced with the same variable, which requires a bit more coordination /// and/or tracking the substitution and /// so forth. - fn erase_late_bound_regions(&self, value: ty::Binder) -> T + fn erase_late_bound_regions(&self, value: ty::Binder<'tcx, T>) -> T where T: TypeFoldable<'tcx>, { @@ -1762,7 +1768,9 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { /// Finds the method with the appropriate name (or return type, as the case may be). If /// `allow_similar_names` is set, find methods with close-matching names. - fn impl_or_trait_item(&self, def_id: DefId) -> Vec { + // The length of the returned iterator is nearly always 0 or 1 and this + // method is fairly hot. + fn impl_or_trait_item(&self, def_id: DefId) -> SmallVec<[ty::AssocItem; 1]> { if let Some(name) = self.method_name { if self.allow_similar_names { let max_dist = max(name.as_str().len(), 3) / 3; @@ -1778,7 +1786,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } else { self.fcx .associated_item(def_id, name, Namespace::ValueNS) - .map_or_else(Vec::new, |x| vec![x]) + .map_or_else(SmallVec::new, |x| SmallVec::from_buf([x])) } } else { self.tcx.associated_items(def_id).in_definition_order().copied().collect() diff --git a/compiler/rustc_typeck/src/check/method/suggest.rs b/compiler/rustc_typeck/src/check/method/suggest.rs index 13757ac41325..02fe8312c4c1 100644 --- a/compiler/rustc_typeck/src/check/method/suggest.rs +++ b/compiler/rustc_typeck/src/check/method/suggest.rs @@ -68,12 +68,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - pub fn report_method_error<'b>( + pub fn report_method_error( &self, span: Span, rcvr_ty: Ty<'tcx>, item_name: Ident, - source: SelfSource<'b>, + source: SelfSource<'tcx>, error: MethodError<'tcx>, args: Option<&'tcx [hir::Expr<'tcx>]>, ) -> Option> { @@ -323,8 +323,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { err.span_suggestion( lit.span, &format!( - "you must specify a concrete type for \ - this numeric value, like `{}`", + "you must specify a concrete type for this numeric value, \ + like `{}`", concrete_type ), format!("{}_{}", snippet, concrete_type), @@ -975,17 +975,79 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - fn suggest_traits_to_import<'b>( + fn suggest_traits_to_import( &self, err: &mut DiagnosticBuilder<'_>, span: Span, rcvr_ty: Ty<'tcx>, item_name: Ident, - source: SelfSource<'b>, + source: SelfSource<'tcx>, valid_out_of_scope_traits: Vec, unsatisfied_predicates: &[(ty::Predicate<'tcx>, Option>)], ) { - if self.suggest_valid_traits(err, valid_out_of_scope_traits) { + let mut alt_rcvr_sugg = false; + if let SelfSource::MethodCall(rcvr) = source { + debug!(?span, ?item_name, ?rcvr_ty, ?rcvr); + // Try alternative arbitrary self types that could fulfill this call. + // FIXME: probe for all types that *could* be arbitrary self-types, not + // just this list. + for (rcvr_ty, post) in &[ + (rcvr_ty, ""), + (self.tcx.mk_mut_ref(&ty::ReErased, rcvr_ty), "&mut "), + (self.tcx.mk_imm_ref(&ty::ReErased, rcvr_ty), "&"), + ] { + for (rcvr_ty, pre) in &[ + (self.tcx.mk_lang_item(rcvr_ty, LangItem::OwnedBox), "Box::new"), + (self.tcx.mk_lang_item(rcvr_ty, LangItem::Pin), "Pin::new"), + (self.tcx.mk_diagnostic_item(rcvr_ty, sym::Arc), "Arc::new"), + (self.tcx.mk_diagnostic_item(rcvr_ty, sym::Rc), "Rc::new"), + ] { + if let Some(new_rcvr_t) = *rcvr_ty { + if let Ok(pick) = self.lookup_probe( + span, + item_name, + new_rcvr_t, + rcvr, + crate::check::method::probe::ProbeScope::AllTraits, + ) { + debug!("try_alt_rcvr: pick candidate {:?}", pick); + let did = Some(pick.item.container.id()); + // We don't want to suggest a container type when the missing + // method is `.clone()` or `.deref()` otherwise we'd suggest + // `Arc::new(foo).clone()`, which is far from what the user wants. + let skip = [ + self.tcx.lang_items().clone_trait(), + self.tcx.lang_items().deref_trait(), + self.tcx.lang_items().deref_mut_trait(), + self.tcx.lang_items().drop_trait(), + ] + .contains(&did); + // Make sure the method is defined for the *actual* receiver: we don't + // want to treat `Box` as a receiver if it only works because of + // an autoderef to `&self` + if pick.autoderefs == 0 && !skip { + err.span_label( + pick.item.ident.span, + &format!("the method is available for `{}` here", new_rcvr_t), + ); + err.multipart_suggestion( + "consider wrapping the receiver expression with the \ + appropriate type", + vec![ + (rcvr.span.shrink_to_lo(), format!("{}({}", pre, post)), + (rcvr.span.shrink_to_hi(), ")".to_string()), + ], + Applicability::MaybeIncorrect, + ); + // We don't care about the other suggestions. + alt_rcvr_sugg = true; + } + } + } + } + } + } + if !alt_rcvr_sugg && self.suggest_valid_traits(err, valid_out_of_scope_traits) { return; } @@ -1075,6 +1137,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { "the method might not be found because of this arbitrary self type", ); } + if alt_rcvr_sugg { + return; + } if !candidates.is_empty() { // Sort from most relevant to least relevant. @@ -1284,7 +1349,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// Checks whether there is a local type somewhere in the chain of /// autoderefs of `rcvr_ty`. - fn type_derefs_to_local(&self, span: Span, rcvr_ty: Ty<'tcx>, source: SelfSource<'_>) -> bool { + fn type_derefs_to_local( + &self, + span: Span, + rcvr_ty: Ty<'tcx>, + source: SelfSource<'tcx>, + ) -> bool { fn is_local(ty: Ty<'_>) -> bool { match ty.kind() { ty::Adt(def, _) => def.did.is_local(), @@ -1310,7 +1380,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } -#[derive(Copy, Clone)] +#[derive(Copy, Clone, Debug)] pub enum SelfSource<'a> { QPath(&'a hir::Ty<'a>), MethodCall(&'a hir::Expr<'a> /* rcvr */), diff --git a/compiler/rustc_typeck/src/check/mod.rs b/compiler/rustc_typeck/src/check/mod.rs index ad9bb7037796..80e173de6b6e 100644 --- a/compiler/rustc_typeck/src/check/mod.rs +++ b/compiler/rustc_typeck/src/check/mod.rs @@ -497,6 +497,7 @@ fn typeck_with_fallback<'tcx>( let fcx = FnCtxt::new(&inh, param_env, body.value.hir_id); >::ty_of_fn( &fcx, + id, header.unsafety, header.abi, decl, @@ -539,6 +540,19 @@ fn typeck_with_fallback<'tcx>( kind: TypeVariableOriginKind::TypeInference, span, }), + Node::Expr(&hir::Expr { kind: hir::ExprKind::InlineAsm(ia), .. }) + if ia.operands.iter().any(|(op, _op_sp)| match op { + hir::InlineAsmOperand::Const { anon_const } => { + anon_const.hir_id == id + } + _ => false, + }) => + { + fcx.next_ty_var(TypeVariableOrigin { + kind: TypeVariableOriginKind::MiscVariable, + span, + }) + } _ => fallback(), }, _ => fallback(), diff --git a/compiler/rustc_typeck/src/check/pat.rs b/compiler/rustc_typeck/src/check/pat.rs index 79c544bd3860..53593b9bab4b 100644 --- a/compiler/rustc_typeck/src/check/pat.rs +++ b/compiler/rustc_typeck/src/check/pat.rs @@ -861,7 +861,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn check_pat_tuple_struct( &self, pat: &'tcx Pat<'tcx>, - qpath: &hir::QPath<'_>, + qpath: &'tcx hir::QPath<'tcx>, subpats: &'tcx [&'tcx Pat<'tcx>], ddpos: Option, expected: Ty<'tcx>, diff --git a/compiler/rustc_typeck/src/check/upvar.rs b/compiler/rustc_typeck/src/check/upvar.rs index 91021b3f6f58..6f8dd39958c0 100644 --- a/compiler/rustc_typeck/src/check/upvar.rs +++ b/compiler/rustc_typeck/src/check/upvar.rs @@ -34,6 +34,7 @@ use super::FnCtxt; use crate::expr_use_visitor as euv; use rustc_data_structures::fx::FxIndexMap; +use rustc_errors::Applicability; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_hir::def_id::LocalDefId; @@ -91,7 +92,7 @@ impl<'a, 'tcx> Visitor<'tcx> for InferBorrowKindVisitor<'a, 'tcx> { if let hir::ExprKind::Closure(cc, _, body_id, _, _) = expr.kind { let body = self.fcx.tcx.hir().body(body_id); self.visit_body(body); - self.fcx.analyze_closure(expr.hir_id, expr.span, body, cc); + self.fcx.analyze_closure(expr.hir_id, expr.span, body_id, body, cc); } intravisit::walk_expr(self, expr); @@ -104,6 +105,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { &self, closure_hir_id: hir::HirId, span: Span, + body_id: hir::BodyId, body: &'tcx hir::Body<'tcx>, capture_clause: hir::CaptureBy, ) { @@ -167,7 +169,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let closure_hir_id = self.tcx.hir().local_def_id_to_hir_id(local_def_id); if should_do_migration_analysis(self.tcx, closure_hir_id) { - self.perform_2229_migration_anaysis(closure_def_id, capture_clause, span); + self.perform_2229_migration_anaysis(closure_def_id, body_id, capture_clause, span); } // We now fake capture information for all variables that are mentioned within the closure @@ -465,6 +467,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn perform_2229_migration_anaysis( &self, closure_def_id: DefId, + body_id: hir::BodyId, capture_clause: hir::CaptureBy, span: Span, ) { @@ -476,7 +479,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); if !need_migrations.is_empty() { - let migrations_text = migration_suggestion_for_2229(self.tcx, &need_migrations); + let (migration_string, migrated_variables_concat) = + migration_suggestion_for_2229(self.tcx, &need_migrations); let local_def_id = closure_def_id.expect_local(); let closure_hir_id = self.tcx.hir().local_def_id_to_hir_id(local_def_id); @@ -488,7 +492,35 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let mut diagnostics_builder = lint.build( "drop order affected for closure because of `capture_disjoint_fields`", ); - diagnostics_builder.note(&migrations_text); + let closure_body_span = self.tcx.hir().span(body_id.hir_id); + let (sugg, app) = + match self.tcx.sess.source_map().span_to_snippet(closure_body_span) { + Ok(s) => { + let trimmed = s.trim_start(); + + // If the closure contains a block then replace the opening brace + // with "{ let _ = (..); " + let sugg = if let Some('{') = trimmed.chars().next() { + format!("{{ {}; {}", migration_string, &trimmed[1..]) + } else { + format!("{{ {}; {} }}", migration_string, s) + }; + (sugg, Applicability::MachineApplicable) + } + Err(_) => (migration_string.clone(), Applicability::HasPlaceholders), + }; + + let diagnostic_msg = format!( + "add a dummy let to cause {} to be fully captured", + migrated_variables_concat + ); + + diagnostics_builder.span_suggestion( + closure_body_span, + &diagnostic_msg, + sugg, + app, + ); diagnostics_builder.emit(); }, ); @@ -621,7 +653,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// `w[c]`. /// Notation: /// - Ty(place): Type of place - /// - `(a, b)`: Represents the function parameters `base_path_ty` and `captured_projs` + /// - `(a, b)`: Represents the function parameters `base_path_ty` and `captured_by_move_projs` /// respectively. /// ``` /// (Ty(w), [ &[p, x], &[c] ]) @@ -682,7 +714,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { closure_def_id: DefId, closure_span: Span, base_path_ty: Ty<'tcx>, - captured_projs: Vec<&[Projection<'tcx>]>, + captured_by_move_projs: Vec<&[Projection<'tcx>]>, ) -> bool { let needs_drop = |ty: Ty<'tcx>| { ty.needs_drop(self.tcx, self.tcx.param_env(closure_def_id.expect_local())) @@ -707,9 +739,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // // eg. If `a.b` is captured and we are processing `a.b`, then we can't have the closure also // capture `a.b.c`, because that voilates min capture. - let is_completely_captured = captured_projs.iter().any(|projs| projs.is_empty()); + let is_completely_captured = captured_by_move_projs.iter().any(|projs| projs.is_empty()); - assert!(!is_completely_captured || (captured_projs.len() == 1)); + assert!(!is_completely_captured || (captured_by_move_projs.len() == 1)); if is_completely_captured { // The place is captured entirely, so doesn't matter if needs dtor, it will be drop @@ -717,23 +749,27 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { return false; } + if captured_by_move_projs.is_empty() { + return needs_drop(base_path_ty); + } + if is_drop_defined_for_ty { // If drop is implemented for this type then we need it to be fully captured, - // which we know it is not because of the previous check. Therefore we need to - // do migrate. - return true; - } + // and we know it is not completely captured because of the previous checks. - if captured_projs.is_empty() { - return needs_drop(base_path_ty); + // Note that this is a bug in the user code that will be reported by the + // borrow checker, since we can't move out of drop types. + + // The bug exists in the user's code pre-migration, and we don't migrate here. + return false; } match base_path_ty.kind() { // Observations: - // - `captured_projs` is not empty. Therefore we can call - // `captured_projs.first().unwrap()` safely. - // - All entries in `captured_projs` have atleast one projection. - // Therefore we can call `captured_projs.first().unwrap().first().unwrap()` safely. + // - `captured_by_move_projs` is not empty. Therefore we can call + // `captured_by_move_projs.first().unwrap()` safely. + // - All entries in `captured_by_move_projs` have atleast one projection. + // Therefore we can call `captured_by_move_projs.first().unwrap().first().unwrap()` safely. // We don't capture derefs in case of move captures, which would have be applied to // access any further paths. @@ -743,19 +779,19 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ty::Adt(def, substs) => { // Multi-varaint enums are captured in entirety, - // which would've been handled in the case of single empty slice in `captured_projs`. + // which would've been handled in the case of single empty slice in `captured_by_move_projs`. assert_eq!(def.variants.len(), 1); // Only Field projections can be applied to a non-box Adt. assert!( - captured_projs.iter().all(|projs| matches!( + captured_by_move_projs.iter().all(|projs| matches!( projs.first().unwrap().kind, ProjectionKind::Field(..) )) ); def.variants.get(VariantIdx::new(0)).unwrap().fields.iter().enumerate().any( |(i, field)| { - let paths_using_field = captured_projs + let paths_using_field = captured_by_move_projs .iter() .filter_map(|projs| { if let ProjectionKind::Field(field_idx, _) = @@ -782,14 +818,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ty::Tuple(..) => { // Only Field projections can be applied to a tuple. assert!( - captured_projs.iter().all(|projs| matches!( + captured_by_move_projs.iter().all(|projs| matches!( projs.first().unwrap().kind, ProjectionKind::Field(..) )) ); base_path_ty.tuple_fields().enumerate().any(|(i, element_ty)| { - let paths_using_field = captured_projs + let paths_using_field = captured_by_move_projs .iter() .filter_map(|projs| { if let ProjectionKind::Field(field_idx, _) = projs.first().unwrap().kind @@ -1515,12 +1551,29 @@ fn should_do_migration_analysis(tcx: TyCtxt<'_>, closure_id: hir::HirId) -> bool !matches!(level, lint::Level::Allow) } -fn migration_suggestion_for_2229(tcx: TyCtxt<'_>, need_migrations: &Vec) -> String { - let need_migrations_strings = - need_migrations.iter().map(|v| format!("{}", var_name(tcx, *v))).collect::>(); - let migrations_list_concat = need_migrations_strings.join(", "); +/// Return a two string tuple (s1, s2) +/// - s1: Line of code that is needed for the migration: eg: `let _ = (&x, ...)`. +/// - s2: Comma separated names of the variables being migrated. +fn migration_suggestion_for_2229( + tcx: TyCtxt<'_>, + need_migrations: &Vec, +) -> (String, String) { + let need_migrations_variables = + need_migrations.iter().map(|v| var_name(tcx, *v)).collect::>(); + + let migration_ref_concat = + need_migrations_variables.iter().map(|v| format!("&{}", v)).collect::>().join(", "); + + let migration_string = if 1 == need_migrations.len() { + format!("let _ = {}", migration_ref_concat) + } else { + format!("let _ = ({})", migration_ref_concat) + }; + + let migrated_variables_concat = + need_migrations_variables.iter().map(|v| format!("`{}`", v)).collect::>().join(", "); - format!("drop(&({}));", migrations_list_concat) + (migration_string, migrated_variables_concat) } /// Helper function to determine if we need to escalate CaptureKind from diff --git a/compiler/rustc_typeck/src/check/wfcheck.rs b/compiler/rustc_typeck/src/check/wfcheck.rs index e7e603c8bd51..887cc42a1dd2 100644 --- a/compiler/rustc_typeck/src/check/wfcheck.rs +++ b/compiler/rustc_typeck/src/check/wfcheck.rs @@ -1067,13 +1067,14 @@ fn check_method_receiver<'fcx, 'tcx>( debug!("check_method_receiver: sig={:?}", sig); let self_ty = fcx.normalize_associated_types_in(span, self_ty); - let self_ty = fcx.tcx.liberate_late_bound_regions(method.def_id, ty::Binder::bind(self_ty)); + let self_ty = + fcx.tcx.liberate_late_bound_regions(method.def_id, ty::Binder::bind(self_ty, fcx.tcx)); let receiver_ty = sig.inputs()[0]; let receiver_ty = fcx.normalize_associated_types_in(span, receiver_ty); let receiver_ty = - fcx.tcx.liberate_late_bound_regions(method.def_id, ty::Binder::bind(receiver_ty)); + fcx.tcx.liberate_late_bound_regions(method.def_id, ty::Binder::bind(receiver_ty, fcx.tcx)); if fcx.tcx.features().arbitrary_self_types { if !receiver_is_valid(fcx, span, receiver_ty, self_ty, true) { diff --git a/compiler/rustc_typeck/src/collect.rs b/compiler/rustc_typeck/src/collect.rs index 9b3a933beb13..1477418d5d8c 100644 --- a/compiler/rustc_typeck/src/collect.rs +++ b/compiler/rustc_typeck/src/collect.rs @@ -15,6 +15,8 @@ //! At present, however, we do run collection across all items in the //! crate as a kind of pass. This should eventually be factored away. +// ignore-tidy-filelength + use crate::astconv::{AstConv, SizedByDefault}; use crate::bounds::Bounds; use crate::check::intrinsic::intrinsic_operation_unsafety; @@ -43,12 +45,11 @@ use rustc_middle::ty::util::Discr; use rustc_middle::ty::util::IntTypeExt; use rustc_middle::ty::{self, AdtKind, Const, DefIdTree, ToPolyTraitRef, Ty, TyCtxt}; use rustc_middle::ty::{ReprOptions, ToPredicate, WithConstness}; -use rustc_session::config::SanitizerSet; use rustc_session::lint; use rustc_session::parse::feature_err; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{Span, DUMMY_SP}; -use rustc_target::spec::abi; +use rustc_target::spec::{abi, SanitizerSet}; use rustc_trait_selection::traits::error_reporting::suggestions::NextTypeParamName; use std::iter; @@ -735,8 +736,14 @@ fn convert_item(tcx: TyCtxt<'_>, item_id: hir::ItemId) { tcx.ensure().generics_of(item.def_id); tcx.ensure().type_of(item.def_id); tcx.ensure().predicates_of(item.def_id); - if let hir::ForeignItemKind::Fn(..) = item.kind { - tcx.ensure().fn_sig(item.def_id); + match item.kind { + hir::ForeignItemKind::Fn(..) => tcx.ensure().fn_sig(item.def_id), + hir::ForeignItemKind::Static(..) => { + let mut visitor = PlaceholderHirTyCollector::default(); + visitor.visit_foreign_item(item); + placeholder_type_error(tcx, None, &[], visitor.0, false, None); + } + _ => (), } } } @@ -1244,7 +1251,8 @@ fn has_late_bound_regions<'tcx>(tcx: TyCtxt<'tcx>, node: Node<'tcx>) -> Option {} Some( - rl::Region::LateBound(debruijn, _, _) | rl::Region::LateBoundAnon(debruijn, _), + rl::Region::LateBound(debruijn, _, _, _) + | rl::Region::LateBoundAnon(debruijn, _, _), ) if debruijn < self.outer_index => {} Some( rl::Region::LateBound(..) @@ -1707,10 +1715,11 @@ fn fn_sig(tcx: TyCtxt<'_>, def_id: DefId) -> ty::PolyFnSig<'_> { } diag.emit(); - ty::Binder::bind(fn_sig) + ty::Binder::bind(fn_sig, tcx) } None => >::ty_of_fn( &icx, + hir_id, sig.header.unsafety, sig.header.abi, &sig.decl, @@ -1728,6 +1737,7 @@ fn fn_sig(tcx: TyCtxt<'_>, def_id: DefId) -> ty::PolyFnSig<'_> { .. }) => >::ty_of_fn( &icx, + hir_id, header.unsafety, header.abi, decl, @@ -1749,13 +1759,10 @@ fn fn_sig(tcx: TyCtxt<'_>, def_id: DefId) -> ty::PolyFnSig<'_> { let ty = tcx.type_of(tcx.hir().get_parent_did(hir_id).to_def_id()); let inputs = data.fields().iter().map(|f| tcx.type_of(tcx.hir().local_def_id(f.hir_id))); - ty::Binder::bind(tcx.mk_fn_sig( - inputs, - ty, - false, - hir::Unsafety::Normal, - abi::Abi::Rust, - )) + ty::Binder::bind( + tcx.mk_fn_sig(inputs, ty, false, hir::Unsafety::Normal, abi::Abi::Rust), + tcx, + ) } Expr(&hir::Expr { kind: hir::ExprKind::Closure(..), .. }) => { @@ -2039,7 +2046,7 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP param.bounds.iter().for_each(|bound| match bound { hir::GenericBound::Outlives(lt) => { let bound = >::ast_region_to_region(&icx, <, None); - let outlives = ty::Binder::bind(ty::OutlivesPredicate(region, bound)); + let outlives = ty::Binder::bind(ty::OutlivesPredicate(region, bound), tcx); predicates.insert((outlives.to_predicate(tcx), lt.span)); } _ => bug!(), @@ -2084,6 +2091,7 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP match predicate { hir::WherePredicate::BoundPredicate(bound_pred) => { let ty = icx.to_ty(&bound_pred.bounded_ty); + let bound_vars = icx.tcx.late_bound_vars(bound_pred.bounded_ty.hir_id); // Keep the type around in a dummy predicate, in case of no bounds. // That way, `where Ty:` is not a complete noop (see #53696) and `Ty` @@ -2099,9 +2107,13 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP } else { let span = bound_pred.bounded_ty.span; let re_root_empty = tcx.lifetimes.re_root_empty; - let predicate = ty::Binder::bind(ty::PredicateKind::TypeOutlives( - ty::OutlivesPredicate(ty, re_root_empty), - )); + let predicate = ty::Binder::bind_with_vars( + ty::PredicateKind::TypeOutlives(ty::OutlivesPredicate( + ty, + re_root_empty, + )), + bound_vars, + ); predicates.insert((predicate.to_predicate(tcx), span)); } } @@ -2118,10 +2130,12 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP let mut bounds = Bounds::default(); let _ = >::instantiate_poly_trait_ref( &icx, - &poly_trait_ref, + &poly_trait_ref.trait_ref, + poly_trait_ref.span, constness, ty, &mut bounds, + false, ); predicates.extend(bounds.predicates(tcx, ty)); } @@ -2144,9 +2158,12 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP let region = >::ast_region_to_region(&icx, lifetime, None); predicates.insert(( - ty::Binder::bind(ty::PredicateKind::TypeOutlives( - ty::OutlivesPredicate(ty, region), - )) + ty::Binder::bind_with_vars( + ty::PredicateKind::TypeOutlives(ty::OutlivesPredicate( + ty, region, + )), + bound_vars, + ) .to_predicate(tcx), lifetime.span, )); @@ -2368,7 +2385,14 @@ fn predicates_from_bound<'tcx>( }; let mut bounds = Bounds::default(); - let _ = astconv.instantiate_poly_trait_ref(tr, constness, param_ty, &mut bounds); + let _ = astconv.instantiate_poly_trait_ref( + &tr.trait_ref, + tr.span, + constness, + param_ty, + &mut bounds, + false, + ); bounds.predicates(astconv.tcx(), param_ty) } hir::GenericBound::LangItemTrait(lang_item, span, hir_id, args) => { @@ -2404,8 +2428,10 @@ fn compute_sig_of_foreign_fn_decl<'tcx>( } else { hir::Unsafety::Unsafe }; + let hir_id = tcx.hir().local_def_id_to_hir_id(def_id.expect_local()); let fty = >::ty_of_fn( &ItemCtxt::new(tcx, def_id), + hir_id, unsafety, abi, decl, @@ -2865,6 +2891,36 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, id: DefId) -> CodegenFnAttrs { None } }; + } else if tcx.sess.check_name(attr, sym::repr) { + codegen_fn_attrs.alignment = match attr.meta_item_list() { + Some(items) => match items.as_slice() { + [item] => match item.name_value_literal() { + Some((sym::align, literal)) => { + let alignment = rustc_attr::parse_alignment(&literal.kind); + + match alignment { + Ok(align) => Some(align), + Err(msg) => { + struct_span_err!( + tcx.sess.diagnostic(), + attr.span, + E0589, + "invalid `repr(align)` attribute: {}", + msg + ) + .emit(); + + None + } + } + } + _ => None, + }, + [] => None, + _ => None, + }, + None => None, + }; } } @@ -2890,17 +2946,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, id: DefId) -> CodegenFnAttrs { .emit(); InlineAttr::None } else if list_contains_name(&items[..], sym::always) { - if tcx.sess.instrument_coverage() { - // Fixes Issue #82875. Forced inlining allows LLVM to discard functions - // marked with `#[inline(always)]`, which can break coverage reporting if - // that function was referenced from a coverage map. - // - // FIXME(#83429): Is there a better place, e.g., in codegen, to check and - // convert `Always` to `Hint`? - InlineAttr::Hint - } else { - InlineAttr::Always - } + InlineAttr::Always } else if list_contains_name(&items[..], sym::never) { InlineAttr::Never } else { diff --git a/compiler/rustc_typeck/src/collect/type_of.rs b/compiler/rustc_typeck/src/collect/type_of.rs index a05cc36fd4c1..d8eea1ad80b0 100644 --- a/compiler/rustc_typeck/src/collect/type_of.rs +++ b/compiler/rustc_typeck/src/collect/type_of.rs @@ -430,6 +430,15 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { tcx.typeck(def_id).node_type(anon_const.hir_id) } + Node::Expr(&Expr { kind: ExprKind::InlineAsm(ia), .. }) + if ia.operands.iter().any(|(op, _op_sp)| match op { + hir::InlineAsmOperand::Const { anon_const } => anon_const.hir_id == hir_id, + _ => false, + }) => + { + tcx.typeck(def_id).node_type(hir_id) + } + Node::Variant(Variant { disr_expr: Some(ref e), .. }) if e.hir_id == hir_id => tcx .adt_def(tcx.hir().get_parent_did(hir_id).to_def_id()) .repr diff --git a/compiler/rustc_typeck/src/expr_use_visitor.rs b/compiler/rustc_typeck/src/expr_use_visitor.rs index ab286bacd818..837fd3447ea0 100644 --- a/compiler/rustc_typeck/src/expr_use_visitor.rs +++ b/compiler/rustc_typeck/src/expr_use_visitor.rs @@ -280,9 +280,14 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { if needs_to_be_read { self.borrow_expr(&discr, ty::ImmBorrow); } else { + let closure_def_id = match discr_place.place.base { + PlaceBase::Upvar(upvar_id) => Some(upvar_id.closure_expr_id.to_def_id()), + _ => None, + }; + self.delegate.fake_read( discr_place.place.clone(), - FakeReadCause::ForMatchedPlace, + FakeReadCause::ForMatchedPlace(closure_def_id), discr_place.hir_id, ); @@ -313,7 +318,6 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { for (op, _op_sp) in asm.operands { match op { hir::InlineAsmOperand::In { expr, .. } - | hir::InlineAsmOperand::Const { expr, .. } | hir::InlineAsmOperand::Sym { expr, .. } => self.consume_expr(expr), hir::InlineAsmOperand::Out { expr, .. } => { if let Some(expr) = expr { @@ -329,6 +333,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { self.mutate_expr(out_expr); } } + hir::InlineAsmOperand::Const { .. } => {} } } } @@ -578,9 +583,14 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { } fn walk_arm(&mut self, discr_place: &PlaceWithHirId<'tcx>, arm: &hir::Arm<'_>) { + let closure_def_id = match discr_place.place.base { + PlaceBase::Upvar(upvar_id) => Some(upvar_id.closure_expr_id.to_def_id()), + _ => None, + }; + self.delegate.fake_read( discr_place.place.clone(), - FakeReadCause::ForMatchedPlace, + FakeReadCause::ForMatchedPlace(closure_def_id), discr_place.hir_id, ); self.walk_pat(discr_place, &arm.pat); @@ -595,9 +605,14 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { /// Walks a pat that occurs in isolation (i.e., top-level of fn argument or /// let binding, and *not* a match arm or nested pat.) fn walk_irrefutable_pat(&mut self, discr_place: &PlaceWithHirId<'tcx>, pat: &hir::Pat<'_>) { + let closure_def_id = match discr_place.place.base { + PlaceBase::Upvar(upvar_id) => Some(upvar_id.closure_expr_id.to_def_id()), + _ => None, + }; + self.delegate.fake_read( discr_place.place.clone(), - FakeReadCause::ForLet, + FakeReadCause::ForLet(closure_def_id), discr_place.hir_id, ); self.walk_pat(discr_place, pat); diff --git a/compiler/rustc_typeck/src/lib.rs b/compiler/rustc_typeck/src/lib.rs index cb442344fa21..190744fe6f1d 100644 --- a/compiler/rustc_typeck/src/lib.rs +++ b/compiler/rustc_typeck/src/lib.rs @@ -430,7 +430,7 @@ pub fn hir_ty_to_ty<'tcx>(tcx: TyCtxt<'tcx>, hir_ty: &hir::Ty<'_>) -> Ty<'tcx> { let env_node_id = tcx.hir().get_parent_item(hir_ty.hir_id); let env_def_id = tcx.hir().local_def_id(env_node_id); let item_cx = self::collect::ItemCtxt::new(tcx, env_def_id.to_def_id()); - item_cx.to_ty(hir_ty) + >::ast_ty_to_ty(&item_cx, hir_ty) } pub fn hir_trait_to_predicates<'tcx>( @@ -445,7 +445,7 @@ pub fn hir_trait_to_predicates<'tcx>( let env_def_id = tcx.hir().local_def_id(env_hir_id); let item_cx = self::collect::ItemCtxt::new(tcx, env_def_id.to_def_id()); let mut bounds = Bounds::default(); - let _ = >::instantiate_poly_trait_ref_inner( + let _ = >::instantiate_poly_trait_ref( &item_cx, hir_trait, DUMMY_SP, diff --git a/config.toml.example b/config.toml.example index ee06e1bd0ba1..6e5584797b55 100644 --- a/config.toml.example +++ b/config.toml.example @@ -112,6 +112,7 @@ changelog-seen = 2 # When invoking `llvm-config` this configures whether the `--shared` argument is # passed to prefer linking to shared libraries. +# NOTE: `thin-lto = true` requires this to be `true` and will give an error otherwise. #link-shared = false # When building llvm, this configures what is being appended to the version. @@ -120,22 +121,23 @@ changelog-seen = 2 #version-suffix = "-rust-dev" # On MSVC you can compile LLVM with clang-cl, but the test suite doesn't pass -# with clang-cl, so this is special in that it only compiles LLVM with clang-cl -#clang-cl = '/path/to/clang-cl.exe' +# with clang-cl, so this is special in that it only compiles LLVM with clang-cl. +# Note that this takes a /path/to/clang-cl, not a boolean. +#clang-cl = cc # Pass extra compiler and linker flags to the LLVM CMake build. -#cflags = "-fextra-flag" -#cxxflags = "-fextra-flag" -#ldflags = "-Wl,extra-flag" +#cflags = "" +#cxxflags = "" +#ldflags = "" # Use libc++ when building LLVM instead of libstdc++. This is the default on # platforms already use libc++ as the default C++ library, but this option # allows you to use libc++ even on platforms when it's not. You need to ensure # that your host compiler ships with libc++. -#use-libcxx = true +#use-libcxx = false # The value specified here will be passed as `-DLLVM_USE_LINKER` to CMake. -#use-linker = "lld" +#use-linker = (path) # Whether or not to specify `-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=YES` #allow-old-toolchain = false @@ -147,6 +149,9 @@ changelog-seen = 2 # General build configuration options # ============================================================================= [build] +# The default stage to use for the `check` subcommand +#check-stage = 0 + # The default stage to use for the `doc` subcommand #doc-stage = 0 @@ -170,14 +175,14 @@ changelog-seen = 2 # binaries of this build triple and the nightly will be used to bootstrap the # first compiler. # -# Defaults to host platform -#build = "x86_64-unknown-linux-gnu" +# Defaults to platform where `x.py` is run. +#build = "x86_64-unknown-linux-gnu" (as an example) # Which triples to produce a compiler toolchain for. Each of these triples will # be bootstrapped from the build triple themselves. # -# Defaults to just the build triple -#host = ["x86_64-unknown-linux-gnu"] +# Defaults to just the build triple. +#host = ["x86_64-unknown-linux-gnu"] (as an example) # Which triples to build libraries (core/alloc/std/test/proc_macro) for. Each of # these triples will be bootstrapped from the build triple themselves. @@ -185,7 +190,7 @@ changelog-seen = 2 # Defaults to `host`. If you set this explicitly, you likely want to add all # host triples to this list as well in order for those host toolchains to be # able to compile programs for their native target. -#target = ["x86_64-unknown-linux-gnu"] +#target = ["x86_64-unknown-linux-gnu"] (as an example) # Use this directory to store build artifacts. # You can use "$ROOT" to indicate the root of the git repository. @@ -193,15 +198,15 @@ changelog-seen = 2 # Instead of downloading the src/stage0.txt version of Cargo specified, use # this Cargo binary instead to build all Rust code -#cargo = "/path/to/bin/cargo" +#cargo = "/path/to/cargo" # Instead of downloading the src/stage0.txt version of the compiler # specified, use this rustc binary instead as the stage0 snapshot compiler. -#rustc = "/path/to/bin/rustc" +#rustc = "/path/to/rustc" # Instead of download the src/stage0.txt version of rustfmt specified, # use this rustfmt binary instead as the stage0 snapshot rustfmt. -#rustfmt = "/path/to/bin/rustfmt" +#rustfmt = "/path/to/rustfmt" # Flag to specify whether any documentation is built. If false, rustdoc and # friends will still be compiled but they will not be used to generate any @@ -259,10 +264,11 @@ changelog-seen = 2 # be built if `extended = true`. #extended = false -# Installs chosen set of extended tools if `extended = true`. By default builds all. -# If chosen tool failed to build the installation fails. If `extended = false`, this -# option is ignored. -#tools = ["cargo", "rls", "clippy", "rustfmt", "analysis", "src"] +# Installs chosen set of extended tools if `extended = true`. By default builds +# all extended tools except `rust-demangler`, unless the target is also being +# built with `profiler = true`. If chosen tool failed to build the installation +# fails. If `extended = false`, this option is ignored. +#tools = ["cargo", "rls", "clippy", "rustfmt", "analysis", "src"] # + "rust-demangler" if `profiler` # Verbosity level: 0 == not verbose, 1 == verbose, 2 == very verbose #verbose = 0 @@ -325,16 +331,9 @@ changelog-seen = 2 # Where to install man pages in `prefix` above #mandir = "share/man" -# Where to install data in `prefix` above (currently unused) +# Where to install data in `prefix` above #datadir = "share" -# Where to install additional info in `prefix` above (currently unused) -#infodir = "share/info" - -# Where to install local state (currently unused) -# If this is a relative path, it will get installed in `prefix` above -#localstatedir = "/var/lib" - # ============================================================================= # Options for compiling Rust code itself # ============================================================================= @@ -372,7 +371,9 @@ changelog-seen = 2 # Whether to download the stage 1 and 2 compilers from CI. # This is mostly useful for tools; if you have changes to `compiler/` they will be ignored. # -# FIXME: currently, this also uses the downloaded compiler for stage0, but that causes unnecessary rebuilds. +# You can set this to "if-unchanged" to only download if `compiler/` has not been modified. +# +# FIXME(#82739): currently, this also uses the downloaded compiler for stage0, but that causes unnecessary rebuilds. #download-rustc = false # Number of codegen units to use for each compiler invocation. A value of 0 @@ -384,7 +385,9 @@ changelog-seen = 2 # Sets the number of codegen units to build the standard library with, # regardless of what the codegen-unit setting for the rest of the compiler is. -#codegen-units-std = 1 +# NOTE: building with anything other than 1 is known to occasionally have bugs. +# See https://github.com/rust-lang/rust/issues/83600. +#codegen-units-std = codegen-units # Whether or not debug assertions are enabled for the compiler and standard # library. Debug assertions control the maximum log level used by rustc. When @@ -427,19 +430,13 @@ changelog-seen = 2 #debuginfo-level = 0 # Debuginfo level for the compiler. -# -# Defaults to rust.debuginfo-level value -#debuginfo-level-rustc = 0 +#debuginfo-level-rustc = debuginfo-level # Debuginfo level for the standard library. -# -# Defaults to rust.debuginfo-level value -#debuginfo-level-std = 0 +#debuginfo-level-std = debuginfo-level # Debuginfo level for the tools. -# -# Defaults to rust.debuginfo-level value -#debuginfo-level-tools = 0 +#debuginfo-level-tools = debuginfo-level # Debuginfo level for the test suites run with compiletest. # FIXME(#61117): Some tests fail when this option is enabled. @@ -466,7 +463,9 @@ changelog-seen = 2 # The default linker that will be hard-coded into the generated compiler for # targets that don't specify linker explicitly in their target specifications. # Note that this is not the linker used to link said compiler. -#default-linker = "cc" +# +# See https://doc.rust-lang.org/rustc/codegen-options/index.html#linker for more information. +#default-linker = (path) # The "channel" for the Rust build to produce. The stable/beta channels only # allow using stable features, whereas the nightly and dev channels allow using @@ -476,10 +475,15 @@ changelog-seen = 2 # A descriptive string to be appended to `rustc --version` output, which is # also used in places like debuginfo `DW_AT_producer`. This may be useful for # supplementary build information, like distro-specific package versions. -#description = "" +#description = (string) -# The root location of the musl installation directory. -#musl-root = "..." +# The root location of the musl installation directory. The library directory +# will also need to contain libunwind.a for an unwinding implementation. Note +# that this option only makes sense for musl targets that produce statically +# linked binaries. +# +# Defaults to /usr on musl hosts. Has no default otherwise. +#musl-root = (path) # By default the `rustc` executable is built with `-Wl,-rpath` flags on Unix # platforms to ensure that the compiler is usable by default from the build @@ -502,14 +506,14 @@ changelog-seen = 2 # Having the git information can cause a lot of rebuilds during development. # Note: If this attribute is not explicitly set (e.g. if left commented out) it # will default to true if channel = "dev", but will default to false otherwise. -#ignore-git = true +#ignore-git = if channel == "dev" { true } else { false } # When creating source tarballs whether or not to create a source tarball. -#dist-src = false +#dist-src = true # After building or testing extended tools (e.g. clippy and rustfmt), append the # result (broken, compiling, testing) into this JSON file. -#save-toolstates = "/path/to/toolstates.json" +#save-toolstates = (path) # This is an array of the codegen backends that will be compiled for the rustc # that's being compiled. The default is to only build the LLVM codegen backend, @@ -545,9 +549,7 @@ changelog-seen = 2 # Compile the compiler with a non-default ThinLTO import limit. This import # limit controls the maximum size of functions imported by ThinLTO. Decreasing # will make code compile faster at the expense of lower runtime performance. -# If `incremental` is set to true above, the import limit will default to 10 -# instead of LLVM's default of 100. -#thin-lto-import-instr-limit = 100 +#thin-lto-import-instr-limit = if incremental { 10 } else { LLVM default (currently 100) } # Map debuginfo paths to `/rust/$sha/...`, generally only set for releases #remap-debuginfo = false @@ -581,63 +583,66 @@ changelog-seen = 2 # ============================================================================= [target.x86_64-unknown-linux-gnu] -# C compiler to be used to compiler C code. Note that the +# C compiler to be used to compile C code. Note that the # default value is platform specific, and if not specified it may also depend on # what platform is crossing to what platform. -#cc = "cc" +# See `src/bootstrap/cc_detect.rs` for details. +#cc = "cc" (path) -# C++ compiler to be used to compiler C++ code (e.g. LLVM and our LLVM shims). +# C++ compiler to be used to compile C++ code (e.g. LLVM and our LLVM shims). # This is only used for host targets. -#cxx = "c++" +# See `src/bootstrap/cc_detect.rs` for details. +#cxx = "c++" (path) # Archiver to be used to assemble static libraries compiled from C/C++ code. # Note: an absolute path should be used, otherwise LLVM build will break. -#ar = "ar" +#ar = "ar" (path) # Ranlib to be used to assemble static libraries compiled from C/C++ code. # Note: an absolute path should be used, otherwise LLVM build will break. -#ranlib = "ranlib" +#ranlib = "ranlib" (path) -# Linker to be used to link Rust code. Note that the +# Linker to be used to bootstrap Rust code. Note that the # default value is platform specific, and if not specified it may also depend on # what platform is crossing to what platform. # Setting this will override the `use-lld` option for Rust code when targeting MSVC. -#linker = "cc" +#linker = "cc" (path) # Path to the `llvm-config` binary of the installation of a custom LLVM to link # against. Note that if this is specified we don't compile LLVM at all for this # target. -#llvm-config = "../path/to/llvm/root/bin/llvm-config" +#llvm-config = (path) # Normally the build system can find LLVM's FileCheck utility, but if # not, you can specify an explicit file name for it. -#llvm-filecheck = "/path/to/FileCheck" +#llvm-filecheck = "/path/to/llvm-version/bin/FileCheck" # If this target is for Android, this option will be required to specify where # the NDK for the target lives. This is used to find the C compiler to link and # build native code. -#android-ndk = "/path/to/ndk" +# See `src/bootstrap/cc_detect.rs` for details. +#android-ndk = (path) # Build the sanitizer runtimes for this target. # This option will override the same option under [build] section. -#sanitizers = false +#sanitizers = build.sanitizers (bool) # Build the profiler runtime for this target(required when compiling with options that depend # on this runtime, such as `-C profile-generate` or `-Z instrument-coverage`). # This option will override the same option under [build] section. -#profiler = false +#profiler = build.profiler (bool) # Force static or dynamic linkage of the standard library for this target. If # this target is a host for rustc, this will also affect the linkage of the # compiler itself. This is useful for building rustc on targets that normally # only use static libraries. If unset, the target's default linkage is used. -#crt-static = false +#crt-static = (bool) # The root location of the musl installation directory. The library directory # will also need to contain libunwind.a for an unwinding implementation. Note # that this option only makes sense for musl targets that produce statically -# linked binaries -#musl-root = "..." +# linked binaries. +#musl-root = build.musl-root (path) # The full path to the musl libdir. #musl-libdir = musl-root/lib @@ -645,11 +650,11 @@ changelog-seen = 2 # The root location of the `wasm32-wasi` sysroot. Only used for the # `wasm32-wasi` target. If you are building wasm32-wasi target, make sure to # create a `[target.wasm32-wasi]` section and move this field there. -#wasi-root = "..." +#wasi-root = (path) # Used in testing for configuring where the QEMU images are located, you # probably don't want to use this. -#qemu-rootfs = "..." +#qemu-rootfs = (path) # ============================================================================= # Distribution options @@ -666,12 +671,7 @@ changelog-seen = 2 # # This folder should be populated ahead of time before the build system is # invoked. -#sign-folder = "path/to/folder/to/sign" - -# This is a file which contains the password of the default gpg key. This will -# be passed to `gpg` down the road when signing all files in `sign-folder` -# above. This should be stored in plaintext. -#gpg-password-file = "path/to/gpg/password" +#sign-folder = (path) # The remote address that all artifacts will eventually be uploaded to. The # build system generates manifests which will point to these urls, and for the @@ -679,18 +679,19 @@ changelog-seen = 2 # # Note that this address should not contain a trailing slash as file names will # be appended to it. -#upload-addr = "https://example.com/folder" +#upload-addr = (URL) # Whether to build a plain source tarball to upload # We disable that on Windows not to override the one already uploaded on S3 # as the one built on Windows will contain backslashes in paths causing problems # on linux #src-tarball = true -# # Whether to allow failures when building tools #missing-tools = false # List of compression formats to use when generating dist tarballs. The list of # formats is provided to rust-installer, which must support all of them. +# +# This list must be non-empty. #compression-formats = ["gz", "xz"] diff --git a/library/alloc/benches/vec.rs b/library/alloc/benches/vec.rs index 7a098219ce4a..48709e89823d 100644 --- a/library/alloc/benches/vec.rs +++ b/library/alloc/benches/vec.rs @@ -4,23 +4,13 @@ use test::{black_box, Bencher}; #[bench] fn bench_new(b: &mut Bencher) { - b.iter(|| { - let v: Vec = Vec::new(); - assert_eq!(v.len(), 0); - assert_eq!(v.capacity(), 0); - v - }) + b.iter(|| Vec::::new()) } fn do_bench_with_capacity(b: &mut Bencher, src_len: usize) { b.bytes = src_len as u64; - b.iter(|| { - let v: Vec = Vec::with_capacity(src_len); - assert_eq!(v.len(), 0); - assert_eq!(v.capacity(), src_len); - v - }) + b.iter(|| Vec::::with_capacity(src_len)) } #[bench] @@ -46,12 +36,7 @@ fn bench_with_capacity_1000(b: &mut Bencher) { fn do_bench_from_fn(b: &mut Bencher, src_len: usize) { b.bytes = src_len as u64; - b.iter(|| { - let dst = (0..src_len).collect::>(); - assert_eq!(dst.len(), src_len); - assert!(dst.iter().enumerate().all(|(i, x)| i == *x)); - dst - }) + b.iter(|| (0..src_len).collect::>()) } #[bench] @@ -77,12 +62,7 @@ fn bench_from_fn_1000(b: &mut Bencher) { fn do_bench_from_elem(b: &mut Bencher, src_len: usize) { b.bytes = src_len as u64; - b.iter(|| { - let dst: Vec = repeat(5).take(src_len).collect(); - assert_eq!(dst.len(), src_len); - assert!(dst.iter().all(|x| *x == 5)); - dst - }) + b.iter(|| repeat(5).take(src_len).collect::>()) } #[bench] @@ -110,12 +90,7 @@ fn do_bench_from_slice(b: &mut Bencher, src_len: usize) { b.bytes = src_len as u64; - b.iter(|| { - let dst = src.clone()[..].to_vec(); - assert_eq!(dst.len(), src_len); - assert!(dst.iter().enumerate().all(|(i, x)| i == *x)); - dst - }); + b.iter(|| src.as_slice().to_vec()); } #[bench] @@ -144,9 +119,7 @@ fn do_bench_from_iter(b: &mut Bencher, src_len: usize) { b.bytes = src_len as u64; b.iter(|| { - let dst: Vec<_> = FromIterator::from_iter(src.clone()); - assert_eq!(dst.len(), src_len); - assert!(dst.iter().enumerate().all(|(i, x)| i == *x)); + let dst: Vec<_> = FromIterator::from_iter(src.iter().cloned()); dst }); } @@ -180,8 +153,6 @@ fn do_bench_extend(b: &mut Bencher, dst_len: usize, src_len: usize) { b.iter(|| { let mut dst = dst.clone(); dst.extend(src.clone()); - assert_eq!(dst.len(), dst_len + src_len); - assert!(dst.iter().enumerate().all(|(i, x)| i == *x)); dst }); } @@ -230,8 +201,6 @@ fn do_bench_extend_from_slice(b: &mut Bencher, dst_len: usize, src_len: usize) { b.iter(|| { let mut dst = dst.clone(); dst.extend_from_slice(&src); - assert_eq!(dst.len(), dst_len + src_len); - assert!(dst.iter().enumerate().all(|(i, x)| i == *x)); dst }); } @@ -290,12 +259,7 @@ fn do_bench_clone(b: &mut Bencher, src_len: usize) { b.bytes = src_len as u64; - b.iter(|| { - let dst = src.clone(); - assert_eq!(dst.len(), src_len); - assert!(dst.iter().enumerate().all(|(i, x)| i == *x)); - dst - }); + b.iter(|| src.clone()); } #[bench] @@ -329,8 +293,7 @@ fn do_bench_clone_from(b: &mut Bencher, times: usize, dst_len: usize, src_len: u for _ in 0..times { dst.clone_from(&src); - assert_eq!(dst.len(), src_len); - assert!(dst.iter().enumerate().all(|(i, x)| dst_len + i == *x)); + dst = black_box(dst); } dst }); @@ -463,11 +426,10 @@ macro_rules! bench_in_place { fn $fname(b: &mut Bencher) { b.iter(|| { let src: Vec<$type> = black_box(vec![$init; $count]); - let mut sink = src.into_iter() + src.into_iter() .enumerate() .map(|(idx, e)| idx as $type ^ e) - .collect::>(); - black_box(sink.as_mut_ptr()) + .collect::>() }); } )+ @@ -527,7 +489,6 @@ fn bench_in_place_zip_recycle(b: &mut Bencher) { .enumerate() .map(|(i, (d, s))| d.wrapping_add(i as u8) ^ s) .collect::>(); - assert_eq!(mangled.len(), 1000); data = black_box(mangled); }); } @@ -614,23 +575,6 @@ fn bench_nest_chain_chain_collect(b: &mut Bencher) { }); } -pub fn example_plain_slow(l: &[u32]) -> Vec { - let mut result = Vec::with_capacity(l.len()); - result.extend(l.iter().rev()); - result -} - -pub fn map_fast(l: &[(u32, u32)]) -> Vec { - let mut result = Vec::with_capacity(l.len()); - for i in 0..l.len() { - unsafe { - *result.get_unchecked_mut(i) = l[i].0; - result.set_len(i); - } - } - result -} - #[bench] fn bench_range_map_collect(b: &mut Bencher) { b.iter(|| (0..LEN).map(|_| u32::default()).collect::>()); @@ -669,7 +613,11 @@ fn bench_rev_1(b: &mut Bencher) { #[bench] fn bench_rev_2(b: &mut Bencher) { let data = black_box([0; LEN]); - b.iter(|| example_plain_slow(&data)); + b.iter(|| { + let mut v = Vec::::with_capacity(data.len()); + v.extend(data.iter().rev()); + v + }); } #[bench] @@ -685,7 +633,16 @@ fn bench_map_regular(b: &mut Bencher) { #[bench] fn bench_map_fast(b: &mut Bencher) { let data = black_box([(0, 0); LEN]); - b.iter(|| map_fast(&data)); + b.iter(|| { + let mut result = Vec::with_capacity(data.len()); + for i in 0..data.len() { + unsafe { + *result.get_unchecked_mut(i) = data[i].0; + result.set_len(i); + } + } + result + }); } fn random_sorted_fill(mut seed: u32, buf: &mut [u32]) { diff --git a/library/alloc/src/collections/binary_heap.rs b/library/alloc/src/collections/binary_heap.rs index b5e66d37ab49..bf9f7432fb53 100644 --- a/library/alloc/src/collections/binary_heap.rs +++ b/library/alloc/src/collections/binary_heap.rs @@ -958,6 +958,27 @@ impl BinaryHeap { self.data.shrink_to(min_capacity) } + /// Returns a slice of all values in the underlying vector, in arbitrary + /// order. + /// + /// # Examples + /// + /// Basic usage: + /// + /// ``` + /// #![feature(binary_heap_as_slice)] + /// use std::collections::BinaryHeap; + /// use std::io::{self, Write}; + /// + /// let heap = BinaryHeap::from(vec![1, 2, 3, 4, 5, 6, 7]); + /// + /// io::sink().write(heap.as_slice()).unwrap(); + /// ``` + #[unstable(feature = "binary_heap_as_slice", issue = "83659")] + pub fn as_slice(&self) -> &[T] { + self.data.as_slice() + } + /// Consumes the `BinaryHeap` and returns the underlying vector /// in arbitrary order. /// diff --git a/library/alloc/src/collections/btree/map/tests.rs b/library/alloc/src/collections/btree/map/tests.rs index e636e490e1bf..3a74b6a6fa85 100644 --- a/library/alloc/src/collections/btree/map/tests.rs +++ b/library/alloc/src/collections/btree/map/tests.rs @@ -776,7 +776,6 @@ fn test_range_backwards_4() { } #[test] -#[should_panic] fn test_range_finding_ill_order_in_map() { let mut map = BTreeMap::new(); map.insert(Cyclic3::B, ()); @@ -789,7 +788,6 @@ fn test_range_finding_ill_order_in_map() { } #[test] -#[should_panic] fn test_range_finding_ill_order_in_range_ord() { // Has proper order the first time asked, then flips around. struct EvilTwin(i32); diff --git a/library/alloc/src/collections/btree/navigate.rs b/library/alloc/src/collections/btree/navigate.rs index c2c99a9360cf..4399feaccc9b 100644 --- a/library/alloc/src/collections/btree/navigate.rs +++ b/library/alloc/src/collections/btree/navigate.rs @@ -29,11 +29,18 @@ impl LeafRange { impl NodeRef { /// Finds the distinct leaf edges delimiting a specified range in a tree. - /// Returns either a pair of different handles into the same tree or a pair - /// of empty options. + /// + /// If such distinct edges exist, returns them in ascending order, meaning + /// that a non-zero number of calls to `next_unchecked` on the `front` of + /// the result and/or calls to `next_back_unchecked` on the `back` of the + /// result will eventually reach the same edge. + /// + /// If there are no such edges, i.e., if the tree contains no key within + /// the range, returns a pair of empty options. + /// /// # Safety - /// Unless `BorrowType` is `Immut`, do not use the duplicate handles to - /// visit the same KV twice. + /// Unless `BorrowType` is `Immut`, do not use the handles to visit the same + /// KV twice. unsafe fn find_leaf_edges_spanning_range( self, range: R, diff --git a/library/alloc/src/collections/btree/node.rs b/library/alloc/src/collections/btree/node.rs index 9a7119470f37..f330a1bb3dcf 100644 --- a/library/alloc/src/collections/btree/node.rs +++ b/library/alloc/src/collections/btree/node.rs @@ -128,106 +128,6 @@ impl InternalNode { /// is not a separate type and has no destructor. type BoxedNode = NonNull>; -/// The root node of an owned tree. -/// -/// Note that this does not have a destructor, and must be cleaned up manually. -pub type Root = NodeRef; - -impl Root { - /// Returns a new owned tree, with its own root node that is initially empty. - pub fn new() -> Self { - NodeRef::new_leaf().forget_type() - } -} - -impl NodeRef { - fn new_leaf() -> Self { - Self::from_new_leaf(LeafNode::new()) - } - - fn from_new_leaf(leaf: Box>) -> Self { - NodeRef { height: 0, node: NonNull::from(Box::leak(leaf)), _marker: PhantomData } - } -} - -impl NodeRef { - fn new_internal(child: Root) -> Self { - let mut new_node = unsafe { InternalNode::new() }; - new_node.edges[0].write(child.node); - unsafe { NodeRef::from_new_internal(new_node, child.height + 1) } - } - - /// # Safety - /// `height` must not be zero. - unsafe fn from_new_internal(internal: Box>, height: usize) -> Self { - debug_assert!(height > 0); - let node = NonNull::from(Box::leak(internal)).cast(); - let mut this = NodeRef { height, node, _marker: PhantomData }; - this.borrow_mut().correct_all_childrens_parent_links(); - this - } -} - -impl NodeRef { - /// Mutably borrows the owned root node. Unlike `reborrow_mut`, this is safe - /// because the return value cannot be used to destroy the root, and there - /// cannot be other references to the tree. - pub fn borrow_mut(&mut self) -> NodeRef, K, V, Type> { - NodeRef { height: self.height, node: self.node, _marker: PhantomData } - } - - /// Slightly mutably borrows the owned root node. - pub fn borrow_valmut(&mut self) -> NodeRef, K, V, Type> { - NodeRef { height: self.height, node: self.node, _marker: PhantomData } - } - - /// Irreversibly transitions to a reference that permits traversal and offers - /// destructive methods and little else. - pub fn into_dying(self) -> NodeRef { - NodeRef { height: self.height, node: self.node, _marker: PhantomData } - } -} - -impl NodeRef { - /// Adds a new internal node with a single edge pointing to the previous root node, - /// make that new node the root node, and return it. This increases the height by 1 - /// and is the opposite of `pop_internal_level`. - pub fn push_internal_level(&mut self) -> NodeRef, K, V, marker::Internal> { - super::mem::take_mut(self, |old_root| NodeRef::new_internal(old_root).forget_type()); - - // `self.borrow_mut()`, except that we just forgot we're internal now: - NodeRef { height: self.height, node: self.node, _marker: PhantomData } - } - - /// Removes the internal root node, using its first child as the new root node. - /// As it is intended only to be called when the root node has only one child, - /// no cleanup is done on any of the keys, values and other children. - /// This decreases the height by 1 and is the opposite of `push_internal_level`. - /// - /// Requires exclusive access to the `Root` object but not to the root node; - /// it will not invalidate other handles or references to the root node. - /// - /// Panics if there is no internal level, i.e., if the root node is a leaf. - pub fn pop_internal_level(&mut self) { - assert!(self.height > 0); - - let top = self.node; - - // SAFETY: we asserted to be internal. - let internal_self = unsafe { self.borrow_mut().cast_to_internal_unchecked() }; - // SAFETY: we borrowed `self` exclusively and its borrow type is exclusive. - let internal_node = unsafe { &mut *NodeRef::as_internal_ptr(&internal_self) }; - // SAFETY: the first edge is always initialized. - self.node = unsafe { internal_node.edges[0].assume_init_read() }; - self.height -= 1; - self.clear_parent_link(); - - unsafe { - Global.deallocate(top.cast(), Layout::new::>()); - } - } -} - // N.B. `NodeRef` is always covariant in `K` and `V`, even when the `BorrowType` // is `Mut`. This is technically wrong, but cannot result in any unsafety due to // internal use of `NodeRef` because we stay completely generic over `K` and `V`. @@ -292,6 +192,11 @@ pub struct NodeRef { _marker: PhantomData<(BorrowType, Type)>, } +/// The root node of an owned tree. +/// +/// Note that this does not have a destructor, and must be cleaned up manually. +pub type Root = NodeRef; + impl<'a, K: 'a, V: 'a, Type> Copy for NodeRef, K, V, Type> {} impl<'a, K: 'a, V: 'a, Type> Clone for NodeRef, K, V, Type> { fn clone(&self) -> Self { @@ -307,6 +212,34 @@ unsafe impl<'a, K: Send + 'a, V: Send + 'a, Type> Send for NodeRef Send for NodeRef {} unsafe impl Send for NodeRef {} +impl NodeRef { + fn new_leaf() -> Self { + Self::from_new_leaf(LeafNode::new()) + } + + fn from_new_leaf(leaf: Box>) -> Self { + NodeRef { height: 0, node: NonNull::from(Box::leak(leaf)), _marker: PhantomData } + } +} + +impl NodeRef { + fn new_internal(child: Root) -> Self { + let mut new_node = unsafe { InternalNode::new() }; + new_node.edges[0].write(child.node); + unsafe { NodeRef::from_new_internal(new_node, child.height + 1) } + } + + /// # Safety + /// `height` must not be zero. + unsafe fn from_new_internal(internal: Box>, height: usize) -> Self { + debug_assert!(height > 0); + let node = NonNull::from(Box::leak(internal)).cast(); + let mut this = NodeRef { height, node, _marker: PhantomData }; + this.borrow_mut().correct_all_childrens_parent_links(); + this + } +} + impl NodeRef { /// Unpack a node reference that was packed as `NodeRef::parent`. fn from_internal(node: NonNull>, height: usize) -> Self { @@ -420,6 +353,19 @@ impl NodeRef } } +impl NodeRef { + /// Could be a public implementation of PartialEq, but only used in this module. + fn eq(&self, other: &Self) -> bool { + let Self { node, height, _marker } = self; + if node.eq(&other.node) { + debug_assert_eq!(*height, other.height); + true + } else { + false + } + } +} + impl<'a, K: 'a, V: 'a, Type> NodeRef, K, V, Type> { /// Exposes the leaf portion of any leaf or internal node in an immutable tree. fn into_leaf(self) -> &'a LeafNode { @@ -461,20 +407,6 @@ impl NodeRef { } } -impl<'a, K, V> NodeRef, K, V, marker::LeafOrInternal> { - /// Unsafely asserts to the compiler the static information that this node is a `Leaf`. - unsafe fn cast_to_leaf_unchecked(self) -> NodeRef, K, V, marker::Leaf> { - debug_assert!(self.height == 0); - NodeRef { height: self.height, node: self.node, _marker: PhantomData } - } - - /// Unsafely asserts to the compiler the static information that this node is an `Internal`. - unsafe fn cast_to_internal_unchecked(self) -> NodeRef, K, V, marker::Internal> { - debug_assert!(self.height > 0); - NodeRef { height: self.height, node: self.node, _marker: PhantomData } - } -} - impl<'a, K, V, Type> NodeRef, K, V, Type> { /// Temporarily takes out another, mutable reference to the same node. Beware, as /// this method is very dangerous, doubly so since it may not immediately appear @@ -577,6 +509,22 @@ impl<'a, K: 'a, V: 'a, Type> NodeRef, K, V, Type> { } } +impl<'a, K, V> NodeRef, K, V, marker::Internal> { + /// # Safety + /// Every item returned by `range` is a valid edge index for the node. + unsafe fn correct_childrens_parent_links>(&mut self, range: R) { + for i in range { + debug_assert!(i <= self.len()); + unsafe { Handle::new_edge(self.reborrow_mut(), i) }.correct_parent_link(); + } + } + + fn correct_all_childrens_parent_links(&mut self) { + let len = self.len(); + unsafe { self.correct_childrens_parent_links(0..=len) }; + } +} + impl<'a, K: 'a, V: 'a> NodeRef, K, V, marker::LeafOrInternal> { /// Sets the node's link to its parent edge, /// without invalidating other references to the node. @@ -596,6 +544,71 @@ impl NodeRef { } } +impl NodeRef { + /// Returns a new owned tree, with its own root node that is initially empty. + pub fn new() -> Self { + NodeRef::new_leaf().forget_type() + } + + /// Adds a new internal node with a single edge pointing to the previous root node, + /// make that new node the root node, and return it. This increases the height by 1 + /// and is the opposite of `pop_internal_level`. + pub fn push_internal_level(&mut self) -> NodeRef, K, V, marker::Internal> { + super::mem::take_mut(self, |old_root| NodeRef::new_internal(old_root).forget_type()); + + // `self.borrow_mut()`, except that we just forgot we're internal now: + NodeRef { height: self.height, node: self.node, _marker: PhantomData } + } + + /// Removes the internal root node, using its first child as the new root node. + /// As it is intended only to be called when the root node has only one child, + /// no cleanup is done on any of the keys, values and other children. + /// This decreases the height by 1 and is the opposite of `push_internal_level`. + /// + /// Requires exclusive access to the `Root` object but not to the root node; + /// it will not invalidate other handles or references to the root node. + /// + /// Panics if there is no internal level, i.e., if the root node is a leaf. + pub fn pop_internal_level(&mut self) { + assert!(self.height > 0); + + let top = self.node; + + // SAFETY: we asserted to be internal. + let internal_self = unsafe { self.borrow_mut().cast_to_internal_unchecked() }; + // SAFETY: we borrowed `self` exclusively and its borrow type is exclusive. + let internal_node = unsafe { &mut *NodeRef::as_internal_ptr(&internal_self) }; + // SAFETY: the first edge is always initialized. + self.node = unsafe { internal_node.edges[0].assume_init_read() }; + self.height -= 1; + self.clear_parent_link(); + + unsafe { + Global.deallocate(top.cast(), Layout::new::>()); + } + } +} + +impl NodeRef { + /// Mutably borrows the owned root node. Unlike `reborrow_mut`, this is safe + /// because the return value cannot be used to destroy the root, and there + /// cannot be other references to the tree. + pub fn borrow_mut(&mut self) -> NodeRef, K, V, Type> { + NodeRef { height: self.height, node: self.node, _marker: PhantomData } + } + + /// Slightly mutably borrows the owned root node. + pub fn borrow_valmut(&mut self) -> NodeRef, K, V, Type> { + NodeRef { height: self.height, node: self.node, _marker: PhantomData } + } + + /// Irreversibly transitions to a reference that permits traversal and offers + /// destructive methods and little else. + pub fn into_dying(self) -> NodeRef { + NodeRef { height: self.height, node: self.node, _marker: PhantomData } + } +} + impl<'a, K: 'a, V: 'a> NodeRef, K, V, marker::Leaf> { /// Adds a key-value pair to the end of the node. pub fn push(&mut self, key: K, val: V) { @@ -610,22 +623,6 @@ impl<'a, K: 'a, V: 'a> NodeRef, K, V, marker::Leaf> { } } -impl<'a, K, V> NodeRef, K, V, marker::Internal> { - /// # Safety - /// Every item returned by `range` is a valid edge index for the node. - unsafe fn correct_childrens_parent_links>(&mut self, range: R) { - for i in range { - debug_assert!(i <= self.len()); - unsafe { Handle::new_edge(self.reborrow_mut(), i) }.correct_parent_link(); - } - } - - fn correct_all_childrens_parent_links(&mut self) { - let len = self.len(); - unsafe { self.correct_childrens_parent_links(0..=len) }; - } -} - impl<'a, K: 'a, V: 'a> NodeRef, K, V, marker::Internal> { /// Adds a key-value pair, and an edge to go to the right of that pair, /// to the end of the node. @@ -645,6 +642,20 @@ impl<'a, K: 'a, V: 'a> NodeRef, K, V, marker::Internal> { } } +impl NodeRef { + /// Removes any static information asserting that this node is a `Leaf` node. + pub fn forget_type(self) -> NodeRef { + NodeRef { height: self.height, node: self.node, _marker: PhantomData } + } +} + +impl NodeRef { + /// Removes any static information asserting that this node is an `Internal` node. + pub fn forget_type(self) -> NodeRef { + NodeRef { height: self.height, node: self.node, _marker: PhantomData } + } +} + impl NodeRef { /// Checks whether a node is an `Internal` node or a `Leaf` node. pub fn force( @@ -669,6 +680,20 @@ impl NodeRef { } } +impl<'a, K, V> NodeRef, K, V, marker::LeafOrInternal> { + /// Unsafely asserts to the compiler the static information that this node is a `Leaf`. + unsafe fn cast_to_leaf_unchecked(self) -> NodeRef, K, V, marker::Leaf> { + debug_assert!(self.height == 0); + NodeRef { height: self.height, node: self.node, _marker: PhantomData } + } + + /// Unsafely asserts to the compiler the static information that this node is an `Internal`. + unsafe fn cast_to_internal_unchecked(self) -> NodeRef, K, V, marker::Internal> { + debug_assert!(self.height > 0); + NodeRef { height: self.height, node: self.node, _marker: PhantomData } + } +} + /// A reference to a specific key-value pair or edge within a node. The `Node` parameter /// must be a `NodeRef`, while the `Type` can either be `KV` (signifying a handle on a key-value /// pair) or `Edge` (signifying a handle on an edge). @@ -722,19 +747,6 @@ impl Handle, mar } } -impl NodeRef { - /// Could be a public implementation of PartialEq, but only used in this module. - fn eq(&self, other: &Self) -> bool { - let Self { node, height, _marker } = self; - if node.eq(&other.node) { - debug_assert_eq!(*height, other.height); - true - } else { - false - } - } -} - impl PartialEq for Handle, HandleType> { @@ -754,16 +766,6 @@ impl } } -impl<'a, K, V, Type> Handle, K, V, marker::LeafOrInternal>, Type> { - /// Unsafely asserts to the compiler the static information that the handle's node is a `Leaf`. - pub unsafe fn cast_to_leaf_unchecked( - self, - ) -> Handle, K, V, marker::Leaf>, Type> { - let node = unsafe { self.node.cast_to_leaf_unchecked() }; - Handle { node, idx: self.idx, _marker: PhantomData } - } -} - impl<'a, K, V, NodeType, HandleType> Handle, K, V, NodeType>, HandleType> { /// Temporarily takes out another, mutable handle on the same location. Beware, as /// this method is very dangerous, doubly so since it may not immediately appear @@ -1466,20 +1468,6 @@ impl<'a, K: 'a, V: 'a> BalancingContext<'a, K, V> { } } -impl NodeRef { - /// Removes any static information asserting that this node is a `Leaf` node. - pub fn forget_type(self) -> NodeRef { - NodeRef { height: self.height, node: self.node, _marker: PhantomData } - } -} - -impl NodeRef { - /// Removes any static information asserting that this node is an `Internal` node. - pub fn forget_type(self) -> NodeRef { - NodeRef { height: self.height, node: self.node, _marker: PhantomData } - } -} - impl Handle, marker::Edge> { pub fn forget_node_type( self, @@ -1531,6 +1519,16 @@ impl Handle Handle, K, V, marker::LeafOrInternal>, Type> { + /// Unsafely asserts to the compiler the static information that the handle's node is a `Leaf`. + pub unsafe fn cast_to_leaf_unchecked( + self, + ) -> Handle, K, V, marker::Leaf>, Type> { + let node = unsafe { self.node.cast_to_leaf_unchecked() }; + Handle { node, idx: self.idx, _marker: PhantomData } + } +} + impl<'a, K, V> Handle, K, V, marker::LeafOrInternal>, marker::Edge> { /// Move the suffix after `self` from one node to another one. `right` must be empty. /// The first edge of `right` remains unchanged. diff --git a/library/alloc/src/collections/btree/search.rs b/library/alloc/src/collections/btree/search.rs index 5dc62d4ec70d..5651a03c47a4 100644 --- a/library/alloc/src/collections/btree/search.rs +++ b/library/alloc/src/collections/btree/search.rs @@ -68,13 +68,16 @@ impl NodeRef( mut self, @@ -112,10 +115,8 @@ impl NodeRef upper_edge_idx { - panic!("Ord is ill-defined in BTreeMap range") - } + let (upper_edge_idx, upper_child_bound) = + unsafe { self.find_upper_bound_index(upper_bound, lower_edge_idx) }; if lower_edge_idx < upper_edge_idx { return Ok(( self, @@ -125,6 +126,7 @@ impl NodeRef return Err(common_edge), @@ -164,7 +166,7 @@ impl NodeRef, { - let (edge_idx, bound) = self.find_upper_bound_index(bound); + let (edge_idx, bound) = unsafe { self.find_upper_bound_index(bound, 0) }; let edge = unsafe { Handle::new_edge(self, edge_idx) }; (edge, bound) } @@ -183,29 +185,33 @@ impl NodeRef { Q: Ord, K: Borrow, { - match self.find_key_index(key) { + match unsafe { self.find_key_index(key, 0) } { IndexResult::KV(idx) => Found(unsafe { Handle::new_kv(self, idx) }), IndexResult::Edge(idx) => GoDown(unsafe { Handle::new_edge(self, idx) }), } } /// Returns either the KV index in the node at which the key (or an equivalent) - /// exists, or the edge index where the key belongs. + /// exists, or the edge index where the key belongs, starting from a particular index. /// /// The result is meaningful only if the tree is ordered by key, like the tree /// in a `BTreeMap` is. - fn find_key_index(&self, key: &Q) -> IndexResult + /// + /// # Safety + /// `start_index` must be a valid edge index for the node. + unsafe fn find_key_index(&self, key: &Q, start_index: usize) -> IndexResult where Q: Ord, K: Borrow, { let node = self.reborrow(); let keys = node.keys(); - for (i, k) in keys.iter().enumerate() { + debug_assert!(start_index <= keys.len()); + for (offset, k) in unsafe { keys.get_unchecked(start_index..) }.iter().enumerate() { match key.cmp(k.borrow()) { Ordering::Greater => {} - Ordering::Equal => return IndexResult::KV(i), - Ordering::Less => return IndexResult::Edge(i), + Ordering::Equal => return IndexResult::KV(start_index + offset), + Ordering::Less => return IndexResult::Edge(start_index + offset), } } IndexResult::Edge(keys.len()) @@ -225,11 +231,11 @@ impl NodeRef { K: Borrow, { match bound { - Included(key) => match self.find_key_index(key) { + Included(key) => match unsafe { self.find_key_index(key, 0) } { IndexResult::KV(idx) => (idx, AllExcluded), IndexResult::Edge(idx) => (idx, bound), }, - Excluded(key) => match self.find_key_index(key) { + Excluded(key) => match unsafe { self.find_key_index(key, 0) } { IndexResult::KV(idx) => (idx + 1, AllIncluded), IndexResult::Edge(idx) => (idx, bound), }, @@ -238,26 +244,31 @@ impl NodeRef { } } - /// Clone of `find_lower_bound_index` for the upper bound. - fn find_upper_bound_index<'r, Q>( + /// Mirror image of `find_lower_bound_index` for the upper bound, + /// with an additional parameter to skip part of the key array. + /// + /// # Safety + /// `start_index` must be a valid edge index for the node. + unsafe fn find_upper_bound_index<'r, Q>( &self, bound: SearchBound<&'r Q>, + start_index: usize, ) -> (usize, SearchBound<&'r Q>) where Q: ?Sized + Ord, K: Borrow, { match bound { - Included(key) => match self.find_key_index(key) { + Included(key) => match unsafe { self.find_key_index(key, start_index) } { IndexResult::KV(idx) => (idx + 1, AllExcluded), IndexResult::Edge(idx) => (idx, bound), }, - Excluded(key) => match self.find_key_index(key) { + Excluded(key) => match unsafe { self.find_key_index(key, start_index) } { IndexResult::KV(idx) => (idx, AllIncluded), IndexResult::Edge(idx) => (idx, bound), }, AllIncluded => (self.len(), AllIncluded), - AllExcluded => (0, AllExcluded), + AllExcluded => (start_index, AllExcluded), } } } diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs index fb243100990b..14cb1d3b405c 100644 --- a/library/alloc/src/lib.rs +++ b/library/alloc/src/lib.rs @@ -133,7 +133,6 @@ #![feature(trusted_len)] #![feature(unboxed_closures)] #![feature(unicode_internals)] -#![cfg_attr(bootstrap, feature(unsafe_block_in_unsafe_fn))] #![feature(unsize)] #![feature(unsized_fn_params)] #![feature(allocator_internals)] @@ -142,8 +141,7 @@ #![feature(alloc_layout_extra)] #![feature(trusted_random_access)] #![feature(try_trait)] -#![cfg_attr(bootstrap, feature(type_alias_impl_trait))] -#![cfg_attr(not(bootstrap), feature(min_type_alias_impl_trait))] +#![feature(min_type_alias_impl_trait)] #![feature(associated_type_bounds)] #![feature(slice_group_by)] #![feature(decl_macro)] diff --git a/library/alloc/src/raw_vec.rs b/library/alloc/src/raw_vec.rs index 56f4ebe57f8a..dc02c9c883ea 100644 --- a/library/alloc/src/raw_vec.rs +++ b/library/alloc/src/raw_vec.rs @@ -315,8 +315,24 @@ impl RawVec { /// # vector.push_all(&[1, 3, 5, 7, 9]); /// # } /// ``` + #[inline] pub fn reserve(&mut self, len: usize, additional: usize) { - handle_reserve(self.try_reserve(len, additional)); + // Callers expect this function to be very cheap when there is already sufficient capacity. + // Therefore, we move all the resizing and error-handling logic from grow_amortized and + // handle_reserve behind a call, while making sure that the this function is likely to be + // inlined as just a comparison and a call if the comparison fails. + #[cold] + fn do_reserve_and_handle( + slf: &mut RawVec, + len: usize, + additional: usize, + ) { + handle_reserve(slf.grow_amortized(len, additional)); + } + + if self.needs_to_grow(len, additional) { + do_reserve_and_handle(self, len, additional); + } } /// The same as `reserve`, but returns on errors instead of panicking or aborting. diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index dac4acc4692a..c81ababf1519 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -910,6 +910,73 @@ impl Rc { this.inner().strong() } + /// Increments the strong reference count on the `Rc` associated with the + /// provided pointer by one. + /// + /// # Safety + /// + /// The pointer must have been obtained through `Rc::into_raw`, and the + /// associated `Rc` instance must be valid (i.e. the strong count must be at + /// least 1) for the duration of this method. + /// + /// # Examples + /// + /// ``` + /// use std::rc::Rc; + /// + /// let five = Rc::new(5); + /// + /// unsafe { + /// let ptr = Rc::into_raw(five); + /// Rc::increment_strong_count(ptr); + /// + /// let five = Rc::from_raw(ptr); + /// assert_eq!(2, Rc::strong_count(&five)); + /// } + /// ``` + #[inline] + #[stable(feature = "rc_mutate_strong_count", since = "1.53.0")] + pub unsafe fn increment_strong_count(ptr: *const T) { + // Retain Rc, but don't touch refcount by wrapping in ManuallyDrop + let rc = unsafe { mem::ManuallyDrop::new(Rc::::from_raw(ptr)) }; + // Now increase refcount, but don't drop new refcount either + let _rc_clone: mem::ManuallyDrop<_> = rc.clone(); + } + + /// Decrements the strong reference count on the `Rc` associated with the + /// provided pointer by one. + /// + /// # Safety + /// + /// The pointer must have been obtained through `Rc::into_raw`, and the + /// associated `Rc` instance must be valid (i.e. the strong count must be at + /// least 1) when invoking this method. This method can be used to release + /// the final `Rc` and backing storage, but **should not** be called after + /// the final `Rc` has been released. + /// + /// # Examples + /// + /// ``` + /// use std::rc::Rc; + /// + /// let five = Rc::new(5); + /// + /// unsafe { + /// let ptr = Rc::into_raw(five); + /// Rc::increment_strong_count(ptr); + /// + /// let five = Rc::from_raw(ptr); + /// assert_eq!(2, Rc::strong_count(&five)); + /// Rc::decrement_strong_count(ptr); + /// assert_eq!(1, Rc::strong_count(&five)); + /// } + /// ``` + #[inline] + #[stable(feature = "rc_mutate_strong_count", since = "1.53.0")] + pub unsafe fn decrement_strong_count(ptr: *const T) { + unsafe { mem::drop(Rc::from_raw(ptr)) }; + } + /// Returns `true` if there are no other `Rc` or [`Weak`] pointers to /// this allocation. #[inline] @@ -1848,8 +1915,11 @@ impl> ToRcSlice for I { Rc::from_iter_exact(self, low) } } else { - // Fall back to normal implementation. - self.collect::>().into() + // TrustedLen contract guarantees that `upper_bound == `None` implies an iterator + // length exceeding `usize::MAX`. + // The default implementation would collect into a vec which would panic. + // Thus we panic here immediately without invoking `Vec` code. + panic!("capacity overflow"); } } } diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index aeae888dddc0..1b7e656cefd9 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -2481,8 +2481,11 @@ impl> ToArcSlice for I { Arc::from_iter_exact(self, low) } } else { - // Fall back to normal implementation. - self.collect::>().into() + // TrustedLen contract guarantees that `upper_bound == `None` implies an iterator + // length exceeding `usize::MAX`. + // The default implementation would collect into a vec which would panic. + // Thus we panic here immediately without invoking `Vec` code. + panic!("capacity overflow"); } } } diff --git a/library/alloc/src/vec/into_iter.rs b/library/alloc/src/vec/into_iter.rs index bcbdffabc7fb..324e894bafd2 100644 --- a/library/alloc/src/vec/into_iter.rs +++ b/library/alloc/src/vec/into_iter.rs @@ -85,20 +85,29 @@ impl IntoIter { ptr::slice_from_raw_parts_mut(self.ptr as *mut T, self.len()) } - pub(super) fn drop_remaining(&mut self) { - unsafe { - ptr::drop_in_place(self.as_mut_slice()); - } - self.ptr = self.end; - } + /// Drops remaining elements and relinquishes the backing allocation. + /// + /// This is roughly equivalent to the following, but more efficient + /// + /// ``` + /// # let mut into_iter = Vec::::with_capacity(10).into_iter(); + /// (&mut into_iter).for_each(core::mem::drop); + /// unsafe { core::ptr::write(&mut into_iter, Vec::new().into_iter()); } + /// ``` + pub(super) fn forget_allocation_drop_remaining(&mut self) { + let remaining = self.as_raw_mut_slice(); - /// Relinquishes the backing allocation, equivalent to - /// `ptr::write(&mut self, Vec::new().into_iter())` - pub(super) fn forget_allocation(&mut self) { + // overwrite the individual fields instead of creating a new + // struct and then overwriting &mut self. + // this creates less assembly self.cap = 0; self.buf = unsafe { NonNull::new_unchecked(RawVec::NEW.ptr()) }; self.ptr = self.buf.as_ptr(); self.end = self.buf.as_ptr(); + + unsafe { + ptr::drop_in_place(remaining); + } } } diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs index 20c2aae1789a..91c3b16deee7 100644 --- a/library/alloc/src/vec/mod.rs +++ b/library/alloc/src/vec/mod.rs @@ -410,6 +410,10 @@ impl Vec { /// /// [Capacity and reallocation]: #capacity-and-reallocation /// + /// # Panics + /// + /// Panics if the new capacity exceeds `isize::MAX` bytes. + /// /// # Examples /// /// ``` @@ -541,6 +545,10 @@ impl Vec { /// /// [Capacity and reallocation]: #capacity-and-reallocation /// + /// # Panics + /// + /// Panics if the new capacity exceeds `isize::MAX` bytes. + /// /// # Examples /// /// ``` diff --git a/library/alloc/src/vec/source_iter_marker.rs b/library/alloc/src/vec/source_iter_marker.rs index 50882fc17673..e857d284d3ab 100644 --- a/library/alloc/src/vec/source_iter_marker.rs +++ b/library/alloc/src/vec/source_iter_marker.rs @@ -69,9 +69,9 @@ where } // drop any remaining values at the tail of the source - src.drop_remaining(); // but prevent drop of the allocation itself once IntoIter goes out of scope - src.forget_allocation(); + // if the drop panics then we also leak any elements collected into dst_buf + src.forget_allocation_drop_remaining(); let vec = unsafe { Vec::from_raw_parts(dst_buf, len, cap) }; diff --git a/library/alloc/src/vec/spec_extend.rs b/library/alloc/src/vec/spec_extend.rs index b6186a7ebaf7..e132befcfa5e 100644 --- a/library/alloc/src/vec/spec_extend.rs +++ b/library/alloc/src/vec/spec_extend.rs @@ -47,7 +47,12 @@ where }); } } else { - self.extend_desugared(iterator) + // Per TrustedLen contract a `None` upper bound means that the iterator length + // truly exceeds usize::MAX, which would eventually lead to a capacity overflow anyway. + // Since the other branch already panics eagerly (via `reserve()`) we do the same here. + // This avoids additional codegen for a fallback code path which would eventually + // panic anyway. + panic!("capacity overflow"); } } } diff --git a/library/alloc/src/vec/spec_from_iter_nested.rs b/library/alloc/src/vec/spec_from_iter_nested.rs index ec390c62165a..948cf044197c 100644 --- a/library/alloc/src/vec/spec_from_iter_nested.rs +++ b/library/alloc/src/vec/spec_from_iter_nested.rs @@ -46,10 +46,13 @@ where fn from_iter(iterator: I) -> Self { let mut vector = match iterator.size_hint() { (_, Some(upper)) => Vec::with_capacity(upper), - _ => Vec::new(), + // TrustedLen contract guarantees that `size_hint() == (_, None)` means that there + // are more than `usize::MAX` elements. + // Since the previous branch would eagerly panic if the capacity is too large + // (via `with_capacity`) we do the same here. + _ => panic!("capacity overflow"), }; - // must delegate to spec_extend() since extend() itself delegates - // to spec_from for empty Vecs + // reuse extend specialization for TrustedLen vector.spec_extend(iterator); vector } diff --git a/library/alloc/tests/lib.rs b/library/alloc/tests/lib.rs index c75a6c1f6199..7e1194cc4aa2 100644 --- a/library/alloc/tests/lib.rs +++ b/library/alloc/tests/lib.rs @@ -14,6 +14,7 @@ #![feature(binary_heap_drain_sorted)] #![feature(slice_ptr_get)] #![feature(binary_heap_retain)] +#![feature(binary_heap_as_slice)] #![feature(inplace_iteration)] #![feature(iter_map_while)] #![feature(vecdeque_binary_search)] diff --git a/library/alloc/tests/vec.rs b/library/alloc/tests/vec.rs index c142536cd2df..4dcc5d30debf 100644 --- a/library/alloc/tests/vec.rs +++ b/library/alloc/tests/vec.rs @@ -1004,9 +1004,9 @@ fn test_from_iter_specialization_with_iterator_adapters() { .map_while(Option::Some) .peekable() .skip(1) - .map(|e| std::num::NonZeroUsize::new(e)); + .map(|e| if e != usize::MAX { Ok(std::num::NonZeroUsize::new(e)) } else { Err(()) }); assert_in_place_trait(&iter); - let sink = iter.collect::>(); + let sink = iter.collect::, _>>().unwrap(); let sinkptr = sink.as_ptr(); assert_eq!(srcptr, sinkptr as *const usize); } @@ -1027,7 +1027,7 @@ fn test_from_iter_specialization_head_tail_drop() { } #[test] -fn test_from_iter_specialization_panic_drop() { +fn test_from_iter_specialization_panic_during_iteration_drops() { let drop_count: Vec<_> = (0..=2).map(|_| Rc::new(())).collect(); let src: Vec<_> = drop_count.iter().cloned().collect(); let iter = src.into_iter(); @@ -1050,6 +1050,51 @@ fn test_from_iter_specialization_panic_drop() { ); } +#[test] +fn test_from_iter_specialization_panic_during_drop_leaks() { + static mut DROP_COUNTER: usize = 0; + + #[derive(Debug)] + enum Droppable { + DroppedTwice(Box), + PanicOnDrop, + } + + impl Drop for Droppable { + fn drop(&mut self) { + match self { + Droppable::DroppedTwice(_) => { + unsafe { + DROP_COUNTER += 1; + } + println!("Dropping!") + } + Droppable::PanicOnDrop => { + if !std::thread::panicking() { + panic!(); + } + } + } + } + } + + let mut to_free: *mut Droppable = core::ptr::null_mut(); + let mut cap = 0; + + let _ = std::panic::catch_unwind(AssertUnwindSafe(|| { + let mut v = vec![Droppable::DroppedTwice(Box::new(123)), Droppable::PanicOnDrop]; + to_free = v.as_mut_ptr(); + cap = v.capacity(); + let _ = v.into_iter().take(0).collect::>(); + })); + + assert_eq!(unsafe { DROP_COUNTER }, 1); + // clean up the leak to keep miri happy + unsafe { + drop(Vec::from_raw_parts(to_free, 0, cap)); + } +} + #[test] fn test_cow_from() { let borrowed: &[_] = &["borrowed", "(slice)"]; diff --git a/library/backtrace b/library/backtrace index af078ecc0b06..710fc18ddcb6 160000 --- a/library/backtrace +++ b/library/backtrace @@ -1 +1 @@ -Subproject commit af078ecc0b069ec594982f92d4c6c58af99efbb5 +Subproject commit 710fc18ddcb6c7677b3c96359abb35da37f2a488 diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs index 9a2908c275da..4820588df25c 100644 --- a/library/core/src/cell.rs +++ b/library/core/src/cell.rs @@ -1815,7 +1815,7 @@ impl UnsafeCell { /// ``` #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_stable(feature = "const_unsafe_cell_new", since = "1.32.0")] - #[inline] + #[inline(always)] pub const fn new(value: T) -> UnsafeCell { UnsafeCell { value } } @@ -1831,7 +1831,7 @@ impl UnsafeCell { /// /// let five = uc.into_inner(); /// ``` - #[inline] + #[inline(always)] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "78729")] pub const fn into_inner(self) -> T { @@ -1856,7 +1856,7 @@ impl UnsafeCell { /// /// let five = uc.get(); /// ``` - #[inline] + #[inline(always)] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_stable(feature = "const_unsafecell_get", since = "1.32.0")] pub const fn get(&self) -> *mut T { @@ -1881,7 +1881,7 @@ impl UnsafeCell { /// /// assert_eq!(*c.get_mut(), 6); /// ``` - #[inline] + #[inline(always)] #[stable(feature = "unsafe_cell_get_mut", since = "1.50.0")] pub fn get_mut(&mut self) -> &mut T { &mut self.value @@ -1914,7 +1914,7 @@ impl UnsafeCell { /// /// assert_eq!(uc.into_inner(), 5); /// ``` - #[inline] + #[inline(always)] #[unstable(feature = "unsafe_cell_raw_get", issue = "66358")] pub const fn raw_get(this: *const Self) -> *mut T { // We can just cast the pointer from `UnsafeCell` to `T` because of diff --git a/library/core/src/cmp.rs b/library/core/src/cmp.rs index 5bab1fb93dbb..1dbf47206e4a 100644 --- a/library/core/src/cmp.rs +++ b/library/core/src/cmp.rs @@ -981,7 +981,8 @@ pub trait PartialOrd: PartialEq { #[must_use] #[stable(feature = "rust1", since = "1.0.0")] fn le(&self, other: &Rhs) -> bool { - matches!(self.partial_cmp(other), Some(Less | Equal)) + // Pattern `Some(Less | Eq)` optimizes worse than negating `None | Some(Greater)`. + !matches!(self.partial_cmp(other), None | Some(Greater)) } /// This method tests greater than (for `self` and `other`) and is used by the `>` operator. @@ -1058,8 +1059,6 @@ pub fn min(v1: T, v2: T) -> T { /// # Examples /// /// ``` -/// #![feature(cmp_min_max_by)] -/// /// use std::cmp; /// /// assert_eq!(cmp::min_by(-2, 1, |x: &i32, y: &i32| x.abs().cmp(&y.abs())), 1); @@ -1067,7 +1066,7 @@ pub fn min(v1: T, v2: T) -> T { /// ``` #[inline] #[must_use] -#[unstable(feature = "cmp_min_max_by", issue = "64460")] +#[stable(feature = "cmp_min_max_by", since = "1.53.0")] pub fn min_by Ordering>(v1: T, v2: T, compare: F) -> T { match compare(&v1, &v2) { Ordering::Less | Ordering::Equal => v1, @@ -1082,8 +1081,6 @@ pub fn min_by Ordering>(v1: T, v2: T, compare: F) -> T { /// # Examples /// /// ``` -/// #![feature(cmp_min_max_by)] -/// /// use std::cmp; /// /// assert_eq!(cmp::min_by_key(-2, 1, |x: &i32| x.abs()), 1); @@ -1091,7 +1088,7 @@ pub fn min_by Ordering>(v1: T, v2: T, compare: F) -> T { /// ``` #[inline] #[must_use] -#[unstable(feature = "cmp_min_max_by", issue = "64460")] +#[stable(feature = "cmp_min_max_by", since = "1.53.0")] pub fn min_by_key K, K: Ord>(v1: T, v2: T, mut f: F) -> T { min_by(v1, v2, |v1, v2| f(v1).cmp(&f(v2))) } @@ -1124,8 +1121,6 @@ pub fn max(v1: T, v2: T) -> T { /// # Examples /// /// ``` -/// #![feature(cmp_min_max_by)] -/// /// use std::cmp; /// /// assert_eq!(cmp::max_by(-2, 1, |x: &i32, y: &i32| x.abs().cmp(&y.abs())), -2); @@ -1133,7 +1128,7 @@ pub fn max(v1: T, v2: T) -> T { /// ``` #[inline] #[must_use] -#[unstable(feature = "cmp_min_max_by", issue = "64460")] +#[stable(feature = "cmp_min_max_by", since = "1.53.0")] pub fn max_by Ordering>(v1: T, v2: T, compare: F) -> T { match compare(&v1, &v2) { Ordering::Less | Ordering::Equal => v2, @@ -1148,8 +1143,6 @@ pub fn max_by Ordering>(v1: T, v2: T, compare: F) -> T { /// # Examples /// /// ``` -/// #![feature(cmp_min_max_by)] -/// /// use std::cmp; /// /// assert_eq!(cmp::max_by_key(-2, 1, |x: &i32| x.abs()), -2); @@ -1157,7 +1150,7 @@ pub fn max_by Ordering>(v1: T, v2: T, compare: F) -> T { /// ``` #[inline] #[must_use] -#[unstable(feature = "cmp_min_max_by", issue = "64460")] +#[stable(feature = "cmp_min_max_by", since = "1.53.0")] pub fn max_by_key K, K: Ord>(v1: T, v2: T, mut f: F) -> T { max_by(v1, v2, |v1, v2| f(v1).cmp(&f(v2))) } diff --git a/library/core/src/future/future.rs b/library/core/src/future/future.rs index e9a99ddb6b1b..cc4cf54a2f76 100644 --- a/library/core/src/future/future.rs +++ b/library/core/src/future/future.rs @@ -24,7 +24,8 @@ use crate::task::{Context, Poll}; /// `.await` the value. /// /// [`Waker`]: crate::task::Waker -#[doc(spotlight)] +#[cfg_attr(bootstrap, doc(spotlight))] +#[cfg_attr(not(bootstrap), doc(notable_trait))] #[must_use = "futures do nothing unless you `.await` or poll them"] #[stable(feature = "futures_api", since = "1.36.0")] #[lang = "future_trait"] diff --git a/library/core/src/hash/mod.rs b/library/core/src/hash/mod.rs index 7bfa58d34edf..0c3303cc2109 100644 --- a/library/core/src/hash/mod.rs +++ b/library/core/src/hash/mod.rs @@ -691,29 +691,9 @@ mod impls { impl Hash for *const T { #[inline] fn hash(&self, state: &mut H) { - #[cfg(not(bootstrap))] - { - let (address, metadata) = self.to_raw_parts(); - state.write_usize(address as usize); - metadata.hash(state); - } - #[cfg(bootstrap)] - { - if mem::size_of::() == mem::size_of::() { - // Thin pointer - state.write_usize(*self as *const () as usize); - } else { - // Fat pointer - // SAFETY: we are accessing the memory occupied by `self` - // which is guaranteed to be valid. - // This assumes a fat pointer can be represented by a `(usize, usize)`, - // which is safe to do in `std` because it is shipped and kept in sync - // with the implementation of fat pointers in `rustc`. - let (a, b) = unsafe { *(self as *const Self as *const (usize, usize)) }; - state.write_usize(a); - state.write_usize(b); - } - } + let (address, metadata) = self.to_raw_parts(); + state.write_usize(address as usize); + metadata.hash(state); } } @@ -721,29 +701,9 @@ mod impls { impl Hash for *mut T { #[inline] fn hash(&self, state: &mut H) { - #[cfg(not(bootstrap))] - { - let (address, metadata) = self.to_raw_parts(); - state.write_usize(address as usize); - metadata.hash(state); - } - #[cfg(bootstrap)] - { - if mem::size_of::() == mem::size_of::() { - // Thin pointer - state.write_usize(*self as *const () as usize); - } else { - // Fat pointer - // SAFETY: we are accessing the memory occupied by `self` - // which is guaranteed to be valid. - // This assumes a fat pointer can be represented by a `(usize, usize)`, - // which is safe to do in `std` because it is shipped and kept in sync - // with the implementation of fat pointers in `rustc`. - let (a, b) = unsafe { *(self as *const Self as *const (usize, usize)) }; - state.write_usize(a); - state.write_usize(b); - } - } + let (address, metadata) = self.to_raw_parts(); + state.write_usize(address as usize); + metadata.hash(state); } } } diff --git a/library/core/src/iter/adapters/mod.rs b/library/core/src/iter/adapters/mod.rs index ba4050757cb9..61d8351d59f0 100644 --- a/library/core/src/iter/adapters/mod.rs +++ b/library/core/src/iter/adapters/mod.rs @@ -194,3 +194,26 @@ where self.try_fold(init, ok(fold)).unwrap() } } + +#[unstable(issue = "none", feature = "inplace_iteration")] +unsafe impl SourceIter for ResultShunt<'_, I, E> +where + I: SourceIter, +{ + type Source = S; + + #[inline] + unsafe fn as_inner(&mut self) -> &mut S { + // SAFETY: unsafe function forwarding to unsafe function with the same requirements + unsafe { SourceIter::as_inner(&mut self.iter) } + } +} + +// SAFETY: ResultShunt::next calls I::find, which has to advance `iter` in order to +// return `Some(_)`. Since `iter` has type `I: InPlaceIterable` it's guaranteed that +// at least one item will be moved out from the underlying source. +#[unstable(issue = "none", feature = "inplace_iteration")] +unsafe impl InPlaceIterable for ResultShunt<'_, I, E> where + I: Iterator> + InPlaceIterable +{ +} diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs index e75a36477188..d5d0c287992c 100644 --- a/library/core/src/iter/traits/iterator.rs +++ b/library/core/src/iter/traits/iterator.rs @@ -92,7 +92,8 @@ fn _assert_is_object_safe(_: &dyn Iterator) {} label = "`{Self}` is not an iterator", message = "`{Self}` is not an iterator" )] -#[doc(spotlight)] +#[cfg_attr(bootstrap, doc(spotlight))] +#[cfg_attr(not(bootstrap), doc(notable_trait))] #[rustc_diagnostic_item = "Iterator"] #[must_use = "iterators are lazy and do nothing unless consumed"] pub trait Iterator { diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index f47ad7e6bc21..013e98a86609 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -109,7 +109,8 @@ #![feature(custom_inner_attributes)] #![feature(decl_macro)] #![feature(doc_cfg)] -#![feature(doc_spotlight)] +#![cfg_attr(bootstrap, feature(doc_spotlight))] +#![cfg_attr(not(bootstrap), feature(doc_notable_trait))] #![feature(duration_consts_2)] #![feature(duration_saturating_ops)] #![feature(extended_key_value_attributes)] @@ -128,7 +129,7 @@ #![feature(auto_traits)] #![cfg_attr(bootstrap, feature(or_patterns))] #![feature(prelude_import)] -#![cfg_attr(not(bootstrap), feature(ptr_metadata))] +#![feature(ptr_metadata)] #![feature(repr_simd, platform_intrinsics)] #![feature(rustc_attrs)] #![feature(simd_ffi)] @@ -166,7 +167,6 @@ #![feature(slice_ptr_get)] #![feature(no_niche)] // rust-lang/rust#68303 #![feature(int_error_matching)] -#![cfg_attr(bootstrap, feature(unsafe_block_in_unsafe_fn))] #![deny(unsafe_op_in_unsafe_fn)] #[prelude_import] @@ -298,8 +298,7 @@ pub mod primitive; unused_imports, unsafe_op_in_unsafe_fn )] -#[cfg_attr(bootstrap, allow(non_autolinks))] -#[cfg_attr(not(bootstrap), allow(rustdoc::non_autolinks))] +#[allow(rustdoc::non_autolinks)] // FIXME: This annotation should be moved into rust-lang/stdarch after clashing_extern_declarations is // merged. It currently cannot because bootstrap fails as the lint hasn't been defined yet. #[allow(clashing_extern_declarations)] diff --git a/library/core/src/macros/mod.rs b/library/core/src/macros/mod.rs index 99894b5605e6..5d9b0f80d3a6 100644 --- a/library/core/src/macros/mod.rs +++ b/library/core/src/macros/mod.rs @@ -1391,7 +1391,6 @@ pub(crate) mod builtin { } /// Attribute macro used to apply derive macros. - #[cfg(not(bootstrap))] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_builtin_macro] pub macro derive($item:item) { @@ -1453,7 +1452,6 @@ pub(crate) mod builtin { } /// Expands all `#[cfg]` and `#[cfg_attr]` attributes in the code fragment it's applied to. - #[cfg(not(bootstrap))] #[unstable( feature = "cfg_eval", issue = "82679", diff --git a/library/core/src/marker.rs b/library/core/src/marker.rs index 85e0e7200875..fb957348bebd 100644 --- a/library/core/src/marker.rs +++ b/library/core/src/marker.rs @@ -765,7 +765,7 @@ unsafe impl Freeze for &mut T {} /// [`pin` module]: crate::pin #[stable(feature = "pin", since = "1.33.0")] #[rustc_on_unimplemented( - on(_Self = "std::future::Future", note = "consider using `Box::pin`",), + note = "consider using `Box::pin`", message = "`{Self}` cannot be unpinned" )] #[lang = "unpin"] diff --git a/library/core/src/mem/maybe_uninit.rs b/library/core/src/mem/maybe_uninit.rs index cb072931232d..64342de6341b 100644 --- a/library/core/src/mem/maybe_uninit.rs +++ b/library/core/src/mem/maybe_uninit.rs @@ -190,6 +190,8 @@ use crate::ptr; /// let ptr = uninit.as_mut_ptr(); /// /// // Initializing the `name` field +/// // Using `write` instead of assignment via `=` to not call `drop` on the +/// // old, uninitialized value. /// unsafe { addr_of_mut!((*ptr).name).write("Bob".to_string()); } /// /// // Initializing the `list` field @@ -319,9 +321,9 @@ impl MaybeUninit { /// Create a new array of `MaybeUninit` items, in an uninitialized state. /// /// Note: in a future Rust version this method may become unnecessary - /// when array literal syntax allows - /// [repeating const expressions](https://github.com/rust-lang/rust/issues/49147). - /// The example below could then use `let mut buf = [MaybeUninit::::uninit(); 32];`. + /// when Rust allows + /// [inline const expressions](https://github.com/rust-lang/rust/issues/76001). + /// The example below could then use `let mut buf = [const { MaybeUninit::::uninit() }; 32];`. /// /// # Examples /// diff --git a/library/core/src/num/mod.rs b/library/core/src/num/mod.rs index f0bd976ba83d..6032dc9a2d37 100644 --- a/library/core/src/num/mod.rs +++ b/library/core/src/num/mod.rs @@ -2,6 +2,7 @@ #![stable(feature = "rust1", since = "1.0.0")] +use crate::ascii; use crate::intrinsics; use crate::mem; use crate::str::FromStr; @@ -661,6 +662,31 @@ impl u8 { pub const fn is_ascii_control(&self) -> bool { matches!(*self, b'\0'..=b'\x1F' | b'\x7F') } + + /// Returns an iterator that produces an escaped version of a `u8`, + /// treating it as an ASCII character. + /// + /// The behavior is identical to [`ascii::escape_default`]. + /// + /// # Examples + /// + /// ``` + /// #![feature(inherent_ascii_escape)] + /// + /// assert_eq!("0", b'0'.escape_ascii().to_string()); + /// assert_eq!("\\t", b'\t'.escape_ascii().to_string()); + /// assert_eq!("\\r", b'\r'.escape_ascii().to_string()); + /// assert_eq!("\\n", b'\n'.escape_ascii().to_string()); + /// assert_eq!("\\'", b'\''.escape_ascii().to_string()); + /// assert_eq!("\\\"", b'"'.escape_ascii().to_string()); + /// assert_eq!("\\\\", b'\\'.escape_ascii().to_string()); + /// assert_eq!("\\x9d", b'\x9d'.escape_ascii().to_string()); + /// ``` + #[unstable(feature = "inherent_ascii_escape", issue = "77174")] + #[inline] + pub fn escape_ascii(&self) -> ascii::EscapeDefault { + ascii::escape_default(*self) + } } #[lang = "u16"] diff --git a/library/core/src/ops/deref.rs b/library/core/src/ops/deref.rs index 10e3ce67448c..dcf3ce070ec6 100644 --- a/library/core/src/ops/deref.rs +++ b/library/core/src/ops/deref.rs @@ -65,7 +65,7 @@ pub trait Deref { /// The resulting type after dereferencing. #[stable(feature = "rust1", since = "1.0.0")] #[rustc_diagnostic_item = "deref_target"] - #[cfg_attr(not(bootstrap), lang = "deref_target")] + #[lang = "deref_target"] type Target: ?Sized; /// Dereferences the value. diff --git a/library/core/src/prelude/v1.rs b/library/core/src/prelude/v1.rs index 7d33ca8bb698..c89fe57cb05c 100644 --- a/library/core/src/prelude/v1.rs +++ b/library/core/src/prelude/v1.rs @@ -67,7 +67,6 @@ pub use crate::macros::builtin::{ bench, global_allocator, test, test_case, RustcDecodable, RustcEncodable, }; -#[cfg(not(bootstrap))] #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] #[doc(no_inline)] pub use crate::macros::builtin::derive; @@ -80,7 +79,6 @@ pub use crate::macros::builtin::derive; #[doc(no_inline)] pub use crate::macros::builtin::cfg_accessible; -#[cfg(not(bootstrap))] #[unstable( feature = "cfg_eval", issue = "82679", diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs index b511466acd63..f18387d020d4 100644 --- a/library/core/src/ptr/const_ptr.rs +++ b/library/core/src/ptr/const_ptr.rs @@ -51,7 +51,6 @@ impl *const T { /// Decompose a (possibly wide) pointer into is address and metadata components. /// /// The pointer can be later reconstructed with [`from_raw_parts`]. - #[cfg(not(bootstrap))] #[unstable(feature = "ptr_metadata", issue = "81513")] #[rustc_const_unstable(feature = "ptr_metadata", issue = "81513")] #[inline] @@ -184,8 +183,7 @@ impl *const T { /// Behavior: /// /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same allocated object. Note that in Rust, - /// every (stack-allocated) variable is considered a separate allocated object. + /// byte past the end of the same [allocated object]. /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. /// @@ -210,6 +208,7 @@ impl *const T { /// enables more aggressive compiler optimizations. /// /// [`wrapping_offset`]: #method.wrapping_offset + /// [allocated object]: crate::ptr#allocated-object /// /// # Examples /// @@ -245,9 +244,8 @@ impl *const T { /// /// This operation itself is always safe, but using the resulting pointer is not. /// - /// The resulting pointer remains attached to the same allocated object that `self` points to. - /// It may *not* be used to access a different allocated object. Note that in Rust, every - /// (stack-allocated) variable is considered a separate allocated object. + /// The resulting pointer "remembers" the [allocated object] that `self` points to; it may not + /// be used to read or write other allocated objects. /// /// In other words, `let z = x.wrapping_offset((y as isize) - (x as isize))` does *not* make `z` /// the same as `y` even if we assume `T` has size `1` and there is no overflow: `z` is still @@ -265,10 +263,8 @@ impl *const T { /// `x.wrapping_offset(o).wrapping_offset(o.wrapping_neg())` is always the same as `x`. In other /// words, leaving the allocated object and then re-entering it later is permitted. /// - /// If you need to cross object boundaries, cast the pointer to an integer and - /// do the arithmetic there. - /// /// [`offset`]: #method.offset + /// [allocated object]: crate::ptr#allocated-object /// /// # Examples /// @@ -314,8 +310,7 @@ impl *const T { /// Behavior: /// /// * Both the starting and other pointer must be either in bounds or one - /// byte past the end of the same allocated object. Note that in Rust, - /// every (stack-allocated) variable is considered a separate allocated object. + /// byte past the end of the same [allocated object]. /// /// * Both pointers must be *derived from* a pointer to the same object. /// (See below for an example.) @@ -345,6 +340,7 @@ impl *const T { /// such large allocations either.) /// /// [`add`]: #method.add + /// [allocated object]: crate::ptr#allocated-object /// /// # Panics /// @@ -468,8 +464,7 @@ impl *const T { /// Behavior: /// /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same allocated object. Note that in Rust, - /// every (stack-allocated) variable is considered a separate allocated object. + /// byte past the end of the same [allocated object]. /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. /// @@ -494,6 +489,7 @@ impl *const T { /// enables more aggressive compiler optimizations. /// /// [`wrapping_add`]: #method.wrapping_add + /// [allocated object]: crate::ptr#allocated-object /// /// # Examples /// @@ -532,8 +528,7 @@ impl *const T { /// Behavior: /// /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same allocated object. Note that in Rust, - /// every (stack-allocated) variable is considered a separate allocated object. + /// byte past the end of the same [allocated object]. /// /// * The computed offset cannot exceed `isize::MAX` **bytes**. /// @@ -558,6 +553,7 @@ impl *const T { /// enables more aggressive compiler optimizations. /// /// [`wrapping_sub`]: #method.wrapping_sub + /// [allocated object]: crate::ptr#allocated-object /// /// # Examples /// @@ -594,9 +590,8 @@ impl *const T { /// /// This operation itself is always safe, but using the resulting pointer is not. /// - /// The resulting pointer remains attached to the same allocated object that `self` points to. - /// It may *not* be used to access a different allocated object. Note that in Rust, every - /// (stack-allocated) variable is considered a separate allocated object. + /// The resulting pointer "remembers" the [allocated object] that `self` points to; it may not + /// be used to read or write other allocated objects. /// /// In other words, `let z = x.wrapping_add((y as usize) - (x as usize))` does *not* make `z` /// the same as `y` even if we assume `T` has size `1` and there is no overflow: `z` is still @@ -614,10 +609,8 @@ impl *const T { /// `x.wrapping_add(o).wrapping_sub(o)` is always the same as `x`. In other words, leaving the /// allocated object and then re-entering it later is permitted. /// - /// If you need to cross object boundaries, cast the pointer to an integer and - /// do the arithmetic there. - /// /// [`add`]: #method.add + /// [allocated object]: crate::ptr#allocated-object /// /// # Examples /// @@ -659,9 +652,8 @@ impl *const T { /// /// This operation itself is always safe, but using the resulting pointer is not. /// - /// The resulting pointer remains attached to the same allocated object that `self` points to. - /// It may *not* be used to access a different allocated object. Note that in Rust, every - /// (stack-allocated) variable is considered a separate allocated object. + /// The resulting pointer "remembers" the [allocated object] that `self` points to; it may not + /// be used to read or write other allocated objects. /// /// In other words, `let z = x.wrapping_sub((x as usize) - (y as usize))` does *not* make `z` /// the same as `y` even if we assume `T` has size `1` and there is no overflow: `z` is still @@ -679,10 +671,8 @@ impl *const T { /// `x.wrapping_add(o).wrapping_sub(o)` is always the same as `x`. In other words, leaving the /// allocated object and then re-entering it later is permitted. /// - /// If you need to cross object boundaries, cast the pointer to an integer and - /// do the arithmetic there. - /// /// [`sub`]: #method.sub + /// [allocated object]: crate::ptr#allocated-object /// /// # Examples /// @@ -924,13 +914,6 @@ impl *const [T] { #[unstable(feature = "slice_ptr_len", issue = "71146")] #[rustc_const_unstable(feature = "const_slice_ptr_len", issue = "71146")] pub const fn len(self) -> usize { - #[cfg(bootstrap)] - { - // SAFETY: this is safe because `*const [T]` and `FatPtr` have the same layout. - // Only `std` can make this guarantee. - unsafe { Repr { rust: self }.raw }.len - } - #[cfg(not(bootstrap))] metadata(self) } @@ -997,7 +980,7 @@ impl *const [T] { /// * The pointer must be [valid] for reads for `ptr.len() * mem::size_of::()` many bytes, /// and it must be properly aligned. This means in particular: /// - /// * The entire memory range of this slice must be contained within a single allocated object! + /// * The entire memory range of this slice must be contained within a single [allocated object]! /// Slices can never span across multiple allocated objects. /// /// * The pointer must be aligned even for zero-length slices. One @@ -1019,6 +1002,7 @@ impl *const [T] { /// See also [`slice::from_raw_parts`][]. /// /// [valid]: crate::ptr#safety + /// [allocated object]: crate::ptr#allocated-object #[inline] #[unstable(feature = "ptr_as_uninit", issue = "75402")] pub unsafe fn as_uninit_slice<'a>(self) -> Option<&'a [MaybeUninit]> { diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index 2392f0174b6f..6e207156b55a 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -55,6 +55,14 @@ //! has size 0, i.e., even if memory is not actually touched. Consider using //! [`NonNull::dangling`] in such cases. //! +//! ## Allocated object +//! +//! For several operations, such as [`offset`] or field projections (`expr.field`), the notion of an +//! "allocated object" becomes relevant. An allocated object is a contiguous region of memory. +//! Common examples of allocated objects include stack-allocated variables (each variable is a +//! separate allocated object), heap allocations (each allocation created by the global allocator is +//! a separate allocated object), and `static` variables. +//! //! [aliasing]: ../../nomicon/aliasing.html //! [book]: ../../book/ch19-01-unsafe-rust.html#dereferencing-a-raw-pointer //! [ub]: ../../reference/behavior-considered-undefined.html @@ -82,11 +90,8 @@ pub use crate::intrinsics::copy; #[doc(inline)] pub use crate::intrinsics::write_bytes; -#[cfg(not(bootstrap))] mod metadata; -#[cfg(not(bootstrap))] pub(crate) use metadata::PtrRepr; -#[cfg(not(bootstrap))] #[unstable(feature = "ptr_metadata", issue = "81513")] pub use metadata::{from_raw_parts, from_raw_parts_mut, metadata, DynMetadata, Pointee, Thin}; @@ -228,33 +233,6 @@ pub const fn null_mut() -> *mut T { 0 as *mut T } -#[cfg(bootstrap)] -#[repr(C)] -pub(crate) union Repr { - pub(crate) rust: *const [T], - rust_mut: *mut [T], - pub(crate) raw: FatPtr, -} - -#[cfg(bootstrap)] -#[repr(C)] -pub(crate) struct FatPtr { - data: *const T, - pub(crate) len: usize, -} - -#[cfg(bootstrap)] -// Manual impl needed to avoid `T: Clone` bound. -impl Clone for FatPtr { - fn clone(&self) -> Self { - *self - } -} - -#[cfg(bootstrap)] -// Manual impl needed to avoid `T: Copy` bound. -impl Copy for FatPtr {} - /// Forms a raw slice from a pointer and a length. /// /// The `len` argument is the number of **elements**, not the number of bytes. @@ -279,14 +257,6 @@ impl Copy for FatPtr {} #[stable(feature = "slice_from_raw_parts", since = "1.42.0")] #[rustc_const_unstable(feature = "const_slice_from_raw_parts", issue = "67456")] pub const fn slice_from_raw_parts(data: *const T, len: usize) -> *const [T] { - #[cfg(bootstrap)] - { - // SAFETY: Accessing the value from the `Repr` union is safe since *const [T] - // and FatPtr have the same memory layouts. Only std can make this - // guarantee. - unsafe { Repr { raw: FatPtr { data, len } }.rust } - } - #[cfg(not(bootstrap))] from_raw_parts(data.cast(), len) } @@ -319,13 +289,6 @@ pub const fn slice_from_raw_parts(data: *const T, len: usize) -> *const [T] { #[stable(feature = "slice_from_raw_parts", since = "1.42.0")] #[rustc_const_unstable(feature = "const_slice_from_raw_parts", issue = "67456")] pub const fn slice_from_raw_parts_mut(data: *mut T, len: usize) -> *mut [T] { - #[cfg(bootstrap)] - { - // SAFETY: Accessing the value from the `Repr` union is safe since *mut [T] - // and FatPtr have the same memory layouts - unsafe { Repr { raw: FatPtr { data, len } }.rust_mut } - } - #[cfg(not(bootstrap))] from_raw_parts_mut(data.cast(), len) } @@ -465,19 +428,32 @@ pub const unsafe fn swap_nonoverlapping(x: *mut T, y: *mut T, count: usize) { #[inline] #[rustc_const_unstable(feature = "const_swap", issue = "83163")] pub(crate) const unsafe fn swap_nonoverlapping_one(x: *mut T, y: *mut T) { - // For types smaller than the block optimization below, - // just swap directly to avoid pessimizing codegen. - if mem::size_of::() < 32 { - // SAFETY: the caller must guarantee that `x` and `y` are valid - // for writes, properly aligned, and non-overlapping. - unsafe { - let z = read(x); - copy_nonoverlapping(y, x, 1); - write(y, z); + // NOTE(eddyb) SPIR-V's Logical addressing model doesn't allow for arbitrary + // reinterpretation of values as (chunkable) byte arrays, and the loop in the + // block optimization in `swap_nonoverlapping_bytes` is hard to rewrite back + // into the (unoptimized) direct swapping implementation, so we disable it. + // FIXME(eddyb) the block optimization also prevents MIR optimizations from + // understanding `mem::replace`, `Option::take`, etc. - a better overall + // solution might be to make `swap_nonoverlapping` into an intrinsic, which + // a backend can choose to implement using the block optimization, or not. + #[cfg(not(target_arch = "spirv"))] + { + // Only apply the block optimization in `swap_nonoverlapping_bytes` for types + // at least as large as the block size, to avoid pessimizing codegen. + if mem::size_of::() >= 32 { + // SAFETY: the caller must uphold the safety contract for `swap_nonoverlapping`. + unsafe { swap_nonoverlapping(x, y, 1) }; + return; } - } else { - // SAFETY: the caller must uphold the safety contract for `swap_nonoverlapping`. - unsafe { swap_nonoverlapping(x, y, 1) }; + } + + // Direct swapping, for the cases not going through the block optimization. + // SAFETY: the caller must guarantee that `x` and `y` are valid + // for writes, properly aligned, and non-overlapping. + unsafe { + let z = read(x); + copy_nonoverlapping(y, x, 1); + write(y, z); } } @@ -1516,6 +1492,10 @@ fnptr_impls_args! { A, B, C, D, E, F, G, H, I, J, K, L } /// as all other references. This macro can create a raw pointer *without* creating /// a reference first. /// +/// Note, however, that the `expr` in `addr_of!(expr)` is still subject to all +/// the usual rules. In particular, `addr_of!(*ptr::null())` is Undefined +/// Behavior because it dereferences a NULL pointer. +/// /// # Example /// /// ``` @@ -1532,6 +1512,10 @@ fnptr_impls_args! { A, B, C, D, E, F, G, H, I, J, K, L } /// let raw_f2 = ptr::addr_of!(packed.f2); /// assert_eq!(unsafe { raw_f2.read_unaligned() }, 2); /// ``` +/// +/// See [`addr_of_mut`] for how to create a pointer to unininitialized data. +/// Doing that with `addr_of` would not make much sense since one could only +/// read the data, and that would be Undefined Behavior. #[stable(feature = "raw_ref_macros", since = "1.51.0")] #[rustc_macro_transparency = "semitransparent"] #[allow_internal_unstable(raw_ref_op)] @@ -1548,7 +1532,13 @@ pub macro addr_of($place:expr) { /// as all other references. This macro can create a raw pointer *without* creating /// a reference first. /// -/// # Example +/// Note, however, that the `expr` in `addr_of_mut!(expr)` is still subject to all +/// the usual rules. In particular, `addr_of_mut!(*ptr::null_mut())` is Undefined +/// Behavior because it dereferences a NULL pointer. +/// +/// # Examples +/// +/// **Creating a pointer to unaligned data:** /// /// ``` /// use std::ptr; @@ -1565,6 +1555,23 @@ pub macro addr_of($place:expr) { /// unsafe { raw_f2.write_unaligned(42); } /// assert_eq!({packed.f2}, 42); // `{...}` forces copying the field instead of creating a reference. /// ``` +/// +/// **Creating a pointer to uninitialized data:** +/// +/// ```rust +/// use std::{ptr, mem::MaybeUninit}; +/// +/// struct Demo { +/// field: bool, +/// } +/// +/// let mut uninit = MaybeUninit::::uninit(); +/// // `&uninit.as_mut().field` would create a reference to an uninitialized `bool`, +/// // and thus be Undefined Behavior! +/// let f1_ptr = unsafe { ptr::addr_of_mut!((*uninit.as_mut_ptr()).field) }; +/// unsafe { f1_ptr.write(true); } +/// let init = unsafe { uninit.assume_init() }; +/// ``` #[stable(feature = "raw_ref_macros", since = "1.51.0")] #[rustc_macro_transparency = "semitransparent"] #[allow_internal_unstable(raw_ref_op)] diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs index fa09cf854353..3c6f19782833 100644 --- a/library/core/src/ptr/mut_ptr.rs +++ b/library/core/src/ptr/mut_ptr.rs @@ -50,7 +50,6 @@ impl *mut T { /// Decompose a (possibly wide) pointer into is address and metadata components. /// /// The pointer can be later reconstructed with [`from_raw_parts_mut`]. - #[cfg(not(bootstrap))] #[unstable(feature = "ptr_metadata", issue = "81513")] #[rustc_const_unstable(feature = "ptr_metadata", issue = "81513")] #[inline] @@ -189,8 +188,7 @@ impl *mut T { /// Behavior: /// /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same allocated object. Note that in Rust, - /// every (stack-allocated) variable is considered a separate allocated object. + /// byte past the end of the same [allocated object]. /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. /// @@ -215,6 +213,7 @@ impl *mut T { /// enables more aggressive compiler optimizations. /// /// [`wrapping_offset`]: #method.wrapping_offset + /// [allocated object]: crate::ptr#allocated-object /// /// # Examples /// @@ -251,9 +250,8 @@ impl *mut T { /// /// This operation itself is always safe, but using the resulting pointer is not. /// - /// The resulting pointer remains attached to the same allocated object that `self` points to. - /// It may *not* be used to access a different allocated object. Note that in Rust, every - /// (stack-allocated) variable is considered a separate allocated object. + /// The resulting pointer "remembers" the [allocated object] that `self` points to; it may not + /// be used to read or write other allocated objects. /// /// In other words, `let z = x.wrapping_offset((y as isize) - (x as isize))` does *not* make `z` /// the same as `y` even if we assume `T` has size `1` and there is no overflow: `z` is still @@ -271,10 +269,8 @@ impl *mut T { /// `x.wrapping_offset(o).wrapping_offset(o.wrapping_neg())` is always the same as `x`. In other /// words, leaving the allocated object and then re-entering it later is permitted. /// - /// If you need to cross object boundaries, cast the pointer to an integer and - /// do the arithmetic there. - /// /// [`offset`]: #method.offset + /// [allocated object]: crate::ptr#allocated-object /// /// # Examples /// @@ -485,8 +481,7 @@ impl *mut T { /// Behavior: /// /// * Both the starting and other pointer must be either in bounds or one - /// byte past the end of the same allocated object. Note that in Rust, - /// every (stack-allocated) variable is considered a separate allocated object. + /// byte past the end of the same [allocated object]. /// /// * Both pointers must be *derived from* a pointer to the same object. /// (See below for an example.) @@ -516,6 +511,7 @@ impl *mut T { /// such large allocations either.) /// /// [`add`]: #method.add + /// [allocated object]: crate::ptr#allocated-object /// /// # Panics /// @@ -575,8 +571,7 @@ impl *mut T { /// Behavior: /// /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same allocated object. Note that in Rust, - /// every (stack-allocated) variable is considered a separate allocated object. + /// byte past the end of the same [allocated object]. /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. /// @@ -639,8 +634,7 @@ impl *mut T { /// Behavior: /// /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same allocated object. Note that in Rust, - /// every (stack-allocated) variable is considered a separate allocated object. + /// byte past the end of the same [allocated object]. /// /// * The computed offset cannot exceed `isize::MAX` **bytes**. /// @@ -665,6 +659,7 @@ impl *mut T { /// enables more aggressive compiler optimizations. /// /// [`wrapping_sub`]: #method.wrapping_sub + /// [allocated object]: crate::ptr#allocated-object /// /// # Examples /// @@ -701,9 +696,8 @@ impl *mut T { /// /// This operation itself is always safe, but using the resulting pointer is not. /// - /// The resulting pointer remains attached to the same allocated object that `self` points to. - /// It may *not* be used to access a different allocated object. Note that in Rust, every - /// (stack-allocated) variable is considered a separate allocated object. + /// The resulting pointer "remembers" the [allocated object] that `self` points to; it may not + /// be used to read or write other allocated objects. /// /// In other words, `let z = x.wrapping_add((y as usize) - (x as usize))` does *not* make `z` /// the same as `y` even if we assume `T` has size `1` and there is no overflow: `z` is still @@ -721,10 +715,8 @@ impl *mut T { /// `x.wrapping_add(o).wrapping_sub(o)` is always the same as `x`. In other words, leaving the /// allocated object and then re-entering it later is permitted. /// - /// If you need to cross object boundaries, cast the pointer to an integer and - /// do the arithmetic there. - /// /// [`add`]: #method.add + /// [allocated object]: crate::ptr#allocated-object /// /// # Examples /// @@ -766,9 +758,8 @@ impl *mut T { /// /// This operation itself is always safe, but using the resulting pointer is not. /// - /// The resulting pointer remains attached to the same allocated object that `self` points to. - /// It may *not* be used to access a different allocated object. Note that in Rust, every - /// (stack-allocated) variable is considered a separate allocated object. + /// The resulting pointer "remembers" the [allocated object] that `self` points to; it may not + /// be used to read or write other allocated objects. /// /// In other words, `let z = x.wrapping_sub((x as usize) - (y as usize))` does *not* make `z` /// the same as `y` even if we assume `T` has size `1` and there is no overflow: `z` is still @@ -786,10 +777,8 @@ impl *mut T { /// `x.wrapping_add(o).wrapping_sub(o)` is always the same as `x`. In other words, leaving the /// allocated object and then re-entering it later is permitted. /// - /// If you need to cross object boundaries, cast the pointer to an integer and - /// do the arithmetic there. - /// /// [`sub`]: #method.sub + /// [allocated object]: crate::ptr#allocated-object /// /// # Examples /// @@ -1185,13 +1174,6 @@ impl *mut [T] { #[unstable(feature = "slice_ptr_len", issue = "71146")] #[rustc_const_unstable(feature = "const_slice_ptr_len", issue = "71146")] pub const fn len(self) -> usize { - #[cfg(bootstrap)] - { - // SAFETY: this is safe because `*const [T]` and `FatPtr` have the same layout. - // Only `std` can make this guarantee. - unsafe { Repr { rust_mut: self }.raw }.len - } - #[cfg(not(bootstrap))] metadata(self) } @@ -1261,7 +1243,7 @@ impl *mut [T] { /// * The pointer must be [valid] for reads for `ptr.len() * mem::size_of::()` many bytes, /// and it must be properly aligned. This means in particular: /// - /// * The entire memory range of this slice must be contained within a single allocated object! + /// * The entire memory range of this slice must be contained within a single [allocated object]! /// Slices can never span across multiple allocated objects. /// /// * The pointer must be aligned even for zero-length slices. One @@ -1283,6 +1265,7 @@ impl *mut [T] { /// See also [`slice::from_raw_parts`][]. /// /// [valid]: crate::ptr#safety + /// [allocated object]: crate::ptr#allocated-object #[inline] #[unstable(feature = "ptr_as_uninit", issue = "75402")] pub unsafe fn as_uninit_slice<'a>(self) -> Option<&'a [MaybeUninit]> { @@ -1311,7 +1294,7 @@ impl *mut [T] { /// * The pointer must be [valid] for reads and writes for `ptr.len() * mem::size_of::()` /// many bytes, and it must be properly aligned. This means in particular: /// - /// * The entire memory range of this slice must be contained within a single allocated object! + /// * The entire memory range of this slice must be contained within a single [allocated object]! /// Slices can never span across multiple allocated objects. /// /// * The pointer must be aligned even for zero-length slices. One @@ -1333,6 +1316,7 @@ impl *mut [T] { /// See also [`slice::from_raw_parts_mut`][]. /// /// [valid]: crate::ptr#safety + /// [allocated object]: crate::ptr#allocated-object #[inline] #[unstable(feature = "ptr_as_uninit", issue = "75402")] pub unsafe fn as_uninit_slice_mut<'a>(self) -> Option<&'a mut [MaybeUninit]> { diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs index 83b88ffd9169..e525f6160438 100644 --- a/library/core/src/ptr/non_null.rs +++ b/library/core/src/ptr/non_null.rs @@ -181,7 +181,6 @@ impl NonNull { /// See the documentation of [`std::ptr::from_raw_parts`] for more details. /// /// [`std::ptr::from_raw_parts`]: crate::ptr::from_raw_parts - #[cfg(not(bootstrap))] #[unstable(feature = "ptr_metadata", issue = "81513")] #[rustc_const_unstable(feature = "ptr_metadata", issue = "81513")] #[inline] @@ -198,7 +197,6 @@ impl NonNull { /// Decompose a (possibly wide) pointer into is address and metadata components. /// /// The pointer can be later reconstructed with [`NonNull::from_raw_parts`]. - #[cfg(not(bootstrap))] #[unstable(feature = "ptr_metadata", issue = "81513")] #[rustc_const_unstable(feature = "ptr_metadata", issue = "81513")] #[inline] diff --git a/library/core/src/slice/ascii.rs b/library/core/src/slice/ascii.rs index 009ef9e0a9c1..22fa08b97957 100644 --- a/library/core/src/slice/ascii.rs +++ b/library/core/src/slice/ascii.rs @@ -1,7 +1,10 @@ //! Operations on ASCII `[u8]`. +use crate::ascii; +use crate::fmt::{self, Write}; use crate::iter; use crate::mem; +use crate::ops; #[lang = "slice_u8"] #[cfg(not(test))] @@ -56,6 +59,95 @@ impl [u8] { byte.make_ascii_lowercase(); } } + + /// Returns an iterator that produces an escaped version of this slice, + /// treating it as an ASCII string. + /// + /// # Examples + /// + /// ``` + /// #![feature(inherent_ascii_escape)] + /// + /// let s = b"0\t\r\n'\"\\\x9d"; + /// let escaped = s.escape_ascii().to_string(); + /// assert_eq!(escaped, "0\\t\\r\\n\\'\\\"\\\\\\x9d"); + /// ``` + #[unstable(feature = "inherent_ascii_escape", issue = "77174")] + pub fn escape_ascii(&self) -> EscapeAscii<'_> { + EscapeAscii { inner: self.iter().flat_map(EscapeByte) } + } +} + +impl_fn_for_zst! { + #[derive(Clone)] + struct EscapeByte impl Fn = |byte: &u8| -> ascii::EscapeDefault { + ascii::escape_default(*byte) + }; +} + +/// An iterator over the escaped version of a byte slice. +/// +/// This `struct` is created by the [`slice::escape_ascii`] method. See its +/// documentation for more information. +#[unstable(feature = "inherent_ascii_escape", issue = "77174")] +#[derive(Clone)] +pub struct EscapeAscii<'a> { + inner: iter::FlatMap, ascii::EscapeDefault, EscapeByte>, +} + +#[unstable(feature = "inherent_ascii_escape", issue = "77174")] +impl<'a> iter::Iterator for EscapeAscii<'a> { + type Item = u8; + #[inline] + fn next(&mut self) -> Option { + self.inner.next() + } + #[inline] + fn size_hint(&self) -> (usize, Option) { + self.inner.size_hint() + } + #[inline] + fn try_fold(&mut self, init: Acc, fold: Fold) -> R + where + Fold: FnMut(Acc, Self::Item) -> R, + R: ops::Try, + { + self.inner.try_fold(init, fold) + } + #[inline] + fn fold(self, init: Acc, fold: Fold) -> Acc + where + Fold: FnMut(Acc, Self::Item) -> Acc, + { + self.inner.fold(init, fold) + } + #[inline] + fn last(mut self) -> Option { + self.next_back() + } +} + +#[unstable(feature = "inherent_ascii_escape", issue = "77174")] +impl<'a> iter::DoubleEndedIterator for EscapeAscii<'a> { + fn next_back(&mut self) -> Option { + self.inner.next_back() + } +} +#[unstable(feature = "inherent_ascii_escape", issue = "77174")] +impl<'a> iter::ExactSizeIterator for EscapeAscii<'a> {} +#[unstable(feature = "inherent_ascii_escape", issue = "77174")] +impl<'a> iter::FusedIterator for EscapeAscii<'a> {} +#[unstable(feature = "inherent_ascii_escape", issue = "77174")] +impl<'a> fmt::Display for EscapeAscii<'a> { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + self.clone().try_for_each(|b| f.write_char(b as char)) + } +} +#[unstable(feature = "inherent_ascii_escape", issue = "77174")] +impl<'a> fmt::Debug for EscapeAscii<'a> { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + f.pad("EscapeAscii { .. }") + } } /// Returns `true` if any byte in the word `v` is nonascii (>= 128). Snarfed diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index d7a28c8d08f7..ec28cdd1ba0d 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -81,6 +81,9 @@ pub use index::SliceIndex; #[unstable(feature = "slice_range", issue = "76393")] pub use index::range; +#[unstable(feature = "inherent_ascii_escape", issue = "77174")] +pub use ascii::EscapeAscii; + #[lang = "slice"] #[cfg(not(test))] impl [T] { @@ -99,23 +102,14 @@ impl [T] { // SAFETY: const sound because we transmute out the length field as a usize (which it must be) #[rustc_allow_const_fn_unstable(const_fn_union)] pub const fn len(&self) -> usize { - #[cfg(bootstrap)] - { - // SAFETY: this is safe because `&[T]` and `FatPtr` have the same layout. - // Only `std` can make this guarantee. - unsafe { crate::ptr::Repr { rust: self }.raw.len } - } - #[cfg(not(bootstrap))] - { - // FIXME: Replace with `crate::ptr::metadata(self)` when that is const-stable. - // As of this writing this causes a "Const-stable functions can only call other - // const-stable functions" error. - - // SAFETY: Accessing the value from the `PtrRepr` union is safe since *const T - // and PtrComponents have the same memory layouts. Only std can make this - // guarantee. - unsafe { crate::ptr::PtrRepr { const_ptr: self }.components.metadata } - } + // FIXME: Replace with `crate::ptr::metadata(self)` when that is const-stable. + // As of this writing this causes a "Const-stable functions can only call other + // const-stable functions" error. + + // SAFETY: Accessing the value from the `PtrRepr` union is safe since *const T + // and PtrComponents have the same memory layouts. Only std can make this + // guarantee. + unsafe { crate::ptr::PtrRepr { const_ptr: self }.components.metadata } } /// Returns `true` if the slice has a length of 0. @@ -145,8 +139,9 @@ impl [T] { /// assert_eq!(None, w.first()); /// ``` #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")] #[inline] - pub fn first(&self) -> Option<&T> { + pub const fn first(&self) -> Option<&T> { if let [first, ..] = self { Some(first) } else { None } } @@ -163,8 +158,9 @@ impl [T] { /// assert_eq!(x, &[5, 1, 2]); /// ``` #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")] #[inline] - pub fn first_mut(&mut self) -> Option<&mut T> { + pub const fn first_mut(&mut self) -> Option<&mut T> { if let [first, ..] = self { Some(first) } else { None } } @@ -181,8 +177,9 @@ impl [T] { /// } /// ``` #[stable(feature = "slice_splits", since = "1.5.0")] + #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")] #[inline] - pub fn split_first(&self) -> Option<(&T, &[T])> { + pub const fn split_first(&self) -> Option<(&T, &[T])> { if let [first, tail @ ..] = self { Some((first, tail)) } else { None } } @@ -201,8 +198,9 @@ impl [T] { /// assert_eq!(x, &[3, 4, 5]); /// ``` #[stable(feature = "slice_splits", since = "1.5.0")] + #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")] #[inline] - pub fn split_first_mut(&mut self) -> Option<(&mut T, &mut [T])> { + pub const fn split_first_mut(&mut self) -> Option<(&mut T, &mut [T])> { if let [first, tail @ ..] = self { Some((first, tail)) } else { None } } @@ -219,8 +217,9 @@ impl [T] { /// } /// ``` #[stable(feature = "slice_splits", since = "1.5.0")] + #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")] #[inline] - pub fn split_last(&self) -> Option<(&T, &[T])> { + pub const fn split_last(&self) -> Option<(&T, &[T])> { if let [init @ .., last] = self { Some((last, init)) } else { None } } @@ -239,8 +238,9 @@ impl [T] { /// assert_eq!(x, &[4, 5, 3]); /// ``` #[stable(feature = "slice_splits", since = "1.5.0")] + #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")] #[inline] - pub fn split_last_mut(&mut self) -> Option<(&mut T, &mut [T])> { + pub const fn split_last_mut(&mut self) -> Option<(&mut T, &mut [T])> { if let [init @ .., last] = self { Some((last, init)) } else { None } } @@ -256,8 +256,9 @@ impl [T] { /// assert_eq!(None, w.last()); /// ``` #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")] #[inline] - pub fn last(&self) -> Option<&T> { + pub const fn last(&self) -> Option<&T> { if let [.., last] = self { Some(last) } else { None } } @@ -274,8 +275,9 @@ impl [T] { /// assert_eq!(x, &[0, 1, 10]); /// ``` #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")] #[inline] - pub fn last_mut(&mut self) -> Option<&mut T> { + pub const fn last_mut(&mut self) -> Option<&mut T> { if let [.., last] = self { Some(last) } else { None } } @@ -2254,8 +2256,7 @@ impl [T] { // in crate `alloc`, and as such doesn't exists yet when building `core`. // links to downstream crate: #74481. Since primitives are only documented in // libstd (#73423), this never leads to broken links in practice. - #[cfg_attr(not(bootstrap), allow(rustdoc::broken_intra_doc_links))] - #[cfg_attr(bootstrap, allow(broken_intra_doc_links))] + #[allow(rustdoc::broken_intra_doc_links)] #[stable(feature = "slice_binary_search_by_key", since = "1.10.0")] #[inline] pub fn binary_search_by_key<'a, B, F>(&'a self, b: &B, mut f: F) -> Result diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs index 997e618cc511..a96520680e30 100644 --- a/library/core/tests/lib.rs +++ b/library/core/tests/lib.rs @@ -57,7 +57,6 @@ #![feature(iter_intersperse)] #![feature(iter_is_partitioned)] #![feature(iter_order_by)] -#![feature(cmp_min_max_by)] #![feature(iter_map_while)] #![feature(const_mut_refs)] #![feature(const_pin)] @@ -68,7 +67,7 @@ #![feature(option_result_unwrap_unchecked)] #![feature(result_into_ok_or_err)] #![feature(peekable_peek_mut)] -#![cfg_attr(not(bootstrap), feature(ptr_metadata))] +#![feature(ptr_metadata)] #![feature(once_cell)] #![feature(unsized_tuple_coercion)] #![feature(nonzero_leading_trailing_zeros)] @@ -76,8 +75,7 @@ #![feature(integer_atomics)] #![feature(slice_group_by)] #![feature(trusted_random_access)] -#![cfg_attr(bootstrap, feature(unsafe_block_in_unsafe_fn))] -#![cfg_attr(not(bootstrap), feature(unsize))] +#![feature(unsize)] #![deny(unsafe_op_in_unsafe_fn)] extern crate test; diff --git a/library/core/tests/ptr.rs b/library/core/tests/ptr.rs index 224a58e3ccdb..11af8090c3a4 100644 --- a/library/core/tests/ptr.rs +++ b/library/core/tests/ptr.rs @@ -1,8 +1,6 @@ use core::cell::RefCell; -#[cfg(not(bootstrap))] use core::ptr; use core::ptr::*; -#[cfg(not(bootstrap))] use std::fmt::{Debug, Display}; #[test] @@ -419,7 +417,6 @@ fn offset_from() { } #[test] -#[cfg(not(bootstrap))] fn ptr_metadata() { struct Unit; struct Pair(A, B); @@ -478,7 +475,6 @@ fn ptr_metadata() { } #[test] -#[cfg(not(bootstrap))] fn ptr_metadata_bounds() { fn metadata_eq_method_address() -> usize { // The `Metadata` associated type has an `Ord` bound, so this is valid: @@ -510,7 +506,6 @@ fn ptr_metadata_bounds() { } #[test] -#[cfg(not(bootstrap))] fn dyn_metadata() { #[derive(Debug)] #[repr(align(32))] @@ -530,7 +525,6 @@ fn dyn_metadata() { } #[test] -#[cfg(not(bootstrap))] fn from_raw_parts() { let mut value = 5_u32; let address = &mut value as *mut _ as *mut (); @@ -557,7 +551,6 @@ fn from_raw_parts() { } #[test] -#[cfg(not(bootstrap))] fn thin_box() { let foo = ThinBox::::new(4); assert_eq!(foo.to_string(), "4"); diff --git a/library/std/src/error.rs b/library/std/src/error.rs index 80c35307d52a..14c2f961d326 100644 --- a/library/std/src/error.rs +++ b/library/std/src/error.rs @@ -33,15 +33,22 @@ use crate::string; use crate::sync::Arc; /// `Error` is a trait representing the basic expectations for error values, -/// i.e., values of type `E` in [`Result`]. Errors must describe -/// themselves through the [`Display`] and [`Debug`] traits, and may provide -/// cause chain information: +/// i.e., values of type `E` in [`Result`]. /// -/// [`Error::source()`] is generally used when errors cross -/// "abstraction boundaries". If one module must report an error that is caused -/// by an error from a lower-level module, it can allow accessing that error -/// via [`Error::source()`]. This makes it possible for the high-level -/// module to provide its own errors while also revealing some of the +/// Errors must describe themselves through the [`Display`] and [`Debug`] +/// traits. Error messages are typically concise lowercase sentences without +/// trailing punctuation: +/// +/// ``` +/// let err = "NaN".parse::().unwrap_err(); +/// assert_eq!(err.to_string(), "invalid digit found in string"); +/// ``` +/// +/// Errors may provide cause chain information. [`Error::source()`] is generally +/// used when errors cross "abstraction boundaries". If one module must report +/// an error that is caused by an error from a lower-level module, it can allow +/// accessing that error via [`Error::source()`]. This makes it possible for the +/// high-level module to provide its own errors while also revealing some of the /// implementation for debugging via `source` chains. #[stable(feature = "rust1", since = "1.0.0")] pub trait Error: Debug + Display { diff --git a/library/std/src/ffi/c_str.rs b/library/std/src/ffi/c_str.rs index 687ed61b9596..ed4950c57a62 100644 --- a/library/std/src/ffi/c_str.rs +++ b/library/std/src/ffi/c_str.rs @@ -613,7 +613,8 @@ impl CString { #[inline] #[stable(feature = "rust1", since = "1.0.0")] pub fn as_bytes(&self) -> &[u8] { - &self.inner[..self.inner.len() - 1] + // SAFETY: CString has a length at least 1 + unsafe { self.inner.get_unchecked(..self.inner.len() - 1) } } /// Equivalent to [`CString::as_bytes()`] except that the @@ -1322,7 +1323,8 @@ impl CStr { #[stable(feature = "rust1", since = "1.0.0")] pub fn to_bytes(&self) -> &[u8] { let bytes = self.to_bytes_with_nul(); - &bytes[..bytes.len() - 1] + // SAFETY: to_bytes_with_nul returns slice with length at least 1 + unsafe { bytes.get_unchecked(..bytes.len() - 1) } } /// Converts this C string to a byte slice containing the trailing 0 byte. diff --git a/library/std/src/ffi/c_str/tests.rs b/library/std/src/ffi/c_str/tests.rs index 4dff3df63a8b..4f7ba9ad4375 100644 --- a/library/std/src/ffi/c_str/tests.rs +++ b/library/std/src/ffi/c_str/tests.rs @@ -193,3 +193,19 @@ fn cstr_index_from_empty() { let cstr = CStr::from_bytes_with_nul(original).unwrap(); let _ = &cstr[original.len()..]; } + +#[test] +fn c_string_from_empty_string() { + let original = ""; + let cstring = CString::new(original).unwrap(); + assert_eq!(original.as_bytes(), cstring.as_bytes()); + assert_eq!([b'\0'], cstring.as_bytes_with_nul()); +} + +#[test] +fn c_str_from_empty_string() { + let original = b"\0"; + let cstr = CStr::from_bytes_with_nul(original).unwrap(); + assert_eq!([] as [u8; 0], cstr.to_bytes()); + assert_eq!([b'\0'], cstr.to_bytes_with_nul()); +} diff --git a/library/std/src/ffi/os_str.rs b/library/std/src/ffi/os_str.rs index 14914287cb1b..ecaab6703490 100644 --- a/library/std/src/ffi/os_str.rs +++ b/library/std/src/ffi/os_str.rs @@ -361,7 +361,7 @@ impl OsString { impl From for OsString { /// Converts a [`String`] into a [`OsString`]. /// - /// The conversion copies the data, and includes an allocation on the heap. + /// This conversion does not allocate or copy memory. #[inline] fn from(s: String) -> OsString { OsString { inner: Buf::from_string(s) } @@ -858,7 +858,7 @@ impl From> for Box { #[stable(feature = "os_string_from_box", since = "1.18.0")] impl From> for OsString { - /// Converts a [`Box`]`<`[`OsStr`]`>` into a `OsString` without copying or + /// Converts a [`Box`]`<`[`OsStr`]`>` into an [`OsString`] without copying or /// allocating. #[inline] fn from(boxed: Box) -> OsString { diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index 9953bcd556dd..9625984195bd 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -505,7 +505,8 @@ pub(crate) fn default_read_exact(this: &mut R, mut buf: &mut [ /// [`std::io`]: self /// [`File`]: crate::fs::File #[stable(feature = "rust1", since = "1.0.0")] -#[doc(spotlight)] +#[cfg_attr(bootstrap, doc(spotlight))] +#[cfg_attr(not(bootstrap), doc(notable_trait))] pub trait Read { /// Pull some bytes from this source into the specified buffer, returning /// how many bytes were read. @@ -1296,7 +1297,8 @@ impl Initializer { /// /// [`write_all`]: Write::write_all #[stable(feature = "rust1", since = "1.0.0")] -#[doc(spotlight)] +#[cfg_attr(bootstrap, doc(spotlight))] +#[cfg_attr(not(bootstrap), doc(notable_trait))] pub trait Write { /// Write a buffer into this writer, returning how many bytes were written. /// diff --git a/library/std/src/keyword_docs.rs b/library/std/src/keyword_docs.rs index e64cbc18bf71..2a3d44fb17d9 100644 --- a/library/std/src/keyword_docs.rs +++ b/library/std/src/keyword_docs.rs @@ -547,15 +547,18 @@ mod fn_keyword {} /// # fn code() { } /// # let iterator = 0..2; /// { -/// let mut _iter = std::iter::IntoIterator::into_iter(iterator); -/// loop { -/// match _iter.next() { -/// Some(loop_variable) => { -/// code() -/// }, -/// None => break, -/// } -/// } +/// let result = match IntoIterator::into_iter(iterator) { +/// mut iter => loop { +/// let next; +/// match iter.next() { +/// Some(val) => next = val, +/// None => break, +/// }; +/// let loop_variable = next; +/// let () = { code(); }; +/// }, +/// }; +/// result /// } /// ``` /// @@ -1310,7 +1313,11 @@ mod return_keyword {} /// [Reference]: ../reference/items/associated-items.html#methods mod self_keyword {} -#[doc(keyword = "Self")] +// FIXME: Once rustdoc can handle URL conflicts on case insensitive file systems, we can remove the +// three next lines and put back: `#[doc(keyword = "Self")]`. +#[doc(alias = "Self")] +#[allow(rustc::existing_doc_keyword)] +#[doc(keyword = "SelfTy")] // /// The implementing type within a [`trait`] or [`impl`] block, or the current type within a type /// definition. diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 3719eeb1840b..6baf9f2a464b 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -234,7 +234,7 @@ #![feature(box_syntax)] #![feature(c_variadic)] #![feature(cfg_accessible)] -#![cfg_attr(not(bootstrap), feature(cfg_eval))] +#![feature(cfg_eval)] #![feature(cfg_target_has_atomic)] #![feature(cfg_target_thread_local)] #![feature(char_error_internals)] @@ -249,6 +249,7 @@ #![feature(const_ip)] #![feature(const_ipv6)] #![feature(const_raw_ptr_deref)] +#![feature(const_socketaddr)] #![feature(const_ipv4)] #![feature(container_error_extra)] #![feature(core_intrinsics)] @@ -257,7 +258,8 @@ #![feature(doc_cfg)] #![feature(doc_keyword)] #![feature(doc_masked)] -#![feature(doc_spotlight)] +#![cfg_attr(bootstrap, feature(doc_spotlight))] +#![cfg_attr(not(bootstrap), feature(doc_notable_trait))] #![feature(dropck_eyepatch)] #![feature(duration_constants)] #![feature(duration_zero)] @@ -280,7 +282,6 @@ #![feature(intra_doc_pointers)] #![feature(iter_zip)] #![feature(lang_items)] -#![feature(link_args)] #![feature(linkage)] #![feature(llvm_asm)] #![feature(log_syntax)] @@ -329,7 +330,6 @@ #![feature(try_blocks)] #![feature(try_reserve)] #![feature(unboxed_closures)] -#![cfg_attr(bootstrap, feature(unsafe_block_in_unsafe_fn))] #![feature(unsafe_cell_raw_get)] #![feature(unwind_attributes)] #![feature(vec_into_raw_parts)] diff --git a/library/std/src/net/addr.rs b/library/std/src/net/addr.rs index 55546a5b0377..70376d5e0657 100644 --- a/library/std/src/net/addr.rs +++ b/library/std/src/net/addr.rs @@ -149,7 +149,8 @@ impl SocketAddr { /// assert_eq!(socket.ip(), IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1))); /// ``` #[stable(feature = "ip_addr", since = "1.7.0")] - pub fn ip(&self) -> IpAddr { + #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")] + pub const fn ip(&self) -> IpAddr { match *self { SocketAddr::V4(ref a) => IpAddr::V4(*a.ip()), SocketAddr::V6(ref a) => IpAddr::V6(*a.ip()), @@ -188,7 +189,8 @@ impl SocketAddr { /// assert_eq!(socket.port(), 8080); /// ``` #[stable(feature = "rust1", since = "1.0.0")] - pub fn port(&self) -> u16 { + #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")] + pub const fn port(&self) -> u16 { match *self { SocketAddr::V4(ref a) => a.port(), SocketAddr::V6(ref a) => a.port(), @@ -230,7 +232,8 @@ impl SocketAddr { /// assert_eq!(socket.is_ipv6(), false); /// ``` #[stable(feature = "sockaddr_checker", since = "1.16.0")] - pub fn is_ipv4(&self) -> bool { + #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")] + pub const fn is_ipv4(&self) -> bool { matches!(*self, SocketAddr::V4(_)) } @@ -250,7 +253,8 @@ impl SocketAddr { /// assert_eq!(socket.is_ipv6(), true); /// ``` #[stable(feature = "sockaddr_checker", since = "1.16.0")] - pub fn is_ipv6(&self) -> bool { + #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")] + pub const fn is_ipv6(&self) -> bool { matches!(*self, SocketAddr::V6(_)) } } @@ -290,7 +294,8 @@ impl SocketAddrV4 { /// assert_eq!(socket.ip(), &Ipv4Addr::new(127, 0, 0, 1)); /// ``` #[stable(feature = "rust1", since = "1.0.0")] - pub fn ip(&self) -> &Ipv4Addr { + #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")] + pub const fn ip(&self) -> &Ipv4Addr { // SAFETY: `Ipv4Addr` is `#[repr(C)] struct { _: in_addr; }`. // It is safe to cast from `&in_addr` to `&Ipv4Addr`. unsafe { &*(&self.inner.sin_addr as *const c::in_addr as *const Ipv4Addr) } @@ -323,7 +328,8 @@ impl SocketAddrV4 { /// assert_eq!(socket.port(), 8080); /// ``` #[stable(feature = "rust1", since = "1.0.0")] - pub fn port(&self) -> u16 { + #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")] + pub const fn port(&self) -> u16 { ntohs(self.inner.sin_port) } @@ -386,7 +392,8 @@ impl SocketAddrV6 { /// assert_eq!(socket.ip(), &Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)); /// ``` #[stable(feature = "rust1", since = "1.0.0")] - pub fn ip(&self) -> &Ipv6Addr { + #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")] + pub const fn ip(&self) -> &Ipv6Addr { unsafe { &*(&self.inner.sin6_addr as *const c::in6_addr as *const Ipv6Addr) } } @@ -417,7 +424,8 @@ impl SocketAddrV6 { /// assert_eq!(socket.port(), 8080); /// ``` #[stable(feature = "rust1", since = "1.0.0")] - pub fn port(&self) -> u16 { + #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")] + pub const fn port(&self) -> u16 { ntohs(self.inner.sin6_port) } @@ -458,7 +466,8 @@ impl SocketAddrV6 { /// assert_eq!(socket.flowinfo(), 10); /// ``` #[stable(feature = "rust1", since = "1.0.0")] - pub fn flowinfo(&self) -> u32 { + #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")] + pub const fn flowinfo(&self) -> u32 { self.inner.sin6_flowinfo } @@ -496,7 +505,8 @@ impl SocketAddrV6 { /// assert_eq!(socket.scope_id(), 78); /// ``` #[stable(feature = "rust1", since = "1.0.0")] - pub fn scope_id(&self) -> u32 { + #[rustc_const_unstable(feature = "const_socketaddr", issue = "82485")] + pub const fn scope_id(&self) -> u32 { self.inner.sin6_scope_id } diff --git a/library/std/src/net/ip.rs b/library/std/src/net/ip.rs index 2aa305d7f831..da2415e36107 100644 --- a/library/std/src/net/ip.rs +++ b/library/std/src/net/ip.rs @@ -67,7 +67,9 @@ pub enum IpAddr { /// /// `Ipv4Addr` provides a [`FromStr`] implementation. The four octets are in decimal /// notation, divided by `.` (this is called "dot-decimal notation"). +/// Notably, octal numbers and hexadecimal numbers are not allowed per [IETF RFC 6943]. /// +/// [IETF RFC 6943]: https://tools.ietf.org/html/rfc6943#section-3.1.1 /// [`FromStr`]: crate::str::FromStr /// /// # Examples @@ -991,6 +993,7 @@ impl Ord for Ipv4Addr { } impl IntoInner for Ipv4Addr { + #[inline] fn into_inner(self) -> c::in_addr { self.inner } @@ -1798,11 +1801,13 @@ impl Ord for Ipv6Addr { } impl AsInner for Ipv6Addr { + #[inline] fn as_inner(&self) -> &c::in6_addr { &self.inner } } impl FromInner for Ipv6Addr { + #[inline] fn from_inner(addr: c::in6_addr) -> Ipv6Addr { Ipv6Addr { inner: addr } } diff --git a/library/std/src/net/parser.rs b/library/std/src/net/parser.rs index 7064ed3ed236..88a8cb76befb 100644 --- a/library/std/src/net/parser.rs +++ b/library/std/src/net/parser.rs @@ -67,6 +67,11 @@ impl<'a> Parser<'a> { if self.state.is_empty() { result } else { None }.ok_or(AddrParseError(())) } + /// Peek the next character from the input + fn peek_char(&self) -> Option { + self.state.first().map(|&b| char::from(b)) + } + /// Read the next character from the input fn read_char(&mut self) -> Option { self.state.split_first().map(|(&b, tail)| { @@ -132,7 +137,14 @@ impl<'a> Parser<'a> { let mut groups = [0; 4]; for (i, slot) in groups.iter_mut().enumerate() { - *slot = p.read_separator('.', i, |p| p.read_number(10, None))?; + *slot = p.read_separator('.', i, |p| { + // Disallow octal number in IP string. + // https://tools.ietf.org/html/rfc6943#section-3.1.1 + match (p.peek_char(), p.read_number(10, None)) { + (Some('0'), Some(number)) if number != 0 => None, + (_, number) => number, + } + })?; } Some(groups.into()) diff --git a/library/std/src/net/parser/tests.rs b/library/std/src/net/parser/tests.rs index 8d8889cd19d3..6d2d48ecad02 100644 --- a/library/std/src/net/parser/tests.rs +++ b/library/std/src/net/parser/tests.rs @@ -8,11 +8,15 @@ const SCOPE_ID: u32 = 1337; const IPV4: Ipv4Addr = Ipv4Addr::new(192, 168, 0, 1); const IPV4_STR: &str = "192.168.0.1"; const IPV4_STR_PORT: &str = "192.168.0.1:8080"; +const IPV4_STR_WITH_OCTAL: &str = "0127.0.0.1"; +const IPV4_STR_WITH_HEX: &str = "0x10.0.0.1"; const IPV6: Ipv6Addr = Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0xc0a8, 0x1); const IPV6_STR_FULL: &str = "2001:db8:0:0:0:0:c0a8:1"; const IPV6_STR_COMPRESS: &str = "2001:db8::c0a8:1"; const IPV6_STR_V4: &str = "2001:db8::192.168.0.1"; +const IPV6_STR_V4_WITH_OCTAL: &str = "2001:db8::0127.0.0.1"; +const IPV6_STR_V4_WITH_HEX: &str = "2001:db8::0x10.0.0.1"; const IPV6_STR_PORT: &str = "[2001:db8::c0a8:1]:8080"; const IPV6_STR_PORT_SCOPE_ID: &str = "[2001:db8::c0a8:1%1337]:8080"; @@ -22,6 +26,8 @@ fn parse_ipv4() { assert_eq!(result, IPV4); assert!(Ipv4Addr::from_str(IPV4_STR_PORT).is_err()); + assert!(Ipv4Addr::from_str(IPV4_STR_WITH_OCTAL).is_err()); + assert!(Ipv4Addr::from_str(IPV4_STR_WITH_HEX).is_err()); assert!(Ipv4Addr::from_str(IPV6_STR_FULL).is_err()); assert!(Ipv4Addr::from_str(IPV6_STR_COMPRESS).is_err()); assert!(Ipv4Addr::from_str(IPV6_STR_V4).is_err()); @@ -39,6 +45,8 @@ fn parse_ipv6() { let result: Ipv6Addr = IPV6_STR_V4.parse().unwrap(); assert_eq!(result, IPV6); + assert!(Ipv6Addr::from_str(IPV6_STR_V4_WITH_OCTAL).is_err()); + assert!(Ipv6Addr::from_str(IPV6_STR_V4_WITH_HEX).is_err()); assert!(Ipv6Addr::from_str(IPV4_STR).is_err()); assert!(Ipv6Addr::from_str(IPV4_STR_PORT).is_err()); assert!(Ipv6Addr::from_str(IPV6_STR_PORT).is_err()); diff --git a/library/std/src/path.rs b/library/std/src/path.rs index 57c892f32b19..f4020a428791 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -1467,7 +1467,7 @@ impl> From<&T> for PathBuf { #[stable(feature = "rust1", since = "1.0.0")] impl From for PathBuf { - /// Converts a `OsString` into a `PathBuf` + /// Converts an [`OsString`] into a [`PathBuf`] /// /// This conversion does not allocate or copy memory. #[inline] @@ -1478,7 +1478,7 @@ impl From for PathBuf { #[stable(feature = "from_path_buf_for_os_string", since = "1.14.0")] impl From for OsString { - /// Converts a `PathBuf` into a `OsString` + /// Converts a [`PathBuf`] into an [`OsString`] /// /// This conversion does not allocate or copy memory. #[inline] @@ -1489,7 +1489,7 @@ impl From for OsString { #[stable(feature = "rust1", since = "1.0.0")] impl From for PathBuf { - /// Converts a `String` into a `PathBuf` + /// Converts a [`String`] into a [`PathBuf`] /// /// This conversion does not allocate or copy memory. #[inline] @@ -1595,7 +1595,7 @@ impl<'a> From> for PathBuf { #[stable(feature = "shared_from_slice2", since = "1.24.0")] impl From for Arc { - /// Converts a `PathBuf` into an `Arc` by moving the `PathBuf` data into a new `Arc` buffer. + /// Converts a [`PathBuf`] into an [`Arc`] by moving the [`PathBuf`] data into a new [`Arc`] buffer. #[inline] fn from(s: PathBuf) -> Arc { let arc: Arc = Arc::from(s.into_os_string()); @@ -1605,7 +1605,7 @@ impl From for Arc { #[stable(feature = "shared_from_slice2", since = "1.24.0")] impl From<&Path> for Arc { - /// Converts a `Path` into an `Arc` by copying the `Path` data into a new `Arc` buffer. + /// Converts a [`Path`] into an [`Arc`] by copying the [`Path`] data into a new [`Arc`] buffer. #[inline] fn from(s: &Path) -> Arc { let arc: Arc = Arc::from(s.as_os_str()); @@ -1615,7 +1615,7 @@ impl From<&Path> for Arc { #[stable(feature = "shared_from_slice2", since = "1.24.0")] impl From for Rc { - /// Converts a `PathBuf` into an `Rc` by moving the `PathBuf` data into a new `Rc` buffer. + /// Converts a [`PathBuf`] into an [`Rc`] by moving the [`PathBuf`] data into a new `Rc` buffer. #[inline] fn from(s: PathBuf) -> Rc { let rc: Rc = Rc::from(s.into_os_string()); @@ -1625,7 +1625,7 @@ impl From for Rc { #[stable(feature = "shared_from_slice2", since = "1.24.0")] impl From<&Path> for Rc { - /// Converts a `Path` into an `Rc` by copying the `Path` data into a new `Rc` buffer. + /// Converts a [`Path`] into an [`Rc`] by copying the [`Path`] data into a new `Rc` buffer. #[inline] fn from(s: &Path) -> Rc { let rc: Rc = Rc::from(s.as_os_str()); diff --git a/library/std/src/prelude/mod.rs b/library/std/src/prelude/mod.rs index 505b5f3013b3..1b4facdd049b 100644 --- a/library/std/src/prelude/mod.rs +++ b/library/std/src/prelude/mod.rs @@ -28,53 +28,53 @@ //! The current version of the prelude (version 1) lives in //! [`std::prelude::v1`], and re-exports the following: //! -//! * [`std::marker`]::{[`Copy`], [`Send`], [`Sized`], [`Sync`], [`Unpin`]}: +//! * [std::marker]::{[Copy], [Send], [Sized], [Sync], [Unpin]}, //! marker traits that indicate fundamental properties of types. -//! * [`std::ops`]::{[`Drop`], [`Fn`], [`FnMut`], [`FnOnce`]}: various +//! * [std::ops]::{[Drop], [Fn], [FnMut], [FnOnce]}, various //! operations for both destructors and overloading `()`. -//! * [`std::mem`]::[`drop`][`mem::drop`]: a convenience function for explicitly +//! * [std::mem]::[drop][mem::drop], a convenience function for explicitly //! dropping a value. -//! * [`std::boxed`]::[`Box`]: a way to allocate values on the heap. -//! * [`std::borrow`]::[`ToOwned`]: the conversion trait that defines +//! * [std::boxed]::[Box], a way to allocate values on the heap. +//! * [std::borrow]::[ToOwned], the conversion trait that defines //! [`to_owned`], the generic method for creating an owned type from a //! borrowed type. -//! * [`std::clone`]::[`Clone`]: the ubiquitous trait that defines -//! [`clone`][`Clone::clone`], the method for producing a copy of a value. -//! * [`std::cmp`]::{[`PartialEq`], [`PartialOrd`], [`Eq`], [`Ord`]}: the +//! * [std::clone]::[Clone], the ubiquitous trait that defines +//! [`clone`][Clone::clone], the method for producing a copy of a value. +//! * [std::cmp]::{[PartialEq], [PartialOrd], [Eq], [Ord]}, the //! comparison traits, which implement the comparison operators and are often //! seen in trait bounds. -//! * [`std::convert`]::{[`AsRef`], [`AsMut`], [`Into`], [`From`]}: generic +//! * [std::convert]::{[AsRef], [AsMut], [Into], [From]}, generic //! conversions, used by savvy API authors to create overloaded methods. -//! * [`std::default`]::[`Default`], types that have default values. -//! * [`std::iter`]::{[`Iterator`], [`Extend`], [`IntoIterator`], -//! [`DoubleEndedIterator`], [`ExactSizeIterator`]}: iterators of various +//! * [std::default]::[Default], types that have default values. +//! * [std::iter]::{[Iterator], [Extend], [IntoIterator], [DoubleEndedIterator], [ExactSizeIterator]}, +//! iterators of various //! kinds. -//! * [`std::option`]::[`Option`]::{[`self`][`Option`], [`Some`], [`None`]}, a +//! * [std::option]::[Option]::{[self][Option], [Some], [None]}, a //! type which expresses the presence or absence of a value. This type is so //! commonly used, its variants are also exported. -//! * [`std::result`]::[`Result`]::{[`self`][`Result`], [`Ok`], [`Err`]}: a type +//! * [std::result]::[Result]::{[self][Result], [Ok], [Err]}, a type //! for functions that may succeed or fail. Like [`Option`], its variants are //! exported as well. -//! * [`std::string`]::{[`String`], [`ToString`]}: heap-allocated strings. -//! * [`std::vec`]::[`Vec`]: a growable, heap-allocated vector. +//! * [std::string]::{[String], [ToString]}, heap-allocated strings. +//! * [std::vec]::[Vec], a growable, heap-allocated vector. //! -//! [`mem::drop`]: crate::mem::drop -//! [`std::borrow`]: crate::borrow -//! [`std::boxed`]: crate::boxed -//! [`std::clone`]: crate::clone -//! [`std::cmp`]: crate::cmp -//! [`std::convert`]: crate::convert -//! [`std::default`]: crate::default -//! [`std::iter`]: crate::iter -//! [`std::marker`]: crate::marker -//! [`std::mem`]: crate::mem -//! [`std::ops`]: crate::ops -//! [`std::option`]: crate::option +//! [mem::drop]: crate::mem::drop +//! [std::borrow]: crate::borrow +//! [std::boxed]: crate::boxed +//! [std::clone]: crate::clone +//! [std::cmp]: crate::cmp +//! [std::convert]: crate::convert +//! [std::default]: crate::default +//! [std::iter]: crate::iter +//! [std::marker]: crate::marker +//! [std::mem]: crate::mem +//! [std::ops]: crate::ops +//! [std::option]: crate::option //! [`std::prelude::v1`]: v1 -//! [`std::result`]: crate::result -//! [`std::slice`]: crate::slice -//! [`std::string`]: crate::string -//! [`std::vec`]: mod@crate::vec +//! [std::result]: crate::result +//! [std::slice]: crate::slice +//! [std::string]: crate::string +//! [std::vec]: mod@crate::vec //! [`to_owned`]: crate::borrow::ToOwned::to_owned //! [book-closures]: ../../book/ch13-01-closures.html //! [book-dtor]: ../../book/ch15-03-drop.html diff --git a/library/std/src/prelude/v1.rs b/library/std/src/prelude/v1.rs index c5b871edbf25..4a3c3ba16359 100644 --- a/library/std/src/prelude/v1.rs +++ b/library/std/src/prelude/v1.rs @@ -54,7 +54,6 @@ pub use core::prelude::v1::{ bench, global_allocator, test, test_case, RustcDecodable, RustcEncodable, }; -#[cfg(not(bootstrap))] #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] #[doc(hidden)] pub use core::prelude::v1::derive; @@ -67,7 +66,6 @@ pub use core::prelude::v1::derive; #[doc(hidden)] pub use core::prelude::v1::cfg_accessible; -#[cfg(not(bootstrap))] #[unstable( feature = "cfg_eval", issue = "82679", diff --git a/library/std/src/sync/once.rs b/library/std/src/sync/once.rs index 2e5f843fc43c..a24a5cb2ae39 100644 --- a/library/std/src/sync/once.rs +++ b/library/std/src/sync/once.rs @@ -471,7 +471,7 @@ fn wait(state_and_queue: &AtomicUsize, mut current_state: usize) { // If the managing thread happens to signal and unpark us before we // can park ourselves, the result could be this thread never gets // unparked. Luckily `park` comes with the guarantee that if it got - // an `unpark` just before on an unparked thread is does not park. + // an `unpark` just before on an unparked thread it does not park. thread::park(); } break; diff --git a/library/std/src/sys/unix/ext/net/ancillary.rs b/library/std/src/sys/unix/ext/net/ancillary.rs index 33d6a39af07f..011ae643f871 100644 --- a/library/std/src/sys/unix/ext/net/ancillary.rs +++ b/library/std/src/sys/unix/ext/net/ancillary.rs @@ -5,9 +5,7 @@ use crate::marker::PhantomData; use crate::mem::{size_of, zeroed}; use crate::os::unix::io::RawFd; use crate::path::Path; -#[cfg(target_os = "android")] -use crate::ptr::eq; -use crate::ptr::read_unaligned; +use crate::ptr::{eq, read_unaligned}; use crate::slice::from_raw_parts; use crate::sys::net::Socket; @@ -30,12 +28,10 @@ pub(super) fn recv_vectored_with_ancillary_from( ) -> io::Result<(usize, bool, io::Result)> { unsafe { let mut msg_name: libc::sockaddr_un = zeroed(); - let mut msg: libc::msghdr = zeroed(); msg.msg_name = &mut msg_name as *mut _ as *mut _; msg.msg_namelen = size_of::() as libc::socklen_t; msg.msg_iov = bufs.as_mut_ptr().cast(); - msg.msg_control = ancillary.buffer.as_mut_ptr().cast(); cfg_if::cfg_if! { if #[cfg(any(target_os = "android", all(target_os = "linux", target_env = "gnu")))] { msg.msg_iovlen = bufs.len() as libc::size_t; @@ -45,6 +41,7 @@ pub(super) fn recv_vectored_with_ancillary_from( target_os = "emscripten", target_os = "freebsd", all(target_os = "linux", target_env = "musl",), + target_os = "macos", target_os = "netbsd", target_os = "openbsd", ))] { @@ -52,6 +49,10 @@ pub(super) fn recv_vectored_with_ancillary_from( msg.msg_controllen = ancillary.buffer.len() as libc::socklen_t; } } + // macos requires that the control pointer is NULL when the len is 0. + if msg.msg_controllen > 0 { + msg.msg_control = ancillary.buffer.as_mut_ptr().cast(); + } let count = socket.recv_msg(&mut msg)?; @@ -79,7 +80,6 @@ pub(super) fn send_vectored_with_ancillary_to( msg.msg_name = &mut msg_name as *mut _ as *mut _; msg.msg_namelen = msg_namelen; msg.msg_iov = bufs.as_ptr() as *mut _; - msg.msg_control = ancillary.buffer.as_mut_ptr().cast(); cfg_if::cfg_if! { if #[cfg(any(target_os = "android", all(target_os = "linux", target_env = "gnu")))] { msg.msg_iovlen = bufs.len() as libc::size_t; @@ -89,6 +89,7 @@ pub(super) fn send_vectored_with_ancillary_to( target_os = "emscripten", target_os = "freebsd", all(target_os = "linux", target_env = "musl",), + target_os = "macos", target_os = "netbsd", target_os = "openbsd", ))] { @@ -96,6 +97,10 @@ pub(super) fn send_vectored_with_ancillary_to( msg.msg_controllen = ancillary.length as libc::socklen_t; } } + // macos requires that the control pointer is NULL when the len is 0. + if msg.msg_controllen > 0 { + msg.msg_control = ancillary.buffer.as_mut_ptr().cast(); + } ancillary.truncated = false; @@ -147,6 +152,7 @@ fn add_to_ancillary_data( target_os = "emscripten", target_os = "freebsd", all(target_os = "linux", target_env = "musl",), + target_os = "macos", target_os = "netbsd", target_os = "openbsd", ))] { @@ -159,14 +165,12 @@ fn add_to_ancillary_data( while !cmsg.is_null() { previous_cmsg = cmsg; cmsg = libc::CMSG_NXTHDR(&msg, cmsg); - cfg_if::cfg_if! { - // Android return the same pointer if it is the last cmsg. - // Therefore, check it if the previous pointer is the same as the current one. - if #[cfg(target_os = "android")] { - if cmsg == previous_cmsg { - break; - } - } + + // Most operating systems, but not Linux or emscripten, return the previous pointer + // when its length is zero. Therefore, check if the previous pointer is the same as + // the current one. + if eq(cmsg, previous_cmsg) { + break; } } @@ -184,6 +188,7 @@ fn add_to_ancillary_data( target_os = "emscripten", target_os = "freebsd", all(target_os = "linux", target_env = "musl",), + target_os = "macos", target_os = "netbsd", target_os = "openbsd", ))] { @@ -371,6 +376,7 @@ impl<'a> AncillaryData<'a> { target_os = "emscripten", target_os = "freebsd", all(target_os = "linux", target_env = "musl",), + target_os = "macos", target_os = "netbsd", target_os = "openbsd", ))] { @@ -421,6 +427,7 @@ impl<'a> Iterator for Messages<'a> { target_os = "emscripten", target_os = "freebsd", all(target_os = "linux", target_env = "musl",), + target_os = "macos", target_os = "netbsd", target_os = "openbsd", ))] { @@ -435,15 +442,13 @@ impl<'a> Iterator for Messages<'a> { }; let cmsg = cmsg.as_ref()?; - cfg_if::cfg_if! { - // Android return the same pointer if it is the last cmsg. - // Therefore, check it if the previous pointer is the same as the current one. - if #[cfg(target_os = "android")] { - if let Some(current) = self.current { - if eq(current, cmsg) { - return None; - } - } + + // Most operating systems, but not Linux or emscripten, return the previous pointer + // when its length is zero. Therefore, check if the previous pointer is the same as + // the current one. + if let Some(current) = self.current { + if eq(current, cmsg) { + return None; } } @@ -514,6 +519,12 @@ impl<'a> SocketAncillary<'a> { self.buffer.len() } + /// Returns `true` if the ancillary data is empty. + #[unstable(feature = "unix_socket_ancillary_data", issue = "76915")] + pub fn is_empty(&self) -> bool { + self.length == 0 + } + /// Returns the number of used bytes. #[unstable(feature = "unix_socket_ancillary_data", issue = "76915")] pub fn len(&self) -> usize { diff --git a/library/std/src/sys/unix/os.rs b/library/std/src/sys/unix/os.rs index 4a077e2151ed..a81c9ae27076 100644 --- a/library/std/src/sys/unix/os.rs +++ b/library/std/src/sys/unix/os.rs @@ -64,20 +64,20 @@ extern "C" { link_name = "__error" )] #[cfg_attr(target_os = "haiku", link_name = "_errnop")] - fn errno_location() -> *mut c_int; + fn errnone() -> *mut c_int; } /// Returns the platform-specific value of errno #[cfg(not(any(target_os = "dragonfly", target_os = "vxworks")))] pub fn errno() -> i32 { - unsafe { (*errno_location()) as i32 } + unsafe { (*errnone()) as i32 } } /// Sets the platform-specific value of errno #[cfg(all(not(target_os = "linux"), not(target_os = "dragonfly"), not(target_os = "vxworks")))] // needed for readdir and syscall! #[allow(dead_code)] // but not all target cfgs actually end up using it pub fn set_errno(e: i32) { - unsafe { *errno_location() = e as c_int } + unsafe { *errnone() = e as c_int } } #[cfg(target_os = "vxworks")] diff --git a/library/std/src/sys/unix/process/process_unix.rs b/library/std/src/sys/unix/process/process_unix.rs index 53916cb9abde..ed9044382a89 100644 --- a/library/std/src/sys/unix/process/process_unix.rs +++ b/library/std/src/sys/unix/process/process_unix.rs @@ -51,41 +51,35 @@ impl Command { // a lock any more because the parent won't do anything and the child is // in its own process. Thus the parent drops the lock guard while the child // forgets it to avoid unlocking it on a new thread, which would be invalid. - let (env_lock, result) = unsafe { (sys::os::env_read_lock(), cvt(libc::fork())?) }; - - let pid = unsafe { - match result { - 0 => { - mem::forget(env_lock); - drop(input); - let Err(err) = self.do_exec(theirs, envp.as_ref()); - let errno = err.raw_os_error().unwrap_or(libc::EINVAL) as u32; - let errno = errno.to_be_bytes(); - let bytes = [ - errno[0], - errno[1], - errno[2], - errno[3], - CLOEXEC_MSG_FOOTER[0], - CLOEXEC_MSG_FOOTER[1], - CLOEXEC_MSG_FOOTER[2], - CLOEXEC_MSG_FOOTER[3], - ]; - // pipe I/O up to PIPE_BUF bytes should be atomic, and then - // we want to be sure we *don't* run at_exit destructors as - // we're being torn down regardless - rtassert!(output.write(&bytes).is_ok()); - libc::_exit(1) - } - n => { - drop(env_lock); - n - } - } - }; + let (env_lock, pid) = unsafe { (sys::os::env_read_lock(), cvt(libc::fork())?) }; - let mut p = Process { pid, status: None }; + if pid == 0 { + mem::forget(env_lock); + drop(input); + let Err(err) = unsafe { self.do_exec(theirs, envp.as_ref()) }; + let errno = err.raw_os_error().unwrap_or(libc::EINVAL) as u32; + let errno = errno.to_be_bytes(); + let bytes = [ + errno[0], + errno[1], + errno[2], + errno[3], + CLOEXEC_MSG_FOOTER[0], + CLOEXEC_MSG_FOOTER[1], + CLOEXEC_MSG_FOOTER[2], + CLOEXEC_MSG_FOOTER[3], + ]; + // pipe I/O up to PIPE_BUF bytes should be atomic, and then + // we want to be sure we *don't* run at_exit destructors as + // we're being torn down regardless + rtassert!(output.write(&bytes).is_ok()); + unsafe { libc::_exit(1) } + } + + drop(env_lock); drop(output); + + let mut p = Process { pid, status: None }; let mut bytes = [0; 8]; // loop to handle EINTR diff --git a/library/std/src/sys/unix/thread.rs b/library/std/src/sys/unix/thread.rs index 01a12dcf5a2a..b8f43caec32a 100644 --- a/library/std/src/sys/unix/thread.rs +++ b/library/std/src/sys/unix/thread.rs @@ -343,6 +343,20 @@ pub mod guard { // it can eventually grow to. It cannot be used to determine // the position of kernel's stack guard. None + } else if cfg!(target_os = "freebsd") { + // FreeBSD's stack autogrows, and optionally includes a guard page + // at the bottom. If we try to remap the bottom of the stack + // ourselves, FreeBSD's guard page moves upwards. So we'll just use + // the builtin guard page. + let stackaddr = get_stack_start_aligned()?; + let guardaddr = stackaddr as usize; + // Technically the number of guard pages is tunable and controlled + // by the security.bsd.stack_guard_page sysctl, but there are + // few reasons to change it from the default. The default value has + // been 1 ever since FreeBSD 11.1 and 10.4. + const GUARD_PAGES: usize = 1; + let guard = guardaddr..guardaddr + GUARD_PAGES * page_size; + Some(guard) } else { // Reallocate the last page of the stack. // This ensures SIGBUS will be raised on @@ -371,9 +385,8 @@ pub mod guard { } let guardaddr = stackaddr as usize; - let offset = if cfg!(target_os = "freebsd") { 2 } else { 1 }; - Some(guardaddr..guardaddr + offset * page_size) + Some(guardaddr..guardaddr + page_size) } } @@ -417,11 +430,7 @@ pub mod guard { assert_eq!(libc::pthread_attr_getstack(&attr, &mut stackaddr, &mut size), 0); let stackaddr = stackaddr as usize; - ret = if cfg!(target_os = "freebsd") { - // FIXME does freebsd really fault *below* the guard addr? - let guardaddr = stackaddr - guardsize; - Some(guardaddr - PAGE_SIZE.load(Ordering::Relaxed)..guardaddr) - } else if cfg!(target_os = "netbsd") { + ret = if cfg!(any(target_os = "freebsd", target_os = "netbsd")) { Some(stackaddr - guardsize..stackaddr) } else if cfg!(all(target_os = "linux", target_env = "musl")) { Some(stackaddr - guardsize..stackaddr) diff --git a/library/std/src/sys/windows/alloc.rs b/library/std/src/sys/windows/alloc.rs index 99b4d6c72a0e..af93cd7a3e27 100644 --- a/library/std/src/sys/windows/alloc.rs +++ b/library/std/src/sys/windows/alloc.rs @@ -1,61 +1,246 @@ +#![deny(unsafe_op_in_unsafe_fn)] + use crate::alloc::{GlobalAlloc, Layout, System}; +use crate::ffi::c_void; +use crate::ptr; +use crate::sync::atomic::{AtomicPtr, Ordering}; use crate::sys::c; use crate::sys_common::alloc::{realloc_fallback, MIN_ALIGN}; -#[repr(C)] -struct Header(*mut u8); +#[cfg(test)] +mod tests; + +// Heap memory management on Windows is done by using the system Heap API (heapapi.h) +// See https://docs.microsoft.com/windows/win32/api/heapapi/ + +// Flag to indicate that the memory returned by `HeapAlloc` should be zeroed. +const HEAP_ZERO_MEMORY: c::DWORD = 0x00000008; -unsafe fn get_header<'a>(ptr: *mut u8) -> &'a mut Header { - &mut *(ptr as *mut Header).offset(-1) +extern "system" { + // Get a handle to the default heap of the current process, or null if the operation fails. + // + // SAFETY: Successful calls to this function within the same process are assumed to + // always return the same handle, which remains valid for the entire lifetime of the process. + // + // See https://docs.microsoft.com/windows/win32/api/heapapi/nf-heapapi-getprocessheap + fn GetProcessHeap() -> c::HANDLE; + + // Allocate a block of `dwBytes` bytes of memory from a given heap `hHeap`. + // The allocated memory may be uninitialized, or zeroed if `dwFlags` is + // set to `HEAP_ZERO_MEMORY`. + // + // Returns a pointer to the newly-allocated memory or null if the operation fails. + // The returned pointer will be aligned to at least `MIN_ALIGN`. + // + // SAFETY: + // - `hHeap` must be a non-null handle returned by `GetProcessHeap`. + // - `dwFlags` must be set to either zero or `HEAP_ZERO_MEMORY`. + // + // Note that `dwBytes` is allowed to be zero, contrary to some other allocators. + // + // See https://docs.microsoft.com/windows/win32/api/heapapi/nf-heapapi-heapalloc + fn HeapAlloc(hHeap: c::HANDLE, dwFlags: c::DWORD, dwBytes: c::SIZE_T) -> c::LPVOID; + + // Reallocate a block of memory behind a given pointer `lpMem` from a given heap `hHeap`, + // to a block of at least `dwBytes` bytes, either shrinking the block in place, + // or allocating at a new location, copying memory, and freeing the original location. + // + // Returns a pointer to the reallocated memory or null if the operation fails. + // The returned pointer will be aligned to at least `MIN_ALIGN`. + // If the operation fails the given block will never have been freed. + // + // SAFETY: + // - `hHeap` must be a non-null handle returned by `GetProcessHeap`. + // - `dwFlags` must be set to zero. + // - `lpMem` must be a non-null pointer to an allocated block returned by `HeapAlloc` or + // `HeapReAlloc`, that has not already been freed. + // If the block was successfully reallocated at a new location, pointers pointing to + // the freed memory, such as `lpMem`, must not be dereferenced ever again. + // + // Note that `dwBytes` is allowed to be zero, contrary to some other allocators. + // + // See https://docs.microsoft.com/windows/win32/api/heapapi/nf-heapapi-heaprealloc + fn HeapReAlloc( + hHeap: c::HANDLE, + dwFlags: c::DWORD, + lpMem: c::LPVOID, + dwBytes: c::SIZE_T, + ) -> c::LPVOID; + + // Free a block of memory behind a given pointer `lpMem` from a given heap `hHeap`. + // Returns a nonzero value if the operation is successful, and zero if the operation fails. + // + // SAFETY: + // - `hHeap` must be a non-null handle returned by `GetProcessHeap`. + // - `dwFlags` must be set to zero. + // - `lpMem` must be a pointer to an allocated block returned by `HeapAlloc` or `HeapReAlloc`, + // that has not already been freed. + // If the block was successfully freed, pointers pointing to the freed memory, such as `lpMem`, + // must not be dereferenced ever again. + // + // Note that `lpMem` is allowed to be null, which will not cause the operation to fail. + // + // See https://docs.microsoft.com/windows/win32/api/heapapi/nf-heapapi-heapfree + fn HeapFree(hHeap: c::HANDLE, dwFlags: c::DWORD, lpMem: c::LPVOID) -> c::BOOL; } -unsafe fn align_ptr(ptr: *mut u8, align: usize) -> *mut u8 { - let aligned = ptr.add(align - (ptr as usize & (align - 1))); - *get_header(aligned) = Header(ptr); - aligned +// Cached handle to the default heap of the current process. +// Either a non-null handle returned by `GetProcessHeap`, or null when not yet initialized or `GetProcessHeap` failed. +static HEAP: AtomicPtr = AtomicPtr::new(ptr::null_mut()); + +// Get a handle to the default heap of the current process, or null if the operation fails. +// If this operation is successful, `HEAP` will be successfully initialized and contain +// a non-null handle returned by `GetProcessHeap`. +#[inline] +fn init_or_get_process_heap() -> c::HANDLE { + let heap = HEAP.load(Ordering::Relaxed); + if heap.is_null() { + // `HEAP` has not yet been successfully initialized + let heap = unsafe { GetProcessHeap() }; + if !heap.is_null() { + // SAFETY: No locking is needed because within the same process, + // successful calls to `GetProcessHeap` will always return the same value, even on different threads. + HEAP.store(heap, Ordering::Release); + + // SAFETY: `HEAP` contains a non-null handle returned by `GetProcessHeap` + heap + } else { + // Could not get the current process heap. + ptr::null_mut() + } + } else { + // SAFETY: `HEAP` contains a non-null handle returned by `GetProcessHeap` + heap + } } +// Get a non-null handle to the default heap of the current process. +// SAFETY: `HEAP` must have been successfully initialized. #[inline] -unsafe fn allocate_with_flags(layout: Layout, flags: c::DWORD) -> *mut u8 { - if layout.align() <= MIN_ALIGN { - return c::HeapAlloc(c::GetProcessHeap(), flags, layout.size()) as *mut u8; +unsafe fn get_process_heap() -> c::HANDLE { + HEAP.load(Ordering::Acquire) +} + +// Header containing a pointer to the start of an allocated block. +// SAFETY: Size and alignment must be <= `MIN_ALIGN`. +#[repr(C)] +struct Header(*mut u8); + +// Allocate a block of optionally zeroed memory for a given `layout`. +// SAFETY: Returns a pointer satisfying the guarantees of `System` about allocated pointers, +// or null if the operation fails. If this returns non-null `HEAP` will have been successfully +// initialized. +#[inline] +unsafe fn allocate(layout: Layout, zeroed: bool) -> *mut u8 { + let heap = init_or_get_process_heap(); + if heap.is_null() { + // Allocation has failed, could not get the current process heap. + return ptr::null_mut(); } - let size = layout.size() + layout.align(); - let ptr = c::HeapAlloc(c::GetProcessHeap(), flags, size); - if ptr.is_null() { ptr as *mut u8 } else { align_ptr(ptr as *mut u8, layout.align()) } + // Allocated memory will be either zeroed or uninitialized. + let flags = if zeroed { HEAP_ZERO_MEMORY } else { 0 }; + + if layout.align() <= MIN_ALIGN { + // SAFETY: `heap` is a non-null handle returned by `GetProcessHeap`. + // The returned pointer points to the start of an allocated block. + unsafe { HeapAlloc(heap, flags, layout.size()) as *mut u8 } + } else { + // Allocate extra padding in order to be able to satisfy the alignment. + let total = layout.align() + layout.size(); + + // SAFETY: `heap` is a non-null handle returned by `GetProcessHeap`. + let ptr = unsafe { HeapAlloc(heap, flags, total) as *mut u8 }; + if ptr.is_null() { + // Allocation has failed. + return ptr::null_mut(); + } + + // Create a correctly aligned pointer offset from the start of the allocated block, + // and write a header before it. + + let offset = layout.align() - (ptr as usize & (layout.align() - 1)); + // SAFETY: `MIN_ALIGN` <= `offset` <= `layout.align()` and the size of the allocated + // block is `layout.align() + layout.size()`. `aligned` will thus be a correctly aligned + // pointer inside the allocated block with at least `layout.size()` bytes after it and at + // least `MIN_ALIGN` bytes of padding before it. + let aligned = unsafe { ptr.add(offset) }; + // SAFETY: Because the size and alignment of a header is <= `MIN_ALIGN` and `aligned` + // is aligned to at least `MIN_ALIGN` and has at least `MIN_ALIGN` bytes of padding before + // it, it is safe to write a header directly before it. + unsafe { ptr::write((aligned as *mut Header).offset(-1), Header(ptr)) }; + + // SAFETY: The returned pointer does not point to the to the start of an allocated block, + // but there is a header readable directly before it containing the location of the start + // of the block. + aligned + } } +// All pointers returned by this allocator have, in addition to the guarantees of `GlobalAlloc`, the +// following properties: +// +// If the pointer was allocated or reallocated with a `layout` specifying an alignment <= `MIN_ALIGN` +// the pointer will be aligned to at least `MIN_ALIGN` and point to the start of the allocated block. +// +// If the pointer was allocated or reallocated with a `layout` specifying an alignment > `MIN_ALIGN` +// the pointer will be aligned to the specified alignment and not point to the start of the allocated block. +// Instead there will be a header readable directly before the returned pointer, containing the actual +// location of the start of the block. #[stable(feature = "alloc_system_type", since = "1.28.0")] unsafe impl GlobalAlloc for System { #[inline] unsafe fn alloc(&self, layout: Layout) -> *mut u8 { - allocate_with_flags(layout, 0) + // SAFETY: Pointers returned by `allocate` satisfy the guarantees of `System` + let zeroed = false; + unsafe { allocate(layout, zeroed) } } #[inline] unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 { - allocate_with_flags(layout, c::HEAP_ZERO_MEMORY) + // SAFETY: Pointers returned by `allocate` satisfy the guarantees of `System` + let zeroed = true; + unsafe { allocate(layout, zeroed) } } #[inline] unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { - if layout.align() <= MIN_ALIGN { - let err = c::HeapFree(c::GetProcessHeap(), 0, ptr as c::LPVOID); - debug_assert!(err != 0, "Failed to free heap memory: {}", c::GetLastError()); - } else { - let header = get_header(ptr); - let err = c::HeapFree(c::GetProcessHeap(), 0, header.0 as c::LPVOID); - debug_assert!(err != 0, "Failed to free heap memory: {}", c::GetLastError()); - } + let block = { + if layout.align() <= MIN_ALIGN { + ptr + } else { + // The location of the start of the block is stored in the padding before `ptr`. + + // SAFETY: Because of the contract of `System`, `ptr` is guaranteed to be non-null + // and have a header readable directly before it. + unsafe { ptr::read((ptr as *mut Header).offset(-1)).0 } + } + }; + + // SAFETY: because `ptr` has been successfully allocated with this allocator, + // `HEAP` must have been successfully initialized. + let heap = unsafe { get_process_heap() }; + + // SAFETY: `heap` is a non-null handle returned by `GetProcessHeap`, + // `block` is a pointer to the start of an allocated block. + unsafe { HeapFree(heap, 0, block as c::LPVOID) }; } #[inline] unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 { if layout.align() <= MIN_ALIGN { - c::HeapReAlloc(c::GetProcessHeap(), 0, ptr as c::LPVOID, new_size) as *mut u8 + // SAFETY: because `ptr` has been successfully allocated with this allocator, + // `HEAP` must have been successfully initialized. + let heap = unsafe { get_process_heap() }; + + // SAFETY: `heap` is a non-null handle returned by `GetProcessHeap`, + // `ptr` is a pointer to the start of an allocated block. + // The returned pointer points to the start of an allocated block. + unsafe { HeapReAlloc(heap, 0, ptr as c::LPVOID, new_size) as *mut u8 } } else { - realloc_fallback(self, ptr, layout, new_size) + // SAFETY: `realloc_fallback` is implemented using `dealloc` and `alloc`, which will + // correctly handle `ptr` and return a pointer satisfying the guarantees of `System` + unsafe { realloc_fallback(self, ptr, layout, new_size) } } } } diff --git a/library/std/src/sys/windows/alloc/tests.rs b/library/std/src/sys/windows/alloc/tests.rs new file mode 100644 index 000000000000..674a3e1d92d1 --- /dev/null +++ b/library/std/src/sys/windows/alloc/tests.rs @@ -0,0 +1,9 @@ +use super::{Header, MIN_ALIGN}; +use crate::mem; + +#[test] +fn alloc_header() { + // Header must fit in the padding before an aligned pointer + assert!(mem::size_of::
() <= MIN_ALIGN); + assert!(mem::align_of::
() <= MIN_ALIGN); +} diff --git a/library/std/src/sys/windows/c.rs b/library/std/src/sys/windows/c.rs index 9789ed085e29..3e4176ef7f8f 100644 --- a/library/std/src/sys/windows/c.rs +++ b/library/std/src/sys/windows/c.rs @@ -285,8 +285,6 @@ pub const FD_SETSIZE: usize = 64; pub const STACK_SIZE_PARAM_IS_A_RESERVATION: DWORD = 0x00010000; -pub const HEAP_ZERO_MEMORY: DWORD = 0x00000008; - pub const STATUS_SUCCESS: NTSTATUS = 0x00000000; #[repr(C)] @@ -1017,11 +1015,6 @@ extern "system" { timeout: *const timeval, ) -> c_int; - pub fn GetProcessHeap() -> HANDLE; - pub fn HeapAlloc(hHeap: HANDLE, dwFlags: DWORD, dwBytes: SIZE_T) -> LPVOID; - pub fn HeapReAlloc(hHeap: HANDLE, dwFlags: DWORD, lpMem: LPVOID, dwBytes: SIZE_T) -> LPVOID; - pub fn HeapFree(hHeap: HANDLE, dwFlags: DWORD, lpMem: LPVOID) -> BOOL; - // >= Vista / Server 2008 // https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-createsymboliclinkw pub fn CreateSymbolicLinkW( diff --git a/src/bootstrap/CHANGELOG.md b/src/bootstrap/CHANGELOG.md index f899f21080eb..8437a10426b7 100644 --- a/src/bootstrap/CHANGELOG.md +++ b/src/bootstrap/CHANGELOG.md @@ -8,6 +8,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/). ## [Changes since the last major version] - `llvm-libunwind` now accepts `in-tree` (formerly true), `system` or `no` (formerly false) [#77703](https://github.com/rust-lang/rust/pull/77703) +- The options `infodir`, `localstatedir`, and `gpg-password-file` are no longer allowed in config.toml. Previously, they were ignored without warning. Note that `infodir` and `localstatedir` are still accepted by `./configure`, with a warning. [#82451](https://github.com/rust-lang/rust/pull/82451) ### Non-breaking changes diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index 075756b73ba8..23af00d62930 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -383,7 +383,7 @@ def __init__(self): self.nix_deps_dir = None self.rustc_commit = None - def download_stage0(self): + def download_toolchain(self, stage0=True, rustc_channel=None): """Fetch the build system for Rust, written in Rust This method will build a cache directory, then it will fetch the @@ -393,43 +393,47 @@ def download_stage0(self): Each downloaded tarball is extracted, after that, the script will move all the content to the right place. """ - rustc_channel = self.rustc_channel + if rustc_channel is None: + rustc_channel = self.rustc_channel rustfmt_channel = self.rustfmt_channel - - if self.rustc().startswith(self.bin_root()) and \ - (not os.path.exists(self.rustc()) or - self.program_out_of_date(self.rustc_stamp(), self.date + str(self.rustc_commit))): - if os.path.exists(self.bin_root()): - shutil.rmtree(self.bin_root()) - download_rustc = self.rustc_commit is not None + bin_root = self.bin_root(stage0) + + key = self.date + if not stage0: + key += str(self.rustc_commit) + if self.rustc(stage0).startswith(bin_root) and \ + (not os.path.exists(self.rustc(stage0)) or + self.program_out_of_date(self.rustc_stamp(stage0), key)): + if os.path.exists(bin_root): + shutil.rmtree(bin_root) tarball_suffix = '.tar.xz' if support_xz() else '.tar.gz' filename = "rust-std-{}-{}{}".format( rustc_channel, self.build, tarball_suffix) pattern = "rust-std-{}".format(self.build) - self._download_component_helper(filename, pattern, tarball_suffix, download_rustc) + self._download_component_helper(filename, pattern, tarball_suffix, stage0) filename = "rustc-{}-{}{}".format(rustc_channel, self.build, tarball_suffix) - self._download_component_helper(filename, "rustc", tarball_suffix, download_rustc) + self._download_component_helper(filename, "rustc", tarball_suffix, stage0) filename = "cargo-{}-{}{}".format(rustc_channel, self.build, tarball_suffix) self._download_component_helper(filename, "cargo", tarball_suffix) - if self.rustc_commit is not None: + if not stage0: filename = "rustc-dev-{}-{}{}".format(rustc_channel, self.build, tarball_suffix) self._download_component_helper( - filename, "rustc-dev", tarball_suffix, download_rustc + filename, "rustc-dev", tarball_suffix, stage0 ) - self.fix_bin_or_dylib("{}/bin/rustc".format(self.bin_root())) - self.fix_bin_or_dylib("{}/bin/rustdoc".format(self.bin_root())) - self.fix_bin_or_dylib("{}/bin/cargo".format(self.bin_root())) - lib_dir = "{}/lib".format(self.bin_root()) + self.fix_bin_or_dylib("{}/bin/rustc".format(bin_root)) + self.fix_bin_or_dylib("{}/bin/rustdoc".format(bin_root)) + self.fix_bin_or_dylib("{}/bin/cargo".format(bin_root)) + lib_dir = "{}/lib".format(bin_root) for lib in os.listdir(lib_dir): if lib.endswith(".so"): self.fix_bin_or_dylib(os.path.join(lib_dir, lib), rpath_libz=True) - with output(self.rustc_stamp()) as rust_stamp: - rust_stamp.write(self.date + str(self.rustc_commit)) + with output(self.rustc_stamp(stage0)) as rust_stamp: + rust_stamp.write(key) - if self.rustfmt() and self.rustfmt().startswith(self.bin_root()) and ( + if self.rustfmt() and self.rustfmt().startswith(bin_root) and ( not os.path.exists(self.rustfmt()) or self.program_out_of_date(self.rustfmt_stamp(), self.rustfmt_channel) ): @@ -440,12 +444,13 @@ def download_stage0(self): self._download_component_helper( filename, "rustfmt-preview", tarball_suffix, key=date ) - self.fix_bin_or_dylib("{}/bin/rustfmt".format(self.bin_root())) - self.fix_bin_or_dylib("{}/bin/cargo-fmt".format(self.bin_root())) + self.fix_bin_or_dylib("{}/bin/rustfmt".format(bin_root)) + self.fix_bin_or_dylib("{}/bin/cargo-fmt".format(bin_root)) with output(self.rustfmt_stamp()) as rustfmt_stamp: rustfmt_stamp.write(self.rustfmt_channel) - if self.downloading_llvm(): + # Avoid downloading LLVM twice (once for stage0 and once for the master rustc) + if self.downloading_llvm() and stage0: # We want the most recent LLVM submodule update to avoid downloading # LLVM more often than necessary. # @@ -498,27 +503,26 @@ def downloading_llvm(self): or (opt == "if-available" and self.build in supported_platforms) def _download_component_helper( - self, filename, pattern, tarball_suffix, download_rustc=False, key=None + self, filename, pattern, tarball_suffix, stage0=True, key=None ): if key is None: - if download_rustc: - key = self.rustc_commit - else: + if stage0: key = self.date + else: + key = self.rustc_commit cache_dst = os.path.join(self.build_dir, "cache") rustc_cache = os.path.join(cache_dst, key) if not os.path.exists(rustc_cache): os.makedirs(rustc_cache) - if download_rustc: - url = "https://ci-artifacts.rust-lang.org/rustc-builds/{}".format(self.rustc_commit) - else: + if stage0: url = "{}/dist/{}".format(self._download_url, key) + else: + url = "https://ci-artifacts.rust-lang.org/rustc-builds/{}".format(self.rustc_commit) tarball = os.path.join(rustc_cache, filename) if not os.path.exists(tarball): - do_verify = not download_rustc - get("{}/{}".format(url, filename), tarball, verbose=self.verbose, do_verify=do_verify) - unpack(tarball, tarball_suffix, self.bin_root(), match=pattern, verbose=self.verbose) + get("{}/{}".format(url, filename), tarball, verbose=self.verbose, do_verify=stage0) + unpack(tarball, tarball_suffix, self.bin_root(stage0), match=pattern, verbose=self.verbose) def _download_ci_llvm(self, llvm_sha, llvm_assertions): cache_prefix = "llvm-{}-{}".format(llvm_sha, llvm_assertions) @@ -576,10 +580,10 @@ def fix_bin_or_dylib(self, fname, rpath_libz=False): nix_os_msg = "info: you seem to be running NixOS. Attempting to patch" print(nix_os_msg, fname) - # Only build `stage0/.nix-deps` once. + # Only build `.nix-deps` once. nix_deps_dir = self.nix_deps_dir if not nix_deps_dir: - nix_deps_dir = "{}/.nix-deps".format(self.bin_root()) + nix_deps_dir = ".nix-deps" if not os.path.exists(nix_deps_dir): os.makedirs(nix_deps_dir) @@ -637,11 +641,13 @@ def fix_bin_or_dylib(self, fname, rpath_libz=False): print("warning: failed to call patchelf:", reason) return - # Return the stage1 compiler to download, if any. - def maybe_download_rustc(self): + # If `download-rustc` is set, download the most recent commit with CI artifacts + def maybe_download_ci_toolchain(self): # If `download-rustc` is not set, default to rebuilding. - if self.get_toml("download-rustc", section="rust") != "true": + download_rustc = self.get_toml("download-rustc", section="rust") + if download_rustc is None or download_rustc == "false": return None + assert download_rustc == "true" or download_rustc == "if-unchanged", download_rustc # Handle running from a directory other than the top level rev_parse = ["git", "rev-parse", "--show-toplevel"] @@ -656,19 +662,27 @@ def maybe_download_rustc(self): # Warn if there were changes to the compiler since the ancestor commit. status = subprocess.call(["git", "diff-index", "--quiet", commit, "--", compiler]) if status != 0: + if download_rustc == "if-unchanged": + return None print("warning: `download-rustc` is enabled, but there are changes to compiler/") - return commit + if self.verbose: + print("using downloaded stage1 artifacts from CI (commit {})".format(commit)) + self.rustc_commit = commit + # FIXME: support downloading artifacts from the beta channel + self.download_toolchain(False, "nightly") - def rustc_stamp(self): - """Return the path for .rustc-stamp + def rustc_stamp(self, stage0): + """Return the path for .rustc-stamp at the given stage >>> rb = RustBuild() >>> rb.build_dir = "build" - >>> rb.rustc_stamp() == os.path.join("build", "stage0", ".rustc-stamp") + >>> rb.rustc_stamp(True) == os.path.join("build", "stage0", ".rustc-stamp") + True + >>> rb.rustc_stamp(False) == os.path.join("build", "ci-rustc", ".rustc-stamp") True """ - return os.path.join(self.bin_root(), '.rustc-stamp') + return os.path.join(self.bin_root(stage0), '.rustc-stamp') def rustfmt_stamp(self): """Return the path for .rustfmt-stamp @@ -678,7 +692,7 @@ def rustfmt_stamp(self): >>> rb.rustfmt_stamp() == os.path.join("build", "stage0", ".rustfmt-stamp") True """ - return os.path.join(self.bin_root(), '.rustfmt-stamp') + return os.path.join(self.bin_root(True), '.rustfmt-stamp') def llvm_stamp(self): """Return the path for .rustfmt-stamp @@ -698,21 +712,27 @@ def program_out_of_date(self, stamp_path, key): with open(stamp_path, 'r') as stamp: return key != stamp.read() - def bin_root(self): - """Return the binary root directory + def bin_root(self, stage0): + """Return the binary root directory for the given stage >>> rb = RustBuild() >>> rb.build_dir = "build" - >>> rb.bin_root() == os.path.join("build", "stage0") + >>> rb.bin_root(True) == os.path.join("build", "stage0") + True + >>> rb.bin_root(False) == os.path.join("build", "ci-rustc") True When the 'build' property is given should be a nested directory: >>> rb.build = "devel" - >>> rb.bin_root() == os.path.join("build", "devel", "stage0") + >>> rb.bin_root(True) == os.path.join("build", "devel", "stage0") True """ - return os.path.join(self.build_dir, self.build, "stage0") + if stage0: + subdir = "stage0" + else: + subdir = "ci-rustc" + return os.path.join(self.build_dir, self.build, subdir) def llvm_root(self): """Return the CI LLVM root directory @@ -775,9 +795,9 @@ def cargo(self): """Return config path for cargo""" return self.program_config('cargo') - def rustc(self): + def rustc(self, stage0): """Return config path for rustc""" - return self.program_config('rustc') + return self.program_config('rustc', stage0) def rustfmt(self): """Return config path for rustfmt""" @@ -785,23 +805,27 @@ def rustfmt(self): return None return self.program_config('rustfmt') - def program_config(self, program): - """Return config path for the given program + def program_config(self, program, stage0=True): + """Return config path for the given program at the given stage >>> rb = RustBuild() >>> rb.config_toml = 'rustc = "rustc"\\n' >>> rb.program_config('rustc') 'rustc' >>> rb.config_toml = '' - >>> cargo_path = rb.program_config('cargo') - >>> cargo_path.rstrip(".exe") == os.path.join(rb.bin_root(), + >>> cargo_path = rb.program_config('cargo', True) + >>> cargo_path.rstrip(".exe") == os.path.join(rb.bin_root(True), + ... "bin", "cargo") + True + >>> cargo_path = rb.program_config('cargo', False) + >>> cargo_path.rstrip(".exe") == os.path.join(rb.bin_root(False), ... "bin", "cargo") True """ config = self.get_toml(program) if config: return os.path.expanduser(config) - return os.path.join(self.bin_root(), "bin", "{}{}".format( + return os.path.join(self.bin_root(stage0), "bin", "{}{}".format( program, self.exe_suffix())) @staticmethod @@ -856,14 +880,14 @@ def build_bootstrap(self): if "CARGO_BUILD_TARGET" in env: del env["CARGO_BUILD_TARGET"] env["CARGO_TARGET_DIR"] = build_dir - env["RUSTC"] = self.rustc() - env["LD_LIBRARY_PATH"] = os.path.join(self.bin_root(), "lib") + \ + env["RUSTC"] = self.rustc(True) + env["LD_LIBRARY_PATH"] = os.path.join(self.bin_root(True), "lib") + \ (os.pathsep + env["LD_LIBRARY_PATH"]) \ if "LD_LIBRARY_PATH" in env else "" - env["DYLD_LIBRARY_PATH"] = os.path.join(self.bin_root(), "lib") + \ + env["DYLD_LIBRARY_PATH"] = os.path.join(self.bin_root(True), "lib") + \ (os.pathsep + env["DYLD_LIBRARY_PATH"]) \ if "DYLD_LIBRARY_PATH" in env else "" - env["LIBRARY_PATH"] = os.path.join(self.bin_root(), "lib") + \ + env["LIBRARY_PATH"] = os.path.join(self.bin_root(True), "lib") + \ (os.pathsep + env["LIBRARY_PATH"]) \ if "LIBRARY_PATH" in env else "" # preserve existing RUSTFLAGS @@ -886,7 +910,7 @@ def build_bootstrap(self): if self.get_toml("deny-warnings", "rust") != "false": env["RUSTFLAGS"] += " -Dwarnings" - env["PATH"] = os.path.join(self.bin_root(), "bin") + \ + env["PATH"] = os.path.join(self.bin_root(True), "bin") + \ os.pathsep + env["PATH"] if not os.path.isfile(self.cargo()): raise Exception("no cargo executable found at `{}`".format( @@ -1137,14 +1161,9 @@ def bootstrap(help_triggered): build.update_submodules() # Fetch/build the bootstrap - build.rustc_commit = build.maybe_download_rustc() - if build.rustc_commit is not None: - if build.verbose: - commit = build.rustc_commit - print("using downloaded stage1 artifacts from CI (commit {})".format(commit)) - # FIXME: support downloading artifacts from the beta channel - build.rustc_channel = "nightly" - build.download_stage0() + build.download_toolchain() + # Download the master compiler if `download-rustc` is set + build.maybe_download_ci_toolchain() sys.stdout.flush() build.ensure_vendored() build.build_bootstrap() @@ -1160,6 +1179,8 @@ def bootstrap(help_triggered): env["RUSTC_BOOTSTRAP"] = '1' if toml_path: env["BOOTSTRAP_CONFIG"] = toml_path + if build.rustc_commit is not None: + env["BOOTSTRAP_DOWNLOAD_RUSTC"] = '1' run(args, env=env, verbose=build.verbose) diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs index 22a1eb637023..38901a35296e 100644 --- a/src/bootstrap/builder.rs +++ b/src/bootstrap/builder.rs @@ -420,6 +420,7 @@ impl<'a> Builder<'a> { test::Rustfmt, test::Miri, test::Clippy, + test::RustDemangler, test::CompiletestTest, test::RustdocJSStd, test::RustdocJSNotStd, @@ -466,6 +467,7 @@ impl<'a> Builder<'a> { dist::Rls, dist::RustAnalyzer, dist::Rustfmt, + dist::RustDemangler, dist::Clippy, dist::Miri, dist::LlvmTools, @@ -481,6 +483,7 @@ impl<'a> Builder<'a> { install::Rls, install::RustAnalyzer, install::Rustfmt, + install::RustDemangler, install::Clippy, install::Miri, install::Analysis, @@ -738,12 +741,7 @@ impl<'a> Builder<'a> { .env("RUSTDOC_REAL", self.rustdoc(compiler)) .env("RUSTC_BOOTSTRAP", "1"); - // cfg(bootstrap), can be removed on the next beta bump - if compiler.stage == 0 { - cmd.arg("-Winvalid_codeblock_attributes"); - } else { - cmd.arg("-Wrustdoc::invalid_codeblock_attributes"); - } + cmd.arg("-Wrustdoc::invalid_codeblock_attributes"); if self.config.deny_warnings { cmd.arg("-Dwarnings"); @@ -1300,12 +1298,7 @@ impl<'a> Builder<'a> { // fixed via better support from Cargo. cargo.env("RUSTC_LINT_FLAGS", lint_flags.join(" ")); - // cfg(bootstrap), can be removed on the next beta bump - if compiler.stage == 0 { - rustdocflags.arg("-Winvalid_codeblock_attributes"); - } else { - rustdocflags.arg("-Wrustdoc::invalid_codeblock_attributes"); - } + rustdocflags.arg("-Wrustdoc::invalid_codeblock_attributes"); } if mode == Mode::Rustc { diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs index 9398f211721b..8244c7710ab7 100644 --- a/src/bootstrap/compile.rs +++ b/src/bootstrap/compile.rs @@ -65,7 +65,9 @@ impl Step for Std { // These artifacts were already copied (in `impl Step for Sysroot`). // Don't recompile them. - if builder.config.download_rustc { + // NOTE: the ABI of the beta compiler is different from the ABI of the downloaded compiler, + // so its artifacts can't be reused. + if builder.config.download_rustc && compiler.stage != 0 { return; } @@ -513,7 +515,9 @@ impl Step for Rustc { let compiler = self.compiler; let target = self.target; - if builder.config.download_rustc { + // NOTE: the ABI of the beta compiler is different from the ABI of the downloaded compiler, + // so its artifacts can't be reused. + if builder.config.download_rustc && compiler.stage != 0 { // Copy the existing artifacts instead of rebuilding them. // NOTE: this path is only taken for tools linking to rustc-dev. builder.ensure(Sysroot { compiler }); @@ -934,14 +938,15 @@ impl Step for Sysroot { t!(fs::create_dir_all(&sysroot)); // If we're downloading a compiler from CI, we can use the same compiler for all stages other than 0. - if builder.config.download_rustc { + if builder.config.download_rustc && compiler.stage != 0 { assert_eq!( builder.config.build, compiler.host, "Cross-compiling is not yet supported with `download-rustc`", ); // Copy the compiler into the correct sysroot. - let stage0_dir = builder.config.out.join(&*builder.config.build.triple).join("stage0"); - builder.cp_r(&stage0_dir, &sysroot); + let ci_rustc_dir = + builder.config.out.join(&*builder.config.build.triple).join("ci-rustc"); + builder.cp_r(&ci_rustc_dir, &sysroot); return INTERNER.intern_path(sysroot); } diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs index b9b090bb2d2d..483816b98d68 100644 --- a/src/bootstrap/config.rs +++ b/src/bootstrap/config.rs @@ -67,7 +67,7 @@ pub struct Config { pub rustc_error_format: Option, pub json_output: bool, pub test_compare_mode: bool, - pub llvm_libunwind: Option, + pub llvm_libunwind: LlvmLibunwind, pub color: Color, pub on_fail: Option, @@ -101,8 +101,8 @@ pub struct Config { pub llvm_link_jobs: Option, pub llvm_version_suffix: Option, pub llvm_use_linker: Option, - pub llvm_allow_old_toolchain: Option, - pub llvm_polly: Option, + pub llvm_allow_old_toolchain: bool, + pub llvm_polly: bool, pub llvm_from_ci: bool, pub use_lld: bool, @@ -149,7 +149,6 @@ pub struct Config { // dist misc pub dist_sign_folder: Option, pub dist_upload_addr: Option, - pub dist_gpg_password_file: Option, pub dist_compression_formats: Option>, // libstd features @@ -404,10 +403,6 @@ struct Install { libdir: Option, mandir: Option, datadir: Option, - - // standard paths, currently unused - infodir: Option, - localstatedir: Option, } /// TOML representation of how the LLVM build is configured. @@ -510,7 +505,8 @@ struct Rust { new_symbol_mangling: Option, profile_generate: Option, profile_use: Option, - download_rustc: Option, + // ignored; this is set from an env var set by bootstrap.py + download_rustc: Option, } /// TOML representation of how each build target is configured. @@ -563,11 +559,10 @@ impl Config { config.rust_rpath = true; config.channel = "dev".to_string(); config.codegen_tests = true; - config.ignore_git = false; config.rust_dist_src = true; config.rust_codegen_backends = vec![INTERNER.intern_str("llvm")]; config.deny_warnings = true; - config.missing_tools = false; + config.bindir = "bin".into(); // set by build.rs config.build = TargetSelection::from_user(&env!("BUILD_TRIPLE")); @@ -597,7 +592,6 @@ impl Config { config.dry_run = flags.dry_run; config.keep_stage = flags.keep_stage; config.keep_stage_std = flags.keep_stage_std; - config.bindir = "bin".into(); // default config.color = flags.color; if let Some(value) = flags.deny_warnings { config.deny_warnings = value; @@ -687,51 +681,6 @@ impl Config { set(&mut config.print_step_timings, build.print_step_timings); set(&mut config.print_step_rusage, build.print_step_rusage); - // See https://github.com/rust-lang/compiler-team/issues/326 - config.stage = match config.cmd { - Subcommand::Check { .. } => flags.stage.or(build.check_stage).unwrap_or(0), - Subcommand::Doc { .. } => flags.stage.or(build.doc_stage).unwrap_or(0), - Subcommand::Build { .. } => flags.stage.or(build.build_stage).unwrap_or(1), - Subcommand::Test { .. } => flags.stage.or(build.test_stage).unwrap_or(1), - Subcommand::Bench { .. } => flags.stage.or(build.bench_stage).unwrap_or(2), - Subcommand::Dist { .. } => flags.stage.or(build.dist_stage).unwrap_or(2), - Subcommand::Install { .. } => flags.stage.or(build.install_stage).unwrap_or(2), - // These are all bootstrap tools, which don't depend on the compiler. - // The stage we pass shouldn't matter, but use 0 just in case. - Subcommand::Clean { .. } - | Subcommand::Clippy { .. } - | Subcommand::Fix { .. } - | Subcommand::Run { .. } - | Subcommand::Setup { .. } - | Subcommand::Format { .. } => flags.stage.unwrap_or(0), - }; - - // CI should always run stage 2 builds, unless it specifically states otherwise - #[cfg(not(test))] - if flags.stage.is_none() && crate::CiEnv::current() != crate::CiEnv::None { - match config.cmd { - Subcommand::Test { .. } - | Subcommand::Doc { .. } - | Subcommand::Build { .. } - | Subcommand::Bench { .. } - | Subcommand::Dist { .. } - | Subcommand::Install { .. } => { - assert_eq!( - config.stage, 2, - "x.py should be run with `--stage 2` on CI, but was run with `--stage {}`", - config.stage, - ); - } - Subcommand::Clean { .. } - | Subcommand::Check { .. } - | Subcommand::Clippy { .. } - | Subcommand::Fix { .. } - | Subcommand::Run { .. } - | Subcommand::Setup { .. } - | Subcommand::Format { .. } => {} - } - } - config.verbose = cmp::max(config.verbose, flags.verbose); if let Some(install) = toml.install { @@ -792,12 +741,25 @@ impl Config { config.llvm_ldflags = llvm.ldflags.clone(); set(&mut config.llvm_use_libcxx, llvm.use_libcxx); config.llvm_use_linker = llvm.use_linker.clone(); - config.llvm_allow_old_toolchain = llvm.allow_old_toolchain; - config.llvm_polly = llvm.polly; + config.llvm_allow_old_toolchain = llvm.allow_old_toolchain.unwrap_or(false); + config.llvm_polly = llvm.polly.unwrap_or(false); config.llvm_from_ci = match llvm.download_ci_llvm { Some(StringOrBool::String(s)) => { assert!(s == "if-available", "unknown option `{}` for download-ci-llvm", s); - config.build.triple == "x86_64-unknown-linux-gnu" + // This is currently all tier 1 targets (since others may not have CI artifacts) + // https://doc.rust-lang.org/rustc/platform-support.html#tier-1 + // FIXME: this is duplicated in bootstrap.py + let supported_platforms = [ + "aarch64-unknown-linux-gnu", + "i686-pc-windows-gnu", + "i686-pc-windows-msvc", + "i686-unknown-linux-gnu", + "x86_64-unknown-linux-gnu", + "x86_64-apple-darwin", + "x86_64-pc-windows-gnu", + "x86_64-pc-windows-msvc", + ]; + supported_platforms.contains(&&*config.build.triple) } Some(StringOrBool::Bool(b)) => b, None => false, @@ -818,7 +780,6 @@ impl Config { check_ci_llvm!(llvm.targets); check_ci_llvm!(llvm.experimental_targets); check_ci_llvm!(llvm.link_jobs); - check_ci_llvm!(llvm.link_shared); check_ci_llvm!(llvm.clang_cl); check_ci_llvm!(llvm.version_suffix); check_ci_llvm!(llvm.cflags); @@ -839,6 +800,11 @@ impl Config { // If we're building with ThinLTO on, we want to link to LLVM // shared, to avoid re-doing ThinLTO (which happens in the link // step) with each stage. + assert_ne!( + llvm.link_shared, + Some(false), + "setting link-shared=false is incompatible with thin-lto=true" + ); config.llvm_link_shared = true; } } @@ -864,7 +830,8 @@ impl Config { set(&mut config.test_compare_mode, rust.test_compare_mode); config.llvm_libunwind = rust .llvm_libunwind - .map(|v| v.parse().expect("failed to parse rust.llvm-libunwind")); + .map(|v| v.parse().expect("failed to parse rust.llvm-libunwind")) + .unwrap_or_default(); set(&mut config.backtrace, rust.backtrace); set(&mut config.channel, rust.channel); config.description = rust.description; @@ -897,7 +864,7 @@ impl Config { config.rust_codegen_units_std = rust.codegen_units_std.map(threads_from_config); config.rust_profile_use = flags.rust_profile_use.or(rust.profile_use); config.rust_profile_generate = flags.rust_profile_generate.or(rust.profile_generate); - config.download_rustc = rust.download_rustc.unwrap_or(false); + config.download_rustc = env::var("BOOTSTRAP_DOWNLOAD_RUSTC").as_deref() == Ok("1"); } else { config.rust_profile_use = flags.rust_profile_use; config.rust_profile_generate = flags.rust_profile_generate; @@ -952,7 +919,6 @@ impl Config { if let Some(t) = toml.dist { config.dist_sign_folder = t.sign_folder.map(PathBuf::from); - config.dist_gpg_password_file = t.gpg_password_file.map(PathBuf::from); config.dist_upload_addr = t.upload_addr; config.dist_compression_formats = t.compression_formats; set(&mut config.rust_dist_src, t.src_tarball); @@ -976,12 +942,8 @@ impl Config { // default values for all options that we haven't otherwise stored yet. config.llvm_skip_rebuild = llvm_skip_rebuild.unwrap_or(false); - - let default = false; - config.llvm_assertions = llvm_assertions.unwrap_or(default); - - let default = true; - config.rust_optimize = optimize.unwrap_or(default); + config.llvm_assertions = llvm_assertions.unwrap_or(false); + config.rust_optimize = optimize.unwrap_or(true); let default = debug == Some(true); config.rust_debug_assertions = debug_assertions.unwrap_or(default); @@ -1005,6 +967,59 @@ impl Config { let default = config.channel == "dev"; config.ignore_git = ignore_git.unwrap_or(default); + let download_rustc = config.download_rustc; + // See https://github.com/rust-lang/compiler-team/issues/326 + config.stage = match config.cmd { + Subcommand::Check { .. } => flags.stage.or(build.check_stage).unwrap_or(0), + // `download-rustc` only has a speed-up for stage2 builds. Default to stage2 unless explicitly overridden. + Subcommand::Doc { .. } => { + flags.stage.or(build.doc_stage).unwrap_or(if download_rustc { 2 } else { 0 }) + } + Subcommand::Build { .. } => { + flags.stage.or(build.build_stage).unwrap_or(if download_rustc { 2 } else { 1 }) + } + Subcommand::Test { .. } => { + flags.stage.or(build.test_stage).unwrap_or(if download_rustc { 2 } else { 1 }) + } + Subcommand::Bench { .. } => flags.stage.or(build.bench_stage).unwrap_or(2), + Subcommand::Dist { .. } => flags.stage.or(build.dist_stage).unwrap_or(2), + Subcommand::Install { .. } => flags.stage.or(build.install_stage).unwrap_or(2), + // These are all bootstrap tools, which don't depend on the compiler. + // The stage we pass shouldn't matter, but use 0 just in case. + Subcommand::Clean { .. } + | Subcommand::Clippy { .. } + | Subcommand::Fix { .. } + | Subcommand::Run { .. } + | Subcommand::Setup { .. } + | Subcommand::Format { .. } => flags.stage.unwrap_or(0), + }; + + // CI should always run stage 2 builds, unless it specifically states otherwise + #[cfg(not(test))] + if flags.stage.is_none() && crate::CiEnv::current() != crate::CiEnv::None { + match config.cmd { + Subcommand::Test { .. } + | Subcommand::Doc { .. } + | Subcommand::Build { .. } + | Subcommand::Bench { .. } + | Subcommand::Dist { .. } + | Subcommand::Install { .. } => { + assert_eq!( + config.stage, 2, + "x.py should be run with `--stage 2` on CI, but was run with `--stage {}`", + config.stage, + ); + } + Subcommand::Clean { .. } + | Subcommand::Check { .. } + | Subcommand::Clippy { .. } + | Subcommand::Fix { .. } + | Subcommand::Run { .. } + | Subcommand::Setup { .. } + | Subcommand::Format { .. } => {} + } + } + config } diff --git a/src/bootstrap/configure.py b/src/bootstrap/configure.py index 2e6e9142afe6..999882a1c04b 100755 --- a/src/bootstrap/configure.py +++ b/src/bootstrap/configure.py @@ -439,7 +439,12 @@ def configure_section(lines, config): lines[i] = "{} = {}".format(key, to_toml(value)) break if not found: - raise RuntimeError("failed to find config line for {}".format(key)) + # These are used by rpm, but aren't accepted by x.py. + # Give a warning that they're ignored, but not a hard error. + if key in ["infodir", "localstatedir"]: + print("warning: {} will be ignored".format(key)) + else: + raise RuntimeError("failed to find config line for {}".format(key)) for section_key in config: diff --git a/src/bootstrap/defaults/config.compiler.toml b/src/bootstrap/defaults/config.compiler.toml index 0ca928843d58..883bfead64e4 100644 --- a/src/bootstrap/defaults/config.compiler.toml +++ b/src/bootstrap/defaults/config.compiler.toml @@ -8,6 +8,5 @@ debug-logging = true incremental = true [llvm] -# Will download LLVM from CI if available on your platform (Linux only for now) -# https://github.com/rust-lang/rust/issues/77084 tracks support for more platforms +# Will download LLVM from CI if available on your platform. download-ci-llvm = "if-available" diff --git a/src/bootstrap/defaults/config.tools.toml b/src/bootstrap/defaults/config.tools.toml new file mode 100644 index 000000000000..182fb0fb0675 --- /dev/null +++ b/src/bootstrap/defaults/config.tools.toml @@ -0,0 +1,16 @@ +# These defaults are meant for contributors to tools which build on the +# compiler, but do not modify it directly. +[rust] +# This enables `RUSTC_LOG=debug`, avoiding confusing situations +# where adding `debug!()` appears to do nothing. +# However, it makes running the compiler slightly slower. +debug-logging = true +# This greatly increases the speed of rebuilds, especially when there are only minor changes. However, it makes the initial build slightly slower. +incremental = true +# Download rustc from CI instead of building it from source. +# This cuts compile times by almost 60x, but means you can't modify the compiler. +download-rustc = "if-unchanged" + +[llvm] +# Will download LLVM from CI if available on your platform. +download-ci-llvm = "if-available" diff --git a/src/bootstrap/dist.rs b/src/bootstrap/dist.rs index 802b5c99500c..38ebe0e52083 100644 --- a/src/bootstrap/dist.rs +++ b/src/bootstrap/dist.rs @@ -1246,6 +1246,56 @@ impl Step for Rustfmt { } } +#[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)] +pub struct RustDemangler { + pub compiler: Compiler, + pub target: TargetSelection, +} + +impl Step for RustDemangler { + type Output = Option; + const ONLY_HOSTS: bool = true; + + fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { + run.path("rust-demangler") + } + + fn make_run(run: RunConfig<'_>) { + run.builder.ensure(RustDemangler { + compiler: run.builder.compiler_for( + run.builder.top_stage, + run.builder.config.build, + run.target, + ), + target: run.target, + }); + } + + fn run(self, builder: &Builder<'_>) -> Option { + let compiler = self.compiler; + let target = self.target; + assert!(builder.config.extended); + + // Only build this extended tool if explicitly included in `tools`, or if `profiler = true` + let profiler = builder.config.profiler_enabled(target); + if !builder.config.tools.as_ref().map_or(profiler, |t| t.contains("rust-demangler")) { + return None; + } + + let rust_demangler = builder + .ensure(tool::RustDemangler { compiler, target, extra_features: Vec::new() }) + .expect("rust-demangler expected to build - in-tree tool"); + + // Prepare the image directory + let mut tarball = Tarball::new(builder, "rust-demangler", &target.triple); + tarball.set_overlay(OverlayKind::RustDemangler); + tarball.is_preview(true); + tarball.add_file(&rust_demangler, "bin", 0o755); + tarball.add_legal_and_readme_to("share/doc/rust-demangler"); + Some(tarball.generate()) + } +} + #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)] pub struct Extended { stage: u32, @@ -1282,6 +1332,7 @@ impl Step for Extended { let rustc_installer = builder.ensure(Rustc { compiler: builder.compiler(stage, target) }); let cargo_installer = builder.ensure(Cargo { compiler, target }); let rustfmt_installer = builder.ensure(Rustfmt { compiler, target }); + let rust_demangler_installer = builder.ensure(RustDemangler { compiler, target }); let rls_installer = builder.ensure(Rls { compiler, target }); let rust_analyzer_installer = builder.ensure(RustAnalyzer { compiler, target }); let llvm_tools_installer = builder.ensure(LlvmTools { target }); @@ -1307,9 +1358,10 @@ impl Step for Extended { let mut tarballs = Vec::new(); tarballs.push(rustc_installer); tarballs.push(cargo_installer); + tarballs.push(clippy_installer); + tarballs.extend(rust_demangler_installer.clone()); tarballs.extend(rls_installer.clone()); tarballs.extend(rust_analyzer_installer.clone()); - tarballs.push(clippy_installer); tarballs.extend(miri_installer.clone()); tarballs.extend(rustfmt_installer.clone()); tarballs.extend(llvm_tools_installer); @@ -1366,6 +1418,9 @@ impl Step for Extended { let xform = |p: &Path| { let mut contents = t!(fs::read_to_string(p)); + if rust_demangler_installer.is_none() { + contents = filter(&contents, "rust-demangler"); + } if rls_installer.is_none() { contents = filter(&contents, "rls"); } @@ -1414,7 +1469,9 @@ impl Step for Extended { prepare("rust-std"); prepare("rust-analysis"); prepare("clippy"); - + if rust_demangler_installer.is_some() { + prepare("rust-demangler"); + } if rls_installer.is_some() { prepare("rls"); } @@ -1462,6 +1519,8 @@ impl Step for Extended { "rust-analyzer-preview".to_string() } else if name == "clippy" { "clippy-preview".to_string() + } else if name == "rust-demangler" { + "rust-demangler-preview".to_string() } else if name == "miri" { "miri-preview".to_string() } else { @@ -1479,6 +1538,9 @@ impl Step for Extended { prepare("rust-docs"); prepare("rust-std"); prepare("clippy"); + if rust_demangler_installer.is_some() { + prepare("rust-demangler"); + } if rls_installer.is_some() { prepare("rls"); } @@ -1620,6 +1682,25 @@ impl Step for Extended { .arg("-t") .arg(etc.join("msi/remove-duplicates.xsl")), ); + if rust_demangler_installer.is_some() { + builder.run( + Command::new(&heat) + .current_dir(&exe) + .arg("dir") + .arg("rust-demangler") + .args(&heat_flags) + .arg("-cg") + .arg("RustDemanglerGroup") + .arg("-dr") + .arg("RustDemangler") + .arg("-var") + .arg("var.RustDemanglerDir") + .arg("-out") + .arg(exe.join("RustDemanglerGroup.wxs")) + .arg("-t") + .arg(etc.join("msi/remove-duplicates.xsl")), + ); + } if miri_installer.is_some() { builder.run( Command::new(&heat) @@ -1693,6 +1774,9 @@ impl Step for Extended { .arg(&input); add_env(builder, &mut cmd, target); + if rust_demangler_installer.is_some() { + cmd.arg("-dRustDemanglerDir=rust-demangler"); + } if rls_installer.is_some() { cmd.arg("-dRlsDir=rls"); } @@ -1715,6 +1799,9 @@ impl Step for Extended { candle("CargoGroup.wxs".as_ref()); candle("StdGroup.wxs".as_ref()); candle("ClippyGroup.wxs".as_ref()); + if rust_demangler_installer.is_some() { + candle("RustDemanglerGroup.wxs".as_ref()); + } if rls_installer.is_some() { candle("RlsGroup.wxs".as_ref()); } @@ -1761,6 +1848,9 @@ impl Step for Extended { if rust_analyzer_installer.is_some() { cmd.arg("RustAnalyzerGroup.wixobj"); } + if rust_demangler_installer.is_some() { + cmd.arg("RustDemanglerGroup.wixobj"); + } if miri_installer.is_some() { cmd.arg("MiriGroup.wixobj"); } diff --git a/src/bootstrap/doc.rs b/src/bootstrap/doc.rs index 1168d54b55e5..dc96fd819d55 100644 --- a/src/bootstrap/doc.rs +++ b/src/bootstrap/doc.rs @@ -461,6 +461,15 @@ impl Step for Std { // create correct links between crates because rustdoc depends on the // existence of the output directories to know if it should be a local // or remote link. + // + // There's also a mild hack here where we build the first crate in this + // list, core, twice. This is currently necessary to make sure that + // cargo's cached rustc/rustdoc versions are up to date which means + // cargo won't delete the out_dir we create for the stampfile. + // Essentially any crate could go into the first slot here as it's + // output directory will be deleted by us (as cargo will purge the stamp + // file during the first slot's run), and core is relatively fast to + // build so works OK to fill this 'dummy' slot. let krates = ["core", "alloc", "std", "proc_macro", "test"]; for krate in &krates { run_cargo_rustdoc_for(krate); @@ -540,6 +549,8 @@ impl Step for Rustc { // Build cargo command. let mut cargo = builder.cargo(compiler, Mode::Rustc, SourceType::InTree, target, "doc"); cargo.rustdocflag("--document-private-items"); + // Since we always pass --document-private-items, there's no need to warn about linking to private items. + cargo.rustdocflag("-Arustdoc::private-intra-doc-links"); cargo.rustdocflag("--enable-index-page"); cargo.rustdocflag("-Zunstable-options"); cargo.rustdocflag("-Znormalize-docs"); diff --git a/src/bootstrap/install.rs b/src/bootstrap/install.rs index b427420d5779..68e7dc800672 100644 --- a/src/bootstrap/install.rs +++ b/src/bootstrap/install.rs @@ -190,6 +190,22 @@ install!((self, builder, _config), ); } }; + RustDemangler, "rust-demangler", Self::should_build(_config), only_hosts: true, { + // Note: Even though `should_build` may return true for `extended` default tools, + // dist::RustDemangler may still return None, unless the target-dependent `profiler` config + // is also true, or the `tools` array explicitly includes "rust-demangler". + if let Some(tarball) = builder.ensure(dist::RustDemangler { + compiler: self.compiler, + target: self.target + }) { + install_sh(builder, "rust-demangler", self.compiler.stage, Some(self.target), &tarball); + } else { + builder.info( + &format!("skipping Install RustDemangler stage{} ({})", + self.compiler.stage, self.target), + ); + } + }; Analysis, "analysis", Self::should_build(_config), only_hosts: false, { let tarball = builder.ensure(dist::Analysis { // Find the actual compiler (handling the full bootstrap option) which diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs index 5d708d3b25c1..24da44b933ab 100644 --- a/src/bootstrap/lib.rs +++ b/src/bootstrap/lib.rs @@ -547,7 +547,7 @@ impl Build { fn std_features(&self, target: TargetSelection) -> String { let mut features = "panic-unwind".to_string(); - match self.config.llvm_libunwind.unwrap_or_default() { + match self.config.llvm_libunwind { LlvmLibunwind::InTree => features.push_str(" llvm-libunwind"), LlvmLibunwind::System => features.push_str(" system-llvm-libunwind"), LlvmLibunwind::No => {} diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs index 305ff071dbba..c06ceb80c6ae 100644 --- a/src/bootstrap/native.rs +++ b/src/bootstrap/native.rs @@ -256,7 +256,7 @@ impl Step for Llvm { enabled_llvm_projects.push("compiler-rt"); } - if let Some(true) = builder.config.llvm_polly { + if builder.config.llvm_polly { enabled_llvm_projects.push("polly"); } @@ -311,7 +311,7 @@ impl Step for Llvm { cfg.define("LLVM_USE_LINKER", linker); } - if let Some(true) = builder.config.llvm_allow_old_toolchain { + if builder.config.llvm_allow_old_toolchain { cfg.define("LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN", "YES"); } diff --git a/src/bootstrap/setup.rs b/src/bootstrap/setup.rs index 725147767dbd..a5829dfa9d87 100644 --- a/src/bootstrap/setup.rs +++ b/src/bootstrap/setup.rs @@ -13,6 +13,7 @@ pub enum Profile { Compiler, Codegen, Library, + Tools, User, } @@ -24,15 +25,16 @@ impl Profile { pub fn all() -> impl Iterator { use Profile::*; // N.B. these are ordered by how they are displayed, not alphabetically - [Library, Compiler, Codegen, User].iter().copied() + [Library, Compiler, Codegen, Tools, User].iter().copied() } pub fn purpose(&self) -> String { use Profile::*; match self { Library => "Contribute to the standard library", - Compiler => "Contribute to the compiler or rustdoc", + Compiler => "Contribute to the compiler itself", Codegen => "Contribute to the compiler, and also modify LLVM or codegen", + Tools => "Contribute to tools which depend on the compiler, but do not modify it directly (e.g. rustdoc, clippy, miri)", User => "Install Rust from source", } .to_string() @@ -53,9 +55,12 @@ impl FromStr for Profile { fn from_str(s: &str) -> Result { match s { "lib" | "library" => Ok(Profile::Library), - "compiler" | "rustdoc" => Ok(Profile::Compiler), + "compiler" => Ok(Profile::Compiler), "llvm" | "codegen" => Ok(Profile::Codegen), "maintainer" | "user" => Ok(Profile::User), + "tools" | "tool" | "rustdoc" | "clippy" | "miri" | "rustfmt" | "rls" => { + Ok(Profile::Tools) + } _ => Err(format!("unknown profile: '{}'", s)), } } @@ -68,6 +73,7 @@ impl fmt::Display for Profile { Profile::Codegen => write!(f, "codegen"), Profile::Library => write!(f, "library"), Profile::User => write!(f, "user"), + Profile::Tools => write!(f, "tools"), } } } @@ -103,6 +109,14 @@ pub fn setup(src_path: &Path, profile: Profile) { let suggestions = match profile { Profile::Codegen | Profile::Compiler => &["check", "build", "test"][..], + Profile::Tools => &[ + "check", + "build", + "test src/test/rustdoc*", + "test src/tools/clippy", + "test src/tools/miri", + "test src/tools/rustfmt", + ], Profile::Library => &["check", "build", "test library/std", "doc"], Profile::User => &["dist", "build"], }; diff --git a/src/bootstrap/tarball.rs b/src/bootstrap/tarball.rs index 7fb03056f1bd..b02d7e062a52 100644 --- a/src/bootstrap/tarball.rs +++ b/src/bootstrap/tarball.rs @@ -15,6 +15,7 @@ pub(crate) enum OverlayKind { Clippy, Miri, Rustfmt, + RustDemangler, RLS, RustAnalyzer, } @@ -47,6 +48,9 @@ impl OverlayKind { "src/tools/rustfmt/LICENSE-APACHE", "src/tools/rustfmt/LICENSE-MIT", ], + OverlayKind::RustDemangler => { + &["src/tools/rust-demangler/README.md", "LICENSE-APACHE", "LICENSE-MIT"] + } OverlayKind::RLS => &[ "src/tools/rls/README.md", "src/tools/rls/LICENSE-APACHE", @@ -64,6 +68,7 @@ impl OverlayKind { match self { OverlayKind::Rust => builder.rust_version(), OverlayKind::LLVM => builder.rust_version(), + OverlayKind::RustDemangler => builder.release_num("rust-demangler"), OverlayKind::Cargo => { builder.cargo_info.version(builder, &builder.release_num("cargo")) } diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs index b3cf30672c82..117201ab3cd8 100644 --- a/src/bootstrap/test.rs +++ b/src/bootstrap/test.rs @@ -108,6 +108,19 @@ impl Step for Linkcheck { /// documentation to ensure we don't have a bunch of dead ones. fn run(self, builder: &Builder<'_>) { let host = self.host; + let hosts = &builder.hosts; + let targets = &builder.targets; + + // if we have different hosts and targets, some things may be built for + // the host (e.g. rustc) and others for the target (e.g. std). The + // documentation built for each will contain broken links to + // docs built for the other platform (e.g. rustc linking to cargo) + if (hosts != targets) && !hosts.is_empty() && !targets.is_empty() { + panic!( + "Linkcheck currently does not support builds with different hosts and targets. +You can skip linkcheck with --exclude src/tools/linkchecker" + ); + } builder.info(&format!("Linkcheck ({})", host)); @@ -122,7 +135,8 @@ impl Step for Linkcheck { fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { let builder = run.builder; - run.path("src/tools/linkchecker").default_condition(builder.config.docs) + let run = run.path("src/tools/linkchecker"); + run.default_condition(builder.config.docs) } fn make_run(run: RunConfig<'_>) { @@ -337,6 +351,57 @@ impl Step for Rustfmt { } } +#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] +pub struct RustDemangler { + stage: u32, + host: TargetSelection, +} + +impl Step for RustDemangler { + type Output = (); + const ONLY_HOSTS: bool = true; + + fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { + run.path("src/tools/rust-demangler") + } + + fn make_run(run: RunConfig<'_>) { + run.builder.ensure(RustDemangler { stage: run.builder.top_stage, host: run.target }); + } + + /// Runs `cargo test` for rust-demangler. + fn run(self, builder: &Builder<'_>) { + let stage = self.stage; + let host = self.host; + let compiler = builder.compiler(stage, host); + + let rust_demangler = builder + .ensure(tool::RustDemangler { compiler, target: self.host, extra_features: Vec::new() }) + .expect("in-tree tool"); + let mut cargo = tool::prepare_tool_cargo( + builder, + compiler, + Mode::ToolRustc, + host, + "test", + "src/tools/rust-demangler", + SourceType::InTree, + &[], + ); + + let dir = testdir(builder, compiler.host); + t!(fs::create_dir_all(&dir)); + + cargo.env("RUST_DEMANGLER_DRIVER_PATH", rust_demangler); + + cargo.arg("--").args(builder.config.cmd.test_args()); + + cargo.add_rustc_lib_path(builder, compiler); + + builder.run(&mut cargo.into()); + } +} + #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] pub struct Miri { stage: u32, @@ -789,6 +854,7 @@ impl Step for Tidy { cmd.arg(&builder.src); cmd.arg(&builder.initial_cargo); cmd.arg(&builder.out); + cmd.arg(builder.jobs().to_string()); if builder.is_verbose() { cmd.arg("--verbose"); } @@ -1112,7 +1178,10 @@ note: if you're sure you want to do this, please open an issue as to why. In the } if mode == "run-make" && suite.ends_with("fulldeps") { - cmd.arg("--rust-demangler-path").arg(builder.tool_exe(Tool::RustDemangler)); + let rust_demangler = builder + .ensure(tool::RustDemangler { compiler, target, extra_features: Vec::new() }) + .expect("in-tree tool"); + cmd.arg("--rust-demangler-path").arg(rust_demangler); } cmd.arg("--src-base").arg(builder.src.join("src/test").join(suite)); diff --git a/src/bootstrap/tool.rs b/src/bootstrap/tool.rs index 3fc3b68fd868..e85f4628fb03 100644 --- a/src/bootstrap/tool.rs +++ b/src/bootstrap/tool.rs @@ -368,7 +368,6 @@ bootstrap_tool!( Compiletest, "src/tools/compiletest", "compiletest", is_unstable_tool = true; BuildManifest, "src/tools/build-manifest", "build-manifest"; RemoteTestClient, "src/tools/remote-test-client", "remote-test-client"; - RustDemangler, "src/tools/rust-demangler", "rust-demangler"; RustInstaller, "src/tools/rust-installer", "fabricate", is_external_tool = true; RustdocTheme, "src/tools/rustdoc-themes", "rustdoc-themes"; ExpandYamlAnchors, "src/tools/expand-yaml-anchors", "expand-yaml-anchors"; @@ -514,12 +513,30 @@ impl Step for Rustdoc { // rustc compiler it's paired with, so it must be built with the previous stage compiler. let build_compiler = builder.compiler(target_compiler.stage - 1, builder.config.build); + // When using `download-rustc` and a stage0 build_compiler, copying rustc doesn't actually + // build stage0 libstd (because the libstd in sysroot has the wrong ABI). Explicitly build + // it. + builder.ensure(compile::Std { compiler: build_compiler, target: target_compiler.host }); + builder.ensure(compile::Rustc { compiler: build_compiler, target: target_compiler.host }); + // NOTE: this implies that `download-rustc` is pretty useless when compiling with the stage0 + // compiler, since you do just as much work. + if !builder.config.dry_run && builder.config.download_rustc && build_compiler.stage == 0 { + println!( + "warning: `download-rustc` does nothing when building stage1 tools; consider using `--stage 2` instead" + ); + } + // The presence of `target_compiler` ensures that the necessary libraries (codegen backends, // compiler libraries, ...) are built. Rustdoc does not require the presence of any // libraries within sysroot_libdir (i.e., rustlib), though doctests may want it (since // they'll be linked to those libraries). As such, don't explicitly `ensure` any additional // libraries here. The intuition here is that If we've built a compiler, we should be able // to build rustdoc. + // + let mut features = Vec::new(); + if builder.config.jemalloc { + features.push("jemalloc".to_string()); + } let cargo = prepare_tool_cargo( builder, @@ -529,7 +546,7 @@ impl Step for Rustdoc { "build", "src/tools/rustdoc", SourceType::InTree, - &[], + features.as_slice(), ); builder.info(&format!( @@ -719,6 +736,7 @@ tool_extended!((self, builder), }); self.extra_features.push("clippy".to_owned()); }; + RustDemangler, rust_demangler, "src/tools/rust-demangler", "rust-demangler", stable=false, in_tree=true, {}; Rustfmt, rustfmt, "src/tools/rustfmt", "rustfmt", stable=true, {}; RustAnalyzer, rust_analyzer, "src/tools/rust-analyzer/crates/rust-analyzer", "rust-analyzer", stable=false, {}; ); diff --git a/src/ci/docker/host-x86_64/disabled/riscv64gc-linux/Dockerfile b/src/ci/docker/host-x86_64/disabled/riscv64gc-linux/Dockerfile index f3f52ed61d13..4377608700b0 100644 --- a/src/ci/docker/host-x86_64/disabled/riscv64gc-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/disabled/riscv64gc-linux/Dockerfile @@ -98,6 +98,6 @@ COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh ENV RUST_CONFIGURE_ARGS --qemu-riscv64-rootfs=/tmp/rootfs -ENV SCRIPT python3 ../x.py --stage 2 test --target riscv64gc-unknown-linux-gnu +ENV SCRIPT python3 ../x.py --stage 2 test --host='' --target riscv64gc-unknown-linux-gnu ENV NO_CHANGE_USER=1 diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-10/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-10/Dockerfile index 0d32a9ec5eb8..c34198708c46 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-10/Dockerfile +++ b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-10/Dockerfile @@ -46,6 +46,7 @@ ENV SCRIPT python2.7 ../x.py --stage 2 test --exclude src/tools/tidy && \ # This is intended to make sure that both `--pass=check` continues to # work. # - python2.7 ../x.py --stage 2 test src/test/ui --pass=check --target=i686-unknown-linux-gnu && \ + python2.7 ../x.py --stage 2 test src/test/ui --pass=check \ + --host='' --target=i686-unknown-linux-gnu && \ # Run tidy at the very end, after all the other tests. python2.7 ../x.py --stage 2 test src/tools/tidy diff --git a/src/doc/book b/src/doc/book index fc2f690fc165..b54090a99ec7 160000 --- a/src/doc/book +++ b/src/doc/book @@ -1 +1 @@ -Subproject commit fc2f690fc16592abbead2360cfc0a42f5df78052 +Subproject commit b54090a99ec7c4b46a5203a9c927fdbc311bb1f5 diff --git a/src/doc/embedded-book b/src/doc/embedded-book index f61685755fad..d3f2ace94d51 160000 --- a/src/doc/embedded-book +++ b/src/doc/embedded-book @@ -1 +1 @@ -Subproject commit f61685755fad7d3b88b4645adfbf461d500563a2 +Subproject commit d3f2ace94d51610cf3e3c265705bb8416d37f8e4 diff --git a/src/doc/reference b/src/doc/reference index d10a0af8dca2..fd97729e2d82 160000 --- a/src/doc/reference +++ b/src/doc/reference @@ -1 +1 @@ -Subproject commit d10a0af8dca25d9d548ca6a369fd66ad06acb3c9 +Subproject commit fd97729e2d82f8b08d68a31c9bfdf0c37a7fd542 diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example index eead22c6c030..29d91f591c90 160000 --- a/src/doc/rust-by-example +++ b/src/doc/rust-by-example @@ -1 +1 @@ -Subproject commit eead22c6c030fa4f3a167d1798658c341199e2ae +Subproject commit 29d91f591c90dd18fdca6d23f1a9caf9c139d0d7 diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide index 67ebd4b55dba..0687daac2893 160000 --- a/src/doc/rustc-dev-guide +++ b/src/doc/rustc-dev-guide @@ -1 +1 @@ -Subproject commit 67ebd4b55dba44edfc351621cef6e5e758169c55 +Subproject commit 0687daac28939c476df51778f5a1d1aff1a3fddf diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index ee17fcac45c3..f352746d3fbe 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -216,6 +216,7 @@ target | std | host | notes `thumbv7a-uwp-windows-msvc` | ✓ | | `thumbv7neon-unknown-linux-musleabihf` | ? | | Thumb2-mode ARMv7a Linux with NEON, MUSL `thumbv4t-none-eabi` | * | | ARMv4T T32 +`wasm64-unknown-unknown` | * | | WebAssembly `x86_64-apple-ios-macabi` | ✓ | | Apple Catalyst on x86_64 `x86_64-apple-tvos` | * | | x86 64-bit tvOS `x86_64-unknown-none-linuxkernel` | * | | Linux kernel modules diff --git a/src/doc/rustdoc/src/unstable-features.md b/src/doc/rustdoc/src/unstable-features.md index 7d1845dc9578..28b81a40265d 100644 --- a/src/doc/rustdoc/src/unstable-features.md +++ b/src/doc/rustdoc/src/unstable-features.md @@ -88,26 +88,28 @@ Book][unstable-doc-cfg] and [its tracking issue][issue-doc-cfg]. [unstable-doc-cfg]: ../unstable-book/language-features/doc-cfg.html [issue-doc-cfg]: https://github.com/rust-lang/rust/issues/43781 -### Adding your trait to the "Important Traits" dialog - -Rustdoc keeps a list of a few traits that are believed to be "fundamental" to a given type when -implemented on it. These traits are intended to be the primary interface for their types, and are -often the only thing available to be documented on their types. For this reason, Rustdoc will track -when a given type implements one of these traits and call special attention to it when a function -returns one of these types. This is the "Important Traits" dialog, visible as a circle-i button next -to the function, which, when clicked, shows the dialog. - -In the standard library, the traits that qualify for inclusion are `Iterator`, `io::Read`, and -`io::Write`. However, rather than being implemented as a hard-coded list, these traits have a -special marker attribute on them: `#[doc(spotlight)]`. This means that you could apply this -attribute to your own trait to include it in the "Important Traits" dialog in documentation. - -The `#[doc(spotlight)]` attribute currently requires the `#![feature(doc_spotlight)]` feature gate. -For more information, see [its chapter in the Unstable Book][unstable-spotlight] and [its tracking -issue][issue-spotlight]. - -[unstable-spotlight]: ../unstable-book/language-features/doc-spotlight.html -[issue-spotlight]: https://github.com/rust-lang/rust/issues/45040 +### Adding your trait to the "Notable traits" dialog + +Rustdoc keeps a list of a few traits that are believed to be "fundamental" to +types that implement them. These traits are intended to be the primary interface +for their implementers, and are often most of the API available to be documented +on their types. For this reason, Rustdoc will track when a given type implements +one of these traits and call special attention to it when a function returns one +of these types. This is the "Notable traits" dialog, accessible as a circled `i` +button next to the function, which, when clicked, shows the dialog. + +In the standard library, some of the traits that are part of this list are +`Iterator`, `Future`, `io::Read`, and `io::Write`. However, rather than being +implemented as a hard-coded list, these traits have a special marker attribute +on them: `#[doc(notable_trait)]`. This means that you can apply this attribute +to your own trait to include it in the "Notable traits" dialog in documentation. + +The `#[doc(notable_trait)]` attribute currently requires the `#![feature(doc_notable_trait)]` +feature gate. For more information, see [its chapter in the Unstable Book][unstable-notable_trait] +and [its tracking issue][issue-notable_trait]. + +[unstable-notable_trait]: ../unstable-book/language-features/doc-notable-trait.html +[issue-notable_trait]: https://github.com/rust-lang/rust/issues/45040 ### Exclude certain dependencies from documentation diff --git a/src/doc/unstable-book/src/language-features/doc-notable-trait.md b/src/doc/unstable-book/src/language-features/doc-notable-trait.md new file mode 100644 index 000000000000..dc402ed4253a --- /dev/null +++ b/src/doc/unstable-book/src/language-features/doc-notable-trait.md @@ -0,0 +1,33 @@ +# `doc_notable_trait` + +The tracking issue for this feature is: [#45040] + +The `doc_notable_trait` feature allows the use of the `#[doc(notable_trait)]` +attribute, which will display the trait in a "Notable traits" dialog for +functions returning types that implement the trait. For example, this attribute +is applied to the `Iterator`, `Future`, `io::Read`, and `io::Write` traits in +the standard library. + +You can do this on your own traits like so: + +``` +#![feature(doc_notable_trait)] + +#[doc(notable_trait)] +pub trait MyTrait {} + +pub struct MyStruct; +impl MyTrait for MyStruct {} + +/// The docs for this function will have a button that displays a dialog about +/// `MyStruct` implementing `MyTrait`. +pub fn my_fn() -> MyStruct { MyStruct } +``` + +This feature was originally implemented in PR [#45039]. + +See also its documentation in [the rustdoc book][rustdoc-book-notable_trait]. + +[#45040]: https://github.com/rust-lang/rust/issues/45040 +[#45039]: https://github.com/rust-lang/rust/pull/45039 +[rustdoc-book-notable_trait]: ../../rustdoc/unstable-features.html#adding-your-trait-to-the-notable-traits-dialog diff --git a/src/doc/unstable-book/src/language-features/doc-spotlight.md b/src/doc/unstable-book/src/language-features/doc-spotlight.md deleted file mode 100644 index 75eff1633189..000000000000 --- a/src/doc/unstable-book/src/language-features/doc-spotlight.md +++ /dev/null @@ -1,30 +0,0 @@ -# `doc_spotlight` - -The tracking issue for this feature is: [#45040] - -The `doc_spotlight` feature allows the use of the `spotlight` parameter to the `#[doc]` attribute, -to "spotlight" a specific trait on the return values of functions. Adding a `#[doc(spotlight)]` -attribute to a trait definition will make rustdoc print extra information for functions which return -a type that implements that trait. For example, this attribute is applied to the `Iterator`, -`io::Read`, `io::Write`, and `Future` traits in the standard library. - -You can do this on your own traits, like this: - -``` -#![feature(doc_spotlight)] - -#[doc(spotlight)] -pub trait MyTrait {} - -pub struct MyStruct; -impl MyTrait for MyStruct {} - -/// The docs for this function will have an extra line about `MyStruct` implementing `MyTrait`, -/// without having to write that yourself! -pub fn my_fn() -> MyStruct { MyStruct } -``` - -This feature was originally implemented in PR [#45039]. - -[#45040]: https://github.com/rust-lang/rust/issues/45040 -[#45039]: https://github.com/rust-lang/rust/pull/45039 diff --git a/src/doc/unstable-book/src/language-features/link-args.md b/src/doc/unstable-book/src/language-features/link-args.md deleted file mode 100644 index da36e1580012..000000000000 --- a/src/doc/unstable-book/src/language-features/link-args.md +++ /dev/null @@ -1,32 +0,0 @@ -# `link_args` - -The tracking issue for this feature is: [#29596] - -[#29596]: https://github.com/rust-lang/rust/issues/29596 - ------------------------- - -You can tell `rustc` how to customize linking, and that is via the `link_args` -attribute. This attribute is applied to `extern` blocks and specifies raw flags -which need to get passed to the linker when producing an artifact. An example -usage would be: - -```rust,no_run -#![feature(link_args)] - -#[link_args = "-foo -bar -baz"] -extern "C" {} -# fn main() {} -``` - -Note that this feature is currently hidden behind the `feature(link_args)` gate -because this is not a sanctioned way of performing linking. Right now `rustc` -shells out to the system linker (`gcc` on most systems, `link.exe` on MSVC), so -it makes sense to provide extra command line arguments, but this will not -always be the case. In the future `rustc` may use LLVM directly to link native -libraries, in which case `link_args` will have no meaning. You can achieve the -same effect as the `link_args` attribute with the `-C link-args` argument to -`rustc`. - -It is highly recommended to *not* use this attribute, and rather use the more -formal `#[link(...)]` attribute on `extern` blocks instead. diff --git a/src/doc/unstable-book/src/library-features/asm.md b/src/doc/unstable-book/src/library-features/asm.md index c0e23b834d15..946c354fd9d9 100644 --- a/src/doc/unstable-book/src/library-features/asm.md +++ b/src/doc/unstable-book/src/library-features/asm.md @@ -306,13 +306,19 @@ fn call_foo(arg: i32) { sym foo, // 1st argument in rdi, which is caller-saved inout("rdi") arg => _, - // All caller-saved registers must be marked as clobberred + // All caller-saved registers must be marked as clobbered out("rax") _, out("rcx") _, out("rdx") _, out("rsi") _, out("r8") _, out("r9") _, out("r10") _, out("r11") _, out("xmm0") _, out("xmm1") _, out("xmm2") _, out("xmm3") _, out("xmm4") _, out("xmm5") _, out("xmm6") _, out("xmm7") _, out("xmm8") _, out("xmm9") _, out("xmm10") _, out("xmm11") _, out("xmm12") _, out("xmm13") _, out("xmm14") _, out("xmm15") _, + // Also mark AVX-512 registers as clobbered. This is accepted by the + // compiler even if AVX-512 is not enabled on the current target. + out("xmm16") _, out("xmm17") _, out("xmm18") _, out("xmm19") _, + out("xmm20") _, out("xmm21") _, out("xmm22") _, out("xmm13") _, + out("xmm24") _, out("xmm25") _, out("xmm26") _, out("xmm27") _, + out("xmm28") _, out("xmm29") _, out("xmm30") _, out("xmm31") _, ) } } @@ -495,7 +501,7 @@ Here is the list of currently supported register classes: | x86 | `reg` | `ax`, `bx`, `cx`, `dx`, `si`, `di`, `r[8-15]` (x86-64 only) | `r` | | x86 | `reg_abcd` | `ax`, `bx`, `cx`, `dx` | `Q` | | x86-32 | `reg_byte` | `al`, `bl`, `cl`, `dl`, `ah`, `bh`, `ch`, `dh` | `q` | -| x86-64 | `reg_byte` | `al`, `bl`, `cl`, `dl`, `sil`, `dil`, `r[8-15]b`, `ah`\*, `bh`\*, `ch`\*, `dh`\* | `q` | +| x86-64 | `reg_byte`\* | `al`, `bl`, `cl`, `dl`, `sil`, `dil`, `r[8-15]b` | `q` | | x86 | `xmm_reg` | `xmm[0-7]` (x86) `xmm[0-15]` (x86-64) | `x` | | x86 | `ymm_reg` | `ymm[0-7]` (x86) `ymm[0-15]` (x86-64) | `x` | | x86 | `zmm_reg` | `zmm[0-7]` (x86) `zmm[0-31]` (x86-64) | `v` | @@ -526,7 +532,7 @@ Here is the list of currently supported register classes: > **Note**: On x86 we treat `reg_byte` differently from `reg` because the compiler can allocate `al` and `ah` separately whereas `reg` reserves the whole register. > -> Note #2: On x86-64 the high byte registers (e.g. `ah`) are only available when used as an explicit register. Specifying the `reg_byte` register class for an operand will always allocate a low byte register. +> Note #2: On x86-64 the high byte registers (e.g. `ah`) are not available in the `reg_byte` register class. > > Note #3: NVPTX doesn't have a fixed register set, so named registers are not supported. > diff --git a/src/etc/lldb_providers.py b/src/etc/lldb_providers.py index 702f2e82e4e2..86dcc335e3cb 100644 --- a/src/etc/lldb_providers.py +++ b/src/etc/lldb_providers.py @@ -527,20 +527,22 @@ def get_child_at_index(self, index): def update(self): # type: () -> None table = self.table() - capacity = table.GetChildMemberWithName("bucket_mask").GetValueAsUnsigned() + 1 - ctrl = table.GetChildMemberWithName("ctrl").GetChildAtIndex(0) + inner_table = table.GetChildMemberWithName("table") - self.size = table.GetChildMemberWithName("items").GetValueAsUnsigned() + capacity = inner_table.GetChildMemberWithName("bucket_mask").GetValueAsUnsigned() + 1 + ctrl = inner_table.GetChildMemberWithName("ctrl").GetChildAtIndex(0) + + self.size = inner_table.GetChildMemberWithName("items").GetValueAsUnsigned() self.pair_type = table.type.template_args[0] if self.pair_type.IsTypedefType(): self.pair_type = self.pair_type.GetTypedefedType() self.pair_type_size = self.pair_type.GetByteSize() - self.new_layout = not table.GetChildMemberWithName("data").IsValid() + self.new_layout = not inner_table.GetChildMemberWithName("data").IsValid() if self.new_layout: self.data_ptr = ctrl.Cast(self.pair_type.GetPointerType()) else: - self.data_ptr = table.GetChildMemberWithName("data").GetChildAtIndex(0) + self.data_ptr = inner_table.GetChildMemberWithName("data").GetChildAtIndex(0) u8_type = self.valobj.GetTarget().GetBasicType(eBasicTypeUnsignedChar) u8_type_size = self.valobj.GetTarget().GetBasicType(eBasicTypeUnsignedChar).GetByteSize() @@ -563,7 +565,7 @@ def table(self): # HashSet wraps either std HashMap or hashbrown::HashSet, which both # wrap hashbrown::HashMap, so either way we "unwrap" twice. hashbrown_hashmap = self.valobj.GetChildAtIndex(0).GetChildAtIndex(0) - return hashbrown_hashmap.GetChildMemberWithName("table").GetChildMemberWithName("table") + return hashbrown_hashmap.GetChildMemberWithName("table") def has_children(self): # type: () -> bool diff --git a/src/librustdoc/Cargo.toml b/src/librustdoc/Cargo.toml index eb38adb0b73a..d778a5074252 100644 --- a/src/librustdoc/Cargo.toml +++ b/src/librustdoc/Cargo.toml @@ -30,5 +30,8 @@ features = ["fmt", "env-filter", "smallvec", "parking_lot", "ansi"] [dev-dependencies] expect-test = "1.0" +[features] +jemalloc = [] + [package.metadata.rust-analyzer] rustc_private = true diff --git a/src/librustdoc/clean/blanket_impl.rs b/src/librustdoc/clean/blanket_impl.rs index 6e7164457ceb..f7e08d104018 100644 --- a/src/librustdoc/clean/blanket_impl.rs +++ b/src/librustdoc/clean/blanket_impl.rs @@ -26,18 +26,16 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { { continue; } - self.cx.tcx.for_each_relevant_impl(trait_def_id, ty, |impl_def_id| { + // NOTE: doesn't use `for_each_relevant_impl` to avoid looking at anything besides blanket impls + let trait_impls = self.cx.tcx.trait_impls_of(trait_def_id); + for &impl_def_id in trait_impls.blanket_impls() { debug!( "get_blanket_impls: Considering impl for trait '{:?}' {:?}", trait_def_id, impl_def_id ); let trait_ref = self.cx.tcx.impl_trait_ref(impl_def_id).unwrap(); - let may_apply = self.cx.tcx.infer_ctxt().enter(|infcx| { - match trait_ref.self_ty().kind() { - ty::Param(_) => {} - _ => return false, - } - + let is_param = matches!(trait_ref.self_ty().kind(), ty::Param(_)); + let may_apply = is_param && self.cx.tcx.infer_ctxt().enter(|infcx| { let substs = infcx.fresh_substs_for_item(DUMMY_SP, item_def_id); let ty = ty.subst(infcx.tcx, substs); let param_env = param_env.subst(infcx.tcx, substs); @@ -90,7 +88,7 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { may_apply, trait_ref, ty ); if !may_apply { - return; + continue; } self.cx.generated_synthetics.insert((ty, trait_def_id)); @@ -131,7 +129,7 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { blanket_impl: Some(trait_ref.self_ty().clean(self.cx)), }), }); - }); + } } impls } diff --git a/src/librustdoc/clean/cfg.rs b/src/librustdoc/clean/cfg.rs index 02adccef594e..592aefb6a4b0 100644 --- a/src/librustdoc/clean/cfg.rs +++ b/src/librustdoc/clean/cfg.rs @@ -498,7 +498,7 @@ impl<'a> fmt::Display for Display<'a> { "powerpc64" => "PowerPC-64", "s390x" => "s390x", "sparc64" => "SPARC64", - "wasm32" => "WebAssembly", + "wasm32" | "wasm64" => "WebAssembly", "x86" => "x86", "x86_64" => "x86-64", _ => "", diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs index a4c1ee7a0f06..277ec91f15ed 100644 --- a/src/librustdoc/clean/inline.rs +++ b/src/librustdoc/clean/inline.rs @@ -624,7 +624,7 @@ crate fn record_extern_trait(cx: &mut DocContext<'_>, did: DefId) { let trait_ = clean::TraitWithExtraInfo { trait_, - is_spotlight: clean::utils::has_doc_flag(cx.tcx.get_attrs(did), sym::spotlight), + is_notable: clean::utils::has_doc_flag(cx.tcx.get_attrs(did), sym::notable_trait), }; cx.external_traits.borrow_mut().insert(did, trait_); cx.active_extern_traits.remove(&did); diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 80054469f9d6..217e899001ef 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -129,7 +129,6 @@ impl Clean for CrateNum { tcx.hir() .krate() .item - .module .item_ids .iter() .filter_map(|&id| { @@ -174,7 +173,6 @@ impl Clean for CrateNum { tcx.hir() .krate() .item - .module .item_ids .iter() .filter_map(|&id| { @@ -354,7 +352,7 @@ impl Clean for hir::Lifetime { match def { Some( rl::Region::EarlyBound(_, node_id, _) - | rl::Region::LateBound(_, node_id, _) + | rl::Region::LateBound(_, _, node_id, _) | rl::Region::Free(_, node_id), ) => { if let Some(lt) = cx.lt_substs.get(&node_id).cloned() { @@ -413,7 +411,7 @@ impl Clean> for ty::RegionKind { fn clean(&self, _cx: &mut DocContext<'_>) -> Option { match *self { ty::ReStatic => Some(Lifetime::statik()), - ty::ReLateBound(_, ty::BoundRegion { kind: ty::BrNamed(_, name) }) => { + ty::ReLateBound(_, ty::BoundRegion { kind: ty::BrNamed(_, name), .. }) => { Some(Lifetime(name)) } ty::ReEarlyBound(ref data) => Some(Lifetime(data.name)), diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 4132e187c72a..f3c9b987eb02 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -9,12 +9,13 @@ use std::sync::Arc; use std::{slice, vec}; use arrayvec::ArrayVec; + use rustc_ast::attr; use rustc_ast::util::comments::beautify_doc_string; use rustc_ast::{self as ast, AttrStyle}; use rustc_attr::{ConstStability, Deprecation, Stability, StabilityLevel}; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; -use rustc_feature::UnstableFeatures; +use rustc_data_structures::thin_vec::ThinVec; use rustc_hir as hir; use rustc_hir::def::{CtorKind, Res}; use rustc_hir::def_id::{CrateNum, DefId, DefIndex}; @@ -54,7 +55,7 @@ crate struct Crate { crate src: FileName, crate module: Item, crate externs: Vec<(CrateNum, ExternalCrate)>, - crate primitives: Vec<(DefId, PrimitiveType)>, + crate primitives: ThinVec<(DefId, PrimitiveType)>, // These are later on moved into `CACHEKEY`, leaving the map empty. // Only here so that they can be filtered through the rustdoc passes. crate external_traits: Rc>>, @@ -65,7 +66,7 @@ crate struct Crate { #[derive(Clone, Debug)] crate struct TraitWithExtraInfo { crate trait_: Trait, - crate is_spotlight: bool, + crate is_notable: bool, } #[derive(Clone, Debug)] @@ -73,8 +74,8 @@ crate struct ExternalCrate { crate name: Symbol, crate src: FileName, crate attrs: Attributes, - crate primitives: Vec<(DefId, PrimitiveType)>, - crate keywords: Vec<(DefId, Symbol)>, + crate primitives: ThinVec<(DefId, PrimitiveType)>, + crate keywords: ThinVec<(DefId, Symbol)>, } /// Anything with a source location and set of attributes and, optionally, a @@ -193,7 +194,64 @@ impl Item { } crate fn links(&self, cache: &Cache) -> Vec { - self.attrs.links(self.def_id.krate, cache) + use crate::html::format::href; + use crate::html::render::CURRENT_DEPTH; + + cache + .intra_doc_links + .get(&self.def_id) + .map_or(&[][..], |v| v.as_slice()) + .iter() + .filter_map(|ItemLink { link: s, link_text, did, fragment }| { + match *did { + Some(did) => { + if let Some((mut href, ..)) = href(did, cache) { + if let Some(ref fragment) = *fragment { + href.push('#'); + href.push_str(fragment); + } + Some(RenderedLink { + original_text: s.clone(), + new_text: link_text.clone(), + href, + }) + } else { + None + } + } + None => { + if let Some(ref fragment) = *fragment { + let url = match cache.extern_locations.get(&self.def_id.krate) { + Some(&(_, _, ExternalLocation::Local)) => { + let depth = CURRENT_DEPTH.with(|l| l.get()); + "../".repeat(depth) + } + Some(&(_, _, ExternalLocation::Remote(ref s))) => s.to_string(), + Some(&(_, _, ExternalLocation::Unknown)) | None => format!( + "https://doc.rust-lang.org/{}", + crate::doc_rust_lang_org_channel(), + ), + }; + // This is a primitive so the url is done "by hand". + let tail = fragment.find('#').unwrap_or_else(|| fragment.len()); + Some(RenderedLink { + original_text: s.clone(), + new_text: link_text.clone(), + href: format!( + "{}{}std/primitive.{}.html{}", + url, + if !url.ends_with('/') { "/" } else { "" }, + &fragment[..tail], + &fragment[tail..] + ), + }) + } else { + panic!("This isn't a primitive?!"); + } + } + } + }) + .collect() } crate fn is_crate(&self) -> bool { @@ -570,15 +628,13 @@ crate struct Attributes { crate other_attrs: Vec, crate cfg: Option>, crate span: Option, - /// map from Rust paths to resolved defs and potential URL fragments - crate links: Vec, crate inner_docs: bool, } #[derive(Clone, Debug, Default, PartialEq, Eq, Hash)] /// A link that has not yet been rendered. /// -/// This link will be turned into a rendered link by [`Attributes::links`] +/// This link will be turned into a rendered link by [`Item::links`]. crate struct ItemLink { /// The original link written in the markdown pub(crate) link: String, @@ -804,7 +860,6 @@ impl Attributes { other_attrs, cfg: if cfg == Cfg::True { None } else { Some(Arc::new(cfg)) }, span: sp, - links: vec![], inner_docs, } } @@ -848,73 +903,7 @@ impl Attributes { if self.doc_strings.is_empty() { None } else { Some(self.doc_strings.iter().collect()) } } - /// Gets links as a vector - /// - /// Cache must be populated before call - crate fn links(&self, krate: CrateNum, cache: &Cache) -> Vec { - use crate::html::format::href; - use crate::html::render::CURRENT_DEPTH; - - self.links - .iter() - .filter_map(|ItemLink { link: s, link_text, did, fragment }| { - match *did { - Some(did) => { - if let Some((mut href, ..)) = href(did, cache) { - if let Some(ref fragment) = *fragment { - href.push('#'); - href.push_str(fragment); - } - Some(RenderedLink { - original_text: s.clone(), - new_text: link_text.clone(), - href, - }) - } else { - None - } - } - None => { - if let Some(ref fragment) = *fragment { - let url = match cache.extern_locations.get(&krate) { - Some(&(_, _, ExternalLocation::Local)) => { - let depth = CURRENT_DEPTH.with(|l| l.get()); - "../".repeat(depth) - } - Some(&(_, _, ExternalLocation::Remote(ref s))) => s.to_string(), - Some(&(_, _, ExternalLocation::Unknown)) | None => String::from( - // NOTE: intentionally doesn't pass crate name to avoid having - // different primitive links between crates - if UnstableFeatures::from_environment(None).is_nightly_build() { - "https://doc.rust-lang.org/nightly" - } else { - "https://doc.rust-lang.org" - }, - ), - }; - // This is a primitive so the url is done "by hand". - let tail = fragment.find('#').unwrap_or_else(|| fragment.len()); - Some(RenderedLink { - original_text: s.clone(), - new_text: link_text.clone(), - href: format!( - "{}{}std/primitive.{}.html{}", - url, - if !url.ends_with('/') { "/" } else { "" }, - &fragment[..tail], - &fragment[tail..] - ), - }) - } else { - panic!("This isn't a primitive?!"); - } - } - } - }) - .collect() - } - - crate fn get_doc_aliases(&self) -> FxHashSet { + crate fn get_doc_aliases(&self) -> Box<[String]> { let mut aliases = FxHashSet::default(); for attr in self.other_attrs.lists(sym::doc).filter(|a| a.has_name(sym::alias)) { @@ -931,7 +920,7 @@ impl Attributes { aliases.insert(attr.value_str().map(|s| s.to_string()).unwrap()); } } - aliases + aliases.into_iter().collect::>().into() } } @@ -940,7 +929,6 @@ impl PartialEq for Attributes { self.doc_strings == rhs.doc_strings && self.cfg == rhs.cfg && self.span == rhs.span - && self.links == rhs.links && self .other_attrs .iter() @@ -956,7 +944,6 @@ impl Hash for Attributes { self.doc_strings.hash(hasher); self.cfg.hash(hasher); self.span.hash(hasher); - self.links.hash(hasher); for attr in &self.other_attrs { attr.id.hash(hasher); } diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index 32bac53e8f51..1e79bd091288 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -97,7 +97,7 @@ fn external_generic_args( .iter() .filter_map(|kind| match kind.unpack() { GenericArgKind::Lifetime(lt) => match lt { - ty::ReLateBound(_, ty::BoundRegion { kind: ty::BrAnon(_) }) => { + ty::ReLateBound(_, ty::BoundRegion { kind: ty::BrAnon(_), .. }) => { Some(GenericArg::Lifetime(Lifetime::elided())) } _ => lt.clean(cx).map(GenericArg::Lifetime), @@ -251,19 +251,9 @@ crate fn name_from_pat(p: &hir::Pat<'_>) -> Symbol { debug!("trying to get a name from pattern: {:?}", p); Symbol::intern(&match p.kind { - PatKind::Wild => return kw::Underscore, + PatKind::Wild | PatKind::Struct(..) => return kw::Underscore, PatKind::Binding(_, _, ident, _) => return ident.name, PatKind::TupleStruct(ref p, ..) | PatKind::Path(ref p) => qpath_to_string(p), - PatKind::Struct(ref name, ref fields, etc) => format!( - "{} {{ {}{} }}", - qpath_to_string(name), - fields - .iter() - .map(|fp| format!("{}: {}", fp.ident, name_from_pat(&fp.pat))) - .collect::>() - .join(", "), - if etc { ", .." } else { "" } - ), PatKind::Or(ref pats) => pats .iter() .map(|p| name_from_pat(&**p).to_string()) @@ -531,3 +521,14 @@ crate fn has_doc_flag(attrs: ty::Attributes<'_>, flag: Symbol) -> bool { && attr.meta_item_list().map_or(false, |l| rustc_attr::list_contains_name(&l, flag)) }) } + +/// Return a channel suitable for using in a `doc.rust-lang.org/{channel}` format string. +crate fn doc_rust_lang_org_channel() -> &'static str { + match env!("CFG_RELEASE_CHANNEL") { + "stable" => env!("CFG_RELEASE_NUM"), + "beta" => "beta", + "nightly" | "dev" => "nightly", + // custom build of rustdoc maybe? link to the stable docs just in case + _ => "", + } +} diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index ecb6378f31fb..8f10ab2d3aca 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -3,6 +3,7 @@ use std::convert::TryFrom; use std::ffi::OsStr; use std::fmt; use std::path::PathBuf; +use std::str::FromStr; use rustc_data_structures::fx::FxHashMap; use rustc_session::config::{self, parse_crate_types_from_list, parse_externs, CrateType}; @@ -96,8 +97,7 @@ crate struct Options { crate maybe_sysroot: Option, /// Lint information passed over the command-line. crate lint_opts: Vec<(String, Level)>, - /// Whether to ask rustc to describe the lints it knows. Practically speaking, this will not be - /// used, since we abort if we have no input file, but it's included for completeness. + /// Whether to ask rustc to describe the lints it knows. crate describe_lints: bool, /// What level to cap lints at. crate lint_cap: Option, @@ -153,6 +153,8 @@ crate struct Options { /// If this option is set to `true`, rustdoc will only run checks and not generate /// documentation. crate run_check: bool, + /// Whether doctests should emit unused externs + crate json_unused_externs: bool, } impl fmt::Debug for Options { @@ -266,6 +268,34 @@ crate struct RenderOptions { /// If `true`, generate a JSON file in the crate folder instead of HTML redirection files. crate generate_redirect_map: bool, crate unstable_features: rustc_feature::UnstableFeatures, + crate emit: Vec, +} + +#[derive(Copy, Clone, Debug, PartialEq, Eq)] +crate enum EmitType { + Unversioned, + Toolchain, + InvocationSpecific, +} + +impl FromStr for EmitType { + type Err = (); + + fn from_str(s: &str) -> Result { + use EmitType::*; + match s { + "unversioned-shared-resources" => Ok(Unversioned), + "toolchain-shared-resources" => Ok(Toolchain), + "invocation-specific" => Ok(InvocationSpecific), + _ => Err(()), + } + } +} + +impl RenderOptions { + crate fn should_emit_crate(&self) -> bool { + self.emit.is_empty() || self.emit.contains(&EmitType::InvocationSpecific) + } } impl Options { @@ -323,7 +353,8 @@ impl Options { } let color = config::parse_color(&matches); - let (json_rendered, _artifacts) = config::parse_json(&matches); + let config::JsonConfig { json_rendered, json_unused_externs, .. } = + config::parse_json(&matches); let error_format = config::parse_error_format(&matches, color, json_rendered); let codegen_options = build_codegen_options(matches, error_format); @@ -334,6 +365,30 @@ impl Options { // check for deprecated options check_deprecated_options(&matches, &diag); + let mut emit = Vec::new(); + for list in matches.opt_strs("emit") { + for kind in list.split(',') { + match kind.parse() { + Ok(kind) => emit.push(kind), + Err(()) => { + diag.err(&format!("unrecognized emission type: {}", kind)); + return Err(1); + } + } + } + } + + // check for `--output-format=json` + if !matches!(matches.opt_str("output-format").as_deref(), None | Some("html")) + && !matches.opt_present("show-coverage") + && !nightly_options::is_unstable_enabled(matches) + { + rustc_session::early_error( + error_format, + "the -Z unstable-options flag must be passed to enable --output-format for documentation generation (see https://github.com/rust-lang/rust/issues/76578)", + ); + } + let to_check = matches.opt_strs("check-theme"); if !to_check.is_empty() { let paths = theme::load_css_paths(static_files::themes::LIGHT.as_bytes()); @@ -439,7 +494,9 @@ impl Options { return Err(1); } if theme_file.extension() != Some(OsStr::new("css")) { - diag.struct_err(&format!("invalid argument: \"{}\"", theme_s)).emit(); + diag.struct_err(&format!("invalid argument: \"{}\"", theme_s)) + .help("arguments to --theme must have a .css extension") + .emit(); return Err(1); } let (success, ret) = theme::test_theme_against(&theme_file, &paths, &diag); @@ -465,7 +522,6 @@ impl Options { let edition = config::parse_crate_edition(&matches); let mut id_map = html::markdown::IdMap::new(); - id_map.populate(&html::render::INITIAL_IDS); let external_html = match ExternalHtml::load( &matches.opt_strs("html-in-header"), &matches.opt_strs("html-before-content"), @@ -529,13 +585,7 @@ impl Options { let output_format = match matches.opt_str("output-format") { Some(s) => match OutputFormat::try_from(s.as_str()) { Ok(out_fmt) => { - if out_fmt.is_json() - && !(show_coverage || nightly_options::match_is_nightly_build(matches)) - { - diag.struct_err("json output format isn't supported for doc generation") - .emit(); - return Err(1); - } else if !out_fmt.is_json() && show_coverage { + if !out_fmt.is_json() && show_coverage { diag.struct_err( "html output format isn't supported for the --show-coverage option", ) @@ -641,9 +691,11 @@ impl Options { unstable_features: rustc_feature::UnstableFeatures::from_environment( crate_name.as_deref(), ), + emit, }, crate_name, output_format, + json_unused_externs, }) } @@ -655,16 +707,10 @@ impl Options { /// Prints deprecation warnings for deprecated options fn check_deprecated_options(matches: &getopts::Matches, diag: &rustc_errors::Handler) { - let deprecated_flags = ["input-format", "output-format", "no-defaults", "passes"]; + let deprecated_flags = ["input-format", "no-defaults", "passes"]; for flag in deprecated_flags.iter() { if matches.opt_present(flag) { - if *flag == "output-format" - && (matches.opt_present("show-coverage") - || nightly_options::match_is_nightly_build(matches)) - { - continue; - } let mut err = diag.struct_warn(&format!("the `{}` flag is deprecated", flag)); err.note( "see issue #44136 \ diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index 5a022b2d40c5..c9fdaa50534d 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -1,3 +1,4 @@ +use rustc_ast as ast; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::sync::{self, Lrc}; use rustc_driver::abort_on_err; @@ -22,7 +23,7 @@ use rustc_session::DiagnosticOutput; use rustc_session::Session; use rustc_span::source_map; use rustc_span::symbol::sym; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::Span; use std::cell::RefCell; use std::collections::hash_map::Entry; @@ -348,42 +349,65 @@ crate fn create_config( } crate fn create_resolver<'a>( - externs: config::Externs, queries: &Queries<'a>, sess: &Session, ) -> Rc> { - let extern_names: Vec = externs - .iter() - .filter(|(_, entry)| entry.add_prelude) - .map(|(name, _)| name) - .cloned() - .collect(); - let parts = abort_on_err(queries.expansion(), sess).peek(); - let resolver = parts.1.borrow(); - - // Before we actually clone it, let's force all the extern'd crates to - // actually be loaded, just in case they're only referred to inside - // intra-doc links - resolver.borrow_mut().access(|resolver| { - sess.time("load_extern_crates", || { - for extern_name in &extern_names { - debug!("loading extern crate {}", extern_name); - if let Err(()) = resolver - .resolve_str_path_error( - DUMMY_SP, - extern_name, - TypeNS, - LocalDefId { local_def_index: CRATE_DEF_INDEX }.to_def_id(), - ) { - warn!("unable to resolve external crate {} (do you have an unused `--extern` crate?)", extern_name) - } + let (krate, resolver, _) = &*parts; + let resolver = resolver.borrow().clone(); + + // Letting the resolver escape at the end of the function leads to inconsistencies between the + // crates the TyCtxt sees and the resolver sees (because the resolver could load more crates + // after escaping). Hopefully `IntraLinkCrateLoader` gets all the crates we need ... + struct IntraLinkCrateLoader { + current_mod: DefId, + resolver: Rc>, + } + impl ast::visit::Visitor<'_> for IntraLinkCrateLoader { + fn visit_attribute(&mut self, attr: &ast::Attribute) { + use crate::html::markdown::{markdown_links, MarkdownLink}; + use crate::passes::collect_intra_doc_links::Disambiguator; + + if let Some(doc) = attr.doc_str() { + for MarkdownLink { link, .. } in markdown_links(&doc.as_str()) { + // FIXME: this misses a *lot* of the preprocessing done in collect_intra_doc_links + // I think most of it shouldn't be necessary since we only need the crate prefix? + let path_str = match Disambiguator::from_str(&link) { + Ok(x) => x.map_or(link.as_str(), |(_, p)| p), + Err(_) => continue, + }; + self.resolver.borrow_mut().access(|resolver| { + let _ = resolver.resolve_str_path_error( + attr.span, + path_str, + TypeNS, + self.current_mod, + ); + }); + } } - }); - }); + ast::visit::walk_attribute(self, attr); + } + + fn visit_item(&mut self, item: &ast::Item) { + use rustc_ast_lowering::ResolverAstLowering; - // Now we're good to clone the resolver because everything should be loaded - resolver.clone() + if let ast::ItemKind::Mod(..) = item.kind { + let new_mod = + self.resolver.borrow_mut().access(|resolver| resolver.local_def_id(item.id)); + let old_mod = mem::replace(&mut self.current_mod, new_mod.to_def_id()); + ast::visit::walk_item(self, item); + self.current_mod = old_mod; + } else { + ast::visit::walk_item(self, item); + } + } + } + let crate_id = LocalDefId { local_def_index: CRATE_DEF_INDEX }.to_def_id(); + let mut loader = IntraLinkCrateLoader { current_mod: crate_id, resolver }; + ast::visit::walk_crate(&mut loader, krate); + + loader.resolver } crate fn run_global_ctxt( @@ -464,10 +488,9 @@ crate fn run_global_ctxt( if let Some(sized_trait_did) = ctxt.tcx.lang_items().sized_trait() { let mut sized_trait = build_external_trait(&mut ctxt, sized_trait_did); sized_trait.is_auto = true; - ctxt.external_traits.borrow_mut().insert( - sized_trait_did, - TraitWithExtraInfo { trait_: sized_trait, is_spotlight: false }, - ); + ctxt.external_traits + .borrow_mut() + .insert(sized_trait_did, TraitWithExtraInfo { trait_: sized_trait, is_notable: false }); } debug!("crate: {:?}", tcx.hir().krate()); @@ -475,15 +498,18 @@ crate fn run_global_ctxt( let mut krate = tcx.sess.time("clean_crate", || clean::krate(&mut ctxt)); if krate.module.doc_value().map(|d| d.is_empty()).unwrap_or(true) { - let help = "The following guide may be of use:\n\ - https://doc.rust-lang.org/nightly/rustdoc/how-to-write-documentation.html"; + let help = format!( + "The following guide may be of use:\n\ + https://doc.rust-lang.org/{}/rustdoc/how-to-write-documentation.html", + crate::doc_rust_lang_org_channel(), + ); tcx.struct_lint_node( crate::lint::MISSING_CRATE_LEVEL_DOCS, DocContext::as_local_hir_id(tcx, krate.module.def_id).unwrap(), |lint| { let mut diag = lint.build("no documentation found for this crate's top-level module"); - diag.help(help); + diag.help(&help); diag.emit(); }, ); diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index d9e97e02a14e..6f6ed0eb6841 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -1,5 +1,5 @@ use rustc_ast as ast; -use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::sync::Lrc; use rustc_errors::{ColorConfig, ErrorReported}; use rustc_hir as hir; @@ -23,6 +23,8 @@ use std::panic; use std::path::PathBuf; use std::process::{self, Command, Stdio}; use std::str; +use std::sync::atomic::{AtomicUsize, Ordering}; +use std::sync::{Arc, Mutex}; use crate::clean::Attributes; use crate::config::Options; @@ -104,8 +106,10 @@ crate fn run(options: Options) -> Result<(), ErrorReported> { let mut test_args = options.test_args.clone(); let display_warnings = options.display_warnings; + let externs = options.externs.clone(); + let json_unused_externs = options.json_unused_externs; - let tests = interface::run_compiler(config, |compiler| { + let res = interface::run_compiler(config, |compiler| { compiler.enter(|queries| { let _lower_to_hir = queries.lower_to_hir()?; @@ -141,7 +145,7 @@ crate fn run(options: Options) -> Result<(), ErrorReported> { hir_collector.visit_testable( "".to_string(), CRATE_HIR_ID, - krate.item.span, + krate.item.inner, |this| { intravisit::walk_crate(this, krate); }, @@ -151,12 +155,15 @@ crate fn run(options: Options) -> Result<(), ErrorReported> { }); compiler.session().abort_if_errors(); - let ret: Result<_, ErrorReported> = Ok(collector.tests); + let unused_extern_reports = collector.unused_extern_reports.clone(); + let compiling_test_count = collector.compiling_test_count.load(Ordering::SeqCst); + let ret: Result<_, ErrorReported> = + Ok((collector.tests, unused_extern_reports, compiling_test_count)); ret }) }); - let tests = match tests { - Ok(tests) => tests, + let (tests, unused_extern_reports, compiling_test_count) = match res { + Ok(res) => res, Err(ErrorReported) => return Err(ErrorReported), }; @@ -168,6 +175,44 @@ crate fn run(options: Options) -> Result<(), ErrorReported> { Some(testing::Options::new().display_output(display_warnings)), ); + // Collect and warn about unused externs, but only if we've gotten + // reports for each doctest + if json_unused_externs { + let unused_extern_reports: Vec<_> = + std::mem::take(&mut unused_extern_reports.lock().unwrap()); + if unused_extern_reports.len() == compiling_test_count { + let extern_names = externs.iter().map(|(name, _)| name).collect::>(); + let mut unused_extern_names = unused_extern_reports + .iter() + .map(|uexts| uexts.unused_extern_names.iter().collect::>()) + .fold(extern_names, |uextsa, uextsb| { + uextsa.intersection(&uextsb).map(|v| *v).collect::>() + }) + .iter() + .map(|v| (*v).clone()) + .collect::>(); + unused_extern_names.sort(); + // Take the most severe lint level + let lint_level = unused_extern_reports + .iter() + .map(|uexts| uexts.lint_level.as_str()) + .max_by_key(|v| match *v { + "warn" => 1, + "deny" => 2, + "forbid" => 3, + // The allow lint level is not expected, + // as if allow is specified, no message + // is to be emitted. + v => unreachable!("Invalid lint level '{}'", v), + }) + .unwrap_or("warn") + .to_string(); + let uext = UnusedExterns { lint_level, unused_extern_names }; + let unused_extern_json = serde_json::to_string(&uext).unwrap(); + eprintln!("{}", unused_extern_json); + } + } + Ok(()) } @@ -235,6 +280,18 @@ impl DirState { } } +// NOTE: Keep this in sync with the equivalent structs in rustc +// and cargo. +// We could unify this struct the one in rustc but they have different +// ownership semantics, so doing so would create wasteful allocations. +#[derive(serde::Serialize, serde::Deserialize)] +struct UnusedExterns { + /// Lint level of the unused_crate_dependencies lint + lint_level: String, + /// List of unused externs by their names. + unused_extern_names: Vec, +} + fn run_test( test: &str, cratename: &str, @@ -253,6 +310,7 @@ fn run_test( outdir: DirState, path: PathBuf, test_id: &str, + report_unused_externs: impl Fn(UnusedExterns), ) -> Result<(), TestFailure> { let (test, line_offset, supports_color) = make_test(test, Some(cratename), as_test_harness, opts, edition, Some(test_id)); @@ -278,6 +336,12 @@ fn run_test( if as_test_harness { compiler.arg("--test"); } + if options.json_unused_externs && !compile_fail { + compiler.arg("--error-format=json"); + compiler.arg("--json").arg("unused-externs"); + compiler.arg("-Z").arg("unstable-options"); + compiler.arg("-W").arg("unused_crate_dependencies"); + } for lib_str in &options.lib_strs { compiler.arg("-L").arg(&lib_str); } @@ -337,7 +401,26 @@ fn run_test( eprint!("{}", self.0); } } - let out = str::from_utf8(&output.stderr).unwrap(); + let mut out_lines = str::from_utf8(&output.stderr) + .unwrap() + .lines() + .filter(|l| { + if let Ok(uext) = serde_json::from_str::(l) { + report_unused_externs(uext); + false + } else { + true + } + }) + .collect::>(); + + // Add a \n to the end to properly terminate the last line, + // but only if there was output to be printed + if out_lines.len() > 0 { + out_lines.push(""); + } + + let out = out_lines.join("\n"); let _bomb = Bomb(&out); match (output.status.success(), compile_fail) { (true, true) => { @@ -721,6 +804,8 @@ crate struct Collector { source_map: Option>, filename: Option, visited_tests: FxHashMap<(String, usize), usize>, + unused_extern_reports: Arc>>, + compiling_test_count: AtomicUsize, } impl Collector { @@ -745,6 +830,8 @@ impl Collector { source_map, filename, visited_tests: FxHashMap::default(), + unused_extern_reports: Default::default(), + compiling_test_count: AtomicUsize::new(0), } } @@ -791,6 +878,10 @@ impl Tester for Collector { let runtool_args = self.options.runtool_args.clone(); let target = self.options.target.clone(); let target_str = target.to_string(); + let unused_externs = self.unused_extern_reports.clone(); + if !config.compile_fail { + self.compiling_test_count.fetch_add(1, Ordering::SeqCst); + } // FIXME(#44940): if doctests ever support path remapping, then this filename // needs to be the result of `SourceMap::span_to_unmapped_path`. @@ -846,6 +937,9 @@ impl Tester for Collector { test_type: testing::TestType::DocTest, }, testfn: testing::DynTestFn(box move || { + let report_unused_externs = |uext| { + unused_externs.lock().unwrap().push(uext); + }; let res = run_test( &test, &cratename, @@ -864,6 +958,7 @@ impl Tester for Collector { outdir, path, &test_id, + report_unused_externs, ); if let Err(err) = res { diff --git a/src/librustdoc/formats/cache.rs b/src/librustdoc/formats/cache.rs index f9a663b38ebd..b2b895cc6726 100644 --- a/src/librustdoc/formats/cache.rs +++ b/src/librustdoc/formats/cache.rs @@ -116,14 +116,15 @@ crate struct Cache { // even though the trait itself is not exported. This can happen if a trait // was defined in function/expression scope, since the impl will be picked // up by `collect-trait-impls` but the trait won't be scraped out in the HIR - // crawl. In order to prevent crashes when looking for spotlight traits or + // crawl. In order to prevent crashes when looking for notable traits or // when gathering trait documentation on a type, hold impls here while // folding and add them to the cache later on if we find the trait. orphan_trait_impls: Vec<(DefId, FxHashSet, Impl)>, - /// Aliases added through `#[doc(alias = "...")]`. Since a few items can have the same alias, - /// we need the alias element to have an array of items. - crate aliases: BTreeMap>, + /// All intra-doc links resolved so far. + /// + /// Links are indexed by the DefId of the item they document. + crate intra_doc_links: BTreeMap>, } /// This struct is used to wrap the `cache` and `tcx` in order to run `DocFolder`. @@ -227,7 +228,7 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> { if let clean::TraitItem(ref t) = *item.kind { self.cache.traits.entry(item.def_id).or_insert_with(|| clean::TraitWithExtraInfo { trait_: t.clone(), - is_spotlight: item.attrs.has_doc_flag(sym::spotlight), + is_notable: item.attrs.has_doc_flag(sym::notable_trait), }); } @@ -309,15 +310,8 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> { parent, parent_idx: None, search_type: get_index_search_type(&item, &self.empty_cache, self.tcx), + aliases: item.attrs.get_doc_aliases(), }); - - for alias in item.attrs.get_doc_aliases() { - self.cache - .aliases - .entry(alias.to_lowercase()) - .or_insert(Vec::new()) - .push(self.cache.search_index.len() - 1); - } } } (Some(parent), None) if is_inherent_impl_item => { diff --git a/src/librustdoc/formats/renderer.rs b/src/librustdoc/formats/renderer.rs index 4e0f3a4e3c31..ae97cd64fb5f 100644 --- a/src/librustdoc/formats/renderer.rs +++ b/src/librustdoc/formats/renderer.rs @@ -63,10 +63,15 @@ crate fn run_format<'tcx, T: FormatRenderer<'tcx>>( ) -> Result<(), Error> { let prof = &tcx.sess.prof; + let emit_crate = options.should_emit_crate(); let (mut format_renderer, krate) = prof .extra_verbose_generic_activity("create_renderer", T::descr()) .run(|| T::init(krate, options, edition, cache, tcx))?; + if !emit_crate { + return Ok(()); + } + // Render the crate documentation let crate_name = krate.name; let mut work = vec![(format_renderer.make_child_renderer(), krate.module)]; diff --git a/src/librustdoc/html/highlight.rs b/src/librustdoc/html/highlight.rs index 7e50d72e60f7..3a4319d5d9aa 100644 --- a/src/librustdoc/html/highlight.rs +++ b/src/librustdoc/html/highlight.rs @@ -189,7 +189,9 @@ impl<'a> Classifier<'a> { // leading identifier. TokenKind::Bang if self.in_macro => { self.in_macro = false; - Class::Macro + sink(Highlight::Token { text, class: None }); + sink(Highlight::ExitSpan); + return; } // Assume that '&' or '*' is the reference or dereference operator @@ -298,7 +300,9 @@ impl<'a> Classifier<'a> { }, TokenKind::Ident | TokenKind::RawIdent if lookahead == Some(TokenKind::Bang) => { self.in_macro = true; - Class::Macro + sink(Highlight::EnterSpan { class: Class::Macro }); + sink(Highlight::Token { text, class: None }); + return; } TokenKind::Ident => match text { "ref" | "mut" => Class::RefKeyWord, diff --git a/src/librustdoc/html/highlight/fixtures/dos_line.html b/src/librustdoc/html/highlight/fixtures/dos_line.html index 4400f85681d8..1c8dbffe78c2 100644 --- a/src/librustdoc/html/highlight/fixtures/dos_line.html +++ b/src/librustdoc/html/highlight/fixtures/dos_line.html @@ -1,3 +1,3 @@ pub fn foo() { -println!("foo"); +println!("foo"); } diff --git a/src/librustdoc/html/highlight/fixtures/sample.html b/src/librustdoc/html/highlight/fixtures/sample.html index d937246f4665..4966e0ac6bbd 100644 --- a/src/librustdoc/html/highlight/fixtures/sample.html +++ b/src/librustdoc/html/highlight/fixtures/sample.html @@ -17,11 +17,11 @@ let _ = &foo; let _ = &&foo; let _ = *foo; - mac!(foo, &mut bar); - assert!(self.length < N && index <= self.length); + mac!(foo, &mut bar); + assert!(self.length < N && index <= self.length); } -macro_rules! bar { +macro_rules! bar { ($foo:tt) => {}; } diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index b39f9f878921..509f17305577 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -1162,6 +1162,7 @@ crate fn plain_text_summary(md: &str) -> String { s } +#[derive(Debug)] crate struct MarkdownLink { pub kind: LinkType, pub link: String, @@ -1354,6 +1355,10 @@ fn init_id_map() -> FxHashMap { map.insert("default-settings".to_owned(), 1); map.insert("rustdoc-vars".to_owned(), 1); map.insert("sidebar-vars".to_owned(), 1); + map.insert("copy-path".to_owned(), 1); + map.insert("help".to_owned(), 1); + map.insert("TOC".to_owned(), 1); + map.insert("render-detail".to_owned(), 1); // This is the list of IDs used by rustdoc sections. map.insert("fields".to_owned(), 1); map.insert("variants".to_owned(), 1); @@ -1363,6 +1368,12 @@ fn init_id_map() -> FxHashMap { map.insert("trait-implementations".to_owned(), 1); map.insert("synthetic-implementations".to_owned(), 1); map.insert("blanket-implementations".to_owned(), 1); + map.insert("associated-types".to_owned(), 1); + map.insert("associated-const".to_owned(), 1); + map.insert("required-methods".to_owned(), 1); + map.insert("provided-methods".to_owned(), 1); + map.insert("implementors".to_owned(), 1); + map.insert("synthetic-implementors".to_owned(), 1); map } @@ -1371,12 +1382,6 @@ impl IdMap { IdMap { map: init_id_map() } } - crate fn populate, S: AsRef + ToString>(&mut self, ids: I) { - for id in ids { - let _ = self.derive(id); - } - } - crate fn derive + ToString>(&mut self, candidate: S) -> String { let id = match self.map.get_mut(candidate.as_ref()) { None => candidate.to_string(), diff --git a/src/librustdoc/html/render/cache.rs b/src/librustdoc/html/render/cache.rs index 5d49a4947276..2265905dcbaf 100644 --- a/src/librustdoc/html/render/cache.rs +++ b/src/librustdoc/html/render/cache.rs @@ -82,18 +82,31 @@ crate fn build_index<'tcx>(krate: &clean::Crate, cache: &mut Cache, tcx: TyCtxt< parent: Some(did), parent_idx: None, search_type: get_index_search_type(&item, cache, tcx), + aliases: item.attrs.get_doc_aliases(), }); - for alias in item.attrs.get_doc_aliases() { - cache - .aliases - .entry(alias.to_lowercase()) - .or_insert(Vec::new()) - .push(cache.search_index.len() - 1); - } } } - let Cache { ref mut search_index, ref paths, ref mut aliases, .. } = *cache; + let Cache { ref mut search_index, ref paths, .. } = *cache; + + // Aliases added through `#[doc(alias = "...")]`. Since a few items can have the same alias, + // we need the alias element to have an array of items. + let mut aliases: BTreeMap> = BTreeMap::new(); + + // Sort search index items. This improves the compressibility of the search index. + search_index.sort_unstable_by(|k1, k2| { + // `sort_unstable_by_key` produces lifetime errors + let k1 = (&k1.path, &k1.name, &k1.ty, &k1.parent); + let k2 = (&k2.path, &k2.name, &k2.ty, &k2.parent); + std::cmp::Ord::cmp(&k1, &k2) + }); + + // Set up alias indexes. + for (i, item) in search_index.iter().enumerate() { + for alias in &item.aliases[..] { + aliases.entry(alias.to_lowercase()).or_insert(Vec::new()).push(i); + } + } // Reduce `DefId` in paths into smaller sequential numbers, // and prune the paths that do not appear in the index. @@ -201,7 +214,7 @@ crate fn build_index<'tcx>(krate: &clean::Crate, cache: &mut Cache, tcx: TyCtxt< doc: crate_doc, items: crate_items, paths: crate_paths, - aliases, + aliases: &aliases, }) .expect("failed serde conversion") // All these `replace` calls are because we have to go through JS string for JSON content. diff --git a/src/librustdoc/html/render/context.rs b/src/librustdoc/html/render/context.rs index 0ffb4d616da1..df5ff6e106d7 100644 --- a/src/librustdoc/html/render/context.rs +++ b/src/librustdoc/html/render/context.rs @@ -1,11 +1,11 @@ use std::cell::RefCell; use std::collections::BTreeMap; use std::io; -use std::path::PathBuf; +use std::path::{Path, PathBuf}; use std::rc::Rc; -use std::sync::mpsc::channel; +use std::sync::mpsc::{channel, Receiver}; -use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_hir::def_id::{DefId, LOCAL_CRATE}; use rustc_middle::ty::TyCtxt; use rustc_session::Session; @@ -16,10 +16,7 @@ use rustc_span::{symbol::sym, Symbol}; use super::cache::{build_index, ExternalLocation}; use super::print_item::{full_path, item_path, print_item}; use super::write_shared::write_shared; -use super::{ - print_sidebar, settings, AllTypes, NameDoc, SharedContext, StylePath, BASIC_KEYWORDS, - CURRENT_DEPTH, INITIAL_IDS, -}; +use super::{print_sidebar, settings, AllTypes, NameDoc, StylePath, BASIC_KEYWORDS, CURRENT_DEPTH}; use crate::clean::{self, AttributesExt}; use crate::config::RenderOptions; @@ -78,18 +75,75 @@ crate struct Context<'tcx> { #[cfg(target_arch = "x86_64")] rustc_data_structures::static_assert_size!(Context<'_>, 152); -impl<'tcx> Context<'tcx> { - pub(super) fn path(&self, filename: &str) -> PathBuf { - // We use splitn vs Path::extension here because we might get a filename - // like `style.min.css` and we want to process that into - // `style-suffix.min.css`. Path::extension would just return `css` - // which would result in `style.min-suffix.css` which isn't what we - // want. - let (base, ext) = filename.split_once('.').unwrap(); - let filename = format!("{}{}.{}", base, self.shared.resource_suffix, ext); - self.dst.join(&filename) +/// Shared mutable state used in [`Context`] and elsewhere. +crate struct SharedContext<'tcx> { + crate tcx: TyCtxt<'tcx>, + /// The path to the crate root source minus the file name. + /// Used for simplifying paths to the highlighted source code files. + crate src_root: PathBuf, + /// This describes the layout of each page, and is not modified after + /// creation of the context (contains info like the favicon and added html). + crate layout: layout::Layout, + /// This flag indicates whether `[src]` links should be generated or not. If + /// the source files are present in the html rendering, then this will be + /// `true`. + crate include_sources: bool, + /// The local file sources we've emitted and their respective url-paths. + crate local_sources: FxHashMap, + /// Whether the collapsed pass ran + collapsed: bool, + /// The base-URL of the issue tracker for when an item has been tagged with + /// an issue number. + pub(super) issue_tracker_base_url: Option, + /// The directories that have already been created in this doc run. Used to reduce the number + /// of spurious `create_dir_all` calls. + created_dirs: RefCell>, + /// This flag indicates whether listings of modules (in the side bar and documentation itself) + /// should be ordered alphabetically or in order of appearance (in the source code). + pub(super) sort_modules_alphabetically: bool, + /// Additional CSS files to be added to the generated docs. + crate style_files: Vec, + /// Suffix to be added on resource files (if suffix is "-v2" then "light.css" becomes + /// "light-v2.css"). + crate resource_suffix: String, + /// Optional path string to be used to load static files on output pages. If not set, uses + /// combinations of `../` to reach the documentation root. + crate static_root_path: Option, + /// The fs handle we are working with. + crate fs: DocFS, + /// The default edition used to parse doctests. + crate edition: Edition, + pub(super) codes: ErrorCodes, + pub(super) playground: Option, + all: RefCell, + /// Storage for the errors produced while generating documentation so they + /// can be printed together at the end. + errors: Receiver, + /// `None` by default, depends on the `generate-redirect-map` option flag. If this field is set + /// to `Some(...)`, it'll store redirections and then generate a JSON file at the top level of + /// the crate. + redirections: Option>>, +} + +impl SharedContext<'_> { + crate fn ensure_dir(&self, dst: &Path) -> Result<(), Error> { + let mut dirs = self.created_dirs.borrow_mut(); + if !dirs.contains(dst) { + try_err!(self.fs.create_dir_all(dst), dst); + dirs.insert(dst.to_path_buf()); + } + + Ok(()) } + /// Based on whether the `collapse-docs` pass was run, return either the `doc_value` or the + /// `collapsed_doc_value` of the given item. + crate fn maybe_collapsed_doc_value<'a>(&self, item: &'a clean::Item) -> Option { + if self.collapsed { item.collapsed_doc_value() } else { item.doc_value() } + } +} + +impl<'tcx> Context<'tcx> { pub(super) fn tcx(&self) -> TyCtxt<'tcx> { self.shared.tcx } @@ -301,6 +355,7 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> { ) -> Result<(Self, clean::Crate), Error> { // need to save a copy of the options for rendering the index page let md_opts = options.clone(); + let emit_crate = options.should_emit_crate(); let RenderOptions { output, external_html, @@ -406,7 +461,9 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> { let dst = output; scx.ensure_dir(&dst)?; - krate = sources::render(&dst, &mut scx, krate)?; + if emit_crate { + krate = sources::render(&dst, &mut scx, krate)?; + } // Build our search index let index = build_index(&krate, &mut cache, tcx); @@ -431,14 +488,11 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> { } fn make_child_renderer(&self) -> Self { - let mut id_map = IdMap::new(); - id_map.populate(&INITIAL_IDS); - Self { current: self.current.clone(), dst: self.dst.clone(), render_redirect_pages: self.render_redirect_pages, - id_map: RefCell::new(id_map), + id_map: RefCell::new(IdMap::new()), deref_id_map: RefCell::new(FxHashMap::default()), shared: Rc::clone(&self.shared), cache: Rc::clone(&self.cache), @@ -489,7 +543,7 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> { |buf: &mut Buffer| all.print(buf), &self.shared.style_files, ); - self.shared.fs.write(&final_file, v.as_bytes())?; + self.shared.fs.write(final_file, v.as_bytes())?; // Generating settings page. page.title = "Rustdoc settings"; diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs index 07bd26a4c5eb..fbe799e71848 100644 --- a/src/librustdoc/html/render/mod.rs +++ b/src/librustdoc/html/render/mod.rs @@ -35,32 +35,30 @@ mod write_shared; crate use context::*; crate use write_shared::FILES_UNVERSIONED; -use std::cell::{Cell, RefCell}; +use std::cell::Cell; use std::collections::VecDeque; use std::default::Default; use std::fmt; -use std::path::{Path, PathBuf}; +use std::path::PathBuf; use std::str; use std::string::ToString; -use std::sync::mpsc::Receiver; use itertools::Itertools; use rustc_ast_pretty::pprust; use rustc_attr::{Deprecation, StabilityLevel}; -use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; use rustc_hir::def::CtorKind; use rustc_hir::def_id::DefId; use rustc_hir::Mutability; use rustc_middle::middle::stability; use rustc_middle::ty::TyCtxt; -use rustc_span::edition::Edition; use rustc_span::symbol::{kw, sym, Symbol}; use serde::ser::SerializeSeq; use serde::{Serialize, Serializer}; use crate::clean::{self, GetDefId, RenderedLink, SelfTy, TypeKind}; -use crate::docfs::{DocFS, PathError}; +use crate::docfs::PathError; use crate::error::Error; use crate::formats::cache::Cache; use crate::formats::item_type::ItemType; @@ -70,8 +68,7 @@ use crate::html::format::{ href, print_abi_with_space, print_default_space, print_generic_bounds, print_where_clause, Buffer, PrintWithSpace, }; -use crate::html::layout; -use crate::html::markdown::{self, ErrorCodes, Markdown, MarkdownHtml, MarkdownSummaryLine}; +use crate::html::markdown::{Markdown, MarkdownHtml, MarkdownSummaryLine}; /// A pair of name and its optional document. crate type NameDoc = (String, Option); @@ -82,74 +79,6 @@ crate fn ensure_trailing_slash(v: &str) -> impl fmt::Display + '_ { }) } -/// Shared mutable state used in [`Context`] and elsewhere. -crate struct SharedContext<'tcx> { - crate tcx: TyCtxt<'tcx>, - /// The path to the crate root source minus the file name. - /// Used for simplifying paths to the highlighted source code files. - crate src_root: PathBuf, - /// This describes the layout of each page, and is not modified after - /// creation of the context (contains info like the favicon and added html). - crate layout: layout::Layout, - /// This flag indicates whether `[src]` links should be generated or not. If - /// the source files are present in the html rendering, then this will be - /// `true`. - crate include_sources: bool, - /// The local file sources we've emitted and their respective url-paths. - crate local_sources: FxHashMap, - /// Whether the collapsed pass ran - collapsed: bool, - /// The base-URL of the issue tracker for when an item has been tagged with - /// an issue number. - issue_tracker_base_url: Option, - /// The directories that have already been created in this doc run. Used to reduce the number - /// of spurious `create_dir_all` calls. - created_dirs: RefCell>, - /// This flag indicates whether listings of modules (in the side bar and documentation itself) - /// should be ordered alphabetically or in order of appearance (in the source code). - sort_modules_alphabetically: bool, - /// Additional CSS files to be added to the generated docs. - crate style_files: Vec, - /// Suffix to be added on resource files (if suffix is "-v2" then "light.css" becomes - /// "light-v2.css"). - crate resource_suffix: String, - /// Optional path string to be used to load static files on output pages. If not set, uses - /// combinations of `../` to reach the documentation root. - crate static_root_path: Option, - /// The fs handle we are working with. - crate fs: DocFS, - /// The default edition used to parse doctests. - crate edition: Edition, - codes: ErrorCodes, - playground: Option, - all: RefCell, - /// Storage for the errors produced while generating documentation so they - /// can be printed together at the end. - errors: Receiver, - /// `None` by default, depends on the `generate-redirect-map` option flag. If this field is set - /// to `Some(...)`, it'll store redirections and then generate a JSON file at the top level of - /// the crate. - redirections: Option>>, -} - -impl SharedContext<'_> { - crate fn ensure_dir(&self, dst: &Path) -> Result<(), Error> { - let mut dirs = self.created_dirs.borrow_mut(); - if !dirs.contains(dst) { - try_err!(self.fs.create_dir_all(dst), dst); - dirs.insert(dst.to_path_buf()); - } - - Ok(()) - } - - /// Based on whether the `collapse-docs` pass was run, return either the `doc_value` or the - /// `collapsed_doc_value` of the given item. - crate fn maybe_collapsed_doc_value<'a>(&self, item: &'a clean::Item) -> Option { - if self.collapsed { item.collapsed_doc_value() } else { item.doc_value() } - } -} - // Helper structs for rendering items/sidebars and carrying along contextual // information @@ -164,6 +93,7 @@ crate struct IndexItem { crate parent: Option, crate parent_idx: Option, crate search_type: Option, + crate aliases: Box<[String]>, } /// A type used for the search index. @@ -283,24 +213,6 @@ crate struct StylePath { thread_local!(crate static CURRENT_DEPTH: Cell = Cell::new(0)); -crate const INITIAL_IDS: [&'static str; 15] = [ - "main", - "search", - "help", - "TOC", - "render-detail", - "associated-types", - "associated-const", - "required-methods", - "provided-methods", - "implementors", - "synthetic-implementors", - "implementors-list", - "synthetic-implementors-list", - "methods", - "implementations", -]; - fn write_srclink(cx: &Context<'_>, item: &clean::Item, buf: &mut Buffer) { if let Some(l) = cx.src_href(item) { write!(buf, "[src]", l) @@ -1045,7 +957,7 @@ fn render_assoc_item( write!( w, "{}{}{}{}{}{}{}fn {name}\ - {generics}{decl}{spotlight}{where_clause}", + {generics}{decl}{notable_traits}{where_clause}", if parent == ItemType::Trait { " " } else { "" }, vis, constness, @@ -1057,7 +969,7 @@ fn render_assoc_item( name = name, generics = g.print(cache, tcx), decl = d.full_print(cache, tcx, header_len, indent, header.asyncness), - spotlight = spotlight_decl(&d, cache, tcx), + notable_traits = notable_traits_decl(&d, cache, tcx), where_clause = print_where_clause(g, cache, tcx, indent, end_newline), ) } @@ -1341,7 +1253,7 @@ fn should_render_item(item: &clean::Item, deref_mut_: bool, cache: &Cache) -> bo } } -fn spotlight_decl(decl: &clean::FnDecl, cache: &Cache, tcx: TyCtxt<'_>) -> String { +fn notable_traits_decl(decl: &clean::FnDecl, cache: &Cache, tcx: TyCtxt<'_>) -> String { let mut out = Buffer::html(); let mut trait_ = String::new(); @@ -1349,9 +1261,11 @@ fn spotlight_decl(decl: &clean::FnDecl, cache: &Cache, tcx: TyCtxt<'_>) -> Strin if let Some(impls) = cache.impls.get(&did) { for i in impls { let impl_ = i.inner_impl(); - if impl_.trait_.def_id().map_or(false, |d| { - cache.traits.get(&d).map(|t| t.is_spotlight).unwrap_or(false) - }) { + if impl_ + .trait_ + .def_id() + .map_or(false, |d| cache.traits.get(&d).map(|t| t.is_notable).unwrap_or(false)) + { if out.is_empty() { write!( &mut out, @@ -1931,13 +1845,6 @@ fn sidebar_assoc_items(cx: &Context<'_>, out: &mut Buffer, it: &clean::Item) { } if v.iter().any(|i| i.inner_impl().trait_.is_some()) { - if let Some(impl_) = v - .iter() - .filter(|i| i.inner_impl().trait_.is_some()) - .find(|i| i.inner_impl().trait_.def_id_full(cache) == cx.cache.deref_trait_did) - { - sidebar_deref_methods(cx, out, impl_, v); - } let format_impls = |impls: Vec<&Impl>| { let mut links = FxHashSet::default(); @@ -2005,6 +1912,14 @@ fn sidebar_assoc_items(cx: &Context<'_>, out: &mut Buffer, it: &clean::Item) { ); write_sidebar_links(out, blanket_format); } + + if let Some(impl_) = v + .iter() + .filter(|i| i.inner_impl().trait_.is_some()) + .find(|i| i.inner_impl().trait_.def_id_full(cache) == cx.cache.deref_trait_did) + { + sidebar_deref_methods(cx, out, impl_, v); + } } } } diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs index cc93e55fc676..0cdfe435b9c9 100644 --- a/src/librustdoc/html/render/print_item.rs +++ b/src/librustdoc/html/render/print_item.rs @@ -10,9 +10,9 @@ use rustc_span::hygiene::MacroKind; use rustc_span::symbol::{kw, sym, Symbol}; use super::{ - collect_paths_for_type, document, ensure_trailing_slash, item_ty_to_strs, render_assoc_item, - render_assoc_items, render_attributes, render_impl, render_stability_since_raw, spotlight_decl, - write_srclink, AssocItemLink, Context, + collect_paths_for_type, document, ensure_trailing_slash, item_ty_to_strs, notable_traits_decl, + render_assoc_item, render_assoc_items, render_attributes, render_impl, + render_stability_since_raw, write_srclink, AssocItemLink, Context, }; use crate::clean::{self, GetDefId}; use crate::formats::cache::Cache; @@ -73,6 +73,7 @@ pub(super) fn print_item(cx: &Context<'_>, item: &clean::Item, buf: &mut Buffer) } } write!(buf, "{}", item.type_(), item.name.as_ref().unwrap()); + write!(buf, ""); buf.write_str(""); // in-band buf.write_str(""); @@ -380,7 +381,7 @@ fn item_function(w: &mut Buffer, cx: &Context<'_>, it: &clean::Item, f: &clean:: write!( w, "{vis}{constness}{asyncness}{unsafety}{abi}fn \ - {name}{generics}{decl}{spotlight}{where_clause}", + {name}{generics}{decl}{notable_traits}{where_clause}", vis = it.visibility.print_with_space(cx.tcx(), it.def_id, cx.cache()), constness = f.header.constness.print_with_space(), asyncness = f.header.asyncness.print_with_space(), @@ -390,7 +391,7 @@ fn item_function(w: &mut Buffer, cx: &Context<'_>, it: &clean::Item, f: &clean:: generics = f.generics.print(cx.cache(), cx.tcx()), where_clause = print_where_clause(&f.generics, cx.cache(), cx.tcx(), 0, true), decl = f.decl.full_print(cx.cache(), cx.tcx(), header_len, 0, f.header.asyncness), - spotlight = spotlight_decl(&f.decl, cx.cache(), cx.tcx()), + notable_traits = notable_traits_decl(&f.decl, cx.cache(), cx.tcx()), ); document(w, cx, it, None) } diff --git a/src/librustdoc/html/render/write_shared.rs b/src/librustdoc/html/render/write_shared.rs index dc9675521162..8fb6d68f3c6b 100644 --- a/src/librustdoc/html/render/write_shared.rs +++ b/src/librustdoc/html/render/write_shared.rs @@ -13,8 +13,8 @@ use serde::Serialize; use super::{collect_paths_for_type, ensure_trailing_slash, Context, BASIC_KEYWORDS}; use crate::clean::Crate; -use crate::config::RenderOptions; -use crate::docfs::{DocFS, PathError}; +use crate::config::{EmitType, RenderOptions}; +use crate::docfs::PathError; use crate::error::Error; use crate::formats::FormatRenderer; use crate::html::{layout, static_files}; @@ -26,10 +26,10 @@ crate static FILES_UNVERSIONED: Lazy> = Lazy::new(|| { "FiraSans-Regular.woff" => static_files::fira_sans::REGULAR, "FiraSans-Medium.woff" => static_files::fira_sans::MEDIUM, "FiraSans-LICENSE.txt" => static_files::fira_sans::LICENSE, - "SourceSerifPro-Regular.ttf.woff" => static_files::source_serif_pro::REGULAR, - "SourceSerifPro-Bold.ttf.woff" => static_files::source_serif_pro::BOLD, - "SourceSerifPro-It.ttf.woff" => static_files::source_serif_pro::ITALIC, - "SourceSerifPro-LICENSE.md" => static_files::source_serif_pro::LICENSE, + "SourceSerif4-Regular.ttf.woff" => static_files::source_serif_4::REGULAR, + "SourceSerif4-Bold.ttf.woff" => static_files::source_serif_4::BOLD, + "SourceSerif4-It.ttf.woff" => static_files::source_serif_4::ITALIC, + "SourceSerif4-LICENSE.md" => static_files::source_serif_4::LICENSE, "SourceCodePro-Regular.ttf.woff" => static_files::source_code_pro::REGULAR, "SourceCodePro-Semibold.ttf.woff" => static_files::source_code_pro::SEMIBOLD, "SourceCodePro-It.ttf.woff" => static_files::source_code_pro::ITALIC, @@ -40,6 +40,102 @@ crate static FILES_UNVERSIONED: Lazy> = Lazy::new(|| { } }); +enum SharedResource<'a> { + /// This file will never change, no matter what toolchain is used to build it. + /// + /// It does not have a resource suffix. + Unversioned { name: &'static str }, + /// This file may change depending on the toolchain. + /// + /// It has a resource suffix. + ToolchainSpecific { basename: &'static str }, + /// This file may change for any crate within a build, or based on the CLI arguments. + /// + /// This differs from normal invocation-specific files because it has a resource suffix. + InvocationSpecific { basename: &'a str }, +} + +impl SharedResource<'_> { + fn extension(&self) -> Option<&OsStr> { + use SharedResource::*; + match self { + Unversioned { name } + | ToolchainSpecific { basename: name } + | InvocationSpecific { basename: name } => Path::new(name).extension(), + } + } + + fn path(&self, cx: &Context<'_>) -> PathBuf { + match self { + SharedResource::Unversioned { name } => cx.dst.join(name), + SharedResource::ToolchainSpecific { basename } => cx.suffix_path(basename), + SharedResource::InvocationSpecific { basename } => cx.suffix_path(basename), + } + } + + fn should_emit(&self, emit: &[EmitType]) -> bool { + if emit.is_empty() { + return true; + } + let kind = match self { + SharedResource::Unversioned { .. } => EmitType::Unversioned, + SharedResource::ToolchainSpecific { .. } => EmitType::Toolchain, + SharedResource::InvocationSpecific { .. } => EmitType::InvocationSpecific, + }; + emit.contains(&kind) + } +} + +impl Context<'_> { + fn suffix_path(&self, filename: &str) -> PathBuf { + // We use splitn vs Path::extension here because we might get a filename + // like `style.min.css` and we want to process that into + // `style-suffix.min.css`. Path::extension would just return `css` + // which would result in `style.min-suffix.css` which isn't what we + // want. + let (base, ext) = filename.split_once('.').unwrap(); + let filename = format!("{}{}.{}", base, self.shared.resource_suffix, ext); + self.dst.join(&filename) + } + + fn write_shared>( + &self, + resource: SharedResource<'_>, + contents: C, + emit: &[EmitType], + ) -> Result<(), Error> { + if resource.should_emit(emit) { + self.shared.fs.write(resource.path(self), contents) + } else { + Ok(()) + } + } + + fn write_minify( + &self, + resource: SharedResource<'_>, + contents: &str, + minify: bool, + emit: &[EmitType], + ) -> Result<(), Error> { + let tmp; + let contents = if minify { + tmp = if resource.extension() == Some(&OsStr::new("css")) { + minifier::css::minify(contents).map_err(|e| { + Error::new(format!("failed to minify CSS file: {}", e), resource.path(self)) + })? + } else { + minifier::js::minify(contents) + }; + tmp.as_bytes() + } else { + contents.as_bytes() + }; + + self.write_shared(resource, contents, emit) + } +} + pub(super) fn write_shared( cx: &Context<'_>, krate: &Crate, @@ -52,27 +148,31 @@ pub(super) fn write_shared( let lock_file = cx.dst.join(".lock"); let _lock = try_err!(flock::Lock::new(&lock_file, true, true, true), &lock_file); + // The weird `: &_` is to work around a borrowck bug: https://github.com/rust-lang/rust/issues/41078#issuecomment-293646723 + let write_minify = |p, c: &_| { + cx.write_minify( + SharedResource::ToolchainSpecific { basename: p }, + c, + options.enable_minification, + &options.emit, + ) + }; + // Toolchain resources should never be dynamic. + let write_toolchain = |p: &'static _, c: &'static _| { + cx.write_shared(SharedResource::ToolchainSpecific { basename: p }, c, &options.emit) + }; + + // Crate resources should always be dynamic. + let write_crate = |p: &_, make_content: &dyn Fn() -> Result, Error>| { + let content = make_content()?; + cx.write_shared(SharedResource::InvocationSpecific { basename: p }, content, &options.emit) + }; + // Add all the static files. These may already exist, but we just // overwrite them anyway to make sure that they're fresh and up-to-date. - - write_minify( - &cx.shared.fs, - cx.path("rustdoc.css"), - static_files::RUSTDOC_CSS, - options.enable_minification, - )?; - write_minify( - &cx.shared.fs, - cx.path("settings.css"), - static_files::SETTINGS_CSS, - options.enable_minification, - )?; - write_minify( - &cx.shared.fs, - cx.path("noscript.css"), - static_files::NOSCRIPT_CSS, - options.enable_minification, - )?; + write_minify("rustdoc.css", static_files::RUSTDOC_CSS)?; + write_minify("settings.css", static_files::SETTINGS_CSS)?; + write_minify("noscript.css", static_files::NOSCRIPT_CSS)?; // To avoid "light.css" to be overwritten, we'll first run over the received themes and only // then we'll run over the "official" styles. @@ -85,106 +185,73 @@ pub(super) fn write_shared( // Handle the official themes match theme { - "light" => write_minify( - &cx.shared.fs, - cx.path("light.css"), - static_files::themes::LIGHT, - options.enable_minification, - )?, - "dark" => write_minify( - &cx.shared.fs, - cx.path("dark.css"), - static_files::themes::DARK, - options.enable_minification, - )?, - "ayu" => write_minify( - &cx.shared.fs, - cx.path("ayu.css"), - static_files::themes::AYU, - options.enable_minification, - )?, + "light" => write_minify("light.css", static_files::themes::LIGHT)?, + "dark" => write_minify("dark.css", static_files::themes::DARK)?, + "ayu" => write_minify("ayu.css", static_files::themes::AYU)?, _ => { // Handle added third-party themes - let content = try_err!(fs::read(&entry.path), &entry.path); - cx.shared - .fs - .write(cx.path(&format!("{}.{}", theme, extension)), content.as_slice())?; + let filename = format!("{}.{}", theme, extension); + write_crate(&filename, &|| Ok(try_err!(fs::read(&entry.path), &entry.path)))?; } }; themes.insert(theme.to_owned()); } - let write = |p, c| cx.shared.fs.write(p, c); if (*cx.shared).layout.logo.is_empty() { - write(cx.path("rust-logo.png"), static_files::RUST_LOGO)?; + write_toolchain("rust-logo.png", static_files::RUST_LOGO)?; } if (*cx.shared).layout.favicon.is_empty() { - write(cx.path("favicon.svg"), static_files::RUST_FAVICON_SVG)?; - write(cx.path("favicon-16x16.png"), static_files::RUST_FAVICON_PNG_16)?; - write(cx.path("favicon-32x32.png"), static_files::RUST_FAVICON_PNG_32)?; + write_toolchain("favicon.svg", static_files::RUST_FAVICON_SVG)?; + write_toolchain("favicon-16x16.png", static_files::RUST_FAVICON_PNG_16)?; + write_toolchain("favicon-32x32.png", static_files::RUST_FAVICON_PNG_32)?; } - write(cx.path("brush.svg"), static_files::BRUSH_SVG)?; - write(cx.path("wheel.svg"), static_files::WHEEL_SVG)?; - write(cx.path("down-arrow.svg"), static_files::DOWN_ARROW_SVG)?; + write_toolchain("brush.svg", static_files::BRUSH_SVG)?; + write_toolchain("wheel.svg", static_files::WHEEL_SVG)?; + write_toolchain("down-arrow.svg", static_files::DOWN_ARROW_SVG)?; let mut themes: Vec<&String> = themes.iter().collect(); themes.sort(); + // FIXME: this should probably not be a toolchain file since it depends on `--theme`. + // But it seems a shame to copy it over and over when it's almost always the same. + // Maybe we can change the representation to move this out of main.js? write_minify( - &cx.shared.fs, - cx.path("main.js"), + "main.js", &static_files::MAIN_JS.replace( "/* INSERT THEMES HERE */", &format!(" = {}", serde_json::to_string(&themes).unwrap()), ), - options.enable_minification, - )?; - write_minify( - &cx.shared.fs, - cx.path("settings.js"), - static_files::SETTINGS_JS, - options.enable_minification, )?; + write_minify("settings.js", static_files::SETTINGS_JS)?; if cx.shared.include_sources { - write_minify( - &cx.shared.fs, - cx.path("source-script.js"), - static_files::sidebar::SOURCE_SCRIPT, - options.enable_minification, - )?; + write_minify("source-script.js", static_files::sidebar::SOURCE_SCRIPT)?; } { write_minify( - &cx.shared.fs, - cx.path("storage.js"), + "storage.js", &format!( "var resourcesSuffix = \"{}\";{}", cx.shared.resource_suffix, static_files::STORAGE_JS ), - options.enable_minification, )?; } if let Some(ref css) = cx.shared.layout.css_file_extension { - let out = cx.path("theme.css"); let buffer = try_err!(fs::read_to_string(css), css); - if !options.enable_minification { - cx.shared.fs.write(&out, &buffer)?; - } else { - write_minify(&cx.shared.fs, out, &buffer, options.enable_minification)?; - } + // This varies based on the invocation, so it can't go through the write_minify wrapper. + cx.write_minify( + SharedResource::InvocationSpecific { basename: "theme.css" }, + &buffer, + options.enable_minification, + &options.emit, + )?; } - write_minify( - &cx.shared.fs, - cx.path("normalize.css"), - static_files::NORMALIZE_CSS, - options.enable_minification, - )?; - for (file, contents) in &*FILES_UNVERSIONED { - write(cx.dst.join(file), contents)?; + write_minify("normalize.css", static_files::NORMALIZE_CSS)?; + for (name, contents) in &*FILES_UNVERSIONED { + cx.write_shared(SharedResource::Unversioned { name }, contents, &options.emit)?; } fn collect(path: &Path, krate: &str, key: &str) -> io::Result<(Vec, Vec)> { @@ -312,19 +379,22 @@ pub(super) fn write_shared( } let dst = cx.dst.join(&format!("source-files{}.js", cx.shared.resource_suffix)); - let (mut all_sources, _krates) = - try_err!(collect(&dst, &krate.name.as_str(), "sourcesIndex"), &dst); - all_sources.push(format!( - "sourcesIndex[\"{}\"] = {};", - &krate.name, - hierarchy.to_json_string() - )); - all_sources.sort(); - let v = format!( - "var N = null;var sourcesIndex = {{}};\n{}\ncreateSourceSidebar();\n", - all_sources.join("\n") - ); - cx.shared.fs.write(&dst, v.as_bytes())?; + let make_sources = || { + let (mut all_sources, _krates) = + try_err!(collect(&dst, &krate.name.as_str(), "sourcesIndex"), &dst); + all_sources.push(format!( + "sourcesIndex[\"{}\"] = {};", + &krate.name, + hierarchy.to_json_string() + )); + all_sources.sort(); + Ok(format!( + "var N = null;var sourcesIndex = {{}};\n{}\ncreateSourceSidebar();\n", + all_sources.join("\n") + ) + .into_bytes()) + }; + write_crate("source-files.js", &make_sources)?; } // Update the search index and crate list. @@ -337,17 +407,17 @@ pub(super) fn write_shared( // Sort the indexes by crate so the file will be generated identically even // with rustdoc running in parallel. all_indexes.sort(); - { + write_crate("search-index.js", &|| { let mut v = String::from("var searchIndex = JSON.parse('{\\\n"); v.push_str(&all_indexes.join(",\\\n")); v.push_str("\\\n}');\ninitSearch(searchIndex);"); - cx.shared.fs.write(&dst, &v)?; - } + Ok(v.into_bytes()) + })?; - let crate_list_dst = cx.dst.join(&format!("crates{}.js", cx.shared.resource_suffix)); - let crate_list = - format!("window.ALL_CRATES = [{}];", krates.iter().map(|k| format!("\"{}\"", k)).join(",")); - cx.shared.fs.write(&crate_list_dst, &crate_list)?; + write_crate("crates.js", &|| { + let krates = krates.iter().map(|k| format!("\"{}\"", k)).join(","); + Ok(format!("window.ALL_CRATES = [{}];", krates).into_bytes()) + })?; if options.enable_index_page { if let Some(index_page) = options.index_page.clone() { @@ -481,21 +551,3 @@ pub(super) fn write_shared( } Ok(()) } - -fn write_minify( - fs: &DocFS, - dst: PathBuf, - contents: &str, - enable_minification: bool, -) -> Result<(), Error> { - if enable_minification { - if dst.extension() == Some(&OsStr::new("css")) { - let res = try_none!(minifier::css::minify(contents).ok(), &dst); - fs.write(dst, res.as_bytes()) - } else { - fs.write(dst, minifier::js::minify(contents).as_bytes()) - } - } else { - fs.write(dst, contents.as_bytes()) - } -} diff --git a/src/librustdoc/html/static/COPYRIGHT.txt b/src/librustdoc/html/static/COPYRIGHT.txt index 24bdca6544d6..16d79032fcc6 100644 --- a/src/librustdoc/html/static/COPYRIGHT.txt +++ b/src/librustdoc/html/static/COPYRIGHT.txt @@ -33,14 +33,14 @@ included, and carry their own copyright notices and license terms: Licensed under the SIL Open Font License, Version 1.1. See SourceCodePro-LICENSE.txt. -* Source Serif Pro (SourceSerifPro-Regular.ttf.woff, - SourceSerifPro-Bold.ttf.woff, SourceSerifPro-It.ttf.woff): +* Source Serif 4 (SourceSerif4-Regular.ttf.woff, SourceSerif4-Bold.ttf.woff, + SourceSerif4-It.ttf.woff): - Copyright 2014 Adobe Systems Incorporated (http://www.adobe.com/), with - Reserved Font Name 'Source'. All Rights Reserved. Source is a trademark of - Adobe Systems Incorporated in the United States and/or other countries. + Copyright 2014-2021 Adobe (http://www.adobe.com/), with Reserved Font Name + 'Source'. All Rights Reserved. Source is a trademark of Adobe in the United + States and/or other countries. Licensed under the SIL Open Font License, Version 1.1. - See SourceSerifPro-LICENSE.txt. + See SourceSerif4-LICENSE.md. This copyright file is intended to be distributed with rustdoc output. diff --git a/src/librustdoc/html/static/SourceSerif4-Bold.ttf.woff b/src/librustdoc/html/static/SourceSerif4-Bold.ttf.woff new file mode 100644 index 000000000000..8ad41888e6e3 Binary files /dev/null and b/src/librustdoc/html/static/SourceSerif4-Bold.ttf.woff differ diff --git a/src/librustdoc/html/static/SourceSerif4-It.ttf.woff b/src/librustdoc/html/static/SourceSerif4-It.ttf.woff new file mode 100644 index 000000000000..2a34b5c42a8a Binary files /dev/null and b/src/librustdoc/html/static/SourceSerif4-It.ttf.woff differ diff --git a/src/librustdoc/html/static/SourceSerifPro-LICENSE.md b/src/librustdoc/html/static/SourceSerif4-LICENSE.md similarity index 98% rename from src/librustdoc/html/static/SourceSerifPro-LICENSE.md rename to src/librustdoc/html/static/SourceSerif4-LICENSE.md index 22cb755f2f1d..68ea1892406c 100644 --- a/src/librustdoc/html/static/SourceSerifPro-LICENSE.md +++ b/src/librustdoc/html/static/SourceSerif4-LICENSE.md @@ -1,4 +1,4 @@ -Copyright 2014-2018 Adobe (http://www.adobe.com/), with Reserved Font Name 'Source'. All Rights Reserved. Source is a trademark of Adobe in the United States and/or other countries. +Copyright 2014-2021 Adobe (http://www.adobe.com/), with Reserved Font Name 'Source'. All Rights Reserved. Source is a trademark of Adobe in the United States and/or other countries. This Font Software is licensed under the SIL Open Font License, Version 1.1. diff --git a/src/librustdoc/html/static/SourceSerif4-Regular.ttf.woff b/src/librustdoc/html/static/SourceSerif4-Regular.ttf.woff new file mode 100644 index 000000000000..45a5521ab0c7 Binary files /dev/null and b/src/librustdoc/html/static/SourceSerif4-Regular.ttf.woff differ diff --git a/src/librustdoc/html/static/SourceSerifPro-Bold.ttf.woff b/src/librustdoc/html/static/SourceSerifPro-Bold.ttf.woff deleted file mode 100644 index ca254318fe9e..000000000000 Binary files a/src/librustdoc/html/static/SourceSerifPro-Bold.ttf.woff and /dev/null differ diff --git a/src/librustdoc/html/static/SourceSerifPro-It.ttf.woff b/src/librustdoc/html/static/SourceSerifPro-It.ttf.woff deleted file mode 100644 index a287bbe6ed3f..000000000000 Binary files a/src/librustdoc/html/static/SourceSerifPro-It.ttf.woff and /dev/null differ diff --git a/src/librustdoc/html/static/SourceSerifPro-Regular.ttf.woff b/src/librustdoc/html/static/SourceSerifPro-Regular.ttf.woff deleted file mode 100644 index a3d55cfdf255..000000000000 Binary files a/src/librustdoc/html/static/SourceSerifPro-Regular.ttf.woff and /dev/null differ diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js index da2952bbebdb..80dc6b923f68 100644 --- a/src/librustdoc/html/static/main.js +++ b/src/librustdoc/html/static/main.js @@ -219,6 +219,15 @@ function hideThemeButtonState() { var titleBeforeSearch = document.title; var searchTitle = null; + function removeEmptyStringsFromArray(x) { + for (var i = 0, len = x.length; i < len; ++i) { + if (x[i] === "") { + x.splice(i, 1); + i -= 1; + } + } + } + function clearInputTimeout() { if (searchTimeout !== null) { clearTimeout(searchTimeout); @@ -756,7 +765,7 @@ function hideThemeButtonState() { results = {}, results_in_args = {}, results_returned = {}, split = valLower.split("::"); - split = split.filter(function(segment) { return segment !== ""; }); + removeEmptyStringsFromArray(split); function transformResults(results, isType) { var out = []; @@ -1338,17 +1347,11 @@ function hideThemeButtonState() { var valGenerics = extractGenerics(val); var paths = valLower.split("::"); - var j; - for (j = 0, len = paths.length; j < len; ++j) { - if (paths[j] === "") { - paths.splice(j, 1); - j -= 1; - } - } + removeEmptyStringsFromArray(paths); val = paths[paths.length - 1]; var contains = paths.slice(0, paths.length > 1 ? paths.length - 1 : 1); - var lev; + var lev, j; for (j = 0; j < nSearchWords; ++j) { ty = searchIndex[j]; if (!ty || (filterCrates !== undefined && ty.crate !== filterCrates)) { @@ -3061,3 +3064,28 @@ function hideThemeButtonState() { window.onhashchange = onHashChange; setupSearchLoader(); }()); + +function copy_path(but) { + var parent = but.parentElement; + var path = []; + + onEach(parent.childNodes, function(child) { + if (child.tagName === 'A') { + path.push(child.textContent); + } + }); + + var el = document.createElement('textarea'); + el.value = 'use ' + path.join('::') + ';'; + el.setAttribute('readonly', ''); + // To not make it appear on the screen. + el.style.position = 'absolute'; + el.style.left = '-9999px'; + + document.body.appendChild(el); + el.select(); + document.execCommand('copy'); + document.body.removeChild(el); + + but.textContent = '✓'; +} diff --git a/src/librustdoc/html/static/noscript.css b/src/librustdoc/html/static/noscript.css index c9fed989ec04..4d3332877c0d 100644 --- a/src/librustdoc/html/static/noscript.css +++ b/src/librustdoc/html/static/noscript.css @@ -33,3 +33,8 @@ rules. /* Since there is no toggle (the "[-]") when JS is disabled, no need for this margin either. */ margin-left: 0 !important; } + +#copy-path { + /* It requires JS to work so no need to display it in this case. */ + display: none; +} diff --git a/src/librustdoc/html/static/rustdoc.css b/src/librustdoc/html/static/rustdoc.css index 6c90fd7c9eed..585b7459bd71 100644 --- a/src/librustdoc/html/static/rustdoc.css +++ b/src/librustdoc/html/static/rustdoc.css @@ -18,26 +18,26 @@ font-display: swap; } -/* See SourceSerifPro-LICENSE.txt for the Source Serif Pro license. */ +/* See SourceSerif4-LICENSE.md for the Source Serif 4 license. */ @font-face { - font-family: 'Source Serif Pro'; + font-family: 'Source Serif 4'; font-style: normal; font-weight: 400; - src: local('Source Serif Pro'), url("SourceSerifPro-Regular.ttf.woff") format('woff'); + src: local('Source Serif 4'), url("SourceSerif4-Regular.ttf.woff") format('woff'); font-display: swap; } @font-face { - font-family: 'Source Serif Pro'; + font-family: 'Source Serif 4'; font-style: italic; font-weight: 400; - src: local('Source Serif Pro Italic'), url("SourceSerifPro-It.ttf.woff") format('woff'); + src: local('Source Serif 4 Italic'), url("SourceSerif4-It.ttf.woff") format('woff'); font-display: swap; } @font-face { - font-family: 'Source Serif Pro'; + font-family: 'Source Serif 4'; font-style: normal; font-weight: 700; - src: local('Source Serif Pro Bold'), url("SourceSerifPro-Bold.ttf.woff") format('woff'); + src: local('Source Serif 4 Bold'), url("SourceSerif4-Bold.ttf.woff") format('woff'); font-display: swap; } @@ -90,7 +90,7 @@ html { /* General structure and fonts */ body { - font: 16px/1.4 "Source Serif Pro", serif; + font: 16px/1.4 "Source Serif 4", serif; margin: 0; position: relative; padding: 10px 15px 20px 15px; @@ -173,13 +173,10 @@ code, pre, a.test-arrow { border-radius: 3px; padding: 0 0.1em; } -.docblock pre code, .docblock-short pre code, .docblock code.spotlight { +.docblock pre code, .docblock-short pre code { padding: 0; padding-right: 1ex; } -.docblock code.spotlight :last-child { - padding-bottom: 0.6em; -} pre { padding: 14px; } @@ -424,7 +421,9 @@ nav.sub { text-overflow: ellipsis; margin: 0; } -.docblock-short code { +/* Wrap non-pre code blocks (`text`) but not (```text```). */ +.docblock > :not(pre) > code, +.docblock-short > :not(pre) > code { white-space: pre-wrap; } @@ -1316,20 +1315,29 @@ h4 > .notable-traits { outline: none; } +#theme-picker, #settings-menu, .help-button, #copy-path { + padding: 4px; + width: 27px; + height: 29px; + border: 1px solid; + border-radius: 3px; + cursor: pointer; +} + .help-button { right: 30px; font-family: "Fira Sans", Arial, sans-serif; text-align: center; font-size: 17px; + padding-top: 2px; } -#theme-picker, #settings-menu, .help-button { - padding: 4px; - width: 27px; - height: 29px; - border: 1px solid; - border-radius: 3px; - cursor: pointer; +#copy-path { + height: 30px; + font-size: 18px; + margin-left: 10px; + padding: 0 6px; + width: 28px; } #theme-choices { diff --git a/src/librustdoc/html/static/themes/ayu.css b/src/librustdoc/html/static/themes/ayu.css index 7374aee71f8f..b24f4035ca86 100644 --- a/src/librustdoc/html/static/themes/ayu.css +++ b/src/librustdoc/html/static/themes/ayu.css @@ -498,7 +498,7 @@ kbd { box-shadow-color: #c6cbd1; } -#theme-picker, #settings-menu, .help-button { +#theme-picker, #settings-menu, .help-button, #copy-path { border-color: #5c6773; background-color: #0f1419; color: #fff; @@ -510,7 +510,8 @@ kbd { #theme-picker:hover, #theme-picker:focus, #settings-menu:hover, #settings-menu:focus, -.help-button:hover, .help-button:focus { +.help-button:hover, .help-button:focus, +#copy-path:hover, #copy-path:focus { border-color: #e0e0e0; } diff --git a/src/librustdoc/html/static/themes/dark.css b/src/librustdoc/html/static/themes/dark.css index cf2d28bb43fe..e863ed03f515 100644 --- a/src/librustdoc/html/static/themes/dark.css +++ b/src/librustdoc/html/static/themes/dark.css @@ -388,7 +388,7 @@ kbd { box-shadow-color: #c6cbd1; } -#theme-picker, #settings-menu, .help-button { +#theme-picker, #settings-menu, .help-button, #copy-path { border-color: #e0e0e0; background: #f0f0f0; color: #000; @@ -396,7 +396,8 @@ kbd { #theme-picker:hover, #theme-picker:focus, #settings-menu:hover, #settings-menu:focus, -.help-button:hover, .help-button:focus { +.help-button:hover, .help-button:focus, +#copy-path:hover, #copy-path:focus { border-color: #ffb900; } diff --git a/src/librustdoc/html/static/themes/light.css b/src/librustdoc/html/static/themes/light.css index 7bf6793809c9..9335dd96d299 100644 --- a/src/librustdoc/html/static/themes/light.css +++ b/src/librustdoc/html/static/themes/light.css @@ -380,14 +380,15 @@ kbd { box-shadow-color: #c6cbd1; } -#theme-picker, #settings-menu, .help-button { +#theme-picker, #settings-menu, .help-button, #copy-path { border-color: #e0e0e0; background-color: #fff; } #theme-picker:hover, #theme-picker:focus, #settings-menu:hover, #settings-menu:focus, -.help-button:hover, .help-button:focus { +.help-button:hover, .help-button:focus, +#copy-path:hover, #copy-path:focus { border-color: #717171; } diff --git a/src/librustdoc/html/static_files.rs b/src/librustdoc/html/static_files.rs index 83d4a11e620a..b3ac865d55ea 100644 --- a/src/librustdoc/html/static_files.rs +++ b/src/librustdoc/html/static_files.rs @@ -89,20 +89,19 @@ crate mod fira_sans { crate static LICENSE: &[u8] = include_bytes!("static/FiraSans-LICENSE.txt"); } -/// Files related to the Source Serif Pro font. -crate mod source_serif_pro { - /// The file `SourceSerifPro-Regular.ttf.woff`, the Regular variant of the Source Serif Pro - /// font. - crate static REGULAR: &[u8] = include_bytes!("static/SourceSerifPro-Regular.ttf.woff"); +/// Files related to the Source Serif 4 font. +crate mod source_serif_4 { + /// The file `SourceSerif4-Regular.ttf.woff`, the Regular variant of the Source Serif 4 font. + crate static REGULAR: &[u8] = include_bytes!("static/SourceSerif4-Regular.ttf.woff"); - /// The file `SourceSerifPro-Bold.ttf.woff`, the Bold variant of the Source Serif Pro font. - crate static BOLD: &[u8] = include_bytes!("static/SourceSerifPro-Bold.ttf.woff"); + /// The file `SourceSerif4-Bold.ttf.woff`, the Bold variant of the Source Serif 4 font. + crate static BOLD: &[u8] = include_bytes!("static/SourceSerif4-Bold.ttf.woff"); - /// The file `SourceSerifPro-It.ttf.woff`, the Italic variant of the Source Serif Pro font. - crate static ITALIC: &[u8] = include_bytes!("static/SourceSerifPro-It.ttf.woff"); + /// The file `SourceSerif4-It.ttf.woff`, the Italic variant of the Source Serif 4 font. + crate static ITALIC: &[u8] = include_bytes!("static/SourceSerif4-It.ttf.woff"); - /// The file `SourceSerifPro-LICENSE.txt`, the license text for the Source Serif Pro font. - crate static LICENSE: &[u8] = include_bytes!("static/SourceSerifPro-LICENSE.md"); + /// The file `SourceSerif4-LICENSE.txt`, the license text for the Source Serif 4 font. + crate static LICENSE: &[u8] = include_bytes!("static/SourceSerif4-LICENSE.md"); } /// Files related to the Source Code Pro font. diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index c470dc570051..10d5b9807b01 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -24,6 +24,16 @@ use std::collections::HashSet; impl JsonRenderer<'_> { pub(super) fn convert_item(&self, item: clean::Item) -> Option { let deprecation = item.deprecation(self.tcx); + let links = self + .cache + .intra_doc_links + .get(&item.def_id) + .into_iter() + .flatten() + .filter_map(|clean::ItemLink { link, did, .. }| { + did.map(|did| (link.clone(), from_def_id(did))) + }) + .collect(); let clean::Item { span, name, attrs, kind, visibility, def_id } = item; let inner = match *kind { clean::StrippedItem(_) => return None, @@ -36,13 +46,6 @@ impl JsonRenderer<'_> { span: self.convert_span(span), visibility: self.convert_visibility(visibility), docs: attrs.collapsed_doc_value(), - links: attrs - .links - .into_iter() - .filter_map(|clean::ItemLink { link, did, .. }| { - did.map(|did| (link, from_def_id(did))) - }) - .collect(), attrs: attrs .other_attrs .iter() @@ -50,6 +53,7 @@ impl JsonRenderer<'_> { .collect(), deprecation: deprecation.map(from_deprecation), inner, + links, }) } diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index dabc21e3a447..b9c4bbdceb27 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -30,7 +30,9 @@ extern crate tracing; // So if `rustc` was specified in Cargo.toml, this would spuriously rebuild crates. // // Dependencies listed in Cargo.toml do not need `extern crate`. + extern crate rustc_ast; +extern crate rustc_ast_lowering; extern crate rustc_ast_pretty; extern crate rustc_attr; extern crate rustc_data_structures; @@ -59,11 +61,20 @@ extern crate rustc_trait_selection; extern crate rustc_typeck; extern crate test as testing; +#[cfg(feature = "jemalloc")] +extern crate tikv_jemalloc_sys; +#[cfg(feature = "jemalloc")] +use tikv_jemalloc_sys as jemalloc_sys; +#[cfg(feature = "jemalloc")] +extern crate tikv_jemallocator; +#[cfg(feature = "jemalloc")] +use tikv_jemallocator as jemallocator; + use std::default::Default; use std::env; use std::process; -use rustc_driver::abort_on_err; +use rustc_driver::{abort_on_err, describe_lints}; use rustc_errors::ErrorReported; use rustc_interface::interface; use rustc_middle::ty::TyCtxt; @@ -71,6 +82,8 @@ use rustc_session::config::{make_crate_type_option, ErrorOutputType, RustcOptGro use rustc_session::getopts; use rustc_session::{early_error, early_warn}; +use crate::clean::utils::doc_rust_lang_org_channel; + /// A macro to create a FxHashMap. /// /// Example: @@ -112,7 +125,48 @@ mod theme; mod visit_ast; mod visit_lib; +// See docs in https://github.com/rust-lang/rust/blob/master/compiler/rustc/src/main.rs +// about jemallocator +#[cfg(feature = "jemalloc")] +#[global_allocator] +static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc; + pub fn main() { + // See docs in https://github.com/rust-lang/rust/blob/master/compiler/rustc/src/main.rs + // about jemalloc-sys + #[cfg(feature = "jemalloc")] + { + use std::os::raw::{c_int, c_void}; + + #[used] + static _F1: unsafe extern "C" fn(usize, usize) -> *mut c_void = jemalloc_sys::calloc; + #[used] + static _F2: unsafe extern "C" fn(*mut *mut c_void, usize, usize) -> c_int = + jemalloc_sys::posix_memalign; + #[used] + static _F3: unsafe extern "C" fn(usize, usize) -> *mut c_void = jemalloc_sys::aligned_alloc; + #[used] + static _F4: unsafe extern "C" fn(usize) -> *mut c_void = jemalloc_sys::malloc; + #[used] + static _F5: unsafe extern "C" fn(*mut c_void, usize) -> *mut c_void = jemalloc_sys::realloc; + #[used] + static _F6: unsafe extern "C" fn(*mut c_void) = jemalloc_sys::free; + + // On OSX, jemalloc doesn't directly override malloc/free, but instead + // registers itself with the allocator's zone APIs in a ctor. However, + // the linker doesn't seem to consider ctors as "used" when statically + // linking, so we need to explicitly depend on the function. + #[cfg(target_os = "macos")] + { + extern "C" { + fn _rjem_je_zone_register(); + } + + #[used] + static _F7: unsafe extern "C" fn() = _rjem_je_zone_register; + } + } + rustc_driver::set_sigpipe_handler(); rustc_driver::install_ice_hook(); @@ -527,6 +581,14 @@ fn opts() -> Vec { unstable("print", |o| { o.optmulti("", "print", "Rustdoc information to print on stdout", "[unversioned-files]") }), + unstable("emit", |o| { + o.optmulti( + "", + "emit", + "Comma separated list of types of output for rustdoc to emit", + "[unversioned-shared-resources,toolchain-shared-resources,invocation-specific]", + ) + }), ] } @@ -537,7 +599,10 @@ fn usage(argv0: &str) { } println!("{}", options.usage(&format!("{} [options] ", argv0))); println!(" @path Read newline separated options from `path`\n"); - println!("More information available at https://doc.rust-lang.org/rustdoc/what-is-rustdoc.html") + println!( + "More information available at https://doc.rust-lang.org/{}/rustdoc/what-is-rustdoc.html", + doc_rust_lang_org_channel() + ); } /// A result type used by several functions under `main()`. @@ -637,7 +702,6 @@ fn main_options(options: config::Options) -> MainResult { let default_passes = options.default_passes; let output_format = options.output_format; // FIXME: fix this clone (especially render_options) - let externs = options.externs.clone(); let manual_passes = options.manual_passes.clone(); let render_options = options.render_options.clone(); let config = core::create_config(options); @@ -646,10 +710,16 @@ fn main_options(options: config::Options) -> MainResult { compiler.enter(|queries| { let sess = compiler.session(); + if sess.opts.describe_lints { + let (_, lint_store) = &*queries.register_plugins()?.peek(); + describe_lints(sess, lint_store, true); + return Ok(()); + } + // We need to hold on to the complete resolver, so we cause everything to be // cloned for the analysis passes to use. Suboptimal, but necessary in the // current architecture. - let resolver = core::create_resolver(externs, queries, &sess); + let resolver = core::create_resolver(queries, &sess); if sess.has_errors() { sess.fatal("Compilation failed, aborting rustdoc"); diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index 499931f7e963..4bc7544e33d1 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -251,6 +251,7 @@ struct ResolutionInfo { extra_fragment: Option, } +#[derive(Clone)] struct DiagnosticInfo<'a> { item: &'a Item, dox: &'a str, @@ -368,55 +369,28 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { } /// Given a primitive type, try to resolve an associated item. - /// - /// HACK(jynelson): `item_str` is passed in instead of derived from `item_name` so the - /// lifetimes on `&'path` will work. fn resolve_primitive_associated_item( &self, prim_ty: PrimitiveType, ns: Namespace, - module_id: DefId, item_name: Symbol, - item_str: &'path str, - ) -> Result<(Res, Option), ErrorKind<'path>> { + ) -> Option<(Res, String, Option<(DefKind, DefId)>)> { let tcx = self.cx.tcx; - prim_ty - .impls(tcx) - .into_iter() - .find_map(|&impl_| { - tcx.associated_items(impl_) - .find_by_name_and_namespace(tcx, Ident::with_dummy_span(item_name), ns, impl_) - .map(|item| { - let kind = item.kind; - self.kind_side_channel.set(Some((kind.as_def_kind(), item.def_id))); - match kind { - ty::AssocKind::Fn => "method", - ty::AssocKind::Const => "associatedconstant", - ty::AssocKind::Type => "associatedtype", - } - }) - .map(|out| { - ( - Res::Primitive(prim_ty), - Some(format!("{}#{}.{}", prim_ty.as_str(), out, item_str)), - ) - }) - }) - .ok_or_else(|| { - debug!( - "returning primitive error for {}::{} in {} namespace", - prim_ty.as_str(), - item_name, - ns.descr() - ); - ResolutionFailure::NotResolved { - module_id, - partial_res: Some(Res::Primitive(prim_ty)), - unresolved: item_str.into(), - } - .into() - }) + prim_ty.impls(tcx).into_iter().find_map(|&impl_| { + tcx.associated_items(impl_) + .find_by_name_and_namespace(tcx, Ident::with_dummy_span(item_name), ns, impl_) + .map(|item| { + let kind = item.kind; + let out = match kind { + ty::AssocKind::Fn => "method", + ty::AssocKind::Const => "associatedconstant", + ty::AssocKind::Type => "associatedtype", + }; + let fragment = format!("{}#{}.{}", prim_ty.as_str(), out, item_name); + (Res::Primitive(prim_ty), fragment, Some((kind.as_def_kind(), item.def_id))) + }) + }) } /// Resolves a string as a macro. @@ -490,8 +464,6 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { module_id: DefId, extra_fragment: &Option, ) -> Result<(Res, Option), ErrorKind<'path>> { - let tcx = self.cx.tcx; - if let Some(res) = self.resolve_path(path_str, ns, module_id) { match res { // FIXME(#76467): make this fallthrough to lookup the associated @@ -534,29 +506,58 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { } })?; - // FIXME: are these both necessary? - let ty_res = if let Some(ty_res) = resolve_primitive(&path_root, TypeNS) + // FIXME(#83862): this arbitrarily gives precedence to primitives over modules to support + // links to primitives when `#[doc(primitive)]` is present. It should give an ambiguity + // error instead and special case *only* modules with `#[doc(primitive)]`, not all + // primitives. + resolve_primitive(&path_root, TypeNS) .or_else(|| self.resolve_path(&path_root, TypeNS, module_id)) - { - ty_res - } else { - // FIXME: this is duplicated on the end of this function. - return if ns == Namespace::ValueNS { - self.variant_field(path_str, module_id) - } else { - Err(ResolutionFailure::NotResolved { - module_id, - partial_res: None, - unresolved: path_root.into(), + .and_then(|ty_res| { + let (res, fragment, side_channel) = + self.resolve_associated_item(ty_res, item_name, ns, module_id)?; + let result = if extra_fragment.is_some() { + let diag_res = side_channel.map_or(res, |(k, r)| Res::Def(k, r)); + Err(ErrorKind::AnchorFailure(AnchorFailure::RustdocAnchorConflict(diag_res))) + } else { + // HACK(jynelson): `clean` expects the type, not the associated item + // but the disambiguator logic expects the associated item. + // Store the kind in a side channel so that only the disambiguator logic looks at it. + if let Some((kind, id)) = side_channel { + self.kind_side_channel.set(Some((kind, id))); + } + Ok((res, Some(fragment))) + }; + Some(result) + }) + .unwrap_or_else(|| { + if ns == Namespace::ValueNS { + self.variant_field(path_str, module_id) + } else { + Err(ResolutionFailure::NotResolved { + module_id, + partial_res: None, + unresolved: path_root.into(), + } + .into()) } - .into()) - }; - }; + }) + } - let res = match ty_res { - Res::Primitive(prim) => Some( - self.resolve_primitive_associated_item(prim, ns, module_id, item_name, item_str), - ), + /// Returns: + /// - None if no associated item was found + /// - Some((_, _, Some(_))) if an item was found and should go through a side channel + /// - Some((_, _, None)) otherwise + fn resolve_associated_item( + &mut self, + root_res: Res, + item_name: Symbol, + ns: Namespace, + module_id: DefId, + ) -> Option<(Res, String, Option<(DefKind, DefId)>)> { + let tcx = self.cx.tcx; + + match root_res { + Res::Primitive(prim) => self.resolve_primitive_associated_item(prim, ns, item_name), Res::Def( DefKind::Struct | DefKind::Union @@ -599,59 +600,42 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { ty::AssocKind::Const => "associatedconstant", ty::AssocKind::Type => "associatedtype", }; - Some(if extra_fragment.is_some() { - Err(ErrorKind::AnchorFailure(AnchorFailure::RustdocAnchorConflict(ty_res))) - } else { - // HACK(jynelson): `clean` expects the type, not the associated item - // but the disambiguator logic expects the associated item. - // Store the kind in a side channel so that only the disambiguator logic looks at it. - self.kind_side_channel.set(Some((kind.as_def_kind(), id))); - Ok((ty_res, Some(format!("{}.{}", out, item_str)))) - }) - } else if ns == Namespace::ValueNS { - debug!("looking for variants or fields named {} for {:?}", item_name, did); - // FIXME(jynelson): why is this different from - // `variant_field`? - match tcx.type_of(did).kind() { - ty::Adt(def, _) => { - let field = if def.is_enum() { - def.all_fields().find(|item| item.ident.name == item_name) - } else { - def.non_enum_variant() - .fields - .iter() - .find(|item| item.ident.name == item_name) - }; - field.map(|item| { - if extra_fragment.is_some() { - let res = Res::Def( - if def.is_enum() { - DefKind::Variant - } else { - DefKind::Field - }, - item.did, - ); - Err(ErrorKind::AnchorFailure( - AnchorFailure::RustdocAnchorConflict(res), - )) - } else { - Ok(( - ty_res, - Some(format!( - "{}.{}", - if def.is_enum() { "variant" } else { "structfield" }, - item.ident - )), - )) - } - }) - } - _ => None, - } - } else { - None + // HACK(jynelson): `clean` expects the type, not the associated item + // but the disambiguator logic expects the associated item. + // Store the kind in a side channel so that only the disambiguator logic looks at it. + return Some(( + root_res, + format!("{}.{}", out, item_name), + Some((kind.as_def_kind(), id)), + )); + } + + if ns != Namespace::ValueNS { + return None; } + debug!("looking for variants or fields named {} for {:?}", item_name, did); + // FIXME: this doesn't really belong in `associated_item` (maybe `variant_field` is better?) + // NOTE: it's different from variant_field because it resolves fields and variants, + // not variant fields (2 path segments, not 3). + let def = match tcx.type_of(did).kind() { + ty::Adt(def, _) => def, + _ => return None, + }; + let field = if def.is_enum() { + def.all_fields().find(|item| item.ident.name == item_name) + } else { + def.non_enum_variant().fields.iter().find(|item| item.ident.name == item_name) + }?; + let kind = if def.is_enum() { DefKind::Variant } else { DefKind::Field }; + Some(( + root_res, + format!( + "{}.{}", + if def.is_enum() { "variant" } else { "structfield" }, + field.ident + ), + Some((kind, field.did)), + )) } Res::Def(DefKind::Trait, did) => tcx .associated_items(did) @@ -669,27 +653,11 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { } }; - if extra_fragment.is_some() { - Err(ErrorKind::AnchorFailure(AnchorFailure::RustdocAnchorConflict(ty_res))) - } else { - let res = Res::Def(item.kind.as_def_kind(), item.def_id); - Ok((res, Some(format!("{}.{}", kind, item_str)))) - } + let res = Res::Def(item.kind.as_def_kind(), item.def_id); + (res, format!("{}.{}", kind, item_name), None) }), _ => None, - }; - res.unwrap_or_else(|| { - if ns == Namespace::ValueNS { - self.variant_field(path_str, module_id) - } else { - Err(ResolutionFailure::NotResolved { - module_id, - partial_res: Some(ty_res), - unresolved: item_str.into(), - } - .into()) - } - }) + } } /// Used for reporting better errors. @@ -820,7 +788,7 @@ fn is_derive_trait_collision(ns: &PerNS DocFolder for LinkCollector<'a, 'tcx> { - fn fold_item(&mut self, mut item: Item) -> Option { + fn fold_item(&mut self, item: Item) -> Option { use rustc_middle::ty::DefIdTree; let parent_node = if item.is_fake() { @@ -905,7 +873,7 @@ impl<'a, 'tcx> DocFolder for LinkCollector<'a, 'tcx> { for md_link in markdown_links(&doc) { let link = self.resolve_link(&item, &doc, &self_name, parent_node, krate, md_link); if let Some(link) = link { - item.attrs.links.push(link); + self.cx.cache.intra_doc_links.entry(item.def_id).or_default().push(link); } } } @@ -949,18 +917,19 @@ impl LinkCollector<'_, '_> { return None; } + let diag_info = DiagnosticInfo { + item, + dox, + ori_link: &ori_link.link, + link_range: ori_link.range.clone(), + }; + let link = ori_link.link.replace("`", ""); + let no_backticks_range = range_between_backticks(&ori_link); let parts = link.split('#').collect::>(); let (link, extra_fragment) = if parts.len() > 2 { // A valid link can't have multiple #'s - anchor_failure( - self.cx, - &item, - &link, - dox, - ori_link.range, - AnchorFailure::MultipleAnchors, - ); + anchor_failure(self.cx, diag_info, AnchorFailure::MultipleAnchors); return None; } else if parts.len() == 2 { if parts[0].trim().is_empty() { @@ -973,13 +942,22 @@ impl LinkCollector<'_, '_> { }; // Parse and strip the disambiguator from the link, if present. - let (mut path_str, disambiguator) = if let Ok((d, path)) = Disambiguator::from_str(&link) { - (path.trim(), Some(d)) - } else { - (link.trim(), None) + let (mut path_str, disambiguator) = match Disambiguator::from_str(&link) { + Ok(Some((d, path))) => (path.trim(), Some(d)), + Ok(None) => (link.trim(), None), + Err((err_msg, relative_range)) => { + if !should_ignore_link_with_disambiguators(link) { + // Only report error if we would not have ignored this link. + // See issue #83859. + let disambiguator_range = (no_backticks_range.start + relative_range.start) + ..(no_backticks_range.start + relative_range.end); + disambiguator_error(self.cx, diag_info, disambiguator_range, &err_msg); + } + return None; + } }; - if path_str.contains(|ch: char| !(ch.is_alphanumeric() || ":_<>, !*&;".contains(ch))) { + if should_ignore_link(path_str) { return None; } @@ -1012,11 +990,9 @@ impl LinkCollector<'_, '_> { debug!("attempting to resolve item without parent module: {}", path_str); resolution_failure( self, - &item, + diag_info, path_str, disambiguator, - dox, - ori_link.range, smallvec![ResolutionFailure::NoParentItem], ); return None; @@ -1062,11 +1038,9 @@ impl LinkCollector<'_, '_> { debug!("link has malformed generics: {}", path_str); resolution_failure( self, - &item, + diag_info, path_str, disambiguator, - dox, - ori_link.range, smallvec![err_kind], ); return None; @@ -1082,12 +1056,6 @@ impl LinkCollector<'_, '_> { return None; } - let diag_info = DiagnosticInfo { - item, - dox, - ori_link: &ori_link.link, - link_range: ori_link.range.clone(), - }; let (mut res, mut fragment) = self.resolve_with_disambiguator_cached( ResolutionInfo { module_id, @@ -1095,7 +1063,7 @@ impl LinkCollector<'_, '_> { path_str: path_str.to_owned(), extra_fragment, }, - diag_info, + diag_info.clone(), // this struct should really be Copy, but Range is not :( matches!(ori_link.kind, LinkType::Reference | LinkType::Shortcut), )?; @@ -1113,10 +1081,7 @@ impl LinkCollector<'_, '_> { if fragment.is_some() { anchor_failure( self.cx, - &item, - path_str, - dox, - ori_link.range, + diag_info, AnchorFailure::RustdocAnchorConflict(prim), ); return None; @@ -1126,7 +1091,7 @@ impl LinkCollector<'_, '_> { } else { // `[char]` when a `char` module is in scope let candidates = vec![res, prim]; - ambiguity_error(self.cx, &item, path_str, dox, ori_link.range, candidates); + ambiguity_error(self.cx, diag_info, path_str, candidates); return None; } } @@ -1146,15 +1111,7 @@ impl LinkCollector<'_, '_> { diag.note(¬e); suggest_disambiguator(resolved, diag, path_str, dox, sp, &ori_link.range); }; - report_diagnostic( - self.cx.tcx, - BROKEN_INTRA_DOC_LINKS, - &msg, - &item, - dox, - &ori_link.range, - callback, - ); + report_diagnostic(self.cx.tcx, BROKEN_INTRA_DOC_LINKS, &msg, &diag_info, callback); }; let verify = |kind: DefKind, id: DefId| { @@ -1194,7 +1151,7 @@ impl LinkCollector<'_, '_> { if self.cx.tcx.privacy_access_levels(LOCAL_CRATE).is_exported(hir_src) && !self.cx.tcx.privacy_access_levels(LOCAL_CRATE).is_exported(hir_dst) { - privacy_error(self.cx, &item, &path_str, dox, &ori_link); + privacy_error(self.cx, &diag_info, &path_str); } } @@ -1335,29 +1292,14 @@ impl LinkCollector<'_, '_> { } } } - resolution_failure( - self, - diag.item, - path_str, - disambiguator, - diag.dox, - diag.link_range, - smallvec![kind], - ); + resolution_failure(self, diag, path_str, disambiguator, smallvec![kind]); // This could just be a normal link or a broken link // we could potentially check if something is // "intra-doc-link-like" and warn in that case. None } Err(ErrorKind::AnchorFailure(msg)) => { - anchor_failure( - self.cx, - diag.item, - diag.ori_link, - diag.dox, - diag.link_range, - msg, - ); + anchor_failure(self.cx, diag, msg); None } } @@ -1374,14 +1316,7 @@ impl LinkCollector<'_, '_> { Ok(res) } Err(ErrorKind::AnchorFailure(msg)) => { - anchor_failure( - self.cx, - diag.item, - diag.ori_link, - diag.dox, - diag.link_range, - msg, - ); + anchor_failure(self.cx, diag, msg); return None; } Err(ErrorKind::Resolve(box kind)) => Err(kind), @@ -1389,14 +1324,7 @@ impl LinkCollector<'_, '_> { value_ns: match self.resolve(path_str, ValueNS, base_node, extra_fragment) { Ok(res) => Ok(res), Err(ErrorKind::AnchorFailure(msg)) => { - anchor_failure( - self.cx, - diag.item, - diag.ori_link, - diag.dox, - diag.link_range, - msg, - ); + anchor_failure(self.cx, diag, msg); return None; } Err(ErrorKind::Resolve(box kind)) => Err(kind), @@ -1425,11 +1353,9 @@ impl LinkCollector<'_, '_> { if len == 0 { resolution_failure( self, - diag.item, + diag, path_str, disambiguator, - diag.dox, - diag.link_range, candidates.into_iter().filter_map(|res| res.err()).collect(), ); // this could just be a normal link @@ -1446,14 +1372,7 @@ impl LinkCollector<'_, '_> { } // If we're reporting an ambiguity, don't mention the namespaces that failed let candidates = candidates.map(|candidate| candidate.ok().map(|(res, _)| res)); - ambiguity_error( - self.cx, - diag.item, - path_str, - diag.dox, - diag.link_range, - candidates.present_items().collect(), - ); + ambiguity_error(self.cx, diag, path_str, candidates.present_items().collect()); None } } @@ -1471,15 +1390,7 @@ impl LinkCollector<'_, '_> { break; } } - resolution_failure( - self, - diag.item, - path_str, - disambiguator, - diag.dox, - diag.link_range, - smallvec![kind], - ); + resolution_failure(self, diag, path_str, disambiguator, smallvec![kind]); None } } @@ -1488,9 +1399,46 @@ impl LinkCollector<'_, '_> { } } +/// Get the section of a link between the backticks, +/// or the whole link if there aren't any backticks. +/// +/// For example: +/// +/// ```text +/// [`Foo`] +/// ^^^ +/// ``` +fn range_between_backticks(ori_link: &MarkdownLink) -> Range { + let after_first_backtick_group = ori_link.link.bytes().position(|b| b != b'`').unwrap_or(0); + let before_second_backtick_group = ori_link + .link + .bytes() + .skip(after_first_backtick_group) + .position(|b| b == b'`') + .unwrap_or(ori_link.link.len()); + (ori_link.range.start + after_first_backtick_group) + ..(ori_link.range.start + before_second_backtick_group) +} + +/// Returns true if we should ignore `link` due to it being unlikely +/// that it is an intra-doc link. `link` should still have disambiguators +/// if there were any. +/// +/// The difference between this and [`should_ignore_link()`] is that this +/// check should only be used on links that still have disambiguators. +fn should_ignore_link_with_disambiguators(link: &str) -> bool { + link.contains(|ch: char| !(ch.is_alphanumeric() || ":_<>, !*&;@()".contains(ch))) +} + +/// Returns true if we should ignore `path_str` due to it being unlikely +/// that it is an intra-doc link. +fn should_ignore_link(path_str: &str) -> bool { + path_str.contains(|ch: char| !(ch.is_alphanumeric() || ":_<>, !*&;".contains(ch))) +} + #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] /// Disambiguators for a link. -enum Disambiguator { +crate enum Disambiguator { /// `prim@` /// /// This is buggy, see @@ -1514,27 +1462,14 @@ impl Disambiguator { } } - /// Given a link, parse and return `(disambiguator, path_str)` - fn from_str(link: &str) -> Result<(Self, &str), ()> { + /// Given a link, parse and return `(disambiguator, path_str)`. + /// + /// This returns `Ok(Some(...))` if a disambiguator was found, + /// `Ok(None)` if no disambiguator was found, or `Err(...)` + /// if there was a problem with the disambiguator. + crate fn from_str(link: &str) -> Result, (String, Range)> { use Disambiguator::{Kind, Namespace as NS, Primitive}; - let find_suffix = || { - let suffixes = [ - ("!()", DefKind::Macro(MacroKind::Bang)), - ("()", DefKind::Fn), - ("!", DefKind::Macro(MacroKind::Bang)), - ]; - for &(suffix, kind) in &suffixes { - if let Some(link) = link.strip_suffix(suffix) { - // Avoid turning `!` or `()` into an empty string - if !link.is_empty() { - return Ok((Kind(kind), link)); - } - } - } - Err(()) - }; - if let Some(idx) = link.find('@') { let (prefix, rest) = link.split_at(idx); let d = match prefix { @@ -1551,11 +1486,24 @@ impl Disambiguator { "value" => NS(Namespace::ValueNS), "macro" => NS(Namespace::MacroNS), "prim" | "primitive" => Primitive, - _ => return find_suffix(), + _ => return Err((format!("unknown disambiguator `{}`", prefix), 0..idx)), }; - Ok((d, &rest[1..])) + Ok(Some((d, &rest[1..]))) } else { - find_suffix() + let suffixes = [ + ("!()", DefKind::Macro(MacroKind::Bang)), + ("()", DefKind::Fn), + ("!", DefKind::Macro(MacroKind::Bang)), + ]; + for &(suffix, kind) in &suffixes { + if let Some(link) = link.strip_suffix(suffix) { + // Avoid turning `!` or `()` into an empty string + if !link.is_empty() { + return Ok(Some((Kind(kind), link))); + } + } + } + Ok(None) } } @@ -1676,9 +1624,7 @@ fn report_diagnostic( tcx: TyCtxt<'_>, lint: &'static Lint, msg: &str, - item: &Item, - dox: &str, - link_range: &Range, + DiagnosticInfo { item, ori_link: _, dox, link_range }: &DiagnosticInfo<'_>, decorate: impl FnOnce(&mut DiagnosticBuilder<'_>, Option), ) { let hir_id = match DocContext::as_local_hir_id(tcx, item.def_id) { @@ -1732,11 +1678,9 @@ fn report_diagnostic( /// `std::io::Error::x`, this will resolve `std::io::Error`. fn resolution_failure( collector: &mut LinkCollector<'_, '_>, - item: &Item, + diag_info: DiagnosticInfo<'_>, path_str: &str, disambiguator: Option, - dox: &str, - link_range: Range, kinds: SmallVec<[ResolutionFailure<'_>; 3]>, ) { let tcx = collector.cx.tcx; @@ -1744,9 +1688,7 @@ fn resolution_failure( tcx, BROKEN_INTRA_DOC_LINKS, &format!("unresolved link to `{}`", path_str), - item, - dox, - &link_range, + &diag_info, |diag, sp| { let item = |res: Res| format!("the {} `{}`", res.descr(), res.name(tcx),); let assoc_item_not_allowed = |res: Res| { @@ -1906,9 +1848,9 @@ fn resolution_failure( disambiguator, diag, path_str, - dox, + diag_info.dox, sp, - &link_range, + &diag_info.link_range, ) } @@ -1955,37 +1897,48 @@ fn resolution_failure( } /// Report an anchor failure. -fn anchor_failure( - cx: &DocContext<'_>, - item: &Item, - path_str: &str, - dox: &str, - link_range: Range, - failure: AnchorFailure, -) { +fn anchor_failure(cx: &DocContext<'_>, diag_info: DiagnosticInfo<'_>, failure: AnchorFailure) { let msg = match failure { - AnchorFailure::MultipleAnchors => format!("`{}` contains multiple anchors", path_str), + AnchorFailure::MultipleAnchors => { + format!("`{}` contains multiple anchors", diag_info.ori_link) + } AnchorFailure::RustdocAnchorConflict(res) => format!( "`{}` contains an anchor, but links to {kind}s are already anchored", - path_str, + diag_info.ori_link, kind = res.descr(), ), }; - report_diagnostic(cx.tcx, BROKEN_INTRA_DOC_LINKS, &msg, item, dox, &link_range, |diag, sp| { + report_diagnostic(cx.tcx, BROKEN_INTRA_DOC_LINKS, &msg, &diag_info, |diag, sp| { if let Some(sp) = sp { diag.span_label(sp, "contains invalid anchor"); } }); } +/// Report an error in the link disambiguator. +fn disambiguator_error( + cx: &DocContext<'_>, + mut diag_info: DiagnosticInfo<'_>, + disambiguator_range: Range, + msg: &str, +) { + diag_info.link_range = disambiguator_range; + report_diagnostic(cx.tcx, BROKEN_INTRA_DOC_LINKS, msg, &diag_info, |diag, _sp| { + let msg = format!( + "see https://doc.rust-lang.org/{}/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators \ + for more info about disambiguators", + crate::doc_rust_lang_org_channel(), + ); + diag.note(&msg); + }); +} + /// Report an ambiguity error, where there were multiple possible resolutions. fn ambiguity_error( cx: &DocContext<'_>, - item: &Item, + diag_info: DiagnosticInfo<'_>, path_str: &str, - dox: &str, - link_range: Range, candidates: Vec, ) { let mut msg = format!("`{}` is ", path_str); @@ -2012,7 +1965,7 @@ fn ambiguity_error( } } - report_diagnostic(cx.tcx, BROKEN_INTRA_DOC_LINKS, &msg, item, dox, &link_range, |diag, sp| { + report_diagnostic(cx.tcx, BROKEN_INTRA_DOC_LINKS, &msg, &diag_info, |diag, sp| { if let Some(sp) = sp { diag.span_label(sp, "ambiguous link"); } else { @@ -2021,7 +1974,14 @@ fn ambiguity_error( for res in candidates { let disambiguator = Disambiguator::from_res(res); - suggest_disambiguator(disambiguator, diag, path_str, dox, sp, &link_range); + suggest_disambiguator( + disambiguator, + diag, + path_str, + diag_info.dox, + sp, + &diag_info.link_range, + ); } }); } @@ -2053,9 +2013,9 @@ fn suggest_disambiguator( } /// Report a link from a public item to a private one. -fn privacy_error(cx: &DocContext<'_>, item: &Item, path_str: &str, dox: &str, link: &MarkdownLink) { +fn privacy_error(cx: &DocContext<'_>, diag_info: &DiagnosticInfo<'_>, path_str: &str) { let sym; - let item_name = match item.name { + let item_name = match diag_info.item.name { Some(name) => { sym = name.as_str(); &*sym @@ -2065,7 +2025,7 @@ fn privacy_error(cx: &DocContext<'_>, item: &Item, path_str: &str, dox: &str, li let msg = format!("public documentation for `{}` links to private item `{}`", item_name, path_str); - report_diagnostic(cx.tcx, PRIVATE_INTRA_DOC_LINKS, &msg, item, dox, &link.range, |diag, sp| { + report_diagnostic(cx.tcx, PRIVATE_INTRA_DOC_LINKS, &msg, diag_info, |diag, sp| { if let Some(sp) = sp { diag.span_label(sp, "this item is private"); } diff --git a/src/librustdoc/passes/mod.rs b/src/librustdoc/passes/mod.rs index 4c639c8496db..755217a4629f 100644 --- a/src/librustdoc/passes/mod.rs +++ b/src/librustdoc/passes/mod.rs @@ -30,7 +30,7 @@ crate use self::unindent_comments::UNINDENT_COMMENTS; mod propagate_doc_cfg; crate use self::propagate_doc_cfg::PROPAGATE_DOC_CFG; -mod collect_intra_doc_links; +crate mod collect_intra_doc_links; crate use self::collect_intra_doc_links::COLLECT_INTRA_DOC_LINKS; mod doc_test_lints; diff --git a/src/librustdoc/visit_ast.rs b/src/librustdoc/visit_ast.rs index 17a66d1788e6..ca30d8f0d462 100644 --- a/src/librustdoc/visit_ast.rs +++ b/src/librustdoc/visit_ast.rs @@ -72,10 +72,10 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> { crate fn visit(mut self, krate: &'tcx hir::Crate<'_>) -> Module<'tcx> { let mut top_level_module = self.visit_mod_contents( - krate.item.span, + krate.item.inner, &Spanned { span: rustc_span::DUMMY_SP, node: hir::VisibilityKind::Public }, hir::CRATE_HIR_ID, - &krate.item.module, + &krate.item, self.cx.tcx.crate_name, ); top_level_module.is_crate = true; diff --git a/src/llvm-project b/src/llvm-project index c3a26cbf6e73..171991e30966 160000 --- a/src/llvm-project +++ b/src/llvm-project @@ -1 +1 @@ -Subproject commit c3a26cbf6e73f2c5f8d03cee1f151d90a266ef3c +Subproject commit 171991e30966695fd118c90ebbb2eeec5098ccce diff --git a/src/stage0.txt b/src/stage0.txt index 4a53d1a60d17..6ad0f6db42b9 100644 --- a/src/stage0.txt +++ b/src/stage0.txt @@ -12,14 +12,14 @@ # stable release's version number. `date` is the date where the release we're # bootstrapping off was released. -date: 2021-02-14 +date: 2021-04-07 rustc: beta # We use a nightly rustfmt to format the source because it solves some # bootstrapping issues with use of new syntax in this repo. If you're looking at # the beta/stable branch, this key should be omitted, as we don't want to depend # on rustfmt from nightly there. -rustfmt: nightly-2021-01-28 +rustfmt: nightly-2021-03-25 # When making a stable release the process currently looks like: # diff --git a/src/test/assembly/asm/x86-types.rs b/src/test/assembly/asm/x86-types.rs index e0190d3bdaed..b65b727d2255 100644 --- a/src/test/assembly/asm/x86-types.rs +++ b/src/test/assembly/asm/x86-types.rs @@ -748,10 +748,11 @@ check_reg!(eax_f64 f64 "eax" "mov"); // CHECK: #NO_APP check_reg!(eax_ptr ptr "eax" "mov"); -// CHECK-LABEL: ah_byte: -// CHECK: #APP -// CHECK: mov ah, ah -// CHECK: #NO_APP +// i686-LABEL: ah_byte: +// i686: #APP +// i686: mov ah, ah +// i686: #NO_APP +#[cfg(i686)] check_reg!(ah_byte i8 "ah" "mov"); // CHECK-LABEL: xmm0_i32: diff --git a/src/test/assembly/static-relocation-model.rs b/src/test/assembly/static-relocation-model.rs new file mode 100644 index 000000000000..0463045c1568 --- /dev/null +++ b/src/test/assembly/static-relocation-model.rs @@ -0,0 +1,44 @@ +// min-llvm-version: 12.0.0 +// needs-llvm-components: aarch64 x86 +// revisions:X64 A64 +// assembly-output: emit-asm +// [X64] compile-flags: --target x86_64-unknown-linux-gnu -Crelocation-model=static +// [A64] compile-flags: --target aarch64-unknown-linux-gnu -Crelocation-model=static + +#![feature(no_core, lang_items)] +#![no_core] +#![crate_type="rlib"] + +#[lang="sized"] +trait Sized {} + +#[lang="copy"] +trait Copy {} + +impl Copy for u8 {} + +extern "C" { + fn chaenomeles(); +} + +// CHECK-LABEL: banana: +// x64: movb chaenomeles, %{{[a,z]+}} +// A64: adrp [[REG:[a-z0-9]+]], chaenomeles +// A64-NEXT: ldrb {{[a-z0-9]+}}, {{\[}}[[REG]], :lo12:chaenomeles] +#[no_mangle] +pub fn banana() -> u8 { + unsafe { + *(chaenomeles as *mut u8) + } +} + +// CHECK-LABEL: peach: +// x64: movb banana, %{{[a,z]+}} +// A64: adrp [[REG2:[a-z0-9]+]], banana +// A64-NEXT: ldrb {{[a-z0-9]+}}, {{\[}}[[REG2]], :lo12:banana] +#[no_mangle] +pub fn peach() -> u8 { + unsafe { + *(banana as *mut u8) + } +} diff --git a/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs b/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs index f58117f44d83..a3f1fb5e7a25 100644 --- a/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs +++ b/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags:-Zprint-mono-items=eager // compile-flags:-Zinline-in-all-cgus diff --git a/src/test/codegen-units/item-collection/function-as-argument.rs b/src/test/codegen-units/item-collection/function-as-argument.rs index 2329dec385fd..ea500c3111a2 100644 --- a/src/test/codegen-units/item-collection/function-as-argument.rs +++ b/src/test/codegen-units/item-collection/function-as-argument.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags:-Zprint-mono-items=eager #![deny(dead_code)] diff --git a/src/test/codegen-units/item-collection/generic-drop-glue.rs b/src/test/codegen-units/item-collection/generic-drop-glue.rs index 948098b0cbc7..25cf5dad6140 100644 --- a/src/test/codegen-units/item-collection/generic-drop-glue.rs +++ b/src/test/codegen-units/item-collection/generic-drop-glue.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags:-Zprint-mono-items=eager // compile-flags:-Zinline-in-all-cgus diff --git a/src/test/codegen-units/item-collection/instantiation-through-vtable.rs b/src/test/codegen-units/item-collection/instantiation-through-vtable.rs index 919c43738fb7..e78226d4083a 100644 --- a/src/test/codegen-units/item-collection/instantiation-through-vtable.rs +++ b/src/test/codegen-units/item-collection/instantiation-through-vtable.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags:-Zprint-mono-items=eager -Zinline-in-all-cgus -Zmir-opt-level=0 #![deny(dead_code)] diff --git a/src/test/codegen-units/item-collection/non-generic-closures.rs b/src/test/codegen-units/item-collection/non-generic-closures.rs index affdda390437..379fbcf2613e 100644 --- a/src/test/codegen-units/item-collection/non-generic-closures.rs +++ b/src/test/codegen-units/item-collection/non-generic-closures.rs @@ -3,7 +3,7 @@ // ignoring this test until MIR codegen has taken over completely // ignore-test -// ignore-tidy-linelength +// // compile-flags:-Zprint-mono-items=eager #![deny(dead_code)] diff --git a/src/test/codegen-units/item-collection/non-generic-drop-glue.rs b/src/test/codegen-units/item-collection/non-generic-drop-glue.rs index 720421d3e0f7..06f76f7db366 100644 --- a/src/test/codegen-units/item-collection/non-generic-drop-glue.rs +++ b/src/test/codegen-units/item-collection/non-generic-drop-glue.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags:-Zprint-mono-items=eager // compile-flags:-Zinline-in-all-cgus diff --git a/src/test/codegen-units/item-collection/trait-method-as-argument.rs b/src/test/codegen-units/item-collection/trait-method-as-argument.rs index 6817b33c6114..235569728a2e 100644 --- a/src/test/codegen-units/item-collection/trait-method-as-argument.rs +++ b/src/test/codegen-units/item-collection/trait-method-as-argument.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags:-Zprint-mono-items=eager #![deny(dead_code)] diff --git a/src/test/codegen-units/item-collection/transitive-drop-glue.rs b/src/test/codegen-units/item-collection/transitive-drop-glue.rs index 2ec572b4373e..8249e7cba946 100644 --- a/src/test/codegen-units/item-collection/transitive-drop-glue.rs +++ b/src/test/codegen-units/item-collection/transitive-drop-glue.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags:-Zprint-mono-items=eager // compile-flags:-Zinline-in-all-cgus diff --git a/src/test/codegen-units/item-collection/tuple-drop-glue.rs b/src/test/codegen-units/item-collection/tuple-drop-glue.rs index 232570779c84..ae3b2e081ffa 100644 --- a/src/test/codegen-units/item-collection/tuple-drop-glue.rs +++ b/src/test/codegen-units/item-collection/tuple-drop-glue.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags:-Zprint-mono-items=eager // compile-flags:-Zinline-in-all-cgus diff --git a/src/test/codegen-units/partitioning/extern-drop-glue.rs b/src/test/codegen-units/partitioning/extern-drop-glue.rs index 6232b9edf82c..8b0448ec4708 100644 --- a/src/test/codegen-units/partitioning/extern-drop-glue.rs +++ b/src/test/codegen-units/partitioning/extern-drop-glue.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // We specify -C incremental here because we want to test the partitioning for // incremental compilation diff --git a/src/test/codegen-units/partitioning/extern-generic.rs b/src/test/codegen-units/partitioning/extern-generic.rs index 02930f96bd10..c96df6e102ac 100644 --- a/src/test/codegen-units/partitioning/extern-generic.rs +++ b/src/test/codegen-units/partitioning/extern-generic.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // We specify -C incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-mono-items=eager -Cincremental=tmp/partitioning-tests/extern-generic -Zshare-generics=y diff --git a/src/test/codegen-units/partitioning/inlining-from-extern-crate.rs b/src/test/codegen-units/partitioning/inlining-from-extern-crate.rs index 410b77b0050b..b86e325537b8 100644 --- a/src/test/codegen-units/partitioning/inlining-from-extern-crate.rs +++ b/src/test/codegen-units/partitioning/inlining-from-extern-crate.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // We specify -C incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-mono-items=lazy -Cincremental=tmp/partitioning-tests/inlining-from-extern-crate diff --git a/src/test/codegen-units/partitioning/local-drop-glue.rs b/src/test/codegen-units/partitioning/local-drop-glue.rs index 3017e4f9494c..78d69fdb7d81 100644 --- a/src/test/codegen-units/partitioning/local-drop-glue.rs +++ b/src/test/codegen-units/partitioning/local-drop-glue.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // We specify -C incremental here because we want to test the partitioning for // incremental compilation // We specify opt-level=0 because `drop_in_place` is `Internal` when optimizing diff --git a/src/test/codegen-units/partitioning/local-inlining-but-not-all.rs b/src/test/codegen-units/partitioning/local-inlining-but-not-all.rs index a24943348f3a..d53f7b622913 100644 --- a/src/test/codegen-units/partitioning/local-inlining-but-not-all.rs +++ b/src/test/codegen-units/partitioning/local-inlining-but-not-all.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // We specify -C incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-mono-items=lazy -Cincremental=tmp/partitioning-tests/local-inlining-but-not-all diff --git a/src/test/codegen-units/partitioning/local-inlining.rs b/src/test/codegen-units/partitioning/local-inlining.rs index 0cc652eeb529..1ea804b2f9d8 100644 --- a/src/test/codegen-units/partitioning/local-inlining.rs +++ b/src/test/codegen-units/partitioning/local-inlining.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // We specify -C incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-mono-items=lazy -Cincremental=tmp/partitioning-tests/local-inlining diff --git a/src/test/codegen-units/partitioning/local-transitive-inlining.rs b/src/test/codegen-units/partitioning/local-transitive-inlining.rs index 0c8a67aeb3da..56d108074e40 100644 --- a/src/test/codegen-units/partitioning/local-transitive-inlining.rs +++ b/src/test/codegen-units/partitioning/local-transitive-inlining.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // We specify -C incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-mono-items=lazy -Cincremental=tmp/partitioning-tests/local-transitive-inlining diff --git a/src/test/codegen-units/partitioning/methods-are-with-self-type.rs b/src/test/codegen-units/partitioning/methods-are-with-self-type.rs index 6c55904c1bf1..e67090303a36 100644 --- a/src/test/codegen-units/partitioning/methods-are-with-self-type.rs +++ b/src/test/codegen-units/partitioning/methods-are-with-self-type.rs @@ -3,7 +3,7 @@ // much sense at the moment. // ignore-test -// ignore-tidy-linelength +// // We specify -C incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-mono-items=lazy -Cincremental=tmp/partitioning-tests/methods-are-with-self-type diff --git a/src/test/codegen-units/partitioning/shared-generics.rs b/src/test/codegen-units/partitioning/shared-generics.rs index eb3196439ba8..17c1fbb2f739 100644 --- a/src/test/codegen-units/partitioning/shared-generics.rs +++ b/src/test/codegen-units/partitioning/shared-generics.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // no-prefer-dynamic // NOTE: We always compile this test with -Copt-level=0 because higher opt-levels // prevent drop-glue from participating in share-generics. diff --git a/src/test/codegen-units/partitioning/vtable-through-const.rs b/src/test/codegen-units/partitioning/vtable-through-const.rs index 8028c4f5f0ba..f6ae46b0551c 100644 --- a/src/test/codegen-units/partitioning/vtable-through-const.rs +++ b/src/test/codegen-units/partitioning/vtable-through-const.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // We specify -C incremental here because we want to test the partitioning for // incremental compilation diff --git a/src/test/codegen/abi-efiapi.rs b/src/test/codegen/abi-efiapi.rs index 6cb2728359b9..613b0bf50e53 100644 --- a/src/test/codegen/abi-efiapi.rs +++ b/src/test/codegen/abi-efiapi.rs @@ -23,8 +23,8 @@ trait Copy { } //x86_64: define win64cc void @has_efiapi //i686: define void @has_efiapi -//aarch64: define void @has_efiapi -//arm: define void @has_efiapi -//riscv: define void @has_efiapi +//aarch64: define dso_local void @has_efiapi +//arm: define dso_local void @has_efiapi +//riscv: define dso_local void @has_efiapi #[no_mangle] pub extern "efiapi" fn has_efiapi() {} diff --git a/src/test/codegen/abi-repr-ext.rs b/src/test/codegen/abi-repr-ext.rs index f93ccd794117..9dba1718acd8 100644 --- a/src/test/codegen/abi-repr-ext.rs +++ b/src/test/codegen/abi-repr-ext.rs @@ -6,7 +6,7 @@ pub enum Type { Type2 = 1 } -// CHECK: define signext i8 @test() +// CHECK: define{{( dso_local)?}} signext i8 @test() #[no_mangle] pub extern "C" fn test() -> Type { Type::Type1 diff --git a/src/test/codegen/abi-sysv64.rs b/src/test/codegen/abi-sysv64.rs index 89c9bcee052f..bb910d573b33 100644 --- a/src/test/codegen/abi-sysv64.rs +++ b/src/test/codegen/abi-sysv64.rs @@ -1,17 +1,21 @@ // Checks if the correct annotation for the sysv64 ABI is passed to // llvm. Also checks that the abi-sysv64 feature gate allows usage // of the sysv64 abi. - -// ignore-arm -// ignore-aarch64 -// ignore-riscv64 sysv64 not supported - -// compile-flags: -C no-prepopulate-passes +// +// needs-llvm-components: x86 +// compile-flags: -C no-prepopulate-passes --target=x86_64-unknown-linux-gnu #![crate_type = "lib"] +#![no_core] +#![feature(abi_x86_interrupt, no_core, lang_items)] + +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} // CHECK: define x86_64_sysvcc i64 @has_sysv64_abi #[no_mangle] pub extern "sysv64" fn has_sysv64_abi(a: i64) -> i64 { - a * 2 + a } diff --git a/src/test/codegen/abi-x86-interrupt.rs b/src/test/codegen/abi-x86-interrupt.rs index 25c155c949dc..119004d261d6 100644 --- a/src/test/codegen/abi-x86-interrupt.rs +++ b/src/test/codegen/abi-x86-interrupt.rs @@ -2,17 +2,20 @@ // llvm. Also checks that the abi_x86_interrupt feature gate allows usage // of the x86-interrupt abi. -// ignore-arm -// ignore-aarch64 -// ignore-riscv64 x86-interrupt is not supported - -// compile-flags: -C no-prepopulate-passes +// needs-llvm-components: x86 +// compile-flags: -C no-prepopulate-passes --target=x86_64-unknown-linux-gnu #![crate_type = "lib"] -#![feature(abi_x86_interrupt)] +#![no_core] +#![feature(abi_x86_interrupt, no_core, lang_items)] + +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} // CHECK: define x86_intrcc i64 @has_x86_interrupt_abi #[no_mangle] pub extern "x86-interrupt" fn has_x86_interrupt_abi(a: i64) -> i64 { - a * 2 + a } diff --git a/src/test/codegen/align-enum.rs b/src/test/codegen/align-enum.rs index 95ca7cfe7508..0f2cf5a76167 100644 --- a/src/test/codegen/align-enum.rs +++ b/src/test/codegen/align-enum.rs @@ -1,5 +1,5 @@ // compile-flags: -C no-prepopulate-passes -Z mir-opt-level=0 -// ignore-tidy-linelength +// #![crate_type = "lib"] diff --git a/src/test/codegen/align-fn.rs b/src/test/codegen/align-fn.rs new file mode 100644 index 000000000000..c5886cf28081 --- /dev/null +++ b/src/test/codegen/align-fn.rs @@ -0,0 +1,9 @@ +// compile-flags: -C no-prepopulate-passes -Z mir-opt-level=0 + +#![crate_type = "lib"] +#![feature(fn_align)] + +// CHECK: align 16 +#[no_mangle] +#[repr(align(16))] +pub fn fn_align() {} diff --git a/src/test/codegen/align-struct.rs b/src/test/codegen/align-struct.rs index cda7235a3d81..82eec67af0fa 100644 --- a/src/test/codegen/align-struct.rs +++ b/src/test/codegen/align-struct.rs @@ -1,5 +1,5 @@ // compile-flags: -C no-prepopulate-passes -Z mir-opt-level=0 -// ignore-tidy-linelength +// #![crate_type = "lib"] diff --git a/src/test/codegen/asm-target-clobbers.rs b/src/test/codegen/asm-target-clobbers.rs new file mode 100644 index 000000000000..f637cdcd2344 --- /dev/null +++ b/src/test/codegen/asm-target-clobbers.rs @@ -0,0 +1,21 @@ +// only-x86_64 +// revisions: base avx512 +// [avx512]compile-flags: -C target-feature=+avx512f + +#![crate_type = "rlib"] +#![feature(asm)] + +// CHECK-LABEL: @avx512_clobber +// base: call void asm sideeffect inteldialect "", "~{xmm31}"() +// avx512: call float asm sideeffect inteldialect "", "=&{xmm31}"() +#[no_mangle] +pub unsafe fn avx512_clobber() { + asm!("", out("zmm31") _, options(nostack, nomem, preserves_flags)); +} + +// CHECK-LABEL: @eax_clobber +// CHECK: call i32 asm sideeffect inteldialect "", "=&{ax}"() +#[no_mangle] +pub unsafe fn eax_clobber() { + asm!("", out("eax") _, options(nostack, nomem, preserves_flags)); +} diff --git a/src/test/codegen/async-fn-debug-msvc.rs b/src/test/codegen/async-fn-debug-msvc.rs index 4e145b81ecbf..2b8c0dfc229a 100644 --- a/src/test/codegen/async-fn-debug-msvc.rs +++ b/src/test/codegen/async-fn-debug-msvc.rs @@ -3,7 +3,7 @@ // - The generator types and variants are marked artificial // - Captured vars from the source are not marked artificial // -// ignore-tidy-linelength +// // compile-flags: -C debuginfo=2 --edition=2018 // only-msvc diff --git a/src/test/codegen/async-fn-debug.rs b/src/test/codegen/async-fn-debug.rs index 8fa4be1ae86d..e9b774b48c3e 100644 --- a/src/test/codegen/async-fn-debug.rs +++ b/src/test/codegen/async-fn-debug.rs @@ -3,7 +3,7 @@ // - The generator types and variants are marked artificial // - Captured vars from the source are not marked artificial // -// ignore-tidy-linelength +// // compile-flags: -C debuginfo=2 --edition=2018 // ignore-msvc diff --git a/src/test/codegen/c-variadic.rs b/src/test/codegen/c-variadic.rs index 29c82686731c..e038ed704513 100644 --- a/src/test/codegen/c-variadic.rs +++ b/src/test/codegen/c-variadic.rs @@ -1,6 +1,6 @@ // ignore-wasm32-bare compiled with panic=abort by default // compile-flags: -C no-prepopulate-passes -// ignore-tidy-linelength +// #![crate_type = "lib"] #![feature(c_variadic)] diff --git a/src/test/codegen/cdylib-external-inline-fns.rs b/src/test/codegen/cdylib-external-inline-fns.rs index 519be6b6a99a..9118afd43d88 100644 --- a/src/test/codegen/cdylib-external-inline-fns.rs +++ b/src/test/codegen/cdylib-external-inline-fns.rs @@ -2,42 +2,42 @@ #![crate_type = "cdylib"] -// CHECK: define void @a() +// CHECK: define{{( dso_local)?}} void @a() #[no_mangle] #[inline] pub extern "C" fn a() {} -// CHECK: define void @b() +// CHECK: define{{( dso_local)?}} void @b() #[export_name = "b"] #[inline] pub extern "C" fn b() {} -// CHECK: define void @c() +// CHECK: define{{( dso_local)?}} void @c() #[no_mangle] #[inline] extern "C" fn c() {} -// CHECK: define void @d() +// CHECK: define{{( dso_local)?}} void @d() #[export_name = "d"] #[inline] extern "C" fn d() {} -// CHECK: define void @e() +// CHECK: define{{( dso_local)?}} void @e() #[no_mangle] #[inline(always)] pub extern "C" fn e() {} -// CHECK: define void @f() +// CHECK: define{{( dso_local)?}} void @f() #[export_name = "f"] #[inline(always)] pub extern "C" fn f() {} -// CHECK: define void @g() +// CHECK: define{{( dso_local)?}} void @g() #[no_mangle] #[inline(always)] extern "C" fn g() {} -// CHECK: define void @h() +// CHECK: define{{( dso_local)?}} void @h() #[export_name = "h"] #[inline(always)] extern "C" fn h() {} diff --git a/src/test/codegen/consts.rs b/src/test/codegen/consts.rs index fcb9002986a1..3aab4bea3d04 100644 --- a/src/test/codegen/consts.rs +++ b/src/test/codegen/consts.rs @@ -1,5 +1,5 @@ // compile-flags: -C no-prepopulate-passes -// ignore-tidy-linelength +// #![crate_type = "lib"] diff --git a/src/test/codegen/dealloc-no-unwind.rs b/src/test/codegen/dealloc-no-unwind.rs index f047c7a180ce..3812ef44ff2a 100644 --- a/src/test/codegen/dealloc-no-unwind.rs +++ b/src/test/codegen/dealloc-no-unwind.rs @@ -1,4 +1,3 @@ -// // no-system-llvm // compile-flags: -O @@ -15,7 +14,7 @@ impl Drop for A { #[no_mangle] pub fn a(a: Box) { - // CHECK-LABEL: define void @a + // CHECK-LABEL: define{{.*}}void @a // CHECK: call void @__rust_dealloc // CHECK-NEXT: call void @foo let _a = A; diff --git a/src/test/codegen/debug-compile-unit-path.rs b/src/test/codegen/debug-compile-unit-path.rs index fcb66e085761..3661be046d0f 100644 --- a/src/test/codegen/debug-compile-unit-path.rs +++ b/src/test/codegen/debug-compile-unit-path.rs @@ -1,5 +1,5 @@ // compile-flags: -g --remap-path-prefix={{cwd}}=/cwd/ --remap-path-prefix={{src-base}}=/base/ -// ignore-tidy-linelength +// // // Ensure that we remap the compile unit directory and that we set it to the compilers current // working directory and not something else. diff --git a/src/test/codegen/enum-debug-clike.rs b/src/test/codegen/enum-debug-clike.rs index 134443931e98..1e369a2c4e6a 100644 --- a/src/test/codegen/enum-debug-clike.rs +++ b/src/test/codegen/enum-debug-clike.rs @@ -1,7 +1,7 @@ // This tests that debug info for "c-like" enums is properly emitted. // This is ignored for the fallback mode on MSVC due to problems with PDB. -// ignore-tidy-linelength +// // ignore-msvc // compile-flags: -g -C no-prepopulate-passes diff --git a/src/test/codegen/enum-debug-niche-2.rs b/src/test/codegen/enum-debug-niche-2.rs index 0f78234d9774..9c72ad9d248a 100644 --- a/src/test/codegen/enum-debug-niche-2.rs +++ b/src/test/codegen/enum-debug-niche-2.rs @@ -1,7 +1,7 @@ // This tests that optimized enum debug info accurately reflects the enum layout. // This is ignored for the fallback mode on MSVC due to problems with PDB. -// ignore-tidy-linelength +// // ignore-msvc // compile-flags: -g -C no-prepopulate-passes diff --git a/src/test/codegen/external-no-mangle-fns.rs b/src/test/codegen/external-no-mangle-fns.rs index 41820b057f1e..70349b2ec4f6 100644 --- a/src/test/codegen/external-no-mangle-fns.rs +++ b/src/test/codegen/external-no-mangle-fns.rs @@ -4,30 +4,30 @@ #![crate_type = "lib"] #![no_std] -// CHECK: define void @a() +// CHECK: define{{( dso_local)?}} void @a() #[no_mangle] fn a() {} -// CHECK: define void @b() +// CHECK: define{{( dso_local)?}} void @b() #[no_mangle] pub fn b() {} mod private { - // CHECK: define void @c() + // CHECK: define{{( dso_local)?}} void @c() #[no_mangle] fn c() {} - // CHECK: define void @d() + // CHECK: define{{( dso_local)?}} void @d() #[no_mangle] pub fn d() {} } const HIDDEN: () = { - // CHECK: define void @e() + // CHECK: define{{( dso_local)?}} void @e() #[no_mangle] fn e() {} - // CHECK: define void @f() + // CHECK: define{{( dso_local)?}} void @f() #[no_mangle] pub fn f() {} }; @@ -38,13 +38,13 @@ const HIDDEN: () = { // CHECK-NEXT: define internal #[inline(never)] fn x() { - // CHECK: define void @g() + // CHECK: define{{( dso_local)?}} void @g() #[no_mangle] fn g() { x(); } - // CHECK: define void @h() + // CHECK: define{{( dso_local)?}} void @h() #[no_mangle] pub fn h() {} @@ -54,22 +54,22 @@ fn x() { } } -// CHECK: define void @i() +// CHECK: define{{( dso_local)?}} void @i() #[no_mangle] #[inline] fn i() {} -// CHECK: define void @j() +// CHECK: define{{( dso_local)?}} void @j() #[no_mangle] #[inline] pub fn j() {} -// CHECK: define void @k() +// CHECK: define{{( dso_local)?}} void @k() #[no_mangle] #[inline(always)] fn k() {} -// CHECK: define void @l() +// CHECK: define{{( dso_local)?}} void @l() #[no_mangle] #[inline(always)] pub fn l() {} diff --git a/src/test/codegen/fewer-names.rs b/src/test/codegen/fewer-names.rs index 53a926d49efe..7307e0379dfa 100644 --- a/src/test/codegen/fewer-names.rs +++ b/src/test/codegen/fewer-names.rs @@ -7,11 +7,11 @@ #[no_mangle] pub fn sum(x: u32, y: u32) -> u32 { -// YES-LABEL: define i32 @sum(i32 %0, i32 %1) +// YES-LABEL: define{{.*}}i32 @sum(i32 %0, i32 %1) // YES-NEXT: %3 = add i32 %1, %0 // YES-NEXT: ret i32 %3 -// NO-LABEL: define i32 @sum(i32 %x, i32 %y) +// NO-LABEL: define{{.*}}i32 @sum(i32 %x, i32 %y) // NO-NEXT: start: // NO-NEXT: %z = add i32 %y, %x // NO-NEXT: ret i32 %z diff --git a/src/test/codegen/ffi-const.rs b/src/test/codegen/ffi-const.rs index 67baf6fdd3e0..d9cfa5429b5b 100644 --- a/src/test/codegen/ffi-const.rs +++ b/src/test/codegen/ffi-const.rs @@ -5,7 +5,7 @@ pub fn bar() { unsafe { foo() } } extern "C" { - // CHECK-LABEL: declare void @foo() + // CHECK-LABEL: declare{{.*}}void @foo() // CHECK-SAME: [[ATTRS:#[0-9]+]] // CHECK-DAG: attributes [[ATTRS]] = { {{.*}}readnone{{.*}} } #[ffi_const] pub fn foo(); diff --git a/src/test/codegen/ffi-pure.rs b/src/test/codegen/ffi-pure.rs index 3afb0856c9d7..5bdb2ee912a1 100644 --- a/src/test/codegen/ffi-pure.rs +++ b/src/test/codegen/ffi-pure.rs @@ -5,7 +5,7 @@ pub fn bar() { unsafe { foo() } } extern "C" { - // CHECK-LABEL: declare void @foo() + // CHECK-LABEL: declare{{.*}}void @foo() // CHECK-SAME: [[ATTRS:#[0-9]+]] // CHECK-DAG: attributes [[ATTRS]] = { {{.*}}readonly{{.*}} } #[ffi_pure] pub fn foo(); diff --git a/src/test/codegen/ffi-returns-twice.rs b/src/test/codegen/ffi-returns-twice.rs index 75301dfd346e..0fbe03f0bb6f 100644 --- a/src/test/codegen/ffi-returns-twice.rs +++ b/src/test/codegen/ffi-returns-twice.rs @@ -5,8 +5,7 @@ pub fn bar() { unsafe { foo() } } extern "C" { - // CHECK-LABEL: declare void @foo() - // CHECK-SAME: [[ATTRS:#[0-9]+]] - // CHECK-DAG: attributes [[ATTRS]] = { {{.*}}returns_twice{{.*}} } + // CHECK: declare{{( dso_local)?}} void @foo(){{.*}}[[ATTRS:#[0-9]+]] + // CHECK: attributes [[ATTRS]] = { {{.*}}returns_twice{{.*}} } #[ffi_returns_twice] pub fn foo(); } diff --git a/src/test/codegen/function-arguments.rs b/src/test/codegen/function-arguments.rs index 0c34bf1b914b..f936f9096034 100644 --- a/src/test/codegen/function-arguments.rs +++ b/src/test/codegen/function-arguments.rs @@ -1,5 +1,5 @@ // compile-flags: -O -C no-prepopulate-passes -// ignore-tidy-linelength +// // min-system-llvm-version: 12.0 #![crate_type = "lib"] diff --git a/src/test/codegen/gdb_debug_script_load.rs b/src/test/codegen/gdb_debug_script_load.rs index 178269f611e6..856b67bf9df9 100644 --- a/src/test/codegen/gdb_debug_script_load.rs +++ b/src/test/codegen/gdb_debug_script_load.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // ignore-windows // ignore-macos // ignore-wasm diff --git a/src/test/codegen/generator-debug-msvc.rs b/src/test/codegen/generator-debug-msvc.rs index 82a1568ea958..4f8a320ee9b1 100644 --- a/src/test/codegen/generator-debug-msvc.rs +++ b/src/test/codegen/generator-debug-msvc.rs @@ -3,7 +3,7 @@ // - The generator types and variants are marked artificial // - Captured vars from the source are not marked artificial // -// ignore-tidy-linelength +// // compile-flags: -C debuginfo=2 // only-msvc diff --git a/src/test/codegen/generator-debug.rs b/src/test/codegen/generator-debug.rs index 5c7c64148189..86ac6db702ab 100644 --- a/src/test/codegen/generator-debug.rs +++ b/src/test/codegen/generator-debug.rs @@ -3,7 +3,7 @@ // - The generator types and variants are marked artificial // - Captured vars from the source are not marked artificial // -// ignore-tidy-linelength +// // compile-flags: -C debuginfo=2 --edition=2018 // ignore-msvc diff --git a/src/test/codegen/inline-debuginfo.rs b/src/test/codegen/inline-debuginfo.rs index 1546dfa10a31..5b230361f397 100644 --- a/src/test/codegen/inline-debuginfo.rs +++ b/src/test/codegen/inline-debuginfo.rs @@ -1,6 +1,6 @@ #![crate_type="rlib"] // compile-flags: -Copt-level=3 -g -// ignore-tidy-linelength +// #[no_mangle] #[inline(always)] diff --git a/src/test/codegen/instrument-mcount.rs b/src/test/codegen/instrument-mcount.rs index 518a2a0da2a8..b26076e7a7bf 100644 --- a/src/test/codegen/instrument-mcount.rs +++ b/src/test/codegen/instrument-mcount.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags: -Z instrument-mcount #![crate_type = "lib"] diff --git a/src/test/codegen/intrinsics/nontemporal.rs b/src/test/codegen/intrinsics/nontemporal.rs index 3a41fb4fab3b..d13f3e51ba4c 100644 --- a/src/test/codegen/intrinsics/nontemporal.rs +++ b/src/test/codegen/intrinsics/nontemporal.rs @@ -5,7 +5,7 @@ #[no_mangle] pub fn a(a: &mut u32, b: u32) { - // CHECK-LABEL: define void @a + // CHECK-LABEL: define{{.*}}void @a // CHECK: store i32 %b, i32* %a, align 4, !nontemporal unsafe { std::intrinsics::nontemporal_store(a, b); diff --git a/src/test/codegen/issue-32031.rs b/src/test/codegen/issue-32031.rs index cf672266bc77..82ba325572ab 100644 --- a/src/test/codegen/issue-32031.rs +++ b/src/test/codegen/issue-32031.rs @@ -5,7 +5,7 @@ #[no_mangle] pub struct F32(f32); -// CHECK: define float @add_newtype_f32(float %a, float %b) +// CHECK: define{{.*}}float @add_newtype_f32(float %a, float %b) #[inline(never)] #[no_mangle] pub fn add_newtype_f32(a: F32, b: F32) -> F32 { @@ -15,7 +15,7 @@ pub fn add_newtype_f32(a: F32, b: F32) -> F32 { #[no_mangle] pub struct F64(f64); -// CHECK: define double @add_newtype_f64(double %a, double %b) +// CHECK: define{{.*}}double @add_newtype_f64(double %a, double %b) #[inline(never)] #[no_mangle] pub fn add_newtype_f64(a: F64, b: F64) -> F64 { diff --git a/src/test/codegen/issue-44056-macos-tls-align.rs b/src/test/codegen/issue-44056-macos-tls-align.rs index 2270eca50142..1a3923f1bb1a 100644 --- a/src/test/codegen/issue-44056-macos-tls-align.rs +++ b/src/test/codegen/issue-44056-macos-tls-align.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // only-macos // no-system-llvm // compile-flags: -O diff --git a/src/test/codegen/issue-73338-effecient-cmp.rs b/src/test/codegen/issue-73338-effecient-cmp.rs new file mode 100644 index 000000000000..85c2bbfd040b --- /dev/null +++ b/src/test/codegen/issue-73338-effecient-cmp.rs @@ -0,0 +1,39 @@ +// This test checks that comparison operation +// generated by #[derive(PartialOrd)] +// doesn't contain jumps for C enums + +// compile-flags: -Copt-level=3 + +#![crate_type="lib"] + +#[repr(u32)] +#[derive(Copy, Clone, Eq, PartialEq, PartialOrd)] +pub enum Foo { + Zero, + One, + Two, +} + +#[no_mangle] +pub fn compare_less(a: Foo, b: Foo)->bool{ + // CHECK-NOT: br {{.*}} + a < b +} + +#[no_mangle] +pub fn compare_le(a: Foo, b: Foo)->bool{ + // CHECK-NOT: br {{.*}} + a <= b +} + +#[no_mangle] +pub fn compare_ge(a: Foo, b: Foo)->bool{ + // CHECK-NOT: br {{.*}} + a >= b +} + +#[no_mangle] +pub fn compare_greater(a: Foo, b: Foo)->bool{ + // CHECK-NOT: br {{.*}} + a > b +} diff --git a/src/test/codegen/issue-83623-SIMD-PartialEq.rs b/src/test/codegen/issue-83623-SIMD-PartialEq.rs new file mode 100644 index 000000000000..b22b7f52402d --- /dev/null +++ b/src/test/codegen/issue-83623-SIMD-PartialEq.rs @@ -0,0 +1,46 @@ +// This test checks that jumps generated by logical operators can be optimized away + +// compile-flags: -Copt-level=3 +// only-64bit + +#![crate_type="lib"] + +pub struct Blueprint { + pub fuel_tank_size: u32, + pub payload: u32, + pub wheel_diameter: u32, + pub wheel_width: u32, + pub storage: u32, +} + +// && chains should not prevent SIMD optimizations for primitives +impl PartialEq for Blueprint{ + fn eq(&self, other: &Self)->bool{ + // CHECK-NOT: call{{.*}}bcmp + // CHECK-NOT: call{{.*}}memcmp + // CHECK-NOT: br {{.*}} + self.fuel_tank_size == other.fuel_tank_size + && self.payload == other.payload + && self.wheel_diameter == other.wheel_diameter + && self.wheel_width == other.wheel_width + && self.storage == other.storage + } +} + +#[derive(PartialEq)] +pub struct Blueprint2 { + pub fuel_tank_size: u32, + pub payload: u32, + pub wheel_diameter: u32, + pub wheel_width: u32, + pub storage: u32, +} + +// Derived PartialEq should not generate jumps and should use SIMD +#[no_mangle] +pub fn partial_eq_should_not_jump(a: &Blueprint2, b:&Blueprint2)->bool{ + // CHECK-NOT: call{{.*}}bcmp + // CHECK-NOT: call{{.*}}memcmp + // CHECK-NOT: br {{.*}} + a==b +} diff --git a/src/test/codegen/lto-removes-invokes.rs b/src/test/codegen/lto-removes-invokes.rs index b8f9f36c8e78..3979a97dc01b 100644 --- a/src/test/codegen/lto-removes-invokes.rs +++ b/src/test/codegen/lto-removes-invokes.rs @@ -10,7 +10,7 @@ fn main() { fn foo() { let _a = Box::new(3); bar(); -// CHECK-LABEL: define void @foo +// CHECK-LABEL: define dso_local void @foo // CHECK: call void @bar } diff --git a/src/test/codegen/naked-functions.rs b/src/test/codegen/naked-functions.rs index 43a6be465bcf..c8cd69232821 100644 --- a/src/test/codegen/naked-functions.rs +++ b/src/test/codegen/naked-functions.rs @@ -4,7 +4,7 @@ #![feature(naked_functions)] // CHECK: Function Attrs: naked -// CHECK-NEXT: define void @naked_empty() +// CHECK-NEXT: define{{.*}}void @naked_empty() #[no_mangle] #[naked] pub fn naked_empty() { @@ -15,14 +15,14 @@ pub fn naked_empty() { // CHECK: Function Attrs: naked #[no_mangle] #[naked] -// CHECK-NEXT: define void @naked_with_args(i{{[0-9]+( %a)?}}) +// CHECK-NEXT: define{{.*}}void @naked_with_args(i{{[0-9]+( %a)?}}) pub fn naked_with_args(a: isize) { // CHECK-NEXT: {{.+}}: // CHECK: ret void } // CHECK: Function Attrs: naked -// CHECK-NEXT: define i{{[0-9]+}} @naked_with_return() +// CHECK-NEXT: define{{.*}}i{{[0-9]+}} @naked_with_return() #[no_mangle] #[naked] pub fn naked_with_return() -> isize { @@ -32,7 +32,7 @@ pub fn naked_with_return() -> isize { } // CHECK: Function Attrs: naked -// CHECK-NEXT: define i{{[0-9]+}} @naked_with_args_and_return(i{{[0-9]+( %a)?}}) +// CHECK-NEXT: define{{.*}}i{{[0-9]+}} @naked_with_args_and_return(i{{[0-9]+( %a)?}}) #[no_mangle] #[naked] pub fn naked_with_args_and_return(a: isize) -> isize { diff --git a/src/test/codegen/optimize-attr-1.rs b/src/test/codegen/optimize-attr-1.rs index a8be10ba3ce0..22abe06e7a9e 100644 --- a/src/test/codegen/optimize-attr-1.rs +++ b/src/test/codegen/optimize-attr-1.rs @@ -6,7 +6,7 @@ #![feature(optimize_attribute)] #![crate_type="rlib"] -// CHECK-LABEL: define i32 @nothing +// CHECK-LABEL: define{{.*}}i32 @nothing // CHECK-SAME: [[NOTHING_ATTRS:#[0-9]+]] // NO-OPT: ret i32 4 // SIZE-OPT: ret i32 4 @@ -16,7 +16,7 @@ pub fn nothing() -> i32 { 2 + 2 } -// CHECK-LABEL: define i32 @size +// CHECK-LABEL: define{{.*}}i32 @size // CHECK-SAME: [[SIZE_ATTRS:#[0-9]+]] // NO-OPT: ret i32 6 // SIZE-OPT: ret i32 6 @@ -27,7 +27,7 @@ pub fn size() -> i32 { 3 + 3 } -// CHECK-LABEL: define i32 @speed +// CHECK-LABEL: define{{.*}}i32 @speed // NO-OPT-SAME: [[NOTHING_ATTRS]] // SPEED-OPT-SAME: [[NOTHING_ATTRS]] // SIZE-OPT-SAME: [[SPEED_ATTRS:#[0-9]+]] diff --git a/src/test/codegen/packed.rs b/src/test/codegen/packed.rs index 6ab28e87cb66..dfa7803d4f2f 100644 --- a/src/test/codegen/packed.rs +++ b/src/test/codegen/packed.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags: -O -C no-prepopulate-passes #![crate_type = "lib"] diff --git a/src/test/codegen/remap_path_prefix/auxiliary/remap_path_prefix_aux.rs b/src/test/codegen/remap_path_prefix/auxiliary/remap_path_prefix_aux.rs index b87a20e75f4b..887915955b59 100644 --- a/src/test/codegen/remap_path_prefix/auxiliary/remap_path_prefix_aux.rs +++ b/src/test/codegen/remap_path_prefix/auxiliary/remap_path_prefix_aux.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags: -g --remap-path-prefix={{cwd}}=/the/aux-cwd --remap-path-prefix={{src-base}}/remap_path_prefix/auxiliary=/the/aux-src diff --git a/src/test/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs b/src/test/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs index 57e877ef0d0e..59092dbf6376 100644 --- a/src/test/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs +++ b/src/test/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags: -g --remap-path-prefix={{cwd}}=/the/aux-cwd --remap-path-prefix={{src-base}}/remap_path_prefix/auxiliary=/the/aux-src #![crate_type = "lib"] diff --git a/src/test/codegen/remap_path_prefix/main.rs b/src/test/codegen/remap_path_prefix/main.rs index 20475bab0fc9..c2d01c7fec23 100644 --- a/src/test/codegen/remap_path_prefix/main.rs +++ b/src/test/codegen/remap_path_prefix/main.rs @@ -1,5 +1,5 @@ // ignore-windows -// ignore-tidy-linelength +// // compile-flags: -g -C no-prepopulate-passes --remap-path-prefix={{cwd}}=/the/cwd --remap-path-prefix={{src-base}}=/the/src // aux-build:remap_path_prefix_aux.rs diff --git a/src/test/codegen/repeat-trusted-len.rs b/src/test/codegen/repeat-trusted-len.rs index 8e08b78ad1ee..9e904fc82ab4 100644 --- a/src/test/codegen/repeat-trusted-len.rs +++ b/src/test/codegen/repeat-trusted-len.rs @@ -1,5 +1,5 @@ // compile-flags: -O -// ignore-tidy-linelength +// #![crate_type = "lib"] diff --git a/src/test/codegen/repr-transparent-aggregates-1.rs b/src/test/codegen/repr-transparent-aggregates-1.rs index 847b94fac78c..3017adb44325 100644 --- a/src/test/codegen/repr-transparent-aggregates-1.rs +++ b/src/test/codegen/repr-transparent-aggregates-1.rs @@ -1,5 +1,5 @@ // compile-flags: -C no-prepopulate-passes -// ignore-tidy-linelength +// // min-system-llvm-version: 12.0 // ignore-arm @@ -34,19 +34,19 @@ pub enum TeBigS { Variant(BigS), } -// CHECK: define void @test_BigS(%BigS* [[BIGS_RET_ATTRS1:.*]] sret(%BigS) [[BIGS_RET_ATTRS2:.*]], %BigS* [[BIGS_ARG_ATTRS1:.*]] byval(%BigS) [[BIGS_ARG_ATTRS2:.*]]) +// CHECK: define{{.*}}void @test_BigS(%BigS* [[BIGS_RET_ATTRS1:.*]] sret(%BigS) [[BIGS_RET_ATTRS2:.*]], %BigS* [[BIGS_ARG_ATTRS1:.*]] byval(%BigS) [[BIGS_ARG_ATTRS2:.*]]) #[no_mangle] pub extern "C" fn test_BigS(_: BigS) -> BigS { loop {} } -// CHECK: define void @test_TsBigS(%TsBigS* [[BIGS_RET_ATTRS1]] sret(%TsBigS) [[BIGS_RET_ATTRS2]], %TsBigS* [[BIGS_ARG_ATTRS1]] byval(%TsBigS) [[BIGS_ARG_ATTRS2:.*]]) +// CHECK: define{{.*}}void @test_TsBigS(%TsBigS* [[BIGS_RET_ATTRS1]] sret(%TsBigS) [[BIGS_RET_ATTRS2]], %TsBigS* [[BIGS_ARG_ATTRS1]] byval(%TsBigS) [[BIGS_ARG_ATTRS2:.*]]) #[no_mangle] pub extern "C" fn test_TsBigS(_: TsBigS) -> TsBigS { loop {} } -// CHECK: define void @test_TuBigS(%TuBigS* [[BIGS_RET_ATTRS1]] sret(%TuBigS) [[BIGS_RET_ATTRS2]], %TuBigS* [[BIGS_ARG_ATTRS1]] byval(%TuBigS) [[BIGS_ARG_ATTRS2:.*]]) +// CHECK: define{{.*}}void @test_TuBigS(%TuBigS* [[BIGS_RET_ATTRS1]] sret(%TuBigS) [[BIGS_RET_ATTRS2]], %TuBigS* [[BIGS_ARG_ATTRS1]] byval(%TuBigS) [[BIGS_ARG_ATTRS2:.*]]) #[no_mangle] pub extern "C" fn test_TuBigS(_: TuBigS) -> TuBigS { loop {} } -// CHECK: define void @test_TeBigS(%"TeBigS::Variant"* [[BIGS_RET_ATTRS1]] sret(%"TeBigS::Variant") [[BIGS_RET_ATTRS2]], %"TeBigS::Variant"* [[BIGS_ARG_ATTRS1]] byval(%"TeBigS::Variant") [[BIGS_ARG_ATTRS2]]) +// CHECK: define{{.*}}void @test_TeBigS(%"TeBigS::Variant"* [[BIGS_RET_ATTRS1]] sret(%"TeBigS::Variant") [[BIGS_RET_ATTRS2]], %"TeBigS::Variant"* [[BIGS_ARG_ATTRS1]] byval(%"TeBigS::Variant") [[BIGS_ARG_ATTRS2]]) #[no_mangle] pub extern "C" fn test_TeBigS(_: TeBigS) -> TeBigS { loop {} } @@ -70,18 +70,18 @@ pub enum TeBigU { Variant(BigU), } -// CHECK: define void @test_BigU(%BigU* [[BIGU_RET_ATTRS1:.*]] sret(%BigU) [[BIGU_RET_ATTRS2:.*]], %BigU* [[BIGU_ARG_ATTRS1:.*]] byval(%BigU) [[BIGU_ARG_ATTRS2:.*]]) +// CHECK: define{{.*}}void @test_BigU(%BigU* [[BIGU_RET_ATTRS1:.*]] sret(%BigU) [[BIGU_RET_ATTRS2:.*]], %BigU* [[BIGU_ARG_ATTRS1:.*]] byval(%BigU) [[BIGU_ARG_ATTRS2:.*]]) #[no_mangle] pub extern "C" fn test_BigU(_: BigU) -> BigU { loop {} } -// CHECK: define void @test_TsBigU(%TsBigU* [[BIGU_RET_ATTRS1:.*]] sret(%TsBigU) [[BIGU_RET_ATTRS2:.*]], %TsBigU* [[BIGU_ARG_ATTRS1]] byval(%TsBigU) [[BIGU_ARG_ATTRS2]]) +// CHECK: define{{.*}}void @test_TsBigU(%TsBigU* [[BIGU_RET_ATTRS1:.*]] sret(%TsBigU) [[BIGU_RET_ATTRS2:.*]], %TsBigU* [[BIGU_ARG_ATTRS1]] byval(%TsBigU) [[BIGU_ARG_ATTRS2]]) #[no_mangle] pub extern "C" fn test_TsBigU(_: TsBigU) -> TsBigU { loop {} } -// CHECK: define void @test_TuBigU(%TuBigU* [[BIGU_RET_ATTRS1]] sret(%TuBigU) [[BIGU_RET_ATTRS2:.*]], %TuBigU* [[BIGU_ARG_ATTRS1]] byval(%TuBigU) [[BIGU_ARG_ATTRS2]]) +// CHECK: define{{.*}}void @test_TuBigU(%TuBigU* [[BIGU_RET_ATTRS1]] sret(%TuBigU) [[BIGU_RET_ATTRS2:.*]], %TuBigU* [[BIGU_ARG_ATTRS1]] byval(%TuBigU) [[BIGU_ARG_ATTRS2]]) #[no_mangle] pub extern "C" fn test_TuBigU(_: TuBigU) -> TuBigU { loop {} } -// CHECK: define void @test_TeBigU(%"TeBigU::Variant"* [[BIGU_RET_ATTRS1]] sret(%"TeBigU::Variant") [[BIGU_RET_ATTRS2:.*]], %"TeBigU::Variant"* [[BIGU_ARG_ATTRS1]] byval(%"TeBigU::Variant") [[BIGU_ARG_ATTRS2]]) +// CHECK: define{{.*}}void @test_TeBigU(%"TeBigU::Variant"* [[BIGU_RET_ATTRS1]] sret(%"TeBigU::Variant") [[BIGU_RET_ATTRS2:.*]], %"TeBigU::Variant"* [[BIGU_ARG_ATTRS1]] byval(%"TeBigU::Variant") [[BIGU_ARG_ATTRS2]]) #[no_mangle] pub extern "C" fn test_TeBigU(_: TeBigU) -> TeBigU { loop {} } diff --git a/src/test/codegen/repr-transparent-aggregates-2.rs b/src/test/codegen/repr-transparent-aggregates-2.rs index 1fb12d92bd13..429d760b4aa0 100644 --- a/src/test/codegen/repr-transparent-aggregates-2.rs +++ b/src/test/codegen/repr-transparent-aggregates-2.rs @@ -1,5 +1,5 @@ // compile-flags: -C no-prepopulate-passes -// ignore-tidy-linelength +// // min-system-llvm-version: 12.0 // ignore-aarch64 diff --git a/src/test/codegen/repr-transparent-aggregates-3.rs b/src/test/codegen/repr-transparent-aggregates-3.rs index 3381764bfc81..21176ac0e7a2 100644 --- a/src/test/codegen/repr-transparent-aggregates-3.rs +++ b/src/test/codegen/repr-transparent-aggregates-3.rs @@ -1,5 +1,5 @@ // compile-flags: -C no-prepopulate-passes -// ignore-tidy-linelength +// // min-system-llvm-version: 12.0 // only-mips64 diff --git a/src/test/codegen/repr-transparent.rs b/src/test/codegen/repr-transparent.rs index 29997313511b..7add522c1589 100644 --- a/src/test/codegen/repr-transparent.rs +++ b/src/test/codegen/repr-transparent.rs @@ -17,21 +17,21 @@ pub struct Zst2(()); #[repr(transparent)] pub struct F32(f32); -// CHECK: define float @test_F32(float %_1) +// CHECK: define{{.*}}float @test_F32(float %_1) #[no_mangle] pub extern "C" fn test_F32(_: F32) -> F32 { loop {} } #[repr(transparent)] pub struct Ptr(*mut u8); -// CHECK: define i8* @test_Ptr(i8* %_1) +// CHECK: define{{.*}}i8* @test_Ptr(i8* %_1) #[no_mangle] pub extern "C" fn test_Ptr(_: Ptr) -> Ptr { loop {} } #[repr(transparent)] pub struct WithZst(u64, Zst1); -// CHECK: define i64 @test_WithZst(i64 %_1) +// CHECK: define{{.*}}i64 @test_WithZst(i64 %_1) #[no_mangle] pub extern "C" fn test_WithZst(_: WithZst) -> WithZst { loop {} } @@ -39,14 +39,14 @@ pub extern "C" fn test_WithZst(_: WithZst) -> WithZst { loop {} } pub struct WithZeroSizedArray(*const f32, [i8; 0]); // Apparently we use i32* when newtype-unwrapping f32 pointers. Whatever. -// CHECK: define i32* @test_WithZeroSizedArray(i32* %_1) +// CHECK: define{{.*}}i32* @test_WithZeroSizedArray(i32* %_1) #[no_mangle] pub extern "C" fn test_WithZeroSizedArray(_: WithZeroSizedArray) -> WithZeroSizedArray { loop {} } #[repr(transparent)] pub struct Generic(T); -// CHECK: define double @test_Generic(double %_1) +// CHECK: define{{.*}}double @test_Generic(double %_1) #[no_mangle] pub extern "C" fn test_Generic(_: Generic) -> Generic { loop {} } @@ -56,14 +56,14 @@ pub struct GenericPlusZst(T, Zst2); #[repr(u8)] pub enum Bool { True, False, FileNotFound } -// CHECK: define{{( zeroext)?}} i8 @test_Gpz(i8{{( zeroext)?}} %_1) +// CHECK: define{{( dso_local)?}}{{( zeroext)?}} i8 @test_Gpz(i8{{( zeroext)?}} %_1) #[no_mangle] pub extern "C" fn test_Gpz(_: GenericPlusZst) -> GenericPlusZst { loop {} } #[repr(transparent)] pub struct LifetimePhantom<'a, T: 'a>(*const T, PhantomData<&'a T>); -// CHECK: define i16* @test_LifetimePhantom(i16* %_1) +// CHECK: define{{.*}}i16* @test_LifetimePhantom(i16* %_1) #[no_mangle] pub extern "C" fn test_LifetimePhantom(_: LifetimePhantom) -> LifetimePhantom { loop {} } @@ -73,28 +73,28 @@ pub struct UnitPhantom { val: T, unit: PhantomData } pub struct Px; -// CHECK: define float @test_UnitPhantom(float %_1) +// CHECK: define{{.*}}float @test_UnitPhantom(float %_1) #[no_mangle] pub extern "C" fn test_UnitPhantom(_: UnitPhantom) -> UnitPhantom { loop {} } #[repr(transparent)] pub struct TwoZsts(Zst1, i8, Zst2); -// CHECK: define{{( signext)?}} i8 @test_TwoZsts(i8{{( signext)?}} %_1) +// CHECK: define{{( dso_local)?}}{{( signext)?}} i8 @test_TwoZsts(i8{{( signext)?}} %_1) #[no_mangle] pub extern "C" fn test_TwoZsts(_: TwoZsts) -> TwoZsts { loop {} } #[repr(transparent)] pub struct Nested1(Zst2, Generic); -// CHECK: define double @test_Nested1(double %_1) +// CHECK: define{{.*}}double @test_Nested1(double %_1) #[no_mangle] pub extern "C" fn test_Nested1(_: Nested1) -> Nested1 { loop {} } #[repr(transparent)] pub struct Nested2(Nested1, Zst1); -// CHECK: define double @test_Nested2(double %_1) +// CHECK: define{{.*}}double @test_Nested2(double %_1) #[no_mangle] pub extern "C" fn test_Nested2(_: Nested2) -> Nested2 { loop {} } @@ -104,7 +104,7 @@ struct f32x4(f32, f32, f32, f32); #[repr(transparent)] pub struct Vector(f32x4); -// CHECK: define <4 x float> @test_Vector(<4 x float> %_1) +// CHECK: define{{.*}}<4 x float> @test_Vector(<4 x float> %_1) #[no_mangle] pub extern "C" fn test_Vector(_: Vector) -> Vector { loop {} } @@ -114,7 +114,7 @@ impl Mirror for T { type It = Self; } #[repr(transparent)] pub struct StructWithProjection(::It); -// CHECK: define float @test_Projection(float %_1) +// CHECK: define{{.*}}float @test_Projection(float %_1) #[no_mangle] pub extern "C" fn test_Projection(_: StructWithProjection) -> StructWithProjection { loop {} } @@ -123,7 +123,7 @@ pub enum EnumF32 { Variant(F32) } -// CHECK: define float @test_EnumF32(float %_1) +// CHECK: define{{.*}}float @test_EnumF32(float %_1) #[no_mangle] pub extern "C" fn test_EnumF32(_: EnumF32) -> EnumF32 { loop {} } @@ -132,7 +132,7 @@ pub enum EnumF32WithZsts { Variant(Zst1, F32, Zst2) } -// CHECK: define float @test_EnumF32WithZsts(float %_1) +// CHECK: define{{.*}}float @test_EnumF32WithZsts(float %_1) #[no_mangle] pub extern "C" fn test_EnumF32WithZsts(_: EnumF32WithZsts) -> EnumF32WithZsts { loop {} } @@ -141,7 +141,7 @@ pub union UnionF32 { field: F32, } -// CHECK: define float @test_UnionF32(float %_1) +// CHECK: define{{.*}}float @test_UnionF32(float %_1) #[no_mangle] pub extern "C" fn test_UnionF32(_: UnionF32) -> UnionF32 { loop {} } @@ -152,7 +152,7 @@ pub union UnionF32WithZsts { zst2: Zst2, } -// CHECK: define float @test_UnionF32WithZsts(float %_1) +// CHECK: define{{.*}}float @test_UnionF32WithZsts(float %_1) #[no_mangle] pub extern "C" fn test_UnionF32WithZsts(_: UnionF32WithZsts) -> UnionF32WithZsts { loop {} } diff --git a/src/test/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs b/src/test/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs index 180ba07764b6..693f0d99c4ff 100644 --- a/src/test/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs +++ b/src/test/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags: -C no-prepopulate-passes // only-riscv64 // only-linux diff --git a/src/test/codegen/riscv-abi/riscv64-lp64d-abi.rs b/src/test/codegen/riscv-abi/riscv64-lp64d-abi.rs index 0b6e1878d4d3..1555acadfbcc 100644 --- a/src/test/codegen/riscv-abi/riscv64-lp64d-abi.rs +++ b/src/test/codegen/riscv-abi/riscv64-lp64d-abi.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags: -C no-prepopulate-passes // only-riscv64 // only-linux diff --git a/src/test/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs b/src/test/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs index 1cea6e3db2a8..f08fabed421d 100644 --- a/src/test/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs +++ b/src/test/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags: -C no-prepopulate-passes // only-riscv64 // only-linux diff --git a/src/test/codegen/sanitizer-recover.rs b/src/test/codegen/sanitizer-recover.rs index 433d32abd37c..7ce0fa0a20fc 100644 --- a/src/test/codegen/sanitizer-recover.rs +++ b/src/test/codegen/sanitizer-recover.rs @@ -16,27 +16,27 @@ // MSAN-RECOVER: @__msan_keep_going = weak_odr {{.*}}constant i32 1 // MSAN-RECOVER-LTO: @__msan_keep_going = weak_odr {{.*}}constant i32 1 -// ASAN-LABEL: define i32 @penguin( +// ASAN-LABEL: define dso_local i32 @penguin( // ASAN: call void @__asan_report_load4(i64 %0) // ASAN: unreachable // ASAN: } // -// ASAN-RECOVER-LABEL: define i32 @penguin( +// ASAN-RECOVER-LABEL: define dso_local i32 @penguin( // ASAN-RECOVER: call void @__asan_report_load4_noabort( // ASAN-RECOVER-NOT: unreachable // ASAN: } // -// MSAN-LABEL: define i32 @penguin( +// MSAN-LABEL: define dso_local i32 @penguin( // MSAN: call void @__msan_warning{{(_with_origin_noreturn\(i32 0\)|_noreturn\(\))}} // MSAN: unreachable // MSAN: } // -// MSAN-RECOVER-LABEL: define i32 @penguin( +// MSAN-RECOVER-LABEL: define dso_local i32 @penguin( // MSAN-RECOVER: call void @__msan_warning{{(_with_origin\(i32 0\)|\(\))}} // MSAN-RECOVER-NOT: unreachable // MSAN-RECOVER: } // -// MSAN-RECOVER-LTO-LABEL: define i32 @penguin( +// MSAN-RECOVER-LTO-LABEL: define dso_local i32 @penguin( // MSAN-RECOVER-LTO: call void @__msan_warning{{(_with_origin\(i32 0\)|\(\))}} // MSAN-RECOVER-LTO-NOT: unreachable // MSAN-RECOVER-LTO: } diff --git a/src/test/codegen/scalar-pair-bool.rs b/src/test/codegen/scalar-pair-bool.rs index 4704c8ad797d..473272158d09 100644 --- a/src/test/codegen/scalar-pair-bool.rs +++ b/src/test/codegen/scalar-pair-bool.rs @@ -2,25 +2,25 @@ #![crate_type = "lib"] -// CHECK: define { i8, i8 } @pair_bool_bool(i1 zeroext %pair.0, i1 zeroext %pair.1) +// CHECK: define{{.*}}{ i8, i8 } @pair_bool_bool(i1 zeroext %pair.0, i1 zeroext %pair.1) #[no_mangle] pub fn pair_bool_bool(pair: (bool, bool)) -> (bool, bool) { pair } -// CHECK: define { i8, i32 } @pair_bool_i32(i1 zeroext %pair.0, i32 %pair.1) +// CHECK: define{{.*}}{ i8, i32 } @pair_bool_i32(i1 zeroext %pair.0, i32 %pair.1) #[no_mangle] pub fn pair_bool_i32(pair: (bool, i32)) -> (bool, i32) { pair } -// CHECK: define { i32, i8 } @pair_i32_bool(i32 %pair.0, i1 zeroext %pair.1) +// CHECK: define{{.*}}{ i32, i8 } @pair_i32_bool(i32 %pair.0, i1 zeroext %pair.1) #[no_mangle] pub fn pair_i32_bool(pair: (i32, bool)) -> (i32, bool) { pair } -// CHECK: define { i8, i8 } @pair_and_or(i1 zeroext %_1.0, i1 zeroext %_1.1) +// CHECK: define{{.*}}{ i8, i8 } @pair_and_or(i1 zeroext %_1.0, i1 zeroext %_1.1) #[no_mangle] pub fn pair_and_or((a, b): (bool, bool)) -> (bool, bool) { // Make sure it can operate directly on the unpacked args @@ -30,7 +30,7 @@ pub fn pair_and_or((a, b): (bool, bool)) -> (bool, bool) { (a && b, a || b) } -// CHECK: define void @pair_branches(i1 zeroext %_1.0, i1 zeroext %_1.1) +// CHECK: define{{.*}}void @pair_branches(i1 zeroext %_1.0, i1 zeroext %_1.1) #[no_mangle] pub fn pair_branches((a, b): (bool, bool)) { // Make sure it can branch directly on the unpacked bool args diff --git a/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs b/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs index 267c995e0704..6fb0ceb4025b 100644 --- a/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs +++ b/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs @@ -1,5 +1,5 @@ // compile-flags: -C no-prepopulate-passes -// ignore-tidy-linelength +// #![crate_type = "lib"] diff --git a/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-bitmask.rs b/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-bitmask.rs index 87c8b0d87d8b..4a98d797b526 100644 --- a/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-bitmask.rs +++ b/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-bitmask.rs @@ -1,5 +1,5 @@ // compile-flags: -C no-prepopulate-passes -// ignore-tidy-linelength +// #![crate_type = "lib"] diff --git a/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-gather.rs b/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-gather.rs index 3b1f4398f900..e2e0fc16dfa9 100644 --- a/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-gather.rs +++ b/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-gather.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags: -C no-prepopulate-passes diff --git a/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-scatter.rs b/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-scatter.rs index 9fce849e5238..050a0e5b4262 100644 --- a/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-scatter.rs +++ b/src/test/codegen/simd-intrinsic/simd-intrinsic-generic-scatter.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags: -C no-prepopulate-passes diff --git a/src/test/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs b/src/test/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs index ae13d91ddeba..7d9b0d2a77bc 100644 --- a/src/test/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs +++ b/src/test/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs @@ -1,4 +1,4 @@ -// ignore-tidy-linelength +// // compile-flags: -C no-prepopulate-passes #![crate_type = "lib"] diff --git a/src/test/codegen/staticlib-external-inline-fns.rs b/src/test/codegen/staticlib-external-inline-fns.rs index 8876ab7376af..432c063e826e 100644 --- a/src/test/codegen/staticlib-external-inline-fns.rs +++ b/src/test/codegen/staticlib-external-inline-fns.rs @@ -2,42 +2,42 @@ #![crate_type = "staticlib"] -// CHECK: define void @a() +// CHECK: define{{.*}}void @a() #[no_mangle] #[inline] pub extern "C" fn a() {} -// CHECK: define void @b() +// CHECK: define{{.*}}void @b() #[export_name = "b"] #[inline] pub extern "C" fn b() {} -// CHECK: define void @c() +// CHECK: define{{.*}}void @c() #[no_mangle] #[inline] extern "C" fn c() {} -// CHECK: define void @d() +// CHECK: define{{.*}}void @d() #[export_name = "d"] #[inline] extern "C" fn d() {} -// CHECK: define void @e() +// CHECK: define{{.*}}void @e() #[no_mangle] #[inline(always)] pub extern "C" fn e() {} -// CHECK: define void @f() +// CHECK: define{{.*}}void @f() #[export_name = "f"] #[inline(always)] pub extern "C" fn f() {} -// CHECK: define void @g() +// CHECK: define{{.*}}void @g() #[no_mangle] #[inline(always)] extern "C" fn g() {} -// CHECK: define void @h() +// CHECK: define{{.*}}void @h() #[export_name = "h"] #[inline(always)] extern "C" fn h() {} diff --git a/src/test/codegen/stores.rs b/src/test/codegen/stores.rs index 4ea003e99ad2..17f051a5bce0 100644 --- a/src/test/codegen/stores.rs +++ b/src/test/codegen/stores.rs @@ -1,5 +1,5 @@ // compile-flags: -C no-prepopulate-passes -// ignore-tidy-linelength +// #![crate_type = "lib"] diff --git a/src/test/codegen/target-cpu-on-functions.rs b/src/test/codegen/target-cpu-on-functions.rs index 7544ac013095..c043eceb5cd1 100644 --- a/src/test/codegen/target-cpu-on-functions.rs +++ b/src/test/codegen/target-cpu-on-functions.rs @@ -2,7 +2,7 @@ // "target-cpu" attribute in LLVM. // no-prefer-dynamic -// ignore-tidy-linelength +// // compile-flags: -C no-prepopulate-passes -C panic=abort -C linker-plugin-lto -Cpasses=name-anon-globals #![crate_type = "staticlib"] diff --git a/src/test/codegen/transmute-scalar.rs b/src/test/codegen/transmute-scalar.rs index 78b4aa3fb885..e9584929f3a9 100644 --- a/src/test/codegen/transmute-scalar.rs +++ b/src/test/codegen/transmute-scalar.rs @@ -5,7 +5,7 @@ // FIXME(eddyb) all of these tests show memory stores and loads, even after a // scalar `bitcast`, more special-casing is required to remove `alloca` usage. -// CHECK: define i32 @f32_to_bits(float %x) +// CHECK-LABEL: define{{.*}}i32 @f32_to_bits(float %x) // CHECK: %2 = bitcast float %x to i32 // CHECK-NEXT: store i32 %2, i32* %0 // CHECK-NEXT: %3 = load i32, i32* %0 @@ -15,7 +15,7 @@ pub fn f32_to_bits(x: f32) -> u32 { unsafe { std::mem::transmute(x) } } -// CHECK: define i8 @bool_to_byte(i1 zeroext %b) +// CHECK-LABEL: define{{.*}}i8 @bool_to_byte(i1 zeroext %b) // CHECK: %1 = zext i1 %b to i8 // CHECK-NEXT: store i8 %1, i8* %0 // CHECK-NEXT: %2 = load i8, i8* %0 @@ -25,7 +25,7 @@ pub fn bool_to_byte(b: bool) -> u8 { unsafe { std::mem::transmute(b) } } -// CHECK: define zeroext i1 @byte_to_bool(i8 %byte) +// CHECK-LABEL: define{{.*}}zeroext i1 @byte_to_bool(i8 %byte) // CHECK: %1 = trunc i8 %byte to i1 // CHECK-NEXT: %2 = zext i1 %1 to i8 // CHECK-NEXT: store i8 %2, i8* %0 @@ -37,7 +37,7 @@ pub unsafe fn byte_to_bool(byte: u8) -> bool { std::mem::transmute(byte) } -// CHECK: define i8* @ptr_to_ptr(i16* %p) +// CHECK-LABEL: define{{.*}}i8* @ptr_to_ptr(i16* %p) // CHECK: %2 = bitcast i16* %p to i8* // CHECK-NEXT: store i8* %2, i8** %0 // CHECK-NEXT: %3 = load i8*, i8** %0 @@ -54,7 +54,7 @@ pub fn ptr_to_ptr(p: *mut u16) -> *mut u8 { // Tests below show the non-special-cased behavior (with the possible // future special-cased instructions in the "NOTE(eddyb)" comments). -// CHECK: define [[USIZE:i[0-9]+]] @ptr_to_int(i16* %p) +// CHECK: define{{.*}}[[USIZE:i[0-9]+]] @ptr_to_int(i16* %p) // NOTE(eddyb) see above, the following two CHECK lines should ideally be this: // %2 = ptrtoint i16* %p to [[USIZE]] @@ -69,7 +69,7 @@ pub fn ptr_to_int(p: *mut u16) -> usize { unsafe { std::mem::transmute(p) } } -// CHECK: define i16* @int_to_ptr([[USIZE]] %i) +// CHECK: define{{.*}}i16* @int_to_ptr([[USIZE]] %i) // NOTE(eddyb) see above, the following two CHECK lines should ideally be this: // %2 = inttoptr [[USIZE]] %i to i16* diff --git a/src/test/codegen/tune-cpu-on-functions.rs b/src/test/codegen/tune-cpu-on-functions.rs index 9121799cdbff..ed8dc0e93837 100644 --- a/src/test/codegen/tune-cpu-on-functions.rs +++ b/src/test/codegen/tune-cpu-on-functions.rs @@ -2,7 +2,7 @@ // "tune-cpu" attribute in LLVM. // no-prefer-dynamic -// ignore-tidy-linelength +// // compile-flags: -C no-prepopulate-passes -C panic=abort -C linker-plugin-lto -Cpasses=name-anon-globals -Z tune-cpu=generic #![crate_type = "staticlib"] diff --git a/src/test/codegen/unwind-extern-imports.rs b/src/test/codegen/unwind-extern-imports.rs index a2ba24aca259..e28397eb1392 100644 --- a/src/test/codegen/unwind-extern-imports.rs +++ b/src/test/codegen/unwind-extern-imports.rs @@ -6,28 +6,28 @@ extern "C" { // CHECK: Function Attrs:{{.*}}nounwind -// CHECK-NEXT: declare void @extern_fn +// CHECK-NEXT: declare{{.*}}void @extern_fn fn extern_fn(); // CHECK-NOT: Function Attrs:{{.*}}nounwind -// CHECK: declare void @unwinding_extern_fn +// CHECK: declare{{.*}}void @unwinding_extern_fn #[unwind(allowed)] fn unwinding_extern_fn(); // CHECK-NOT: nounwind -// CHECK: declare void @aborting_extern_fn +// CHECK: declare{{.*}}void @aborting_extern_fn #[unwind(aborts)] fn aborting_extern_fn(); // FIXME: we want to have the attribute here } extern "Rust" { // CHECK-NOT: nounwind -// CHECK: declare void @rust_extern_fn +// CHECK: declare{{.*}}void @rust_extern_fn fn rust_extern_fn(); // CHECK-NOT: nounwind -// CHECK: declare void @rust_unwinding_extern_fn +// CHECK: declare{{.*}}void @rust_unwinding_extern_fn #[unwind(allowed)] fn rust_unwinding_extern_fn(); // CHECK-NOT: nounwind -// CHECK: declare void @rust_aborting_extern_fn +// CHECK: declare{{.*}}void @rust_aborting_extern_fn #[unwind(aborts)] fn rust_aborting_extern_fn(); // FIXME: we want to have the attribute here } diff --git a/src/test/codegen/var-names.rs b/src/test/codegen/var-names.rs index 3140a7c6b6cc..8f1b038708e6 100644 --- a/src/test/codegen/var-names.rs +++ b/src/test/codegen/var-names.rs @@ -2,7 +2,7 @@ #![crate_type = "lib"] -// CHECK-LABEL: define i32 @test(i32 %a, i32 %b) +// CHECK-LABEL: define{{.*}}i32 @test(i32 %a, i32 %b) #[no_mangle] pub fn test(a: u32, b: u32) -> u32 { let c = a + b; diff --git a/src/test/debuginfo/borrowed-enum.rs b/src/test/debuginfo/borrowed-enum.rs index 85e11c10c688..f3e465dc652d 100644 --- a/src/test/debuginfo/borrowed-enum.rs +++ b/src/test/debuginfo/borrowed-enum.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // Require a gdb or lldb that can read DW_TAG_variant_part. // min-gdb-version: 8.2 // rust-lldb diff --git a/src/test/debuginfo/boxed-struct.rs b/src/test/debuginfo/boxed-struct.rs index 04bdf7289013..155088c61fe3 100644 --- a/src/test/debuginfo/boxed-struct.rs +++ b/src/test/debuginfo/boxed-struct.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // min-lldb-version: 310 // compile-flags:-g diff --git a/src/test/debuginfo/by-value-non-immediate-argument.rs b/src/test/debuginfo/by-value-non-immediate-argument.rs index 11a115e23938..b417567dcfec 100644 --- a/src/test/debuginfo/by-value-non-immediate-argument.rs +++ b/src/test/debuginfo/by-value-non-immediate-argument.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // ignore-test // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155 // min-lldb-version: 310 diff --git a/src/test/debuginfo/c-style-enum-in-composite.rs b/src/test/debuginfo/c-style-enum-in-composite.rs index f859fe8d1ce0..2ed49de58cd2 100644 --- a/src/test/debuginfo/c-style-enum-in-composite.rs +++ b/src/test/debuginfo/c-style-enum-in-composite.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // min-lldb-version: 310 // compile-flags:-g diff --git a/src/test/debuginfo/c-style-enum.rs b/src/test/debuginfo/c-style-enum.rs index 5706d5c4cc6a..dce34fc0dcf5 100644 --- a/src/test/debuginfo/c-style-enum.rs +++ b/src/test/debuginfo/c-style-enum.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // ignore-aarch64 // ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155 // min-lldb-version: 310 diff --git a/src/test/debuginfo/destructured-for-loop-variable.rs b/src/test/debuginfo/destructured-for-loop-variable.rs index 868f2285f357..1532c83dfac3 100644 --- a/src/test/debuginfo/destructured-for-loop-variable.rs +++ b/src/test/debuginfo/destructured-for-loop-variable.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // min-lldb-version: 310 // This fails on lldb 6.0.1 on x86-64 Fedora 28; so mark it macOS-only diff --git a/src/test/debuginfo/evec-in-struct.rs b/src/test/debuginfo/evec-in-struct.rs index 2033966adad4..0d94cd224ec0 100644 --- a/src/test/debuginfo/evec-in-struct.rs +++ b/src/test/debuginfo/evec-in-struct.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // min-lldb-version: 310 // compile-flags:-g diff --git a/src/test/debuginfo/function-arg-initialization.rs b/src/test/debuginfo/function-arg-initialization.rs index 8c86d2cf435b..dea1339517b4 100644 --- a/src/test/debuginfo/function-arg-initialization.rs +++ b/src/test/debuginfo/function-arg-initialization.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // ignore-test // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155 // min-lldb-version: 310 diff --git a/src/test/debuginfo/gdb-pretty-struct-and-enums.rs b/src/test/debuginfo/gdb-pretty-struct-and-enums.rs index 2a8359de522f..3314f0a4e43c 100644 --- a/src/test/debuginfo/gdb-pretty-struct-and-enums.rs +++ b/src/test/debuginfo/gdb-pretty-struct-and-enums.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // ignore-lldb // ignore-android: FIXME(#10381) // min-gdb-version: 8.1 diff --git a/src/test/debuginfo/generator-objects.rs b/src/test/debuginfo/generator-objects.rs index 0023f69d27fb..b65471011fd2 100644 --- a/src/test/debuginfo/generator-objects.rs +++ b/src/test/debuginfo/generator-objects.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // Require a gdb that can read DW_TAG_variant_part. // min-gdb-version: 8.2 diff --git a/src/test/debuginfo/generic-method-on-generic-struct.rs b/src/test/debuginfo/generic-method-on-generic-struct.rs index f7767292222b..85fe8ac08f3c 100644 --- a/src/test/debuginfo/generic-method-on-generic-struct.rs +++ b/src/test/debuginfo/generic-method-on-generic-struct.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // compile-flags:-g // Some versions of the non-rust-enabled LLDB print the wrong generic diff --git a/src/test/debuginfo/generic-struct-style-enum.rs b/src/test/debuginfo/generic-struct-style-enum.rs index 678ca8df0406..764330ae27f5 100644 --- a/src/test/debuginfo/generic-struct-style-enum.rs +++ b/src/test/debuginfo/generic-struct-style-enum.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // min-lldb-version: 310 // Require a gdb that can read DW_TAG_variant_part. diff --git a/src/test/debuginfo/generic-struct.rs b/src/test/debuginfo/generic-struct.rs index 1d122ce285dd..170a610c621c 100644 --- a/src/test/debuginfo/generic-struct.rs +++ b/src/test/debuginfo/generic-struct.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // Some versions of the non-rust-enabled LLDB print the wrong generic // parameter type names in this test. // rust-lldb diff --git a/src/test/debuginfo/generic-tuple-style-enum.rs b/src/test/debuginfo/generic-tuple-style-enum.rs index 89aa78a6e104..60362e54e7db 100644 --- a/src/test/debuginfo/generic-tuple-style-enum.rs +++ b/src/test/debuginfo/generic-tuple-style-enum.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // Require a gdb or lldb that can read DW_TAG_variant_part. // min-gdb-version: 8.2 // rust-lldb diff --git a/src/test/debuginfo/issue-57822.rs b/src/test/debuginfo/issue-57822.rs index c2cc6f9d24ca..a68e4c0a5565 100644 --- a/src/test/debuginfo/issue-57822.rs +++ b/src/test/debuginfo/issue-57822.rs @@ -3,7 +3,6 @@ // Require a gdb that can read DW_TAG_variant_part. // min-gdb-version: 8.2 -// ignore-tidy-linelength // compile-flags:-g diff --git a/src/test/debuginfo/method-on-enum.rs b/src/test/debuginfo/method-on-enum.rs index 94ca0289b78b..80f4c2e1150e 100644 --- a/src/test/debuginfo/method-on-enum.rs +++ b/src/test/debuginfo/method-on-enum.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // min-lldb-version: 310 // ignore-test // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155 diff --git a/src/test/debuginfo/option-like-enum.rs b/src/test/debuginfo/option-like-enum.rs index 67a3d133ed3d..04d08b9e6a5c 100644 --- a/src/test/debuginfo/option-like-enum.rs +++ b/src/test/debuginfo/option-like-enum.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // ignore-test // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155 // min-lldb-version: 310 diff --git a/src/test/debuginfo/packed-struct-with-destructor.rs b/src/test/debuginfo/packed-struct-with-destructor.rs index 380e882a0fba..196d85b4181f 100644 --- a/src/test/debuginfo/packed-struct-with-destructor.rs +++ b/src/test/debuginfo/packed-struct-with-destructor.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // min-lldb-version: 310 // compile-flags:-g diff --git a/src/test/debuginfo/packed-struct.rs b/src/test/debuginfo/packed-struct.rs index 9654847ce5de..7d1893a9431c 100644 --- a/src/test/debuginfo/packed-struct.rs +++ b/src/test/debuginfo/packed-struct.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // min-lldb-version: 310 // ignore-gdb-version: 7.11.90 - 7.12.9 diff --git a/src/test/debuginfo/pretty-std-collections.rs b/src/test/debuginfo/pretty-std-collections.rs index 8026550882d0..93597aa7e235 100644 --- a/src/test/debuginfo/pretty-std-collections.rs +++ b/src/test/debuginfo/pretty-std-collections.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // ignore-windows failing on win32 bot // ignore-freebsd: gdb package too new // ignore-android: FIXME(#10381) diff --git a/src/test/debuginfo/simd.rs b/src/test/debuginfo/simd.rs index e41acc2e1ec7..b7bfe44b6ec4 100644 --- a/src/test/debuginfo/simd.rs +++ b/src/test/debuginfo/simd.rs @@ -1,6 +1,5 @@ // Need a fix for LLDB first... // ignore-lldb -// ignore-tidy-linelength // FIXME: LLVM generates invalid debug info for variables requiring // dynamic stack realignment, which is the case on s390x for vector diff --git a/src/test/debuginfo/simple-struct.rs b/src/test/debuginfo/simple-struct.rs index 49aa3bcbcaaa..aa3cf023a718 100644 --- a/src/test/debuginfo/simple-struct.rs +++ b/src/test/debuginfo/simple-struct.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // min-lldb-version: 310 // ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155 diff --git a/src/test/debuginfo/struct-in-enum.rs b/src/test/debuginfo/struct-in-enum.rs index db20e9d3e454..41d15af14ede 100644 --- a/src/test/debuginfo/struct-in-enum.rs +++ b/src/test/debuginfo/struct-in-enum.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // min-lldb-version: 310 // ignore-gdb-version: 7.11.90 - 7.12.9 // ignore-test // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155 diff --git a/src/test/debuginfo/struct-in-struct.rs b/src/test/debuginfo/struct-in-struct.rs index a76a4c05d9bd..a9e7797ec700 100644 --- a/src/test/debuginfo/struct-in-struct.rs +++ b/src/test/debuginfo/struct-in-struct.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // min-lldb-version: 310 // compile-flags:-g diff --git a/src/test/debuginfo/struct-style-enum.rs b/src/test/debuginfo/struct-style-enum.rs index 34f75a4e3045..3d819e368988 100644 --- a/src/test/debuginfo/struct-style-enum.rs +++ b/src/test/debuginfo/struct-style-enum.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // Require a gdb or lldb that can read DW_TAG_variant_part. // min-gdb-version: 8.2 // rust-lldb diff --git a/src/test/debuginfo/struct-with-destructor.rs b/src/test/debuginfo/struct-with-destructor.rs index ebae953cb4b0..4334cd9028b8 100644 --- a/src/test/debuginfo/struct-with-destructor.rs +++ b/src/test/debuginfo/struct-with-destructor.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // min-lldb-version: 310 // compile-flags:-g diff --git a/src/test/debuginfo/tuple-in-struct.rs b/src/test/debuginfo/tuple-in-struct.rs index c43c1f7bf6da..759eab8e8a0c 100644 --- a/src/test/debuginfo/tuple-in-struct.rs +++ b/src/test/debuginfo/tuple-in-struct.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // min-lldb-version: 310 // compile-flags:-g diff --git a/src/test/debuginfo/tuple-struct.rs b/src/test/debuginfo/tuple-struct.rs index 78b6e6a54dbc..b8702f970a3a 100644 --- a/src/test/debuginfo/tuple-struct.rs +++ b/src/test/debuginfo/tuple-struct.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // min-lldb-version: 310 // compile-flags:-g diff --git a/src/test/debuginfo/tuple-style-enum.rs b/src/test/debuginfo/tuple-style-enum.rs index 87b0bc6294dd..39ead172e651 100644 --- a/src/test/debuginfo/tuple-style-enum.rs +++ b/src/test/debuginfo/tuple-style-enum.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // Require a gdb or lldb that can read DW_TAG_variant_part. // min-gdb-version: 8.2 // rust-lldb diff --git a/src/test/debuginfo/type-names.rs b/src/test/debuginfo/type-names.rs index 43e68fedbfaf..cc4a4476d160 100644 --- a/src/test/debuginfo/type-names.rs +++ b/src/test/debuginfo/type-names.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // ignore-lldb // ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155 diff --git a/src/test/debuginfo/vec-slices.rs b/src/test/debuginfo/vec-slices.rs index c385491bd1d5..e109b1bf2aea 100644 --- a/src/test/debuginfo/vec-slices.rs +++ b/src/test/debuginfo/vec-slices.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // ignore-windows // ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155 // min-lldb-version: 310 diff --git a/src/test/incremental/hashes/extern_mods.rs b/src/test/incremental/hashes/extern_mods.rs index 7a923134331a..93e70d3792ce 100644 --- a/src/test/incremental/hashes/extern_mods.rs +++ b/src/test/incremental/hashes/extern_mods.rs @@ -12,7 +12,6 @@ #![allow(warnings)] #![feature(rustc_attrs)] #![feature(unboxed_closures)] -#![feature(link_args)] #![crate_type = "rlib"] // Change function name -------------------------------------------------------- @@ -146,21 +145,6 @@ extern "C" { pub fn add_function2(); } -// Change link-args ------------------------------------------------------------ -#[cfg(cfail1)] -#[link_args = "-foo -bar"] -extern "C" { - pub fn change_link_args(c: i32); -} - -#[cfg(not(cfail1))] -#[rustc_dirty(cfg = "cfail2", except = "hir_owner,hir_owner_nodes")] -#[rustc_clean(cfg = "cfail3")] -#[link_args = "-foo -bar -baz"] -extern "C" { - pub fn change_link_args(c: i32); -} - // Change link-name ------------------------------------------------------------ #[cfg(cfail1)] #[link(name = "foo")] diff --git a/src/test/incremental/hashes/function_interfaces.rs b/src/test/incremental/hashes/function_interfaces.rs index ed67b2dcb048..c8530c70f78d 100644 --- a/src/test/incremental/hashes/function_interfaces.rs +++ b/src/test/incremental/hashes/function_interfaces.rs @@ -118,7 +118,7 @@ pub fn type_parameter() {} pub fn lifetime_parameter() {} #[cfg(not(cfail1))] -#[rustc_clean(cfg = "cfail2", except = "hir_owner, hir_owner_nodes, generics_of")] +#[rustc_clean(cfg = "cfail2", except = "hir_owner, hir_owner_nodes, generics_of,fn_sig")] #[rustc_clean(cfg = "cfail3")] pub fn lifetime_parameter<'a>() {} @@ -150,7 +150,7 @@ pub fn lifetime_bound<'a, T>() {} #[cfg(not(cfail1))] #[rustc_clean( cfg = "cfail2", - except = "hir_owner, hir_owner_nodes, generics_of, type_of, predicates_of" + except = "hir_owner, hir_owner_nodes, generics_of, type_of, predicates_of,fn_sig" )] #[rustc_clean(cfg = "cfail3")] pub fn lifetime_bound<'a, T: 'a>() {} @@ -183,7 +183,7 @@ pub fn second_lifetime_bound<'a, 'b, T: 'a>() {} #[cfg(not(cfail1))] #[rustc_clean( cfg = "cfail2", - except = "hir_owner, hir_owner_nodes, generics_of, type_of, predicates_of" + except = "hir_owner, hir_owner_nodes, generics_of, type_of, predicates_of,fn_sig" )] #[rustc_clean(cfg = "cfail3")] pub fn second_lifetime_bound<'a, 'b, T: 'a + 'b>() {} diff --git a/src/test/incremental/hashes/inherent_impls.rs b/src/test/incremental/hashes/inherent_impls.rs index ae8f2ace217d..ee7b258cec4e 100644 --- a/src/test/incremental/hashes/inherent_impls.rs +++ b/src/test/incremental/hashes/inherent_impls.rs @@ -312,7 +312,7 @@ impl Foo { // if we lower generics before the body, then the `HirId` for // things in the body will be affected. So if you start to see // `typeck` appear dirty, that might be the cause. -nmatsakis - #[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes")] + #[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,fn_sig")] #[rustc_clean(cfg="cfail3")] pub fn add_lifetime_parameter_to_method<'a>(&self) { } } @@ -360,7 +360,7 @@ impl Foo { impl Foo { #[rustc_clean( cfg="cfail2", - except="hir_owner,hir_owner_nodes,generics_of,predicates_of,type_of" + except="hir_owner,hir_owner_nodes,generics_of,predicates_of,type_of,fn_sig" )] #[rustc_clean(cfg="cfail3")] pub fn add_lifetime_bound_to_lifetime_param_of_method<'a, 'b: 'a>(&self) { } @@ -388,7 +388,7 @@ impl Foo { // body will be affected. So if you start to see `typeck` // appear dirty, that might be the cause. -nmatsakis #[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,generics_of,predicates_of,\ - type_of")] + type_of,fn_sig")] #[rustc_clean(cfg="cfail3")] pub fn add_lifetime_bound_to_type_param_of_method<'a, T: 'a>(&self) { } } diff --git a/src/test/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir b/src/test/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir index a95681126205..9fa478f8a826 100644 --- a/src/test/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir +++ b/src/test/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir @@ -130,12 +130,12 @@ fn address_of_reborrow() -> () { StorageLive(_2); // scope 0 at $DIR/address-of.rs:4:14: 4:21 _2 = [const 0_i32; 10]; // scope 0 at $DIR/address-of.rs:4:14: 4:21 _1 = &_2; // scope 0 at $DIR/address-of.rs:4:13: 4:21 - FakeRead(ForLet, _1); // scope 0 at $DIR/address-of.rs:4:9: 4:10 + FakeRead(ForLet(None), _1); // scope 0 at $DIR/address-of.rs:4:9: 4:10 StorageLive(_3); // scope 1 at $DIR/address-of.rs:5:9: 5:14 StorageLive(_4); // scope 1 at $DIR/address-of.rs:5:22: 5:29 _4 = [const 0_i32; 10]; // scope 1 at $DIR/address-of.rs:5:22: 5:29 _3 = &mut _4; // scope 1 at $DIR/address-of.rs:5:17: 5:29 - FakeRead(ForLet, _3); // scope 1 at $DIR/address-of.rs:5:9: 5:14 + FakeRead(ForLet(None), _3); // scope 1 at $DIR/address-of.rs:5:9: 5:14 StorageLive(_5); // scope 2 at $DIR/address-of.rs:7:5: 7:18 StorageLive(_6); // scope 2 at $DIR/address-of.rs:7:5: 7:18 _6 = &raw const (*_1); // scope 2 at $DIR/address-of.rs:7:5: 7:6 @@ -170,25 +170,25 @@ fn address_of_reborrow() -> () { StorageDead(_13); // scope 2 at $DIR/address-of.rs:11:20: 11:21 StorageLive(_15); // scope 2 at $DIR/address-of.rs:13:9: 13:10 _15 = &raw const (*_1); // scope 2 at $DIR/address-of.rs:13:23: 13:24 - FakeRead(ForLet, _15); // scope 2 at $DIR/address-of.rs:13:9: 13:10 + FakeRead(ForLet(None), _15); // scope 2 at $DIR/address-of.rs:13:9: 13:10 AscribeUserType(_15, o, UserTypeProjection { base: UserType(3), projs: [] }); // scope 2 at $DIR/address-of.rs:13:12: 13:20 StorageLive(_16); // scope 3 at $DIR/address-of.rs:14:9: 14:10 _16 = &raw const (*_1); // scope 3 at $DIR/address-of.rs:14:31: 14:32 - FakeRead(ForLet, _16); // scope 3 at $DIR/address-of.rs:14:9: 14:10 + FakeRead(ForLet(None), _16); // scope 3 at $DIR/address-of.rs:14:9: 14:10 AscribeUserType(_16, o, UserTypeProjection { base: UserType(5), projs: [] }); // scope 3 at $DIR/address-of.rs:14:12: 14:28 StorageLive(_17); // scope 4 at $DIR/address-of.rs:15:9: 15:10 StorageLive(_18); // scope 4 at $DIR/address-of.rs:15:30: 15:31 _18 = &raw const (*_1); // scope 4 at $DIR/address-of.rs:15:30: 15:31 _17 = move _18 as *const dyn std::marker::Send (Pointer(Unsize)); // scope 4 at $DIR/address-of.rs:15:30: 15:31 StorageDead(_18); // scope 4 at $DIR/address-of.rs:15:30: 15:31 - FakeRead(ForLet, _17); // scope 4 at $DIR/address-of.rs:15:9: 15:10 + FakeRead(ForLet(None), _17); // scope 4 at $DIR/address-of.rs:15:9: 15:10 AscribeUserType(_17, o, UserTypeProjection { base: UserType(7), projs: [] }); // scope 4 at $DIR/address-of.rs:15:12: 15:27 StorageLive(_19); // scope 5 at $DIR/address-of.rs:16:9: 16:10 StorageLive(_20); // scope 5 at $DIR/address-of.rs:16:27: 16:28 _20 = &raw const (*_1); // scope 5 at $DIR/address-of.rs:16:27: 16:28 _19 = move _20 as *const [i32] (Pointer(Unsize)); // scope 5 at $DIR/address-of.rs:16:27: 16:28 StorageDead(_20); // scope 5 at $DIR/address-of.rs:16:27: 16:28 - FakeRead(ForLet, _19); // scope 5 at $DIR/address-of.rs:16:9: 16:10 + FakeRead(ForLet(None), _19); // scope 5 at $DIR/address-of.rs:16:9: 16:10 AscribeUserType(_19, o, UserTypeProjection { base: UserType(9), projs: [] }); // scope 5 at $DIR/address-of.rs:16:12: 16:24 StorageLive(_21); // scope 6 at $DIR/address-of.rs:18:5: 18:18 StorageLive(_22); // scope 6 at $DIR/address-of.rs:18:5: 18:18 @@ -218,25 +218,25 @@ fn address_of_reborrow() -> () { StorageDead(_27); // scope 6 at $DIR/address-of.rs:21:22: 21:23 StorageLive(_29); // scope 6 at $DIR/address-of.rs:23:9: 23:10 _29 = &raw const (*_3); // scope 6 at $DIR/address-of.rs:23:23: 23:24 - FakeRead(ForLet, _29); // scope 6 at $DIR/address-of.rs:23:9: 23:10 + FakeRead(ForLet(None), _29); // scope 6 at $DIR/address-of.rs:23:9: 23:10 AscribeUserType(_29, o, UserTypeProjection { base: UserType(13), projs: [] }); // scope 6 at $DIR/address-of.rs:23:12: 23:20 StorageLive(_30); // scope 7 at $DIR/address-of.rs:24:9: 24:10 _30 = &raw const (*_3); // scope 7 at $DIR/address-of.rs:24:31: 24:32 - FakeRead(ForLet, _30); // scope 7 at $DIR/address-of.rs:24:9: 24:10 + FakeRead(ForLet(None), _30); // scope 7 at $DIR/address-of.rs:24:9: 24:10 AscribeUserType(_30, o, UserTypeProjection { base: UserType(15), projs: [] }); // scope 7 at $DIR/address-of.rs:24:12: 24:28 StorageLive(_31); // scope 8 at $DIR/address-of.rs:25:9: 25:10 StorageLive(_32); // scope 8 at $DIR/address-of.rs:25:30: 25:31 _32 = &raw const (*_3); // scope 8 at $DIR/address-of.rs:25:30: 25:31 _31 = move _32 as *const dyn std::marker::Send (Pointer(Unsize)); // scope 8 at $DIR/address-of.rs:25:30: 25:31 StorageDead(_32); // scope 8 at $DIR/address-of.rs:25:30: 25:31 - FakeRead(ForLet, _31); // scope 8 at $DIR/address-of.rs:25:9: 25:10 + FakeRead(ForLet(None), _31); // scope 8 at $DIR/address-of.rs:25:9: 25:10 AscribeUserType(_31, o, UserTypeProjection { base: UserType(17), projs: [] }); // scope 8 at $DIR/address-of.rs:25:12: 25:27 StorageLive(_33); // scope 9 at $DIR/address-of.rs:26:9: 26:10 StorageLive(_34); // scope 9 at $DIR/address-of.rs:26:27: 26:28 _34 = &raw const (*_3); // scope 9 at $DIR/address-of.rs:26:27: 26:28 _33 = move _34 as *const [i32] (Pointer(Unsize)); // scope 9 at $DIR/address-of.rs:26:27: 26:28 StorageDead(_34); // scope 9 at $DIR/address-of.rs:26:27: 26:28 - FakeRead(ForLet, _33); // scope 9 at $DIR/address-of.rs:26:9: 26:10 + FakeRead(ForLet(None), _33); // scope 9 at $DIR/address-of.rs:26:9: 26:10 AscribeUserType(_33, o, UserTypeProjection { base: UserType(19), projs: [] }); // scope 9 at $DIR/address-of.rs:26:12: 26:24 StorageLive(_35); // scope 10 at $DIR/address-of.rs:28:5: 28:16 StorageLive(_36); // scope 10 at $DIR/address-of.rs:28:5: 28:16 @@ -266,25 +266,25 @@ fn address_of_reborrow() -> () { StorageDead(_41); // scope 10 at $DIR/address-of.rs:31:20: 31:21 StorageLive(_43); // scope 10 at $DIR/address-of.rs:33:9: 33:10 _43 = &raw mut (*_3); // scope 10 at $DIR/address-of.rs:33:21: 33:22 - FakeRead(ForLet, _43); // scope 10 at $DIR/address-of.rs:33:9: 33:10 + FakeRead(ForLet(None), _43); // scope 10 at $DIR/address-of.rs:33:9: 33:10 AscribeUserType(_43, o, UserTypeProjection { base: UserType(23), projs: [] }); // scope 10 at $DIR/address-of.rs:33:12: 33:18 StorageLive(_44); // scope 11 at $DIR/address-of.rs:34:9: 34:10 _44 = &raw mut (*_3); // scope 11 at $DIR/address-of.rs:34:29: 34:30 - FakeRead(ForLet, _44); // scope 11 at $DIR/address-of.rs:34:9: 34:10 + FakeRead(ForLet(None), _44); // scope 11 at $DIR/address-of.rs:34:9: 34:10 AscribeUserType(_44, o, UserTypeProjection { base: UserType(25), projs: [] }); // scope 11 at $DIR/address-of.rs:34:12: 34:26 StorageLive(_45); // scope 12 at $DIR/address-of.rs:35:9: 35:10 StorageLive(_46); // scope 12 at $DIR/address-of.rs:35:28: 35:29 _46 = &raw mut (*_3); // scope 12 at $DIR/address-of.rs:35:28: 35:29 _45 = move _46 as *mut dyn std::marker::Send (Pointer(Unsize)); // scope 12 at $DIR/address-of.rs:35:28: 35:29 StorageDead(_46); // scope 12 at $DIR/address-of.rs:35:28: 35:29 - FakeRead(ForLet, _45); // scope 12 at $DIR/address-of.rs:35:9: 35:10 + FakeRead(ForLet(None), _45); // scope 12 at $DIR/address-of.rs:35:9: 35:10 AscribeUserType(_45, o, UserTypeProjection { base: UserType(27), projs: [] }); // scope 12 at $DIR/address-of.rs:35:12: 35:25 StorageLive(_47); // scope 13 at $DIR/address-of.rs:36:9: 36:10 StorageLive(_48); // scope 13 at $DIR/address-of.rs:36:25: 36:26 _48 = &raw mut (*_3); // scope 13 at $DIR/address-of.rs:36:25: 36:26 _47 = move _48 as *mut [i32] (Pointer(Unsize)); // scope 13 at $DIR/address-of.rs:36:25: 36:26 StorageDead(_48); // scope 13 at $DIR/address-of.rs:36:25: 36:26 - FakeRead(ForLet, _47); // scope 13 at $DIR/address-of.rs:36:9: 36:10 + FakeRead(ForLet(None), _47); // scope 13 at $DIR/address-of.rs:36:9: 36:10 AscribeUserType(_47, o, UserTypeProjection { base: UserType(29), projs: [] }); // scope 13 at $DIR/address-of.rs:36:12: 36:22 _0 = const (); // scope 0 at $DIR/address-of.rs:3:26: 37:2 StorageDead(_47); // scope 13 at $DIR/address-of.rs:37:1: 37:2 diff --git a/src/test/mir-opt/address_of.borrow_and_cast.SimplifyCfg-initial.after.mir b/src/test/mir-opt/address_of.borrow_and_cast.SimplifyCfg-initial.after.mir index e058b0aaa8f0..195f3e2e65c6 100644 --- a/src/test/mir-opt/address_of.borrow_and_cast.SimplifyCfg-initial.after.mir +++ b/src/test/mir-opt/address_of.borrow_and_cast.SimplifyCfg-initial.after.mir @@ -24,19 +24,19 @@ fn borrow_and_cast(_1: i32) -> () { StorageLive(_3); // scope 0 at $DIR/address-of.rs:42:13: 42:15 _3 = &_1; // scope 0 at $DIR/address-of.rs:42:13: 42:15 _2 = &raw const (*_3); // scope 0 at $DIR/address-of.rs:42:13: 42:15 - FakeRead(ForLet, _2); // scope 0 at $DIR/address-of.rs:42:9: 42:10 + FakeRead(ForLet(None), _2); // scope 0 at $DIR/address-of.rs:42:9: 42:10 StorageDead(_3); // scope 0 at $DIR/address-of.rs:42:29: 42:30 StorageLive(_4); // scope 1 at $DIR/address-of.rs:43:9: 43:10 StorageLive(_5); // scope 1 at $DIR/address-of.rs:43:13: 43:19 _5 = &mut _1; // scope 1 at $DIR/address-of.rs:43:13: 43:19 _4 = &raw const (*_5); // scope 1 at $DIR/address-of.rs:43:13: 43:19 - FakeRead(ForLet, _4); // scope 1 at $DIR/address-of.rs:43:9: 43:10 + FakeRead(ForLet(None), _4); // scope 1 at $DIR/address-of.rs:43:9: 43:10 StorageDead(_5); // scope 1 at $DIR/address-of.rs:43:33: 43:34 StorageLive(_6); // scope 2 at $DIR/address-of.rs:44:9: 44:10 StorageLive(_7); // scope 2 at $DIR/address-of.rs:44:13: 44:19 _7 = &mut _1; // scope 2 at $DIR/address-of.rs:44:13: 44:19 _6 = &raw mut (*_7); // scope 2 at $DIR/address-of.rs:44:13: 44:19 - FakeRead(ForLet, _6); // scope 2 at $DIR/address-of.rs:44:9: 44:10 + FakeRead(ForLet(None), _6); // scope 2 at $DIR/address-of.rs:44:9: 44:10 StorageDead(_7); // scope 2 at $DIR/address-of.rs:44:31: 44:32 _0 = const (); // scope 0 at $DIR/address-of.rs:41:32: 45:2 StorageDead(_6); // scope 2 at $DIR/address-of.rs:45:1: 45:2 diff --git a/src/test/mir-opt/basic_assignment.main.SimplifyCfg-initial.after.mir b/src/test/mir-opt/basic_assignment.main.SimplifyCfg-initial.after.mir index 7e0ca3dea4b7..e751b825c050 100644 --- a/src/test/mir-opt/basic_assignment.main.SimplifyCfg-initial.after.mir +++ b/src/test/mir-opt/basic_assignment.main.SimplifyCfg-initial.after.mir @@ -28,7 +28,7 @@ fn main() -> () { bb0: { StorageLive(_1); // scope 0 at $DIR/basic_assignment.rs:11:9: 11:17 _1 = const false; // scope 0 at $DIR/basic_assignment.rs:11:20: 11:25 - FakeRead(ForLet, _1); // scope 0 at $DIR/basic_assignment.rs:11:9: 11:17 + FakeRead(ForLet(None), _1); // scope 0 at $DIR/basic_assignment.rs:11:9: 11:17 StorageLive(_2); // scope 1 at $DIR/basic_assignment.rs:12:9: 12:17 StorageLive(_3); // scope 2 at $DIR/basic_assignment.rs:16:16: 16:24 _3 = _1; // scope 2 at $DIR/basic_assignment.rs:16:16: 16:24 @@ -36,7 +36,7 @@ fn main() -> () { StorageDead(_3); // scope 2 at $DIR/basic_assignment.rs:16:23: 16:24 StorageLive(_4); // scope 2 at $DIR/basic_assignment.rs:18:9: 18:15 _4 = Option::>::None; // scope 2 at $DIR/basic_assignment.rs:18:36: 18:40 - FakeRead(ForLet, _4); // scope 2 at $DIR/basic_assignment.rs:18:9: 18:15 + FakeRead(ForLet(None), _4); // scope 2 at $DIR/basic_assignment.rs:18:9: 18:15 AscribeUserType(_4, o, UserTypeProjection { base: UserType(1), projs: [] }); // scope 2 at $DIR/basic_assignment.rs:18:17: 18:33 StorageLive(_5); // scope 3 at $DIR/basic_assignment.rs:19:9: 19:15 StorageLive(_6); // scope 4 at $DIR/basic_assignment.rs:23:14: 23:20 diff --git a/src/test/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff b/src/test/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff index 4e990dd6b705..2566d745ecd0 100644 --- a/src/test/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff +++ b/src/test/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff @@ -22,7 +22,7 @@ - // + ty: &i32 - // + val: Value(Scalar(alloc0)) + // + ty: &[&i32; 1] -+ // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:6 ~ const_promotion_extern_static[317d]::BAR), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) ++ // + val: Unevaluated(BAR, [], Some(promoted[0])) // mir::Constant - // + span: $DIR/const-promotion-extern-static.rs:9:33: 9:34 - // + literal: Const { ty: &i32, val: Value(Scalar(alloc0)) } diff --git a/src/test/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff b/src/test/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff index 0a9a3f3c2c5f..093e228a0ce4 100644 --- a/src/test/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff +++ b/src/test/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff @@ -24,7 +24,7 @@ - // + ty: *const i32 - // + val: Value(Scalar(alloc2)) + // + ty: &[&i32; 1] -+ // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:7 ~ const_promotion_extern_static[317d]::FOO), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) ++ // + val: Unevaluated(FOO, [], Some(promoted[0])) // mir::Constant - // + span: $DIR/const-promotion-extern-static.rs:13:42: 13:43 - // + literal: Const { ty: *const i32, val: Value(Scalar(alloc2)) } diff --git a/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff b/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff index 0535b45aa9ff..0517e7fac40e 100644 --- a/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff +++ b/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff @@ -28,7 +28,7 @@ _9 = const main::promoted[0]; // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 // ty::Const // + ty: &[i32; 3] - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 // + literal: Const { ty: &[i32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff b/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff index 0535b45aa9ff..0517e7fac40e 100644 --- a/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff +++ b/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff @@ -28,7 +28,7 @@ _9 = const main::promoted[0]; // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 // ty::Const // + ty: &[i32; 3] - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35 // + literal: Const { ty: &[i32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.diff b/src/test/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.diff index 81e6937b1b32..28c80b346e76 100644 --- a/src/test/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.diff +++ b/src/test/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.diff @@ -19,7 +19,7 @@ _3 = const FOO; // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:16 // ty::Const // + ty: &i32 - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ const_prop_fails_gracefully[317d]::main::FOO), const_param_did: None }, substs: [], promoted: None }) + // + val: Unevaluated(FOO, [], None) // mir::Constant // + span: $DIR/const_prop_fails_gracefully.rs:7:13: 7:16 // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ const_prop_fails_gracefully[317d]::main::FOO), const_param_did: None }, substs: [], promoted: None }) } diff --git a/src/test/mir-opt/const_prop/ref_deref.main.ConstProp.diff b/src/test/mir-opt/const_prop/ref_deref.main.ConstProp.diff index 9126b9953ed9..ae77443e019d 100644 --- a/src/test/mir-opt/const_prop/ref_deref.main.ConstProp.diff +++ b/src/test/mir-opt/const_prop/ref_deref.main.ConstProp.diff @@ -14,7 +14,7 @@ _4 = const main::promoted[0]; // scope 0 at $DIR/ref_deref.rs:5:6: 5:10 // ty::Const // + ty: &i32 - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/ref_deref.rs:5:6: 5:10 // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/const_prop/ref_deref.main.PromoteTemps.diff b/src/test/mir-opt/const_prop/ref_deref.main.PromoteTemps.diff index e1c8085b31b4..402a28f3f9f4 100644 --- a/src/test/mir-opt/const_prop/ref_deref.main.PromoteTemps.diff +++ b/src/test/mir-opt/const_prop/ref_deref.main.PromoteTemps.diff @@ -17,7 +17,7 @@ + _4 = const main::promoted[0]; // scope 0 at $DIR/ref_deref.rs:5:6: 5:10 + // ty::Const + // + ty: &i32 -+ // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) ++ // + val: Unevaluated(main, [], Some(promoted[0])) + // mir::Constant + // + span: $DIR/ref_deref.rs:5:6: 5:10 + // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/const_prop/ref_deref_project.main.ConstProp.diff b/src/test/mir-opt/const_prop/ref_deref_project.main.ConstProp.diff index ce1720698c76..b97d7d1be159 100644 --- a/src/test/mir-opt/const_prop/ref_deref_project.main.ConstProp.diff +++ b/src/test/mir-opt/const_prop/ref_deref_project.main.ConstProp.diff @@ -14,7 +14,7 @@ _4 = const main::promoted[0]; // scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 // ty::Const // + ty: &(i32, i32) - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/ref_deref_project.rs:5:6: 5:17 // + literal: Const { ty: &(i32, i32), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/const_prop/ref_deref_project.main.PromoteTemps.diff b/src/test/mir-opt/const_prop/ref_deref_project.main.PromoteTemps.diff index 93ba9de82024..48ede27112c9 100644 --- a/src/test/mir-opt/const_prop/ref_deref_project.main.PromoteTemps.diff +++ b/src/test/mir-opt/const_prop/ref_deref_project.main.PromoteTemps.diff @@ -17,7 +17,7 @@ + _4 = const main::promoted[0]; // scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17 + // ty::Const + // + ty: &(i32, i32) -+ // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) ++ // + val: Unevaluated(main, [], Some(promoted[0])) + // mir::Constant + // + span: $DIR/ref_deref_project.rs:5:6: 5:17 + // + literal: Const { ty: &(i32, i32), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/const_prop/slice_len.main.ConstProp.32bit.diff b/src/test/mir-opt/const_prop/slice_len.main.ConstProp.32bit.diff index 610e3c255731..27791852d6da 100644 --- a/src/test/mir-opt/const_prop/slice_len.main.ConstProp.32bit.diff +++ b/src/test/mir-opt/const_prop/slice_len.main.ConstProp.32bit.diff @@ -21,7 +21,7 @@ _9 = const main::promoted[0]; // scope 0 at $DIR/slice_len.rs:5:6: 5:19 // ty::Const // + ty: &[u32; 3] - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/slice_len.rs:5:6: 5:19 // + literal: Const { ty: &[u32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/const_prop/slice_len.main.ConstProp.64bit.diff b/src/test/mir-opt/const_prop/slice_len.main.ConstProp.64bit.diff index 610e3c255731..27791852d6da 100644 --- a/src/test/mir-opt/const_prop/slice_len.main.ConstProp.64bit.diff +++ b/src/test/mir-opt/const_prop/slice_len.main.ConstProp.64bit.diff @@ -21,7 +21,7 @@ _9 = const main::promoted[0]; // scope 0 at $DIR/slice_len.rs:5:6: 5:19 // ty::Const // + ty: &[u32; 3] - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/slice_len.rs:5:6: 5:19 // + literal: Const { ty: &[u32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/early_otherwise_branch_68867.rs b/src/test/mir-opt/early_otherwise_branch_68867.rs index e11337643dac..02221c4cf4a1 100644 --- a/src/test/mir-opt/early_otherwise_branch_68867.rs +++ b/src/test/mir-opt/early_otherwise_branch_68867.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // compile-flags: -Z mir-opt-level=4 -Zunsound-mir-opts // example from #68867 diff --git a/src/test/mir-opt/early_otherwise_branch_68867.try_sum.EarlyOtherwiseBranch.before-SimplifyBranches-final.after.diff b/src/test/mir-opt/early_otherwise_branch_68867.try_sum.EarlyOtherwiseBranch.before-SimplifyBranches-final.after.diff index 59bf5a185e07..2893ee9ac334 100644 --- a/src/test/mir-opt/early_otherwise_branch_68867.try_sum.EarlyOtherwiseBranch.before-SimplifyBranches-final.after.diff +++ b/src/test/mir-opt/early_otherwise_branch_68867.try_sum.EarlyOtherwiseBranch.before-SimplifyBranches-final.after.diff @@ -2,299 +2,299 @@ + // MIR for `try_sum` after SimplifyBranches-final fn try_sum(_1: &ViewportPercentageLength, _2: &ViewportPercentageLength) -> Result { - debug x => _1; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:18:5: 18:6 - debug other => _2; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:19:5: 19:10 - let mut _0: std::result::Result; // return place in scope 0 at $DIR/early_otherwise_branch_68867.rs:20:6: 20:42 - let mut _3: ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 - let mut _4: (&ViewportPercentageLength, &ViewportPercentageLength); // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:24 - let mut _5: &ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:15: 22:16 - let mut _6: &ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:18: 22:23 - let mut _7: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 - let mut _8: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:21: 24:30 - let mut _9: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 - let mut _10: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:23: 26:34 - let mut _11: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 - let _12: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 - let _13: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 - let mut _14: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 - let mut _15: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 - let mut _16: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 - let _17: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:14: 24:17 - let _18: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:24: 24:29 - let mut _19: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:49 - let mut _20: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:41 - let mut _21: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:49 - let _22: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 - let _23: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 - let mut _24: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 - let mut _25: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 - let mut _26: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 - let _27: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:16: 26:19 - let _28: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:28: 26:33 - let mut _29: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:55 - let mut _30: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:47 - let mut _31: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:50: 26:55 - let mut _32: !; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:27:14: 27:28 - let mut _33: (); // in scope 0 at $DIR/early_otherwise_branch_68867.rs:27:25: 27:27 -+ let mut _34: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 -+ let mut _35: bool; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 + debug x => _1; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:17:5: 17:6 + debug other => _2; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:18:5: 18:10 + let mut _0: std::result::Result; // return place in scope 0 at $DIR/early_otherwise_branch_68867.rs:19:6: 19:42 + let mut _3: ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 + let mut _4: (&ViewportPercentageLength, &ViewportPercentageLength); // in scope 0 at $DIR/early_otherwise_branch_68867.rs:21:14: 21:24 + let mut _5: &ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:21:15: 21:16 + let mut _6: &ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:21:18: 21:23 + let mut _7: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 + let mut _8: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 + let mut _9: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:23: 24:34 + let mut _10: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 + let mut _11: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 + let _12: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:17 + let _13: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:24: 22:29 + let mut _14: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:49 + let mut _15: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:41 + let mut _16: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:44: 22:49 + let _17: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 + let _18: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 + let mut _19: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 + let mut _20: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 + let mut _21: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 + let _22: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:16: 24:19 + let _23: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:28: 24:33 + let mut _24: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:55 + let mut _25: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:47 + let mut _26: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:50: 24:55 + let _27: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 + let _28: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 + let mut _29: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 + let mut _30: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 + let mut _31: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 + let mut _32: !; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:14: 26:28 + let mut _33: (); // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:25: 26:27 ++ let mut _34: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 ++ let mut _35: bool; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 scope 1 { -- debug one => _12; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 -- debug other => _13; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 -+ debug one => _15; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 -+ debug other => _16; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 +- debug one => _12; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:17 +- debug other => _13; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:22:24: 22:29 ++ debug one => _15; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:17 ++ debug other => _16; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:22:24: 22:29 } scope 2 { -- debug one => _17; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:24:14: 24:17 -- debug other => _18; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:24:24: 24:29 -+ debug one => _20; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:24:14: 24:17 -+ debug other => _21; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:24:24: 24:29 +- debug one => _17; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 +- debug other => _18; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 ++ debug one => _20; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 ++ debug other => _21; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 } scope 3 { -- debug one => _22; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 -- debug other => _23; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 -+ debug one => _25; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 -+ debug other => _26; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 +- debug one => _22; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:24:16: 24:19 +- debug other => _23; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:24:28: 24:33 ++ debug one => _25; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:24:16: 24:19 ++ debug other => _26; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:24:28: 24:33 } scope 4 { -- debug one => _27; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:26:16: 26:19 -- debug other => _28; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:26:28: 26:33 -+ debug one => _30; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:26:16: 26:19 -+ debug other => _31; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:26:28: 26:33 +- debug one => _27; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 +- debug other => _28; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 ++ debug one => _30; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 ++ debug other => _31; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 } bb0: { -- StorageLive(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 -- StorageLive(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:24 -- StorageLive(_5); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:15: 22:16 -- _5 = _1; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:15: 22:16 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:24 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:15: 22:16 -+ (_4.0: &ViewportPercentageLength) = _1; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:15: 22:16 - StorageLive(_6); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:18: 22:23 - _6 = _2; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:18: 22:23 -- (_4.0: &ViewportPercentageLength) = move _5; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:24 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:24 - (_4.1: &ViewportPercentageLength) = move _6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:24 - StorageDead(_6); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:23: 22:24 -- StorageDead(_5); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:23: 22:24 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:23: 22:24 - _11 = discriminant((*(_4.0: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -- switchInt(move _11) -> [0_isize: bb1, 1_isize: bb3, 2_isize: bb4, 3_isize: bb5, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ StorageLive(_34); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ _34 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ StorageLive(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ _35 = Ne(_34, _11); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ StorageDead(_34); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ switchInt(move _35) -> [false: bb7, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 +- StorageLive(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 +- StorageLive(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:14: 21:24 +- StorageLive(_5); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:15: 21:16 +- _5 = _1; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:15: 21:16 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:14: 21:24 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:15: 21:16 ++ (_4.0: &ViewportPercentageLength) = _1; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:15: 21:16 + StorageLive(_6); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:18: 21:23 + _6 = _2; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:18: 21:23 +- (_4.0: &ViewportPercentageLength) = move _5; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:14: 21:24 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:14: 21:24 + (_4.1: &ViewportPercentageLength) = move _6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:14: 21:24 + StorageDead(_6); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:23: 21:24 +- StorageDead(_5); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:23: 21:24 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:23: 21:24 + _11 = discriminant((*(_4.0: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 +- switchInt(move _11) -> [0_isize: bb1, 1_isize: bb3, 2_isize: bb4, 3_isize: bb5, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ StorageLive(_34); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ _34 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ StorageLive(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ _35 = Ne(_34, _11); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ StorageDead(_34); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ switchInt(move _35) -> [false: bb7, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 } bb1: { -- _7 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 -- switchInt(move _7) -> [0_isize: bb6, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 +- _7 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 +- switchInt(move _7) -> [0_isize: bb6, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 - } - - bb2: { -+ StorageDead(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:25: 27:27 - StorageLive(_33); // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:25: 27:27 -- nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:21: 27:28 - discriminant(_0) = 1; // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:21: 27:28 - StorageDead(_33); // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:27: 27:28 -- StorageDead(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:6: 28:7 -- StorageDead(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:29:1: 29:2 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:6: 28:7 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:29:1: 29:2 - return; // scope 0 at $DIR/early_otherwise_branch_68867.rs:29:2: 29:2 ++ StorageDead(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:25: 26:27 + StorageLive(_33); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:25: 26:27 +- nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:21: 26:28 + discriminant(_0) = 1; // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:21: 26:28 + StorageDead(_33); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:27: 26:28 +- StorageDead(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:6: 27:7 +- StorageDead(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:1: 28:2 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:6: 27:7 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:1: 28:2 + return; // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:2: 28:2 } + bb2: { ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:17 ++ _15 = (((*(_4.0: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:17 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:24: 22:29 ++ _16 = (((*(_4.1: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:24: 22:29 ++ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:49 ++ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:41 ++ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:41 ++ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:44: 22:49 ++ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:44: 22:49 ++ ((((_0 as Ok).0: ViewportPercentageLength) as Vw).0: f32) = Add(move _15, move _16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:49 ++ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:48: 22:49 ++ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:48: 22:49 ++ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:35: 22:50 ++ discriminant(((_0 as Ok).0: ViewportPercentageLength)) = 0; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:35: 22:50 ++ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:49: 22:50 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:49: 22:50 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:49: 22:50 ++ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 ++ } ++ + bb3: { +- _8 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 +- switchInt(move _8) -> [1_isize: bb7, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 + nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 -+ _15 = (((*(_4.0: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 ++ _20 = (((*(_4.0: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 + nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 -+ _16 = (((*(_4.1: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 -+ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 -+ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 -+ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 -+ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 -+ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 -+ ((((_0 as Ok).0: ViewportPercentageLength) as Vw).0: f32) = Add(move _15, move _16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 -+ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 -+ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 -+ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 -+ discriminant(((_0 as Ok).0: ViewportPercentageLength)) = 0; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 -+ nop; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 ++ _21 = (((*(_4.1: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 ++ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 ++ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 ++ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 ++ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 ++ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 ++ ((((_0 as Ok).0: ViewportPercentageLength) as Vh).0: f32) = Add(move _20, move _21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 ++ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 ++ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 ++ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 ++ discriminant(((_0 as Ok).0: ViewportPercentageLength)) = 1; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 ++ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 + nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 + nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 -+ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 -+ } -+ - bb3: { -- _8 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:21: 24:30 -- switchInt(move _8) -> [1_isize: bb7, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:21: 24:30 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:14: 24:17 -+ _20 = (((*(_4.0: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:14: 24:17 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:24: 24:29 -+ _21 = (((*(_4.1: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:24: 24:29 -+ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:49 -+ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:41 -+ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:41 -+ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:49 -+ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:49 -+ ((((_0 as Ok).0: ViewportPercentageLength) as Vh).0: f32) = Add(move _20, move _21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:49 -+ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:48: 24:49 -+ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:48: 24:49 -+ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:35: 24:50 -+ discriminant(((_0 as Ok).0: ViewportPercentageLength)) = 1; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:35: 24:50 -+ nop; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:49: 24:50 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:49: 24:50 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:49: 24:50 -+ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 ++ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 } bb4: { -- _9 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 -- switchInt(move _9) -> [2_isize: bb8, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 +- _9 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:23: 24:34 +- switchInt(move _9) -> [2_isize: bb8, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:23: 24:34 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:16: 24:19 ++ _25 = (((*(_4.0: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:16: 24:19 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:28: 24:33 ++ _26 = (((*(_4.1: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:28: 24:33 ++ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:55 ++ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:47 ++ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:47 ++ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:50: 24:55 ++ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:50: 24:55 ++ ((((_0 as Ok).0: ViewportPercentageLength) as Vmin).0: f32) = Add(move _25, move _26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:55 ++ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:54: 24:55 ++ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:54: 24:55 ++ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:39: 24:56 ++ discriminant(((_0 as Ok).0: ViewportPercentageLength)) = 2; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:39: 24:56 ++ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:55: 24:56 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:55: 24:56 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:55: 24:56 ++ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 + } + + bb5: { +- _10 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 +- switchInt(move _10) -> [3_isize: bb9, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 + nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 -+ _25 = (((*(_4.0: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 ++ _30 = (((*(_4.0: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 + nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 -+ _26 = (((*(_4.1: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 -+ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 -+ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 -+ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 -+ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 -+ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 -+ ((((_0 as Ok).0: ViewportPercentageLength) as Vmin).0: f32) = Add(move _25, move _26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 -+ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 -+ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 -+ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 -+ discriminant(((_0 as Ok).0: ViewportPercentageLength)) = 2; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 -+ nop; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 ++ _31 = (((*(_4.1: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 ++ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 ++ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 ++ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 ++ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 ++ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 ++ ((((_0 as Ok).0: ViewportPercentageLength) as Vmax).0: f32) = Add(move _30, move _31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 ++ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 ++ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 ++ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 ++ discriminant(((_0 as Ok).0: ViewportPercentageLength)) = 3; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 ++ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 + nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 + nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 -+ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 - } - - bb5: { -- _10 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:23: 26:34 -- switchInt(move _10) -> [3_isize: bb9, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:23: 26:34 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:16: 26:19 -+ _30 = (((*(_4.0: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:16: 26:19 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:28: 26:33 -+ _31 = (((*(_4.1: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:28: 26:33 -+ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:55 -+ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:47 -+ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:47 -+ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:50: 26:55 -+ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:50: 26:55 -+ ((((_0 as Ok).0: ViewportPercentageLength) as Vmax).0: f32) = Add(move _30, move _31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:55 -+ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:54: 26:55 -+ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:54: 26:55 -+ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:39: 26:56 -+ discriminant(((_0 as Ok).0: ViewportPercentageLength)) = 3; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:39: 26:56 -+ nop; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:55: 26:56 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:55: 26:56 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:55: 26:56 -+ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 ++ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 } bb6: { -- StorageLive(_12); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 -- _12 = (((*(_4.0: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 -- StorageLive(_13); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 -- _13 = (((*(_4.1: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 -- StorageLive(_14); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 -- StorageLive(_15); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 -- _15 = _12; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 -- StorageLive(_16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 -- _16 = _13; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 -- _14 = Add(move _15, move _16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 -- StorageDead(_16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 -- StorageDead(_15); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 -- ((_3 as Vw).0: f32) = move _14; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 -- discriminant(_3) = 0; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 -- StorageDead(_14); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 -- StorageDead(_13); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 -- StorageDead(_12); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 -- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:5: 28:7 -+ discriminant(_0) = 0; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:5: 28:7 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:6: 28:7 -+ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:29:1: 29:2 -+ return; // scope 0 at $DIR/early_otherwise_branch_68867.rs:29:2: 29:2 +- StorageLive(_12); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:17 +- _12 = (((*(_4.0: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:17 +- StorageLive(_13); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:24: 22:29 +- _13 = (((*(_4.1: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:24: 22:29 +- StorageLive(_14); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:49 +- StorageLive(_15); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:41 +- _15 = _12; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:41 +- StorageLive(_16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:44: 22:49 +- _16 = _13; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:44: 22:49 +- _14 = Add(move _15, move _16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:49 +- StorageDead(_16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:48: 22:49 +- StorageDead(_15); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:48: 22:49 +- ((_3 as Vw).0: f32) = move _14; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:35: 22:50 +- discriminant(_3) = 0; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:35: 22:50 +- StorageDead(_14); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:49: 22:50 +- StorageDead(_13); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:49: 22:50 +- StorageDead(_12); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:49: 22:50 +- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:5: 27:7 ++ discriminant(_0) = 0; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:5: 27:7 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:6: 27:7 ++ nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:1: 28:2 ++ return; // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:2: 28:2 } bb7: { -- StorageLive(_17); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:14: 24:17 -- _17 = (((*(_4.0: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:14: 24:17 -- StorageLive(_18); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:24: 24:29 -- _18 = (((*(_4.1: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:24: 24:29 -- StorageLive(_19); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:49 -- StorageLive(_20); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:41 -- _20 = _17; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:41 -- StorageLive(_21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:49 -- _21 = _18; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:49 -- _19 = Add(move _20, move _21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:49 -- StorageDead(_21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:48: 24:49 -- StorageDead(_20); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:48: 24:49 -- ((_3 as Vh).0: f32) = move _19; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:35: 24:50 -- discriminant(_3) = 1; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:35: 24:50 -- StorageDead(_19); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:49: 24:50 -- StorageDead(_18); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:49: 24:50 -- StorageDead(_17); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:49: 24:50 -- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 +- StorageLive(_17); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 +- _17 = (((*(_4.0: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 +- StorageLive(_18); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 +- _18 = (((*(_4.1: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 +- StorageLive(_19); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 +- StorageLive(_20); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 +- _20 = _17; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 +- StorageLive(_21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 +- _21 = _18; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 +- _19 = Add(move _20, move _21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 +- StorageDead(_21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 +- StorageDead(_20); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 +- ((_3 as Vh).0: f32) = move _19; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 +- discriminant(_3) = 1; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 +- StorageDead(_19); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 +- StorageDead(_18); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 +- StorageDead(_17); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 +- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 - } - - bb8: { -- StorageLive(_22); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 -- _22 = (((*(_4.0: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 -- StorageLive(_23); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 -- _23 = (((*(_4.1: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 -- StorageLive(_24); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 -- StorageLive(_25); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 -- _25 = _22; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 -- StorageLive(_26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 -- _26 = _23; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 -- _24 = Add(move _25, move _26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 -- StorageDead(_26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 -- StorageDead(_25); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 -- ((_3 as Vmin).0: f32) = move _24; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 -- discriminant(_3) = 2; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 -- StorageDead(_24); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 -- StorageDead(_23); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 -- StorageDead(_22); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 -- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 +- StorageLive(_22); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:16: 24:19 +- _22 = (((*(_4.0: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:16: 24:19 +- StorageLive(_23); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:28: 24:33 +- _23 = (((*(_4.1: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:28: 24:33 +- StorageLive(_24); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:55 +- StorageLive(_25); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:47 +- _25 = _22; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:47 +- StorageLive(_26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:50: 24:55 +- _26 = _23; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:50: 24:55 +- _24 = Add(move _25, move _26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:55 +- StorageDead(_26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:54: 24:55 +- StorageDead(_25); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:54: 24:55 +- ((_3 as Vmin).0: f32) = move _24; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:39: 24:56 +- discriminant(_3) = 2; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:39: 24:56 +- StorageDead(_24); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:55: 24:56 +- StorageDead(_23); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:55: 24:56 +- StorageDead(_22); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:55: 24:56 +- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 - } - - bb9: { -- StorageLive(_27); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:16: 26:19 -- _27 = (((*(_4.0: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:16: 26:19 -- StorageLive(_28); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:28: 26:33 -- _28 = (((*(_4.1: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:28: 26:33 -- StorageLive(_29); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:55 -- StorageLive(_30); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:47 -- _30 = _27; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:47 -- StorageLive(_31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:50: 26:55 -- _31 = _28; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:50: 26:55 -- _29 = Add(move _30, move _31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:55 -- StorageDead(_31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:54: 26:55 -- StorageDead(_30); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:54: 26:55 -- ((_3 as Vmax).0: f32) = move _29; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:39: 26:56 -- discriminant(_3) = 3; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:39: 26:56 -- StorageDead(_29); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:55: 26:56 -- StorageDead(_28); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:55: 26:56 -- StorageDead(_27); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:55: 26:56 -- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 +- StorageLive(_27); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 +- _27 = (((*(_4.0: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 +- StorageLive(_28); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 +- _28 = (((*(_4.1: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 +- StorageLive(_29); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 +- StorageLive(_30); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 +- _30 = _27; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 +- StorageLive(_31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 +- _31 = _28; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 +- _29 = Add(move _30, move _31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 +- StorageDead(_31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 +- StorageDead(_30); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 +- ((_3 as Vmax).0: f32) = move _29; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 +- discriminant(_3) = 3; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 +- StorageDead(_29); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 +- StorageDead(_28); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 +- StorageDead(_27); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 +- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 - } - - bb10: { -- ((_0 as Ok).0: ViewportPercentageLength) = move _3; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:5: 28:7 -- discriminant(_0) = 0; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:5: 28:7 -- StorageDead(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:6: 28:7 -- StorageDead(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:29:1: 29:2 -- return; // scope 0 at $DIR/early_otherwise_branch_68867.rs:29:2: 29:2 -+ StorageDead(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 -+ switchInt(_11) -> [0_isize: bb2, 1_isize: bb3, 2_isize: bb4, 3_isize: bb5, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 +- ((_0 as Ok).0: ViewportPercentageLength) = move _3; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:5: 27:7 +- discriminant(_0) = 0; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:5: 27:7 +- StorageDead(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:6: 27:7 +- StorageDead(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:1: 28:2 +- return; // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:2: 28:2 ++ StorageDead(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 ++ switchInt(_11) -> [0_isize: bb2, 1_isize: bb3, 2_isize: bb4, 3_isize: bb5, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 } } diff --git a/src/test/mir-opt/early_otherwise_branch_68867.try_sum.EarlyOtherwiseBranch.diff b/src/test/mir-opt/early_otherwise_branch_68867.try_sum.EarlyOtherwiseBranch.diff index 2d320786ea92..9039989e0f28 100644 --- a/src/test/mir-opt/early_otherwise_branch_68867.try_sum.EarlyOtherwiseBranch.diff +++ b/src/test/mir-opt/early_otherwise_branch_68867.try_sum.EarlyOtherwiseBranch.diff @@ -2,215 +2,215 @@ + // MIR for `try_sum` after EarlyOtherwiseBranch fn try_sum(_1: &ViewportPercentageLength, _2: &ViewportPercentageLength) -> Result { - debug x => _1; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:18:5: 18:6 - debug other => _2; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:19:5: 19:10 - let mut _0: std::result::Result; // return place in scope 0 at $DIR/early_otherwise_branch_68867.rs:20:6: 20:42 - let mut _3: ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 - let mut _4: (&ViewportPercentageLength, &ViewportPercentageLength); // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:24 - let mut _5: &ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:15: 22:16 - let mut _6: &ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:18: 22:23 - let mut _7: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 - let mut _8: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:21: 24:30 - let mut _9: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 - let mut _10: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:23: 26:34 - let mut _11: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 - let _12: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 - let _13: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 - let mut _14: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 - let mut _15: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 - let mut _16: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 - let _17: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:14: 24:17 - let _18: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:24: 24:29 - let mut _19: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:49 - let mut _20: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:41 - let mut _21: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:49 - let _22: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 - let _23: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 - let mut _24: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 - let mut _25: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 - let mut _26: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 - let _27: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:16: 26:19 - let _28: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:28: 26:33 - let mut _29: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:55 - let mut _30: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:47 - let mut _31: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:50: 26:55 - let mut _32: !; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:27:14: 27:28 - let mut _33: (); // in scope 0 at $DIR/early_otherwise_branch_68867.rs:27:25: 27:27 -+ let mut _34: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 -+ let mut _35: bool; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 + debug x => _1; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:17:5: 17:6 + debug other => _2; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:18:5: 18:10 + let mut _0: std::result::Result; // return place in scope 0 at $DIR/early_otherwise_branch_68867.rs:19:6: 19:42 + let mut _3: ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 + let mut _4: (&ViewportPercentageLength, &ViewportPercentageLength); // in scope 0 at $DIR/early_otherwise_branch_68867.rs:21:14: 21:24 + let mut _5: &ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:21:15: 21:16 + let mut _6: &ViewportPercentageLength; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:21:18: 21:23 + let mut _7: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 + let mut _8: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 + let mut _9: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:23: 24:34 + let mut _10: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 + let mut _11: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 + let _12: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:17 + let _13: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:24: 22:29 + let mut _14: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:49 + let mut _15: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:41 + let mut _16: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:44: 22:49 + let _17: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 + let _18: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 + let mut _19: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 + let mut _20: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 + let mut _21: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 + let _22: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:16: 24:19 + let _23: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:28: 24:33 + let mut _24: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:55 + let mut _25: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:47 + let mut _26: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:24:50: 24:55 + let _27: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 + let _28: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 + let mut _29: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 + let mut _30: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 + let mut _31: f32; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 + let mut _32: !; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:14: 26:28 + let mut _33: (); // in scope 0 at $DIR/early_otherwise_branch_68867.rs:26:25: 26:27 ++ let mut _34: isize; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 ++ let mut _35: bool; // in scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 scope 1 { - debug one => _12; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 - debug other => _13; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 + debug one => _12; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:17 + debug other => _13; // in scope 1 at $DIR/early_otherwise_branch_68867.rs:22:24: 22:29 } scope 2 { - debug one => _17; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:24:14: 24:17 - debug other => _18; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:24:24: 24:29 + debug one => _17; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 + debug other => _18; // in scope 2 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 } scope 3 { - debug one => _22; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 - debug other => _23; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 + debug one => _22; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:24:16: 24:19 + debug other => _23; // in scope 3 at $DIR/early_otherwise_branch_68867.rs:24:28: 24:33 } scope 4 { - debug one => _27; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:26:16: 26:19 - debug other => _28; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:26:28: 26:33 + debug one => _27; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 + debug other => _28; // in scope 4 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 } bb0: { - StorageLive(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 - StorageLive(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:24 - StorageLive(_5); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:15: 22:16 - _5 = _1; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:15: 22:16 - StorageLive(_6); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:18: 22:23 - _6 = _2; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:18: 22:23 - (_4.0: &ViewportPercentageLength) = move _5; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:24 - (_4.1: &ViewportPercentageLength) = move _6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:24 - StorageDead(_6); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:23: 22:24 - StorageDead(_5); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:23: 22:24 - _11 = discriminant((*(_4.0: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -- switchInt(move _11) -> [0_isize: bb1, 1_isize: bb3, 2_isize: bb4, 3_isize: bb5, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ StorageLive(_34); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ _34 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ StorageLive(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ _35 = Ne(_34, _11); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ StorageDead(_34); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 -+ switchInt(move _35) -> [false: bb7, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:11: 23:18 + StorageLive(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 + StorageLive(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:14: 21:24 + StorageLive(_5); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:15: 21:16 + _5 = _1; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:15: 21:16 + StorageLive(_6); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:18: 21:23 + _6 = _2; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:18: 21:23 + (_4.0: &ViewportPercentageLength) = move _5; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:14: 21:24 + (_4.1: &ViewportPercentageLength) = move _6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:14: 21:24 + StorageDead(_6); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:23: 21:24 + StorageDead(_5); // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:23: 21:24 + _11 = discriminant((*(_4.0: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 +- switchInt(move _11) -> [0_isize: bb1, 1_isize: bb3, 2_isize: bb4, 3_isize: bb5, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ StorageLive(_34); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ _34 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ StorageLive(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ _35 = Ne(_34, _11); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ StorageDead(_34); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 ++ switchInt(move _35) -> [false: bb7, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:11: 22:18 } bb1: { -- _7 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 -- switchInt(move _7) -> [0_isize: bb6, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 +- _7 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 +- switchInt(move _7) -> [0_isize: bb6, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 - } - - bb2: { -+ StorageDead(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:25: 27:27 - StorageLive(_33); // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:25: 27:27 -- nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:21: 27:28 - discriminant(_0) = 1; // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:21: 27:28 - StorageDead(_33); // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:27: 27:28 - StorageDead(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:6: 28:7 - StorageDead(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:29:1: 29:2 - return; // scope 0 at $DIR/early_otherwise_branch_68867.rs:29:2: 29:2 ++ StorageDead(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:25: 26:27 + StorageLive(_33); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:25: 26:27 +- nop; // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:21: 26:28 + discriminant(_0) = 1; // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:21: 26:28 + StorageDead(_33); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:27: 26:28 + StorageDead(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:6: 27:7 + StorageDead(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:1: 28:2 + return; // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:2: 28:2 } - bb3: { -- _8 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:21: 24:30 -- switchInt(move _8) -> [1_isize: bb7, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:21: 24:30 +- _8 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 +- switchInt(move _8) -> [1_isize: bb7, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 - } - - bb4: { -- _9 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 -- switchInt(move _9) -> [2_isize: bb8, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 +- _9 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:23: 24:34 +- switchInt(move _9) -> [2_isize: bb8, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:23: 24:34 - } - - bb5: { -- _10 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:23: 26:34 -- switchInt(move _10) -> [3_isize: bb9, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:23: 26:34 +- _10 = discriminant((*(_4.1: &ViewportPercentageLength))); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 +- switchInt(move _10) -> [3_isize: bb9, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:23: 25:34 - } - - bb6: { + bb2: { - StorageLive(_12); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 - _12 = (((*(_4.0: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 - StorageLive(_13); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 - _13 = (((*(_4.1: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 - StorageLive(_14); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 - StorageLive(_15); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 - _15 = _12; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 - StorageLive(_16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 - _16 = _13; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 - _14 = Add(move _15, move _16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 - StorageDead(_16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 - StorageDead(_15); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 - ((_3 as Vw).0: f32) = move _14; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 - discriminant(_3) = 0; // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 - StorageDead(_14); // scope 1 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 - StorageDead(_13); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 - StorageDead(_12); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 -- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 -+ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 + StorageLive(_12); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:17 + _12 = (((*(_4.0: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:14: 22:17 + StorageLive(_13); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:24: 22:29 + _13 = (((*(_4.1: &ViewportPercentageLength)) as Vw).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:24: 22:29 + StorageLive(_14); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:49 + StorageLive(_15); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:41 + _15 = _12; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:41 + StorageLive(_16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:44: 22:49 + _16 = _13; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:44: 22:49 + _14 = Add(move _15, move _16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:38: 22:49 + StorageDead(_16); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:48: 22:49 + StorageDead(_15); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:48: 22:49 + ((_3 as Vw).0: f32) = move _14; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:35: 22:50 + discriminant(_3) = 0; // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:35: 22:50 + StorageDead(_14); // scope 1 at $DIR/early_otherwise_branch_68867.rs:22:49: 22:50 + StorageDead(_13); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:49: 22:50 + StorageDead(_12); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:49: 22:50 +- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 ++ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 } - bb7: { + bb3: { - StorageLive(_17); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:14: 24:17 - _17 = (((*(_4.0: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:14: 24:17 - StorageLive(_18); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:24: 24:29 - _18 = (((*(_4.1: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:24: 24:29 - StorageLive(_19); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:49 - StorageLive(_20); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:41 - _20 = _17; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:41 - StorageLive(_21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:49 - _21 = _18; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:49 - _19 = Add(move _20, move _21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:38: 24:49 - StorageDead(_21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:48: 24:49 - StorageDead(_20); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:48: 24:49 - ((_3 as Vh).0: f32) = move _19; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:35: 24:50 - discriminant(_3) = 1; // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:35: 24:50 - StorageDead(_19); // scope 2 at $DIR/early_otherwise_branch_68867.rs:24:49: 24:50 - StorageDead(_18); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:49: 24:50 - StorageDead(_17); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:49: 24:50 -- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 -+ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 + StorageLive(_17); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 + _17 = (((*(_4.0: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:14: 23:17 + StorageLive(_18); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 + _18 = (((*(_4.1: &ViewportPercentageLength)) as Vh).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:24: 23:29 + StorageLive(_19); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 + StorageLive(_20); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 + _20 = _17; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:41 + StorageLive(_21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 + _21 = _18; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:44: 23:49 + _19 = Add(move _20, move _21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:38: 23:49 + StorageDead(_21); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 + StorageDead(_20); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:48: 23:49 + ((_3 as Vh).0: f32) = move _19; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 + discriminant(_3) = 1; // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:35: 23:50 + StorageDead(_19); // scope 2 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 + StorageDead(_18); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 + StorageDead(_17); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:49: 23:50 +- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 ++ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 } - bb8: { + bb4: { - StorageLive(_22); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 - _22 = (((*(_4.0: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 - StorageLive(_23); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 - _23 = (((*(_4.1: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 - StorageLive(_24); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 - StorageLive(_25); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 - _25 = _22; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 - StorageLive(_26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 - _26 = _23; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 - _24 = Add(move _25, move _26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 - StorageDead(_26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 - StorageDead(_25); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 - ((_3 as Vmin).0: f32) = move _24; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 - discriminant(_3) = 2; // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 - StorageDead(_24); // scope 3 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 - StorageDead(_23); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 - StorageDead(_22); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 -- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 -+ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 + StorageLive(_22); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:16: 24:19 + _22 = (((*(_4.0: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:16: 24:19 + StorageLive(_23); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:28: 24:33 + _23 = (((*(_4.1: &ViewportPercentageLength)) as Vmin).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:28: 24:33 + StorageLive(_24); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:55 + StorageLive(_25); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:47 + _25 = _22; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:47 + StorageLive(_26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:50: 24:55 + _26 = _23; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:50: 24:55 + _24 = Add(move _25, move _26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:44: 24:55 + StorageDead(_26); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:54: 24:55 + StorageDead(_25); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:54: 24:55 + ((_3 as Vmin).0: f32) = move _24; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:39: 24:56 + discriminant(_3) = 2; // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:39: 24:56 + StorageDead(_24); // scope 3 at $DIR/early_otherwise_branch_68867.rs:24:55: 24:56 + StorageDead(_23); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:55: 24:56 + StorageDead(_22); // scope 0 at $DIR/early_otherwise_branch_68867.rs:24:55: 24:56 +- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 ++ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 } - bb9: { + bb5: { - StorageLive(_27); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:16: 26:19 - _27 = (((*(_4.0: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:16: 26:19 - StorageLive(_28); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:28: 26:33 - _28 = (((*(_4.1: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:28: 26:33 - StorageLive(_29); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:55 - StorageLive(_30); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:47 - _30 = _27; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:47 - StorageLive(_31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:50: 26:55 - _31 = _28; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:50: 26:55 - _29 = Add(move _30, move _31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:44: 26:55 - StorageDead(_31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:54: 26:55 - StorageDead(_30); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:54: 26:55 - ((_3 as Vmax).0: f32) = move _29; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:39: 26:56 - discriminant(_3) = 3; // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:39: 26:56 - StorageDead(_29); // scope 4 at $DIR/early_otherwise_branch_68867.rs:26:55: 26:56 - StorageDead(_28); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:55: 26:56 - StorageDead(_27); // scope 0 at $DIR/early_otherwise_branch_68867.rs:26:55: 26:56 -- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 -+ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:8: 28:6 + StorageLive(_27); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 + _27 = (((*(_4.0: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:16: 25:19 + StorageLive(_28); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 + _28 = (((*(_4.1: &ViewportPercentageLength)) as Vmax).0: f32); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:28: 25:33 + StorageLive(_29); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 + StorageLive(_30); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 + _30 = _27; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:47 + StorageLive(_31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 + _31 = _28; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:50: 25:55 + _29 = Add(move _30, move _31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:44: 25:55 + StorageDead(_31); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 + StorageDead(_30); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:54: 25:55 + ((_3 as Vmax).0: f32) = move _29; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 + discriminant(_3) = 3; // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:39: 25:56 + StorageDead(_29); // scope 4 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 + StorageDead(_28); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 + StorageDead(_27); // scope 0 at $DIR/early_otherwise_branch_68867.rs:25:55: 25:56 +- goto -> bb10; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 ++ goto -> bb6; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:8: 27:6 } - bb10: { + bb6: { - ((_0 as Ok).0: ViewportPercentageLength) = move _3; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:5: 28:7 - discriminant(_0) = 0; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:5: 28:7 - StorageDead(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:6: 28:7 - StorageDead(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:29:1: 29:2 - return; // scope 0 at $DIR/early_otherwise_branch_68867.rs:29:2: 29:2 + ((_0 as Ok).0: ViewportPercentageLength) = move _3; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:5: 27:7 + discriminant(_0) = 0; // scope 0 at $DIR/early_otherwise_branch_68867.rs:21:5: 27:7 + StorageDead(_3); // scope 0 at $DIR/early_otherwise_branch_68867.rs:27:6: 27:7 + StorageDead(_4); // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:1: 28:2 + return; // scope 0 at $DIR/early_otherwise_branch_68867.rs:28:2: 28:2 + } + + bb7: { -+ StorageDead(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 -+ switchInt(_11) -> [0_isize: bb2, 1_isize: bb3, 2_isize: bb4, 3_isize: bb5, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:23:21: 23:30 ++ StorageDead(_35); // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 ++ switchInt(_11) -> [0_isize: bb2, 1_isize: bb3, 2_isize: bb4, 3_isize: bb5, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch_68867.rs:22:21: 22:30 } } diff --git a/src/test/mir-opt/exponential_or.match_tuple.SimplifyCfg-initial.after.mir b/src/test/mir-opt/exponential_or.match_tuple.SimplifyCfg-initial.after.mir index aa4f996c4b46..93507879a6f8 100644 --- a/src/test/mir-opt/exponential_or.match_tuple.SimplifyCfg-initial.after.mir +++ b/src/test/mir-opt/exponential_or.match_tuple.SimplifyCfg-initial.after.mir @@ -18,7 +18,7 @@ fn match_tuple(_1: (u32, bool, Option, u32)) -> u32 { } bb0: { - FakeRead(ForMatchedPlace, _1); // scope 0 at $DIR/exponential-or.rs:5:11: 5:12 + FakeRead(ForMatchedPlace(None), _1); // scope 0 at $DIR/exponential-or.rs:5:11: 5:12 switchInt((_1.0: u32)) -> [1_u32: bb2, 4_u32: bb2, otherwise: bb1]; // scope 0 at $DIR/exponential-or.rs:6:15: 6:16 } diff --git a/src/test/mir-opt/inline/inline_retag.bar.Inline.after.mir b/src/test/mir-opt/inline/inline_retag.bar.Inline.after.mir index 0b5dc2b20fc9..1aabee83be68 100644 --- a/src/test/mir-opt/inline/inline_retag.bar.Inline.after.mir +++ b/src/test/mir-opt/inline/inline_retag.bar.Inline.after.mir @@ -35,7 +35,7 @@ fn bar() -> bool { _10 = const bar::promoted[1]; // scope 1 at $DIR/inline-retag.rs:12:7: 12:9 // ty::Const // + ty: &i32 - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[317d]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[1]) }) + // + val: Unevaluated(bar, [], Some(promoted[1])) // mir::Constant // + span: $DIR/inline-retag.rs:12:7: 12:9 // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[317d]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[1]) }) } @@ -49,7 +49,7 @@ fn bar() -> bool { _9 = const bar::promoted[0]; // scope 1 at $DIR/inline-retag.rs:12:11: 12:14 // ty::Const // + ty: &i32 - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[317d]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(bar, [], Some(promoted[0])) // mir::Constant // + span: $DIR/inline-retag.rs:12:11: 12:14 // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[317d]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/issue_38669.main.SimplifyCfg-initial.after.mir b/src/test/mir-opt/issue_38669.main.SimplifyCfg-initial.after.mir index e9e5a101a64a..8355b2d195e1 100644 --- a/src/test/mir-opt/issue_38669.main.SimplifyCfg-initial.after.mir +++ b/src/test/mir-opt/issue_38669.main.SimplifyCfg-initial.after.mir @@ -14,7 +14,7 @@ fn main() -> () { bb0: { StorageLive(_1); // scope 0 at $DIR/issue-38669.rs:5:9: 5:25 _1 = const false; // scope 0 at $DIR/issue-38669.rs:5:28: 5:33 - FakeRead(ForLet, _1); // scope 0 at $DIR/issue-38669.rs:5:9: 5:25 + FakeRead(ForLet(None), _1); // scope 0 at $DIR/issue-38669.rs:5:9: 5:25 goto -> bb1; // scope 1 at $DIR/issue-38669.rs:6:5: 11:6 } diff --git a/src/test/mir-opt/issue_49232.main.mir_map.0.mir b/src/test/mir-opt/issue_49232.main.mir_map.0.mir index 79f5495c7882..06fbbda3d9e2 100644 --- a/src/test/mir-opt/issue_49232.main.mir_map.0.mir +++ b/src/test/mir-opt/issue_49232.main.mir_map.0.mir @@ -24,7 +24,7 @@ fn main() -> () { StorageLive(_2); // scope 0 at $DIR/issue-49232.rs:7:13: 7:19 StorageLive(_3); // scope 0 at $DIR/issue-49232.rs:8:19: 8:23 _3 = const true; // scope 0 at $DIR/issue-49232.rs:8:19: 8:23 - FakeRead(ForMatchedPlace, _3); // scope 0 at $DIR/issue-49232.rs:8:19: 8:23 + FakeRead(ForMatchedPlace(None), _3); // scope 0 at $DIR/issue-49232.rs:8:19: 8:23 switchInt(_3) -> [false: bb3, otherwise: bb4]; // scope 0 at $DIR/issue-49232.rs:9:17: 9:22 } @@ -51,7 +51,7 @@ fn main() -> () { } bb8: { - FakeRead(ForLet, _2); // scope 0 at $DIR/issue-49232.rs:7:13: 7:19 + FakeRead(ForLet(None), _2); // scope 0 at $DIR/issue-49232.rs:7:13: 7:19 StorageDead(_3); // scope 0 at $DIR/issue-49232.rs:12:10: 12:11 StorageLive(_5); // scope 1 at $DIR/issue-49232.rs:13:9: 13:22 StorageLive(_6); // scope 1 at $DIR/issue-49232.rs:13:14: 13:21 diff --git a/src/test/mir-opt/issue_72181.main.mir_map.0.32bit.mir b/src/test/mir-opt/issue_72181.main.mir_map.0.32bit.mir index cf66a501e35e..2e6783b7f3c9 100644 --- a/src/test/mir-opt/issue_72181.main.mir_map.0.32bit.mir +++ b/src/test/mir-opt/issue_72181.main.mir_map.0.32bit.mir @@ -38,7 +38,7 @@ fn main() -> () { _2 = [move _3, move _4]; // scope 1 at $DIR/issue-72181.rs:26:13: 26:43 StorageDead(_4); // scope 1 at $DIR/issue-72181.rs:26:42: 26:43 StorageDead(_3); // scope 1 at $DIR/issue-72181.rs:26:42: 26:43 - FakeRead(ForLet, _2); // scope 1 at $DIR/issue-72181.rs:26:9: 26:10 + FakeRead(ForLet(None), _2); // scope 1 at $DIR/issue-72181.rs:26:9: 26:10 StorageLive(_5); // scope 2 at $DIR/issue-72181.rs:27:13: 27:30 StorageLive(_6); // scope 4 at $DIR/issue-72181.rs:27:24: 27:25 _6 = const 0_usize; // scope 4 at $DIR/issue-72181.rs:27:24: 27:25 diff --git a/src/test/mir-opt/issue_72181.main.mir_map.0.64bit.mir b/src/test/mir-opt/issue_72181.main.mir_map.0.64bit.mir index cf66a501e35e..2e6783b7f3c9 100644 --- a/src/test/mir-opt/issue_72181.main.mir_map.0.64bit.mir +++ b/src/test/mir-opt/issue_72181.main.mir_map.0.64bit.mir @@ -38,7 +38,7 @@ fn main() -> () { _2 = [move _3, move _4]; // scope 1 at $DIR/issue-72181.rs:26:13: 26:43 StorageDead(_4); // scope 1 at $DIR/issue-72181.rs:26:42: 26:43 StorageDead(_3); // scope 1 at $DIR/issue-72181.rs:26:42: 26:43 - FakeRead(ForLet, _2); // scope 1 at $DIR/issue-72181.rs:26:9: 26:10 + FakeRead(ForLet(None), _2); // scope 1 at $DIR/issue-72181.rs:26:9: 26:10 StorageLive(_5); // scope 2 at $DIR/issue-72181.rs:27:13: 27:30 StorageLive(_6); // scope 4 at $DIR/issue-72181.rs:27:24: 27:25 _6 = const 0_usize; // scope 4 at $DIR/issue-72181.rs:27:24: 27:25 diff --git a/src/test/mir-opt/issue_72181_1.f.mir_map.0.mir b/src/test/mir-opt/issue_72181_1.f.mir_map.0.mir index 7571d7bb94f9..7def08ece220 100644 --- a/src/test/mir-opt/issue_72181_1.f.mir_map.0.mir +++ b/src/test/mir-opt/issue_72181_1.f.mir_map.0.mir @@ -9,7 +9,7 @@ fn f(_1: Void) -> ! { bb0: { StorageLive(_2); // scope 0 at $DIR/issue-72181-1.rs:10:20: 12:2 StorageLive(_3); // scope 0 at $DIR/issue-72181-1.rs:11:5: 11:15 - FakeRead(ForMatchedPlace, _1); // scope 0 at $DIR/issue-72181-1.rs:11:11: 11:12 + FakeRead(ForMatchedPlace(None), _1); // scope 0 at $DIR/issue-72181-1.rs:11:11: 11:12 unreachable; // scope 0 at $DIR/issue-72181-1.rs:11:11: 11:12 } diff --git a/src/test/mir-opt/issue_72181_1.main.mir_map.0.mir b/src/test/mir-opt/issue_72181_1.main.mir_map.0.mir index 1fd91c2056bf..3c26b20c35e2 100644 --- a/src/test/mir-opt/issue_72181_1.main.mir_map.0.mir +++ b/src/test/mir-opt/issue_72181_1.main.mir_map.0.mir @@ -29,7 +29,7 @@ fn main() -> () { bb1: { StorageDead(_3); // scope 2 at $DIR/issue-72181-1.rs:17:43: 17:44 - FakeRead(ForLet, _2); // scope 0 at $DIR/issue-72181-1.rs:16:9: 16:10 + FakeRead(ForLet(None), _2); // scope 0 at $DIR/issue-72181-1.rs:16:9: 16:10 AscribeUserType(_2, o, UserTypeProjection { base: UserType(1), projs: [] }); // scope 0 at $DIR/issue-72181-1.rs:16:12: 16:16 StorageLive(_4); // scope 1 at $DIR/issue-72181-1.rs:20:5: 20:9 StorageLive(_5); // scope 1 at $DIR/issue-72181-1.rs:20:7: 20:8 diff --git a/src/test/mir-opt/issue_73223.main.PreCodegen.32bit.diff b/src/test/mir-opt/issue_73223.main.PreCodegen.32bit.diff index 1ba560167763..95a8ef997fa4 100644 --- a/src/test/mir-opt/issue_73223.main.PreCodegen.32bit.diff +++ b/src/test/mir-opt/issue_73223.main.PreCodegen.32bit.diff @@ -63,7 +63,7 @@ _20 = const main::promoted[0]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL // ty::Const // + ty: &i32 - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/issue_73223.main.PreCodegen.64bit.diff b/src/test/mir-opt/issue_73223.main.PreCodegen.64bit.diff index 1ba560167763..95a8ef997fa4 100644 --- a/src/test/mir-opt/issue_73223.main.PreCodegen.64bit.diff +++ b/src/test/mir-opt/issue_73223.main.PreCodegen.64bit.diff @@ -63,7 +63,7 @@ _20 = const main::promoted[0]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL // ty::Const // + ty: &i32 - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.32bit.diff b/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.32bit.diff index 245f0e9d0004..261eb3b27eaf 100644 --- a/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.32bit.diff +++ b/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.32bit.diff @@ -84,7 +84,7 @@ _28 = const main::promoted[0]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL // ty::Const // + ty: &i32 - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.64bit.diff b/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.64bit.diff index 245f0e9d0004..261eb3b27eaf 100644 --- a/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.64bit.diff +++ b/src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.64bit.diff @@ -84,7 +84,7 @@ _28 = const main::promoted[0]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL // ty::Const // + ty: &i32 - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/loop_test.main.SimplifyCfg-promote-consts.after.mir b/src/test/mir-opt/loop_test.main.SimplifyCfg-promote-consts.after.mir index f109937dbf93..99c7ac8d5b70 100644 --- a/src/test/mir-opt/loop_test.main.SimplifyCfg-promote-consts.after.mir +++ b/src/test/mir-opt/loop_test.main.SimplifyCfg-promote-consts.after.mir @@ -41,7 +41,7 @@ fn main() -> () { bb4: { StorageLive(_6); // scope 0 at $DIR/loop_test.rs:14:13: 14:14 _6 = const 1_i32; // scope 0 at $DIR/loop_test.rs:14:17: 14:18 - FakeRead(ForLet, _6); // scope 0 at $DIR/loop_test.rs:14:13: 14:14 + FakeRead(ForLet(None), _6); // scope 0 at $DIR/loop_test.rs:14:13: 14:14 StorageDead(_6); // scope 0 at $DIR/loop_test.rs:16:5: 16:6 goto -> bb3; // scope 0 at $DIR/loop_test.rs:1:1: 1:1 } diff --git a/src/test/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.diff b/src/test/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.diff index 83650d837b01..a37df4da9ae4 100644 --- a/src/test/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.diff +++ b/src/test/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.diff @@ -47,7 +47,7 @@ _19 = const discriminant::::promoted[2]; // scope 0 at $DIR/lower_intrinsics.rs:70:42: 70:44 // ty::Const // + ty: &i32 - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[2]) }) + // + val: Unevaluated(discriminant, [T], Some(promoted[2])) // mir::Constant // + span: $DIR/lower_intrinsics.rs:70:42: 70:44 // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[2]) }) } @@ -71,7 +71,7 @@ _18 = const discriminant::::promoted[1]; // scope 0 at $DIR/lower_intrinsics.rs:71:42: 71:45 // ty::Const // + ty: &() - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[1]) }) + // + val: Unevaluated(discriminant, [T], Some(promoted[1])) // mir::Constant // + span: $DIR/lower_intrinsics.rs:71:42: 71:45 // + literal: Const { ty: &(), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[1]) }) } @@ -95,7 +95,7 @@ _17 = const discriminant::::promoted[0]; // scope 0 at $DIR/lower_intrinsics.rs:72:42: 72:47 // ty::Const // + ty: &E - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[0]) }) + // + val: Unevaluated(discriminant, [T], Some(promoted[0])) // mir::Constant // + span: $DIR/lower_intrinsics.rs:72:42: 72:47 // + literal: Const { ty: &E, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/match_arm_scopes.complicated_match.SimplifyCfg-initial.after-ElaborateDrops.after.diff b/src/test/mir-opt/match_arm_scopes.complicated_match.SimplifyCfg-initial.after-ElaborateDrops.after.diff index 95beab2ec9af..3395cbfbdfb3 100644 --- a/src/test/mir-opt/match_arm_scopes.complicated_match.SimplifyCfg-initial.after-ElaborateDrops.after.diff +++ b/src/test/mir-opt/match_arm_scopes.complicated_match.SimplifyCfg-initial.after-ElaborateDrops.after.diff @@ -31,7 +31,7 @@ } bb0: { -- FakeRead(ForMatchedPlace, _2); // scope 0 at $DIR/match-arm-scopes.rs:14:11: 14:16 +- FakeRead(ForMatchedPlace(None), _2); // scope 0 at $DIR/match-arm-scopes.rs:14:11: 14:16 - switchInt((_2.0: bool)) -> [false: bb1, otherwise: bb2]; // scope 0 at $DIR/match-arm-scopes.rs:15:10: 15:15 + switchInt((_2.0: bool)) -> [false: bb5, otherwise: bb1]; // scope 0 at $DIR/match-arm-scopes.rs:15:10: 15:15 } diff --git a/src/test/mir-opt/match_false_edges.full_tested_match.PromoteTemps.after.mir b/src/test/mir-opt/match_false_edges.full_tested_match.PromoteTemps.after.mir index 242138754c5d..5af242376c93 100644 --- a/src/test/mir-opt/match_false_edges.full_tested_match.PromoteTemps.after.mir +++ b/src/test/mir-opt/match_false_edges.full_tested_match.PromoteTemps.after.mir @@ -27,7 +27,7 @@ fn full_tested_match() -> () { StorageLive(_1); // scope 0 at $DIR/match_false_edges.rs:15:13: 19:6 StorageLive(_2); // scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 _2 = Option::::Some(const 42_i32); // scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 - FakeRead(ForMatchedPlace, _2); // scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 + FakeRead(ForMatchedPlace(None), _2); // scope 0 at $DIR/match_false_edges.rs:15:19: 15:27 _3 = discriminant(_2); // scope 0 at $DIR/match_false_edges.rs:16:9: 16:16 switchInt(move _3) -> [0_isize: bb1, 1_isize: bb2, otherwise: bb4]; // scope 0 at $DIR/match_false_edges.rs:16:9: 16:16 } @@ -54,7 +54,7 @@ fn full_tested_match() -> () { _11 = const full_tested_match::promoted[0]; // scope 0 at $DIR/match_false_edges.rs:16:14: 16:15 // ty::Const // + ty: &std::option::Option - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ match_false_edges[317d]::full_tested_match), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(full_tested_match, [], Some(promoted[0])) // mir::Constant // + span: $DIR/match_false_edges.rs:16:14: 16:15 // + literal: Const { ty: &std::option::Option, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ match_false_edges[317d]::full_tested_match), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/match_false_edges.full_tested_match2.PromoteTemps.before.mir b/src/test/mir-opt/match_false_edges.full_tested_match2.PromoteTemps.before.mir index c7b1cce061bc..a4ebf8a02466 100644 --- a/src/test/mir-opt/match_false_edges.full_tested_match2.PromoteTemps.before.mir +++ b/src/test/mir-opt/match_false_edges.full_tested_match2.PromoteTemps.before.mir @@ -26,7 +26,7 @@ fn full_tested_match2() -> () { StorageLive(_1); // scope 0 at $DIR/match_false_edges.rs:26:13: 30:6 StorageLive(_2); // scope 0 at $DIR/match_false_edges.rs:26:19: 26:27 _2 = Option::::Some(const 42_i32); // scope 0 at $DIR/match_false_edges.rs:26:19: 26:27 - FakeRead(ForMatchedPlace, _2); // scope 0 at $DIR/match_false_edges.rs:26:19: 26:27 + FakeRead(ForMatchedPlace(None), _2); // scope 0 at $DIR/match_false_edges.rs:26:19: 26:27 _3 = discriminant(_2); // scope 0 at $DIR/match_false_edges.rs:27:9: 27:16 switchInt(move _3) -> [0_isize: bb1, 1_isize: bb2, otherwise: bb4]; // scope 0 at $DIR/match_false_edges.rs:27:9: 27:16 } diff --git a/src/test/mir-opt/match_false_edges.main.PromoteTemps.before.mir b/src/test/mir-opt/match_false_edges.main.PromoteTemps.before.mir index 9b8ce2c1ed04..5de52b324f43 100644 --- a/src/test/mir-opt/match_false_edges.main.PromoteTemps.before.mir +++ b/src/test/mir-opt/match_false_edges.main.PromoteTemps.before.mir @@ -37,7 +37,7 @@ fn main() -> () { StorageLive(_1); // scope 0 at $DIR/match_false_edges.rs:35:13: 40:6 StorageLive(_2); // scope 0 at $DIR/match_false_edges.rs:35:19: 35:26 _2 = Option::::Some(const 1_i32); // scope 0 at $DIR/match_false_edges.rs:35:19: 35:26 - FakeRead(ForMatchedPlace, _2); // scope 0 at $DIR/match_false_edges.rs:35:19: 35:26 + FakeRead(ForMatchedPlace(None), _2); // scope 0 at $DIR/match_false_edges.rs:35:19: 35:26 _4 = discriminant(_2); // scope 0 at $DIR/match_false_edges.rs:36:9: 36:17 switchInt(move _4) -> [1_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/match_false_edges.rs:36:9: 36:17 } diff --git a/src/test/mir-opt/match_test.main.SimplifyCfg-initial.after.mir b/src/test/mir-opt/match_test.main.SimplifyCfg-initial.after.mir index e3bc4f80f27f..5bb910947ca2 100644 --- a/src/test/mir-opt/match_test.main.SimplifyCfg-initial.after.mir +++ b/src/test/mir-opt/match_test.main.SimplifyCfg-initial.after.mir @@ -21,12 +21,12 @@ fn main() -> () { bb0: { StorageLive(_1); // scope 0 at $DIR/match_test.rs:7:9: 7:10 _1 = const 3_i32; // scope 0 at $DIR/match_test.rs:7:13: 7:14 - FakeRead(ForLet, _1); // scope 0 at $DIR/match_test.rs:7:9: 7:10 + FakeRead(ForLet(None), _1); // scope 0 at $DIR/match_test.rs:7:9: 7:10 StorageLive(_2); // scope 1 at $DIR/match_test.rs:8:9: 8:10 _2 = const true; // scope 1 at $DIR/match_test.rs:8:13: 8:17 - FakeRead(ForLet, _2); // scope 1 at $DIR/match_test.rs:8:9: 8:10 + FakeRead(ForLet(None), _2); // scope 1 at $DIR/match_test.rs:8:9: 8:10 StorageLive(_3); // scope 2 at $DIR/match_test.rs:12:5: 17:6 - FakeRead(ForMatchedPlace, _1); // scope 2 at $DIR/match_test.rs:12:11: 12:12 + FakeRead(ForMatchedPlace(None), _1); // scope 2 at $DIR/match_test.rs:12:11: 12:12 _6 = Le(const 0_i32, _1); // scope 2 at $DIR/match_test.rs:13:9: 13:14 switchInt(move _6) -> [false: bb4, otherwise: bb1]; // scope 2 at $DIR/match_test.rs:13:9: 13:14 } diff --git a/src/test/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir b/src/test/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir index 8c939d5fc3da..39e6cee11b4c 100644 --- a/src/test/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir +++ b/src/test/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir @@ -46,7 +46,7 @@ fn main() -> () { bb0: { StorageLive(_1); // bb0[0]: scope 0 at $DIR/region-subtyping-basic.rs:17:9: 17:14 _1 = [const Const(Value(Scalar(0x00000001)): usize), const Const(Value(Scalar(0x00000002)): usize), const Const(Value(Scalar(0x00000003)): usize)]; // bb0[1]: scope 0 at $DIR/region-subtyping-basic.rs:17:17: 17:26 - FakeRead(ForLet, _1); // bb0[2]: scope 0 at $DIR/region-subtyping-basic.rs:17:9: 17:14 + FakeRead(ForLet(None), _1); // bb0[2]: scope 0 at $DIR/region-subtyping-basic.rs:17:9: 17:14 StorageLive(_2); // bb0[3]: scope 1 at $DIR/region-subtyping-basic.rs:18:9: 18:10 StorageLive(_3); // bb0[4]: scope 1 at $DIR/region-subtyping-basic.rs:18:16: 18:17 _3 = const Const(Value(Scalar(0x00000000)): usize); // bb0[5]: scope 1 at $DIR/region-subtyping-basic.rs:18:16: 18:17 @@ -57,10 +57,10 @@ fn main() -> () { bb1: { _2 = &'_#3r _1[_3]; // bb1[0]: scope 1 at $DIR/region-subtyping-basic.rs:18:13: 18:18 - FakeRead(ForLet, _2); // bb1[1]: scope 1 at $DIR/region-subtyping-basic.rs:18:9: 18:10 + FakeRead(ForLet(None), _2); // bb1[1]: scope 1 at $DIR/region-subtyping-basic.rs:18:9: 18:10 StorageLive(_6); // bb1[2]: scope 2 at $DIR/region-subtyping-basic.rs:19:9: 19:10 _6 = _2; // bb1[3]: scope 2 at $DIR/region-subtyping-basic.rs:19:13: 19:14 - FakeRead(ForLet, _6); // bb1[4]: scope 2 at $DIR/region-subtyping-basic.rs:19:9: 19:10 + FakeRead(ForLet(None), _6); // bb1[4]: scope 2 at $DIR/region-subtyping-basic.rs:19:9: 19:10 StorageLive(_7); // bb1[5]: scope 3 at $DIR/region-subtyping-basic.rs:20:8: 20:12 _7 = const Const(Value(Scalar(0x01)): bool); // bb1[6]: scope 3 at $DIR/region-subtyping-basic.rs:20:8: 20:12 switchInt(move _7) -> [Const(Value(Scalar(0x00)): bool): bb3, otherwise: bb2]; // bb1[7]: scope 3 at $DIR/region-subtyping-basic.rs:20:5: 24:6 diff --git a/src/test/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir b/src/test/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir index 00704baa6c19..6021b6529f91 100644 --- a/src/test/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir +++ b/src/test/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir @@ -46,7 +46,7 @@ fn main() -> () { bb0: { StorageLive(_1); // bb0[0]: scope 0 at $DIR/region-subtyping-basic.rs:17:9: 17:14 _1 = [const Const(Value(Scalar(0x0000000000000001)): usize), const Const(Value(Scalar(0x0000000000000002)): usize), const Const(Value(Scalar(0x0000000000000003)): usize)]; // bb0[1]: scope 0 at $DIR/region-subtyping-basic.rs:17:17: 17:26 - FakeRead(ForLet, _1); // bb0[2]: scope 0 at $DIR/region-subtyping-basic.rs:17:9: 17:14 + FakeRead(ForLet(None), _1); // bb0[2]: scope 0 at $DIR/region-subtyping-basic.rs:17:9: 17:14 StorageLive(_2); // bb0[3]: scope 1 at $DIR/region-subtyping-basic.rs:18:9: 18:10 StorageLive(_3); // bb0[4]: scope 1 at $DIR/region-subtyping-basic.rs:18:16: 18:17 _3 = const Const(Value(Scalar(0x0000000000000000)): usize); // bb0[5]: scope 1 at $DIR/region-subtyping-basic.rs:18:16: 18:17 @@ -57,10 +57,10 @@ fn main() -> () { bb1: { _2 = &'_#3r _1[_3]; // bb1[0]: scope 1 at $DIR/region-subtyping-basic.rs:18:13: 18:18 - FakeRead(ForLet, _2); // bb1[1]: scope 1 at $DIR/region-subtyping-basic.rs:18:9: 18:10 + FakeRead(ForLet(None), _2); // bb1[1]: scope 1 at $DIR/region-subtyping-basic.rs:18:9: 18:10 StorageLive(_6); // bb1[2]: scope 2 at $DIR/region-subtyping-basic.rs:19:9: 19:10 _6 = _2; // bb1[3]: scope 2 at $DIR/region-subtyping-basic.rs:19:13: 19:14 - FakeRead(ForLet, _6); // bb1[4]: scope 2 at $DIR/region-subtyping-basic.rs:19:9: 19:10 + FakeRead(ForLet(None), _6); // bb1[4]: scope 2 at $DIR/region-subtyping-basic.rs:19:9: 19:10 StorageLive(_7); // bb1[5]: scope 3 at $DIR/region-subtyping-basic.rs:20:8: 20:12 _7 = const Const(Value(Scalar(0x01)): bool); // bb1[6]: scope 3 at $DIR/region-subtyping-basic.rs:20:8: 20:12 switchInt(move _7) -> [Const(Value(Scalar(0x00)): bool): bb3, otherwise: bb2]; // bb1[7]: scope 3 at $DIR/region-subtyping-basic.rs:20:5: 24:6 diff --git a/src/test/mir-opt/receiver_ptr_mutability.main.mir_map.0.mir b/src/test/mir-opt/receiver_ptr_mutability.main.mir_map.0.mir index d2d96ff468df..f54c8f8ab4a2 100644 --- a/src/test/mir-opt/receiver_ptr_mutability.main.mir_map.0.mir +++ b/src/test/mir-opt/receiver_ptr_mutability.main.mir_map.0.mir @@ -36,7 +36,7 @@ fn main() -> () { } bb1: { - FakeRead(ForLet, _1); // scope 0 at $DIR/receiver-ptr-mutability.rs:14:9: 14:12 + FakeRead(ForLet(None), _1); // scope 0 at $DIR/receiver-ptr-mutability.rs:14:9: 14:12 AscribeUserType(_1, o, UserTypeProjection { base: UserType(1), projs: [] }); // scope 0 at $DIR/receiver-ptr-mutability.rs:14:14: 14:23 StorageLive(_2); // scope 1 at $DIR/receiver-ptr-mutability.rs:15:5: 15:12 StorageLive(_3); // scope 1 at $DIR/receiver-ptr-mutability.rs:15:5: 15:8 @@ -63,7 +63,7 @@ fn main() -> () { _7 = &_8; // scope 1 at $DIR/receiver-ptr-mutability.rs:18:35: 18:41 _6 = &_7; // scope 1 at $DIR/receiver-ptr-mutability.rs:18:34: 18:41 _5 = &(*_6); // scope 1 at $DIR/receiver-ptr-mutability.rs:18:34: 18:41 - FakeRead(ForLet, _5); // scope 1 at $DIR/receiver-ptr-mutability.rs:18:9: 18:16 + FakeRead(ForLet(None), _5); // scope 1 at $DIR/receiver-ptr-mutability.rs:18:9: 18:16 AscribeUserType(_5, o, UserTypeProjection { base: UserType(3), projs: [] }); // scope 1 at $DIR/receiver-ptr-mutability.rs:18:18: 18:31 StorageDead(_6); // scope 1 at $DIR/receiver-ptr-mutability.rs:18:41: 18:42 StorageLive(_10); // scope 2 at $DIR/receiver-ptr-mutability.rs:19:5: 19:16 diff --git a/src/test/mir-opt/remove_fake_borrows.match_guard.CleanupNonCodegenStatements.diff b/src/test/mir-opt/remove_fake_borrows.match_guard.CleanupNonCodegenStatements.diff index 47027311b475..4aa388fc67bd 100644 --- a/src/test/mir-opt/remove_fake_borrows.match_guard.CleanupNonCodegenStatements.diff +++ b/src/test/mir-opt/remove_fake_borrows.match_guard.CleanupNonCodegenStatements.diff @@ -13,7 +13,7 @@ let mut _8: bool; // in scope 0 at $DIR/remove_fake_borrows.rs:8:20: 8:21 bb0: { -- FakeRead(ForMatchedPlace, _1); // scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 +- FakeRead(ForMatchedPlace(None), _1); // scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 + nop; // scope 0 at $DIR/remove_fake_borrows.rs:7:11: 7:12 _3 = discriminant(_1); // scope 0 at $DIR/remove_fake_borrows.rs:8:9: 8:16 switchInt(move _3) -> [1_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/remove_fake_borrows.rs:8:9: 8:16 diff --git a/src/test/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.mir index d25f98db9f66..894f64c77672 100644 --- a/src/test/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.mir +++ b/src/test/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.mir @@ -149,7 +149,7 @@ fn main() -> () { _27 = const main::promoted[0]; // scope 7 at $DIR/retag.rs:47:21: 47:23 // ty::Const // + ty: &i32 - // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:13 ~ retag[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) + // + val: Unevaluated(main, [], Some(promoted[0])) // mir::Constant // + span: $DIR/retag.rs:47:21: 47:23 // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:13 ~ retag[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) } diff --git a/src/test/mir-opt/simple_match.match_bool.mir_map.0.32bit.mir b/src/test/mir-opt/simple_match.match_bool.mir_map.0.32bit.mir index 5bcb20ca72a3..841cca7c381f 100644 --- a/src/test/mir-opt/simple_match.match_bool.mir_map.0.32bit.mir +++ b/src/test/mir-opt/simple_match.match_bool.mir_map.0.32bit.mir @@ -5,7 +5,7 @@ fn match_bool(_1: bool) -> usize { let mut _0: usize; // return place in scope 0 at $DIR/simple-match.rs:5:27: 5:32 bb0: { - FakeRead(ForMatchedPlace, _1); // scope 0 at $DIR/simple-match.rs:6:11: 6:12 + FakeRead(ForMatchedPlace(None), _1); // scope 0 at $DIR/simple-match.rs:6:11: 6:12 switchInt(_1) -> [false: bb2, otherwise: bb1]; // scope 0 at $DIR/simple-match.rs:7:9: 7:13 } diff --git a/src/test/mir-opt/simple_match.match_bool.mir_map.0.64bit.mir b/src/test/mir-opt/simple_match.match_bool.mir_map.0.64bit.mir index 5bcb20ca72a3..841cca7c381f 100644 --- a/src/test/mir-opt/simple_match.match_bool.mir_map.0.64bit.mir +++ b/src/test/mir-opt/simple_match.match_bool.mir_map.0.64bit.mir @@ -5,7 +5,7 @@ fn match_bool(_1: bool) -> usize { let mut _0: usize; // return place in scope 0 at $DIR/simple-match.rs:5:27: 5:32 bb0: { - FakeRead(ForMatchedPlace, _1); // scope 0 at $DIR/simple-match.rs:6:11: 6:12 + FakeRead(ForMatchedPlace(None), _1); // scope 0 at $DIR/simple-match.rs:6:11: 6:12 switchInt(_1) -> [false: bb2, otherwise: bb1]; // scope 0 at $DIR/simple-match.rs:7:9: 7:13 } diff --git a/src/test/mir-opt/storage_ranges.main.nll.0.mir b/src/test/mir-opt/storage_ranges.main.nll.0.mir index 6fa83d3de625..e02580135af3 100644 --- a/src/test/mir-opt/storage_ranges.main.nll.0.mir +++ b/src/test/mir-opt/storage_ranges.main.nll.0.mir @@ -39,7 +39,7 @@ fn main() -> () { bb0: { StorageLive(_1); // scope 0 at $DIR/storage_ranges.rs:4:9: 4:10 _1 = const 0_i32; // scope 0 at $DIR/storage_ranges.rs:4:13: 4:14 - FakeRead(ForLet, _1); // scope 0 at $DIR/storage_ranges.rs:4:9: 4:10 + FakeRead(ForLet(None), _1); // scope 0 at $DIR/storage_ranges.rs:4:9: 4:10 StorageLive(_2); // scope 1 at $DIR/storage_ranges.rs:5:5: 7:6 StorageLive(_3); // scope 1 at $DIR/storage_ranges.rs:6:13: 6:14 StorageLive(_4); // scope 1 at $DIR/storage_ranges.rs:6:18: 6:25 @@ -48,14 +48,14 @@ fn main() -> () { _4 = Option::::Some(move _5); // scope 1 at $DIR/storage_ranges.rs:6:18: 6:25 StorageDead(_5); // scope 1 at $DIR/storage_ranges.rs:6:24: 6:25 _3 = &_4; // scope 1 at $DIR/storage_ranges.rs:6:17: 6:25 - FakeRead(ForLet, _3); // scope 1 at $DIR/storage_ranges.rs:6:13: 6:14 + FakeRead(ForLet(None), _3); // scope 1 at $DIR/storage_ranges.rs:6:13: 6:14 _2 = const (); // scope 1 at $DIR/storage_ranges.rs:5:5: 7:6 StorageDead(_4); // scope 1 at $DIR/storage_ranges.rs:7:5: 7:6 StorageDead(_3); // scope 1 at $DIR/storage_ranges.rs:7:5: 7:6 StorageDead(_2); // scope 1 at $DIR/storage_ranges.rs:7:5: 7:6 StorageLive(_6); // scope 1 at $DIR/storage_ranges.rs:8:9: 8:10 _6 = const 1_i32; // scope 1 at $DIR/storage_ranges.rs:8:13: 8:14 - FakeRead(ForLet, _6); // scope 1 at $DIR/storage_ranges.rs:8:9: 8:10 + FakeRead(ForLet(None), _6); // scope 1 at $DIR/storage_ranges.rs:8:9: 8:10 _0 = const (); // scope 0 at $DIR/storage_ranges.rs:3:11: 9:2 StorageDead(_6); // scope 1 at $DIR/storage_ranges.rs:9:1: 9:2 StorageDead(_1); // scope 0 at $DIR/storage_ranges.rs:9:1: 9:2 diff --git a/src/test/mir-opt/uniform_array_move_out.move_out_by_subslice.mir_map.0.mir b/src/test/mir-opt/uniform_array_move_out.move_out_by_subslice.mir_map.0.mir index d18f6308ded8..7f81d9fc482f 100644 --- a/src/test/mir-opt/uniform_array_move_out.move_out_by_subslice.mir_map.0.mir +++ b/src/test/mir-opt/uniform_array_move_out.move_out_by_subslice.mir_map.0.mir @@ -48,7 +48,7 @@ fn move_out_by_subslice() -> () { bb4: { StorageDead(_2); // scope 0 at $DIR/uniform_array_move_out.rs:11:26: 11:27 - FakeRead(ForLet, _1); // scope 0 at $DIR/uniform_array_move_out.rs:11:9: 11:10 + FakeRead(ForLet(None), _1); // scope 0 at $DIR/uniform_array_move_out.rs:11:9: 11:10 StorageLive(_6); // scope 1 at $DIR/uniform_array_move_out.rs:12:10: 12:17 _6 = move _1[0..2]; // scope 1 at $DIR/uniform_array_move_out.rs:12:10: 12:17 _0 = const (); // scope 0 at $DIR/uniform_array_move_out.rs:10:27: 13:2 diff --git a/src/test/mir-opt/uniform_array_move_out.move_out_from_end.mir_map.0.mir b/src/test/mir-opt/uniform_array_move_out.move_out_from_end.mir_map.0.mir index eda8e5fd3afe..62ab494c0662 100644 --- a/src/test/mir-opt/uniform_array_move_out.move_out_from_end.mir_map.0.mir +++ b/src/test/mir-opt/uniform_array_move_out.move_out_from_end.mir_map.0.mir @@ -48,7 +48,7 @@ fn move_out_from_end() -> () { bb4: { StorageDead(_2); // scope 0 at $DIR/uniform_array_move_out.rs:5:26: 5:27 - FakeRead(ForLet, _1); // scope 0 at $DIR/uniform_array_move_out.rs:5:9: 5:10 + FakeRead(ForLet(None), _1); // scope 0 at $DIR/uniform_array_move_out.rs:5:9: 5:10 StorageLive(_6); // scope 1 at $DIR/uniform_array_move_out.rs:6:14: 6:16 _6 = move _1[1 of 2]; // scope 1 at $DIR/uniform_array_move_out.rs:6:14: 6:16 _0 = const (); // scope 0 at $DIR/uniform_array_move_out.rs:4:24: 7:2 diff --git a/src/test/run-make-fulldeps/coverage-llvmir/Makefile b/src/test/run-make-fulldeps/coverage-llvmir/Makefile index 86af7e41ae15..7d9121ee2f83 100644 --- a/src/test/run-make-fulldeps/coverage-llvmir/Makefile +++ b/src/test/run-make-fulldeps/coverage-llvmir/Makefile @@ -17,7 +17,7 @@ else COMDAT_IF_SUPPORTED=, comdat endif -DEFINE_INTERNAL=define hidden +DEFINE_INTERNAL=define internal ifdef IS_WINDOWS LLVM_FILECHECK_OPTIONS=\ diff --git a/src/test/run-make-fulldeps/coverage-reports/Makefile b/src/test/run-make-fulldeps/coverage-reports/Makefile index dd5e28b449cd..d3d398f1fac2 100644 --- a/src/test/run-make-fulldeps/coverage-reports/Makefile +++ b/src/test/run-make-fulldeps/coverage-reports/Makefile @@ -61,13 +61,6 @@ endif LLVM_COV_IGNORE_FILES=\ --ignore-filename-regex='(uses_crate.rs|uses_inline_crate.rs)' -# When generating `expected_*` results (using `x.py test --bless`), the `--debug` flag is forced. -# If assertions are disabled, the command will fail with an error, rather than attempt to generate -# only partial results. -ifdef RUSTC_BLESS_TEST -DEBUG_FLAG=--debug -endif - all: $(patsubst $(SOURCEDIR)/lib/%.rs,%,$(wildcard $(SOURCEDIR)/lib/*.rs)) $(patsubst $(SOURCEDIR)/%.rs,%,$(wildcard $(SOURCEDIR)/*.rs)) # Ensure there are no `expected` results for tests that may have been removed or renamed @@ -177,76 +170,3 @@ else false \ ) endif - -#################################################################################################### - -# The following Makefile content was used to copy the generated `counters` files -# to `expected_` files (when `--bless`ed) and to compare them via `diff`; but for -# multiple reasons, these files cannot easily be used for test validation: -# -# * Output lines can be produced in non-deterministic order (depending on the -# target platform, and sometimes on unrelated codegen changes). -# * Some lines include demangled function names, making them more challenging -# to interpret and compare. -# -# The files are still generated (in `$(TMPDIR)`) to support developers wanting -# to inspect the counters, for debugging purposes. -# -# ifdef RUSTC_BLESS_TEST -# cp "$(TMPDIR)"/actual_show_coverage_counters.$@.txt \ -# expected_show_coverage_counters.$@.txt -# else -# -# ifdef DEBUG_FLAG -# $(DIFF) expected_show_coverage_counters.$@.txt "$(TMPDIR)"/actual_show_coverage_counters.$@.txt || \ -# ( grep -q '^\/\/ ignore-llvm-cov-show-diffs' $(SOURCEDIR)/$@.rs && \ -# >&2 echo 'diff failed, but suppressed with `// ignore-llvm-cov-show-diffs` in $(SOURCEDIR)/$@.rs' \ -# ) || \ -# ( >&2 echo 'diff failed, and not suppressed without `// ignore-llvm-cov-show-diffs` in $(SOURCEDIR)/$@.rs'; \ -# >&2 echo '(Ignore anyway until mangled function names in "counters" files are demangled.)' \ -# ) -# endif -# -# endif - -#################################################################################################### - -# The following Makefile content, and short JSON script, were used to generate -# coverage reports in JSON when the `llvm-cov show` reports were less reliable for -# testing. At the present time, however, the `llvm-cov show` results, and methods -# for comparing them, are working for all tests, making the JSON reports redundant. -# -# If this changes in the future, the scripts are left here, commented out, but can -# be resurrected if desired. This could be used to compare *only* the JSON files; -# and in that case, the `llvm-cov show` reports can be ignored by inserting -# `// ignore-llvm-cov-show-diffs` at the top of the source file. -# -# # Generate a coverage report in JSON, using `llvm-cov export`, and fail if -# # there are differences from the expected output. -# "$(LLVM_BIN_DIR)"/llvm-cov export \ -# $(LLVM_COV_IGNORE_FILES) \ -# --summary-only \ -# --instr-profile="$(TMPDIR)"/$@.profdata \ -# $(call BIN,"$(TMPDIR)"/$@) \ -# | "$(PYTHON)" $(BASEDIR)/prettify_json.py \ -# > "$(TMPDIR)"/actual_export_coverage.$@.json -# -# ifdef RUSTC_BLESS_TEST -# cp "$(TMPDIR)"/actual_export_coverage.$@.json expected_export_coverage.$@.json -# else -# # Check that exported JSON coverage data matches what we expect (`--bless` refreshes `expected`) -# $(DIFF) expected_export_coverage.$@.json "$(TMPDIR)"/actual_export_coverage.$@.json -# endif -# -# # # If generating coverage reports in JSON, this Makefile is accompanied by -# # # a Python script, `prettify_json.py`, which is defined: -# # -# # #!/usr/bin/env python -# # -# # import sys -# # import json -# # -# # # Try to decode line in order to ensure it is a valid JSON document -# # for line in sys.stdin: -# # parsed = json.loads(line) -# # print (json.dumps(parsed, indent=2, separators=(',', ': '), sort_keys=True)) diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.async.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.async.txt index d9097bb50e5a..e0a5937c2468 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.async.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.async.txt @@ -10,7 +10,7 @@ 10| | } 11| 1|} 12| | - 13| |async fn d() -> u8 { 1 } // should have a coverage count `0` (see below) + 13| 0|async fn d() -> u8 { 1 } 14| | 15| 0|async fn e() -> u8 { 1 } // unused function; executor does not block on `g()` 16| | @@ -66,7 +66,8 @@ 63| 1| 0 64| 1| } 65| 1| } - 66| 1| fn d() -> u8 { 1 } + 66| 1| fn d() -> u8 { 1 } // inner function is defined in-line, but the function is not executed + ^0 67| 1| fn f() -> u8 { 1 } 68| 1| match x { 69| 1| y if c(x) == y + 1 => { d(); } @@ -115,11 +116,14 @@ 109| | 110| 1| pub fn block_on(mut future: F) -> F::Output { 111| 1| let mut future = unsafe { Pin::new_unchecked(&mut future) }; - 112| 1| + 112| 1| use std::hint::unreachable_unchecked; 113| 1| static VTABLE: RawWakerVTable = RawWakerVTable::new( - 114| 1| |_| unimplemented!("clone"), - 115| 1| |_| unimplemented!("wake"), - 116| 1| |_| unimplemented!("wake_by_ref"), + 114| 1| |_| unsafe { unreachable_unchecked() }, // clone + ^0 + 115| 1| |_| unsafe { unreachable_unchecked() }, // wake + ^0 + 116| 1| |_| unsafe { unreachable_unchecked() }, // wake_by_ref + ^0 117| 1| |_| (), 118| 1| ); 119| 1| let waker = unsafe { Waker::from_raw(RawWaker::new(core::ptr::null(), &VTABLE)) }; @@ -132,15 +136,4 @@ 126| | } 127| 1| } 128| |} - 129| | - 130| |// `llvm-cov show` shows no coverage results for the `d()`, even though the - 131| |// crate's LLVM IR shows the function exists and has an InstrProf PGO counter, - 132| |// and appears to be registered like all other counted functions. - 133| |// - 134| |// `llvm-cov show --debug` output shows there is at least one `Counter` for this - 135| |// line, but counters do not appear in the `Combined regions` section (unlike - 136| |// `f()`, which is similar, but does appear in `Combined regions`, and does show - 137| |// coverage). The only difference is, `f()` is awaited, but the call to await - 138| |// `d()` is not reached. (Note: `d()` will appear in coverage if the test is - 139| |// modified to cause it to be awaited.) diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.doctest.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.doctest.txt index 7d2abe05973e..1b6bb9ff8891 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.doctest.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.doctest.txt @@ -56,7 +56,7 @@ 46| 1|//! println!("called some_func()"); 47| 1|//! } 48| |//! - 49| |//! #[derive(Debug)] + 49| 0|//! #[derive(Debug)] 50| |//! struct SomeError; 51| |//! 52| |//! extern crate doctest_crate; diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.generics.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.generics.txt index 6f28c0890938..7b38ffb87cba 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.generics.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.generics.txt @@ -29,12 +29,12 @@ 18| 2| println!("BOOM times {}!!!", self.strength); 19| 2| } ------------------ - | as core::ops::drop::Drop>::drop: + | as core::ops::drop::Drop>::drop: | 17| 1| fn drop(&mut self) { | 18| 1| println!("BOOM times {}!!!", self.strength); | 19| 1| } ------------------ - | as core::ops::drop::Drop>::drop: + | as core::ops::drop::Drop>::drop: | 17| 1| fn drop(&mut self) { | 18| 1| println!("BOOM times {}!!!", self.strength); | 19| 1| } diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.inline.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.inline.txt index 6148d89ed75e..31d3ddea8d95 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.inline.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.inline.txt @@ -47,7 +47,7 @@ 46| 6|} 47| | 48| |#[inline(always)] - 49| |fn error() { - 50| | panic!("error"); - 51| |} + 49| 0|fn error() { + 50| 0| panic!("error"); + 51| 0|} diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.loops_branches.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.loops_branches.txt index 474f02b70073..81d5c7d90346 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.loops_branches.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.loops_branches.txt @@ -1,7 +1,7 @@ 1| |#![allow(unused_assignments, unused_variables, while_true)] 2| | - 3| |// This test confirms an earlier problem was resolved, supporting the MIR graph generated by the - 4| |// structure of this `fmt` function. + 3| |// This test confirms that (1) unexecuted infinite loops are handled correctly by the + 4| |// InstrumentCoverage MIR pass; and (2) Counter Expressions that subtract from zero can be dropped. 5| | 6| |struct DebugTest; 7| | @@ -16,23 +16,51 @@ ^0 16| | } else { 17| | } - 18| 1| Ok(()) - 19| 1| } - 20| |} - 21| | - 22| 1|fn main() { - 23| 1| let debug_test = DebugTest; - 24| 1| println!("{:?}", debug_test); - 25| 1|} - 26| | - 27| |/* - 28| | - 29| |This is the error message generated, before the issue was fixed: - 30| | - 31| |error: internal compiler error: compiler/rustc_mir/src/transform/coverage/mod.rs:374:42: - 32| |Error processing: DefId(0:6 ~ bug_incomplete_cov_graph_traversal_simplified[317d]::{impl#0}::fmt): - 33| |Error { message: "`TraverseCoverageGraphWithLoops` missed some `BasicCoverageBlock`s: - 34| |[bcb6, bcb7, bcb9]" } - 35| | - 36| |*/ + 18| | + 19| 10| for i in 0..10 { + 20| 10| if true { + 21| 10| if false { + 22| | while true {} + 23| 10| } + 24| 10| write!(f, "error")?; + ^0 + 25| | } else { + 26| | } + 27| | } + 28| 1| Ok(()) + 29| 1| } + 30| |} + 31| | + 32| |struct DisplayTest; + 33| | + 34| |impl std::fmt::Display for DisplayTest { + 35| 1| fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { + 36| 1| if false { + 37| | } else { + 38| 1| if false { + 39| | while true {} + 40| 1| } + 41| 1| write!(f, "error")?; + ^0 + 42| | } + 43| 10| for i in 0..10 { + 44| 10| if false { + 45| | } else { + 46| 10| if false { + 47| | while true {} + 48| 10| } + 49| 10| write!(f, "error")?; + ^0 + 50| | } + 51| | } + 52| 1| Ok(()) + 53| 1| } + 54| |} + 55| | + 56| 1|fn main() { + 57| 1| let debug_test = DebugTest; + 58| 1| println!("{:?}", debug_test); + 59| 1| let display_test = DisplayTest; + 60| 1| println!("{}", display_test); + 61| 1|} diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.uses_crate.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.uses_crate.txt index 380869d62a8b..cdcbd8fca948 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.uses_crate.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.uses_crate.txt @@ -36,12 +36,12 @@ 22| 2| println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); 23| 2|} ------------------ - | used_crate::used_only_from_this_lib_crate_generic_function::>: + | used_crate::used_only_from_this_lib_crate_generic_function::<&str>: | 21| 1|pub fn used_only_from_this_lib_crate_generic_function(arg: T) { | 22| 1| println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); | 23| 1|} ------------------ - | used_crate::used_only_from_this_lib_crate_generic_function::<&str>: + | used_crate::used_only_from_this_lib_crate_generic_function::>: | 21| 1|pub fn used_only_from_this_lib_crate_generic_function(arg: T) { | 22| 1| println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); | 23| 1|} diff --git a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.uses_inline_crate.txt b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.uses_inline_crate.txt index 0853dc9c014e..cc98956e3073 100644 --- a/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.uses_inline_crate.txt +++ b/src/test/run-make-fulldeps/coverage-reports/expected_show_coverage.uses_inline_crate.txt @@ -30,29 +30,12 @@ ^0 29| 1| use_this_lib_crate(); 30| 1|} - ------------------ - | used_inline_crate::used_inline_function: - | 20| 1|pub fn used_inline_function() { - | 21| | // Initialize test constants in a way that cannot be determined at compile time, to ensure - | 22| | // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - | 23| | // dependent conditions. - | 24| 1| let is_true = std::env::args().len() == 1; - | 25| 1| let mut countdown = 0; - | 26| 1| if is_true { - | 27| 1| countdown = 10; - | 28| 1| } - | ^0 - | 29| 1| use_this_lib_crate(); - | 30| 1|} - ------------------ - | Unexecuted instantiation: used_inline_crate::used_inline_function - ------------------ - 31| |// Expect for above function: - 32| |// - 33| |// | Unexecuted instantiation: used_crate::used_only_from_bin_crate_generic_function::<_> - 34| |// - 35| |// With `#[inline(always)]` this function is instantiated twice, in both the library crate (which - 36| |// does not use it) and the `uses_inline_crate` binary (which does use/call it). + 31| | + 32| | + 33| | + 34| | + 35| | + 36| | 37| | 38| |#[inline(always)] 39| 2|pub fn used_only_from_bin_crate_generic_function(arg: T) { diff --git a/src/test/run-make-fulldeps/coverage-spanview/Makefile b/src/test/run-make-fulldeps/coverage-spanview/Makefile deleted file mode 100644 index b3d1009dbd09..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/Makefile +++ /dev/null @@ -1,92 +0,0 @@ -# needs-profiler-support -# min-llvm-version: 11.0 - --include ../coverage/coverage_tools.mk - -BASEDIR=../coverage-spanview -SOURCEDIR=../coverage - -define SPANVIEW_HEADER - - -endef -export SPANVIEW_HEADER - -all: $(patsubst $(SOURCEDIR)/lib/%.rs,%,$(wildcard $(SOURCEDIR)/lib/*.rs)) $(patsubst $(SOURCEDIR)/%.rs,%,$(wildcard $(SOURCEDIR)/*.rs)) - -# Ensure there are no `expected` results for tests that may have been removed or renamed -.PHONY: clear_expected_if_blessed -clear_expected_if_blessed: -ifdef RUSTC_BLESS_TEST - rm -rf expected_mir_dump.*/ -endif - --include clear_expected_if_blessed - -# FIXME(richkadel): The actions for these two types of targets (libraries and binaries) should be -# combined. - -%: $(SOURCEDIR)/lib/%.rs - # Compile the test library with coverage instrumentation - $(RUSTC) $(SOURCEDIR)/lib/$@.rs \ - $$( sed -n 's/^\/\/ compile-flags: \([^#]*\).*/\1/p' $(SOURCEDIR)/lib/$@.rs ) \ - --crate-type rlib \ - -Ztrim-diagnostic-paths=no \ - -Zdump-mir=InstrumentCoverage -Zdump-mir-spanview -Zdump-mir-dir="$(TMPDIR)"/mir_dump.$@ \ - -Zinstrument-coverage - - for path in "$(TMPDIR)"/mir_dump.$@/*; do \ - file="$$(basename "$$path")"; \ - urlescaped="$$("$(PYTHON)" $(BASEDIR)/escape_url.py $$file)" || exit $$?; \ - printf "$$SPANVIEW_HEADER\n" "$@" "$$urlescaped" > "$$path".modified; \ - tail -n +2 "$$path" >> "$$path".modified; \ - mv "$$path".modified "$$path"; \ - done && true # for/done ends in non-zero status - -ifdef RUSTC_BLESS_TEST - mkdir -p expected_mir_dump.$@ - cp "$(TMPDIR)"/mir_dump.$@/*InstrumentCoverage.0.html expected_mir_dump.$@/ -else - # Check that the selected `mir_dump` files match what we expect (`--bless` refreshes `expected`) - mkdir -p "$(TMPDIR)"/actual_mir_dump.$@ - rm -f "$(TMPDIR)"/actual_mir_dump.$@/* - cp "$(TMPDIR)"/mir_dump.$@/*InstrumentCoverage.0.html "$(TMPDIR)"/actual_mir_dump.$@/ - $(DIFF) -r expected_mir_dump.$@/ "$(TMPDIR)"/actual_mir_dump.$@/ -endif - -%: $(SOURCEDIR)/%.rs - # Compile the test program with coverage instrumentation - $(RUSTC) $(SOURCEDIR)/$@.rs \ - $$( sed -n 's/^\/\/ compile-flags: \([^#]*\).*/\1/p' $(SOURCEDIR)/$@.rs ) \ - -L "$(TMPDIR)" \ - -Ztrim-diagnostic-paths=no \ - -Zdump-mir=InstrumentCoverage -Zdump-mir-spanview -Zdump-mir-dir="$(TMPDIR)"/mir_dump.$@ \ - -Zinstrument-coverage - - for path in "$(TMPDIR)"/mir_dump.$@/*; do \ - file="$$(basename "$$path")"; \ - urlescaped="$$("$(PYTHON)" $(BASEDIR)/escape_url.py $$file)" || exit $$?; \ - printf "$$SPANVIEW_HEADER\n" "$@" "$$urlescaped" > "$$path".modified; \ - tail -n +2 "$$path" >> "$$path".modified; \ - mv "$$path".modified "$$path"; \ - done && true # for/done ends in non-zero status - -ifdef RUSTC_BLESS_TEST - mkdir -p expected_mir_dump.$@ - cp "$(TMPDIR)"/mir_dump.$@/*InstrumentCoverage.0.html expected_mir_dump.$@/ -else - # Check that the selected `mir_dump` files match what we expect (`--bless` refreshes `expected`) - mkdir -p "$(TMPDIR)"/actual_mir_dump.$@ - rm -f "$(TMPDIR)"/actual_mir_dump.$@/* - cp "$(TMPDIR)"/mir_dump.$@/*InstrumentCoverage.0.html "$(TMPDIR)"/actual_mir_dump.$@/ - $(DIFF) -r expected_mir_dump.$@/ "$(TMPDIR)"/actual_mir_dump.$@/ -endif diff --git a/src/test/run-make-fulldeps/coverage-spanview/escape_url.py b/src/test/run-make-fulldeps/coverage-spanview/escape_url.py deleted file mode 100644 index b725ed463030..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/escape_url.py +++ /dev/null @@ -1,12 +0,0 @@ -#!/usr/bin/env python - -import sys - -# Support python 2 or 3 -try: - from urllib.parse import quote -except ImportError: - from urllib import quote - -# Converts the input string into a valid URL parameter string. -print (quote(' '.join(sys.argv[1:]))) diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.abort/abort.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.abort/abort.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 176587af25be..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.abort/abort.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,106 +0,0 @@ - - - - -abort.main - Coverage Spans - - - -
@0⦊fn main() -> Result<(), u8> { - let mut countdown = 10⦉@0; - while @1,2⦊countdown > 0⦉@1,2 { - if @3,5⦊countdown < 5⦉@3,5 @6,8⦊{ - might_abort(false); - }⦉@6,8@7⦊‸⦉@7 - // See discussion (below the `Notes` section) on coverage results for the closing brace. - if @9⦊countdown < 5⦉@9 @10,12⦊{ might_abort(false); }⦉@10,12@11⦊‸⦉@11 // Counts for different regions on one line. - // For the following example, the closing brace is the last character on the line. - // This shows the character after the closing brace is highlighted, even if that next - // character is a newline. - if @13⦊countdown < 5⦉@13 @14,16⦊{ might_abort(false); }⦉@14,16@15⦊‸⦉@15 - @17,18⦊countdown -= 1⦉@17,18; - } - @4⦊Ok(()) -}⦉@4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.abort/abort.might_abort.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.abort/abort.might_abort.-------.InstrumentCoverage.0.html deleted file mode 100644 index a302b974ae1d..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.abort/abort.might_abort.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,163 +0,0 @@ - - - - -abort.might_abort - Coverage Spans - - - -
@0⦊fn might_abort(should_abort: bool) ⦉@0{ - if @0⦊should_abort⦉@0 { - @1,3,4⦊println!("aborting..."); - panic!("panics and aborts");⦉@1,3,4 - } else @2,5,6⦊{ - println!("Don't Panic"); - } -}⦉@2,5,6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.assert/assert.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.assert/assert.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 365e94cd31e5..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.assert/assert.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,102 +0,0 @@ - - - - -assert.main - Coverage Spans - - - -
@0⦊fn main() -> Result<(),u8> { - let mut countdown = 10⦉@0; - while @1,2⦊countdown > 0⦉@1,2 { - if @3,5⦊countdown == 1⦉@3,5 @6,8⦊{ - might_fail_assert(3); - }⦉@6,8 else if @7⦊countdown < 5⦉@7 @9,11⦊{ - might_fail_assert(2); - }⦉@9,11@10⦊‸⦉@10 - @13,14⦊countdown -= 1⦉@13,14; - } - @4⦊Ok(()) -}⦉@4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.assert/assert.might_fail_assert.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.assert/assert.might_fail_assert.-------.InstrumentCoverage.0.html deleted file mode 100644 index db72a5306ff7..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.assert/assert.might_fail_assert.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,97 +0,0 @@ - - - - -assert.might_fail_assert - Coverage Spans - - - -
@0,1,2,3,4⦊fn might_fail_assert(one_plus_one: u32) ⦉@0,1,2,3,4{ - @0,1,2,3,4⦊println!("does 1 + 1 = {}?", one_plus_one);⦉@0,1,2,3,4 - assert_eq!(@0,1,2,3,4⦊1 + 1⦉@0,1,2,3,4, one_plus_one, @5,7⦊"the argument was wrong"⦉@5,7); -}@6⦊‸⦉@6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.c-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.c-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 21bfce701fe6..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.c-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,82 +0,0 @@ - - - - -async.c-{closure#0} - Coverage Spans - - - -
@0⦊{ - if x == 8⦉@0 { - @1⦊1⦉@1 - } else { - @2⦊0⦉@2 - } -}@3⦊‸⦉@3
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.c.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.c.-------.InstrumentCoverage.0.html deleted file mode 100644 index 3eee0dd4100e..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.c.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,80 +0,0 @@ - - - - -async.c - Coverage Spans - - - -
@0,1⦊async fn c(x: u8) -> u8 ⦉@0,1{ - if x == 8 { - 1 - } else { - 0 - } -}
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.d-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.d-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 7cf34f077954..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.d-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,75 +0,0 @@ - - - - -async.d-{closure#0} - Coverage Spans - - - -
@0⦊‸⦉@0{ 1 }
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.d.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.d.-------.InstrumentCoverage.0.html deleted file mode 100644 index 5c7f6e00224a..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.d.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,74 +0,0 @@ - - - - -async.d - Coverage Spans - - - -
@0,1⦊async fn d() -> u8 ⦉@0,1{ 1 }
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.e-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.e-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 1f95a7d35af8..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.e-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,75 +0,0 @@ - - - - -async.e-{closure#0} - Coverage Spans - - - -
@0⦊‸⦉@0{ 1 }
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.e.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.e.-------.InstrumentCoverage.0.html deleted file mode 100644 index ee3b7b1d7ffc..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.e.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,74 +0,0 @@ - - - - -async.e - Coverage Spans - - - -
@0,1⦊async fn e() -> u8 ⦉@0,1{ 1 }
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 64fc1568b008..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,84 +0,0 @@ - - - - -async.executor-block_on-VTABLE-{closure#0} - Coverage Spans - - - -
@0,1,2,3⦊‸⦉@0,1,2,3$crate::panicking::panic_fmt($crate::format_args!($fmt, $($arg)+))
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#1}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#1}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 1bbcfa5744b6..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#1}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,84 +0,0 @@ - - - - -async.executor-block_on-VTABLE-{closure#1} - Coverage Spans - - - -
@0,1,2,3⦊‸⦉@0,1,2,3$crate::panicking::panic_fmt($crate::format_args!($fmt, $($arg)+))
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#2}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#2}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 14cb98d20c98..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#2}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,84 +0,0 @@ - - - - -async.executor-block_on-VTABLE-{closure#2} - Coverage Spans - - - -
@0,1,2,3⦊‸⦉@0,1,2,3$crate::panicking::panic_fmt($crate::format_args!($fmt, $($arg)+))
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#3}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#3}.-------.InstrumentCoverage.0.html deleted file mode 100644 index ef2fe7d06825..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on-VTABLE-{closure#3}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,75 +0,0 @@ - - - - -async.executor-block_on-VTABLE-{closure#3} - Coverage Spans - - - -
|_| @0⦊()⦉@0
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on.-------.InstrumentCoverage.0.html deleted file mode 100644 index 9a5bd6e42cd3..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.executor-block_on.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,239 +0,0 @@ - - - - -async.executor-block_on - Coverage Spans - - - -
@0,1,2,3,4,5⦊pub fn block_on<F: Future>(mut future: F) -> F::Output { - let mut future = unsafe { Pin::new_unchecked(&mut future) }; - - static VTABLE: RawWakerVTable = RawWakerVTable::new( - |_| unimplemented!("clone"), - |_| unimplemented!("wake"), - |_| unimplemented!("wake_by_ref"), - |_| (), - ); - let waker = unsafe { Waker::from_raw(RawWaker::new(core::ptr::null(), &VTABLE)) }; - let mut context = Context::from_waker(&waker)⦉@0,1,2,3,4,5; - - loop { - if let Poll::Ready(@10,12,14,15,16,17⦊val⦉@10,12,14,15,16,17) = @6,7,8,9⦊future.as_mut().poll(&mut context)⦉@6,7,8,9 { - break @10,12,14,15,16,17⦊val⦉@10,12,14,15,16,17; - }@11,13⦊‸⦉@11,13 - } - }@10,12,14,15,16,17⦊‸⦉@10,12,14,15,16,17
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.f-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.f-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 74b62673ac94..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.f-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,75 +0,0 @@ - - - - -async.f-{closure#0} - Coverage Spans - - - -
@0⦊‸⦉@0{ 1 }
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.f.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.f.-------.InstrumentCoverage.0.html deleted file mode 100644 index a31bca54df2e..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.f.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,74 +0,0 @@ - - - - -async.f - Coverage Spans - - - -
@0,1⦊async fn f() -> u8 ⦉@0,1{ 1 }
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.foo-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.foo-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index b8c53cccabda..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.foo-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,75 +0,0 @@ - - - - -async.foo-{closure#0} - Coverage Spans - - - -
@0⦊‸⦉@0{ [false; 10] }
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.foo.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.foo.-------.InstrumentCoverage.0.html deleted file mode 100644 index cf72a9d532c7..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.foo.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,74 +0,0 @@ - - - - -async.foo - Coverage Spans - - - -
@0,1⦊async fn foo() -> [bool; 10] ⦉@0,1{ [false; 10] }
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.g-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.g-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index b10012621b7d..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.g-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,82 +0,0 @@ - - - - -async.g-{closure#0} - Coverage Spans - - - -
@0,3,4⦊{ - match x⦉@0,3,4 { - @17⦊y⦉@17 if @0,3,4⦊e()⦉@0,3,4.await == @10,13,15,16⦊y⦉@10,13,15,16 => @17⦊()⦉@17, - @33⦊y⦉@33 if @1,19,20⦊f()⦉@1,19,20.await == @26,29,31,32⦊y⦉@26,29,31,32 => @33⦊()⦉@33, - _ => @2⦊()⦉@2, - } -}@35,36⦊‸⦉@35,36
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.g.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.g.-------.InstrumentCoverage.0.html deleted file mode 100644 index 973995477b9a..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.g.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,80 +0,0 @@ - - - - -async.g - Coverage Spans - - - -
@0,1⦊pub async fn g(x: u8) ⦉@0,1{ - match x { - y if e().await == y => (), - y if f().await == y => (), - _ => (), - } -}
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.h-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.h-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 6b4b43f83658..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.h-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,82 +0,0 @@ - - - - -async.h-{closure#0} - Coverage Spans - - - -
@0,2,3⦊{ // The function signature is counted when called, but the body is not - // executed (not awaited) so the open brace has a `0` count (at least when - // displayed with `llvm-cov show` in color-mode). - match x⦉@0,2,3 { - @17⦊y⦉@17 if @0,2,3⦊foo()⦉@0,2,3.await[@9,12,14,15,16⦊y⦉@9,12,14,15,16] => @17⦊()⦉@17, - _ => @1⦊()⦉@1, - } -}@19,20⦊‸⦉@19,20
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.h.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.h.-------.InstrumentCoverage.0.html deleted file mode 100644 index f2ea01281fe1..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.h.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,81 +0,0 @@ - - - - -async.h - Coverage Spans - - - -
@0,1⦊async fn h(x: usize) ⦉@0,1{ // The function signature is counted when called, but the body is not - // executed (not awaited) so the open brace has a `0` count (at least when - // displayed with `llvm-cov show` in color-mode). - match x { - y if foo().await[y] => (), - _ => (), - } -}
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.i-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.i-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 1c63875a8be9..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.i-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,89 +0,0 @@ - - - - -async.i-{closure#0} - Coverage Spans - - - -
@0,3,4⦊{ // line coverage is 1, but there are 2 regions: - // (a) the function signature, counted when the function is called; and - // (b) the open brace for the function body, counted once when the body is - // executed asynchronously. - match x⦉@0,3,4 { - @17,19⦊y⦉@17,19 if @0,3,4⦊c(x)⦉@0,3,4.await == @10,13,15,16⦊y + 1⦉@10,13,15,16 => { @17,19⦊d()⦉@17,19.await; } - @46⦊y⦉@46 if @1,32,33⦊f()⦉@1,32,33.await == @39,42,44,45⦊y + 1⦉@39,42,44,45 => @46⦊()⦉@46, - _ => @2⦊()⦉@2, - } -}@48,49⦊‸⦉@48,49
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.i.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.i.-------.InstrumentCoverage.0.html deleted file mode 100644 index e5dc6ecd4eb6..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.i.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,83 +0,0 @@ - - - - -async.i - Coverage Spans - - - -
@0,1⦊async fn i(x: u8) ⦉@0,1{ // line coverage is 1, but there are 2 regions: - // (a) the function signature, counted when the function is called; and - // (b) the open brace for the function body, counted once when the body is - // executed asynchronously. - match x { - y if c(x).await == y + 1 => { d().await; } - y if f().await == y + 1 => (), - _ => (), - } -}
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j-c.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j-c.-------.InstrumentCoverage.0.html deleted file mode 100644 index e6384b7598fc..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j-c.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,90 +0,0 @@ - - - - -async.j-c - Coverage Spans - - - -
@0⦊fn c(x: u8) -> u8 { - if x == 8⦉@0 { - @1⦊1⦉@1 // This line appears covered, but the 1-character expression span covering the `1` - // is not executed. (`llvm-cov show` displays a `^0` below the `1` ). This is because - // `fn j()` executes the open brace for the funciton body, followed by the function's - // first executable statement, `match x`. Inner function declarations are not - // "visible" to the MIR for `j()`, so the code region counts all lines between the - // open brace and the first statement as executed, which is, in a sense, true. - // `llvm-cov show` overcomes this kind of situation by showing the actual counts - // of the enclosed coverages, (that is, the `1` expression was not executed, and - // accurately displays a `0`). - } else { - @2⦊0⦉@2 - } - }@3⦊‸⦉@3
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j-d.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j-d.-------.InstrumentCoverage.0.html deleted file mode 100644 index 4eed8ee60dd6..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j-d.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,75 +0,0 @@ - - - - -async.j-d - Coverage Spans - - - -
@0⦊fn d() -> u8 { 1 }⦉@0
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j-f.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j-f.-------.InstrumentCoverage.0.html deleted file mode 100644 index 6e80c8c786ec..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j-f.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,75 +0,0 @@ - - - - -async.j-f - Coverage Spans - - - -
@0⦊fn f() -> u8 { 1 }⦉@0
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j.-------.InstrumentCoverage.0.html deleted file mode 100644 index 2b43c7bd25d9..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.j.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,106 +0,0 @@ - - - - -async.j - Coverage Spans - - - -
@0,3,4⦊fn j(x: u8) { - // non-async versions of `c()`, `d()`, and `f()` to make it similar to async `i()`. - fn c(x: u8) -> u8 { - if x == 8 { - 1 // This line appears covered, but the 1-character expression span covering the `1` - // is not executed. (`llvm-cov show` displays a `^0` below the `1` ). This is because - // `fn j()` executes the open brace for the funciton body, followed by the function's - // first executable statement, `match x`. Inner function declarations are not - // "visible" to the MIR for `j()`, so the code region counts all lines between the - // open brace and the first statement as executed, which is, in a sense, true. - // `llvm-cov show` overcomes this kind of situation by showing the actual counts - // of the enclosed coverages, (that is, the `1` expression was not executed, and - // accurately displays a `0`). - } else { - 0 - } - } - fn d() -> u8 { 1 } - fn f() -> u8 { 1 } - match x⦉@0,3,4 { - @5,7⦊y⦉@5,7 if @0,3,4⦊c(x) == y + 1⦉@0,3,4 => @5,7⦊{ d(); }⦉@5,7 - @10⦊y⦉@10 if @1,8,9⦊f() == y + 1⦉@1,8,9 => @10⦊()⦉@10, - _ => @2⦊()⦉@2, - } -}@12⦊‸⦉@12
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.k.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.k.-------.InstrumentCoverage.0.html deleted file mode 100644 index 5792521bb2c5..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.k.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,80 +0,0 @@ - - - - -async.k - Coverage Spans - - - -
@0⦊fn k(x: u8) { // unused function - match x⦉@0 { - 1 => @1,4⦊()⦉@1,4, - 2 => @2,5⦊()⦉@2,5, - _ => @3⦊()⦉@3, - } -}@6⦊‸⦉@6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.l.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.l.-------.InstrumentCoverage.0.html deleted file mode 100644 index cd92b88c24cb..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.l.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,80 +0,0 @@ - - - - -async.l - Coverage Spans - - - -
@0⦊fn l(x: u8) { - match x⦉@0 { - 1 => @1,4⦊()⦉@1,4, - 2 => @2,5⦊()⦉@2,5, - _ => @3⦊()⦉@3, - } -}@6⦊‸⦉@6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.m-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.m-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 5cec484a964d..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.m-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,78 +0,0 @@ - - - - -async.m-{closure#0} - Coverage Spans - - - -
@0⦊{ x - 1 }⦉@0
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.m.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.m.-------.InstrumentCoverage.0.html deleted file mode 100644 index 04412c1d9942..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.m.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,74 +0,0 @@ - - - - -async.m - Coverage Spans - - - -
@0,1⦊async fn m(x: u8) -> u8 ⦉@0,1{ x - 1 }
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index b892af0ed37d..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.async/async.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,190 +0,0 @@ - - - - -async.main - Coverage Spans - - - -
@0,1,2,3,4,5,6,7,8,9,10,11,12,13⦊fn main() { - let _ = g(10); - let _ = h(9); - let mut future = Box::pin(i(8)); - j(7); - l(6); - let _ = m(5); - executor::block_on(future.as_mut()); -}⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 3998295a0525..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,96 +0,0 @@ - - - - -closure.main-{closure#0} - Coverage Spans - - - -
|| - @0⦊{ - let mut countdown = 0; - if is_false⦉@0 @1⦊{ - countdown = 10; - }⦉@1@2⦊‸⦉@2 - @3,4⦊"alt string 2".to_owned() - }⦉@3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#10}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#10}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 3bdfe71b48c2..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#10}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,96 +0,0 @@ - - - - -closure.main-{closure#10} - Coverage Spans - - - -
|| - @0⦊{ - let mut countdown = 0; - if is_false⦉@0 @1⦊{ - countdown = 10; - }⦉@1@2⦊‸⦉@2 - @3,4⦊"alt string 1".to_owned() - }⦉@3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#11}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#11}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 4b3f04b5a0c7..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#11}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,96 +0,0 @@ - - - - -closure.main-{closure#11} - Coverage Spans - - - -
|| - @0⦊{ - let mut countdown = 0; - if is_false⦉@0 @1⦊{ - countdown = 10; - }⦉@1@2⦊‸⦉@2 - @3,4⦊"alt string 3".to_owned() - }⦉@3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#1}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#1}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 8ae494178f70..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#1}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,96 +0,0 @@ - - - - -closure.main-{closure#1} - Coverage Spans - - - -
|| - @0⦊{ - let mut countdown = 0; - if is_false⦉@0 @1⦊{ - countdown = 10; - }⦉@1@2⦊‸⦉@2 - @3,4⦊"alt string 4".to_owned() - }⦉@3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#2}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#2}.-------.InstrumentCoverage.0.html deleted file mode 100644 index ad40ba57d69b..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#2}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,128 +0,0 @@ - - - - -closure.main-{closure#2} - Coverage Spans - - - -
|val| - @0⦊{ - let mut countdown = 0; - if is_false⦉@0 @1⦊{ - countdown = 10; - }⦉@1@2⦊‸⦉@2 - @3,4,5,6,7⦊format!("'{}'", val) - }⦉@3,4,5,6,7
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#3}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#3}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 23101d76a8ef..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#3}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,91 +0,0 @@ - - - - -closure.main-{closure#3} - Coverage Spans - - - -
| - mut countdown - | - @0⦊{ - if is_false⦉@0 @1⦊{ - countdown = 10; - }⦉@1@2⦊‸⦉@2 - @3,4⦊"closure should be unused".to_owned() - }⦉@3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#4}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#4}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 420135e143db..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#4}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,76 +0,0 @@ - - - - -closure.main-{closure#4} - Coverage Spans - - - -
| _unused_arg: u8 | @0⦊countdown += 1⦉@0
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#5}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#5}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 1c19aa8eeefa..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#5}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,115 +0,0 @@ - - - - -closure.main-{closure#5} - Coverage Spans - - - -
@0,1,2⦊{ - $crate::io::_print($crate::format_args_nl!($($arg)*)); - }⦉@0,1,2
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#6}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#6}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 74c75c6c46ca..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#6}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,87 +0,0 @@ - - - - -closure.main-{closure#6} - Coverage Spans - - - -
| _unused_arg: u8 | @0,1,2⦊{ println!("not called") }⦉@0,1,2
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#7}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#7}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 386fb1b9e6f9..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#7}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,115 +0,0 @@ - - - - -closure.main-{closure#7} - Coverage Spans - - - -
| _unused_arg: u8 | @0,1,2⦊{ - println!("not called") - }⦉@0,1,2
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#8}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#8}.-------.InstrumentCoverage.0.html deleted file mode 100644 index f9da6ac9dfc3..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#8}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,89 +0,0 @@ - - - - -closure.main-{closure#8} - Coverage Spans - - - -
| - _unused_arg: u8 - | @0,1,2⦊{ println!("not called") }⦉@0,1,2
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#9}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#9}.-------.InstrumentCoverage.0.html deleted file mode 100644 index e259fc9bb67e..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main-{closure#9}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,89 +0,0 @@ - - - - -closure.main-{closure#9} - Coverage Spans - - - -
| - _unused_arg: u8 - | @0,1,2⦊{ println!("not called") }⦉@0,1,2
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index a7d1728114ec..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.closure/closure.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,10921 +0,0 @@ - - - - -closure.main - Coverage Spans - - - -
@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊fn main() { - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let is_true = std::env::args().len() == 1; - let is_false = ! is_true; - - let mut some_string = Some(String::from("the string content")); - println!( - "The string or alt: {}" - , - some_string - . - unwrap_or_else - ( - ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42|| - { - let mut countdown = 0; - if is_false { - countdown = 10; - } - "alt string 1".to_owned() - }@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊ - ) - ); - - some_string = Some(String::from("the string content")); - let - a - = - ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42|| - { - let mut countdown = 0; - if is_false { - countdown = 10; - } - "alt string 2".to_owned() - }@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊; - println!( - "The string or alt: {}" - , - some_string - . - unwrap_or_else - ( - a - ) - ); - - some_string = None; - println!( - "The string or alt: {}" - , - some_string - . - unwrap_or_else - ( - ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42|| - { - let mut countdown = 0; - if is_false { - countdown = 10; - } - "alt string 3".to_owned() - }@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊ - ) - ); - - some_string = None; - let - a - = - ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42|| - { - let mut countdown = 0; - if is_false { - countdown = 10; - } - "alt string 4".to_owned() - }@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊; - println!( - "The string or alt: {}" - , - some_string - . - unwrap_or_else - ( - a - ) - ); - - let - quote_closure - = - ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42|val| - { - let mut countdown = 0; - if is_false { - countdown = 10; - } - format!("'{}'", val) - }@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊; - println!( - "Repeated, quoted string: {:?}" - , - std::iter::repeat("repeat me") - .take(5) - .map - ( - quote_closure - ) - .collect::<Vec<_>>() - ); - - let - _unused_closure - = - ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42| - mut countdown - | - { - if is_false { - countdown = 10; - } - "closure should be unused".to_owned() - }@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊; - - let mut countdown = 10; - let _short_unused_closure = ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42| _unused_arg: u8 | countdown += 1@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊; - - // Macros can sometimes confuse the coverage results. Compare this next assignment, with an - // unused closure that invokes the `println!()` macro, with the closure assignment above, that - // does not use a macro. The closure above correctly shows `0` executions. - let _short_unused_closure = ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42| _unused_arg: u8 | println!("not called")@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊; - // The closure assignment above is executed, with a line count of `1`, but the `println!()` - // could not have been called, and yet, there is no indication that it wasn't... - - // ...but adding block braces gives the expected result, showing the block was not executed. - let _short_unused_closure_block = ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42| _unused_arg: u8 | { println!("not called") }@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊; - - let _shortish_unused_closure = ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42| _unused_arg: u8 | { - println!("not called") - }@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊; - - let _as_short_unused_closure = ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42| - _unused_arg: u8 - | { println!("not called") }@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊; - - let _almost_as_short_unused_closure = ⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42| - _unused_arg: u8 - | { println!("not called") }@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42⦊ - ; -}⦉@0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.conditions/conditions.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.conditions/conditions.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 0aa6fe65686c..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.conditions/conditions.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,307 +0,0 @@ - - - - -conditions.main - Coverage Spans - - - -
@0⦊fn main() ⦉@0{ - let @0⦊mut countdown = 0; - if true⦉@0 @1⦊{ - countdown = 10; - }⦉@1@2⦊‸⦉@2 - - const B: u32 = 100; - let @21⦊x⦉@21 = if @3⦊countdown > 7⦉@3 { - @4,6⦊countdown -= 4; - B⦉@4,6 - } else if @5⦊countdown > 2⦉@5 { - if @7⦊countdown < 1⦉@7 || @15⦊countdown > 5⦉@15 || @11⦊countdown != 9⦉@11 @17⦊{ - countdown = 0; - }⦉@17@18⦊‸⦉@18 - @19,20⦊countdown -= 5; - countdown⦉@19,20 - } else { - @8⦊return⦉@8; - }; - - let @21⦊mut countdown = 0; - if true⦉@21 @22⦊{ - countdown = 10; - }⦉@22@23⦊‸⦉@23 - - if @24⦊countdown > 7⦉@24 @25,27⦊{ - countdown -= 4; - }⦉@25,27 else if @26⦊countdown > 2⦉@26 { - if @28⦊countdown < 1⦉@28 || @36⦊countdown > 5⦉@36 || @32⦊countdown != 9⦉@32 @38⦊{ - countdown = 0; - }⦉@38@39⦊‸⦉@39 - @40,41⦊countdown -= 5⦉@40,41; - } else { - @29⦊return⦉@29; - } - - if @42⦊true⦉@42 { - let @43⦊mut countdown = 0; - if true⦉@43 @45⦊{ - countdown = 10; - }⦉@45@46⦊‸⦉@46 - - if @47⦊countdown > 7⦉@47 @48,50⦊{ - countdown -= 4; - }⦉@48,50 - else if @49⦊countdown > 2⦉@49 { - if @51⦊countdown < 1⦉@51 || @59⦊countdown > 5⦉@59 || @55⦊countdown != 9⦉@55 @61⦊{ - countdown = 0; - }⦉@61@62⦊‸⦉@62 - @63,64⦊countdown -= 5⦉@63,64; - } else { - @52⦊return⦉@52; - } - }@44⦊‸⦉@44 // Note: closing brace shows uncovered (vs. `0` for implicit else) because condition literal - // `true` was const-evaluated. The compiler knows the `if` block will be executed. - - let @66⦊mut countdown = 0; - if true⦉@66 @67⦊{ - countdown = 1; - }⦉@67@68⦊‸⦉@68 - - let @89⦊z⦉@89 = if @69⦊countdown > 7⦉@69 @70,72⦊{ - countdown -= 4; - }⦉@70,72 else if @71⦊countdown > 2⦉@71 { - if @73⦊countdown < 1⦉@73 || @81⦊countdown > 5⦉@81 || @77⦊countdown != 9⦉@77 @83⦊{ - countdown = 0; - }⦉@83@84⦊‸⦉@84 - @85,86⦊countdown -= 5⦉@85,86; - } else { - let @74,87,88⦊should_be_reachable = countdown; - println!("reached"); - return⦉@74,87,88; - }; - - let @107⦊w⦉@107 = if @89⦊countdown > 7⦉@89 @90,92⦊{ - countdown -= 4; - }⦉@90,92 else if @91⦊countdown > 2⦉@91 { - if @93⦊countdown < 1⦉@93 || @101⦊countdown > 5⦉@101 || @97⦊countdown != 9⦉@97 @103⦊{ - countdown = 0; - }⦉@103@104⦊‸⦉@104 - @105,106⦊countdown -= 5⦉@105,106; - } else { - @94⦊return⦉@94; - }; -}@111⦊‸⦉@111
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.dead_code/dead_code.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.dead_code/dead_code.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index be06ddd126da..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.dead_code/dead_code.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,143 +0,0 @@ - - - - -dead_code.main - Coverage Spans - - - -
@0,1,2,3⦊fn main() { - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let is_true = std::env::args().len() == 1; - - let mut countdown = 0; - if is_true⦉@0,1,2,3 @4⦊{ - countdown = 10; - }⦉@4@5⦊‸⦉@5 -}@6⦊‸⦉@6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.dead_code/dead_code.unused_fn.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.dead_code/dead_code.unused_fn.-------.InstrumentCoverage.0.html deleted file mode 100644 index 7f2d8d3c8ec1..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.dead_code/dead_code.unused_fn.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,143 +0,0 @@ - - - - -dead_code.unused_fn - Coverage Spans - - - -
@0,1,2,3⦊fn unused_fn() { - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let is_true = std::env::args().len() == 1; - - let mut countdown = 0; - if is_true⦉@0,1,2,3 @4⦊{ - countdown = 10; - }⦉@4@5⦊‸⦉@5 -}@6⦊‸⦉@6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.dead_code/dead_code.unused_pub_fn_not_in_library.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.dead_code/dead_code.unused_pub_fn_not_in_library.-------.InstrumentCoverage.0.html deleted file mode 100644 index be44f71348c1..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.dead_code/dead_code.unused_pub_fn_not_in_library.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,143 +0,0 @@ - - - - -dead_code.unused_pub_fn_not_in_library - Coverage Spans - - - -
@0,1,2,3⦊pub fn unused_pub_fn_not_in_library() { - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let is_true = std::env::args().len() == 1; - - let mut countdown = 0; - if is_true⦉@0,1,2,3 @4⦊{ - countdown = 10; - }⦉@4@5⦊‸⦉@5 -}@6⦊‸⦉@6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.doctest/doctest.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.doctest/doctest.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 95813decf9f6..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.doctest/doctest.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,96 +0,0 @@ - - - - -doctest.main - Coverage Spans - - - -
@0⦊fn main() ⦉@0{ - if @0⦊true⦉@0 { - @4⦊@3⦊assert_eq!(1, 1);⦉@3⦉@4 - } else { - @6⦊@5⦊assert_eq!(1, 2);⦉@5⦉@6 - } -}@7⦊‸⦉@7
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.doctest_crate/doctest_crate.fn_run_in_doctests.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.doctest_crate/doctest_crate.fn_run_in_doctests.-------.InstrumentCoverage.0.html deleted file mode 100644 index 3a41d3482b0b..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.doctest_crate/doctest_crate.fn_run_in_doctests.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,113 +0,0 @@ - - - - -doctest_crate.fn_run_in_doctests - Coverage Spans - - - -
@0⦊pub fn fn_run_in_doctests(conditional: usize) ⦉@0{ - match @0⦊conditional⦉@0 { - 1 => @7⦊@6⦊assert_eq!(1, 1)⦉@6⦉@7, // this is run, - 2 => @10⦊@9⦊assert_eq!(1, 1)⦉@9⦉@10, // this, - 3 => @13⦊@12⦊assert_eq!(1, 1)⦉@12⦉@13, // and this too - _ => @15⦊@14⦊assert_eq!(1, 2)⦉@14⦉@15, // however this is not - } -}@16⦊‸⦉@16
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.drop_trait/drop_trait.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.drop_trait/drop_trait.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 66a6e776a062..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.drop_trait/drop_trait.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,152 +0,0 @@ - - - - -drop_trait.main - Coverage Spans - - - -
@0⦊fn main() -> Result<(),u8> { - let _firecracker = Firework { strength: 1 }; - - let _tnt = Firework { strength: 100 }; - - if true⦉@0 { - @1,3,4,8,9⦊println!("Exiting with error..."); - return Err(1)⦉@1,3,4,8,9; - }@2,5,6,7⦊ - - let _ = Firework { strength: 1000 }; - - Ok(())⦉@2,5,6,7 -}@10⦊‸⦉@10
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.drop_trait/drop_trait.{impl#0}-drop.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.drop_trait/drop_trait.{impl#0}-drop.-------.InstrumentCoverage.0.html deleted file mode 100644 index 57d56c5cf736..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.drop_trait/drop_trait.{impl#0}-drop.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -drop_trait.{impl#0}-drop - Coverage Spans - - - -
@0,1,2,3⦊fn drop(&mut self) { - println!("BOOM times {}!!!", self.strength); - }⦉@0,1,2,3
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.generics/generics.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.generics/generics.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 098c14042516..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.generics/generics.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,237 +0,0 @@ - - - - -generics.main - Coverage Spans - - - -
@0,1,2,3⦊fn main() -> Result<(),u8> { - let mut firecracker = Firework { strength: 1 }; - firecracker.set_strength(2); - - let mut tnt = Firework { strength: 100.1 }; - tnt.set_strength(200.1); - tnt.set_strength(300.3); - - if true⦉@0,1,2,3 { - @4,6,7,11,12⦊println!("Exiting with error..."); - return Err(1)⦉@4,6,7,11,12; - }@5,8,9,10⦊ // The remaining lines below have no coverage because `if true` (with the constant literal - // `true`) is guaranteed to execute the `then` block, which is also guaranteed to `return`. - // Thankfully, in the normal case, conditions are not guaranteed ahead of time, and as shown - // in other tests, the lines below would have coverage (which would show they had `0` - // executions, assuming the condition still evaluated to `true`). - - let _ = Firework { strength: 1000 }; - - Ok(())⦉@5,8,9,10 -}@13⦊‸⦉@13
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.generics/generics.{impl#0}-set_strength.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.generics/generics.{impl#0}-set_strength.-------.InstrumentCoverage.0.html deleted file mode 100644 index 329641d47bdb..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.generics/generics.{impl#0}-set_strength.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,85 +0,0 @@ - - - - -generics.{impl#0}-set_strength - Coverage Spans - - - -
@0⦊fn set_strength(&mut self, new_strength: T) { - self.strength = new_strength; - }⦉@0
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.generics/generics.{impl#1}-drop.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.generics/generics.{impl#1}-drop.-------.InstrumentCoverage.0.html deleted file mode 100644 index 4908bc7b4a77..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.generics/generics.{impl#1}-drop.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -generics.{impl#1}-drop - Coverage Spans - - - -
@0,1,2,3⦊fn drop(&mut self) { - println!("BOOM times {}!!!", self.strength); - }⦉@0,1,2,3
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.if/if.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.if/if.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index d6eccf57846e..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.if/if.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,238 +0,0 @@ - - - - -if.main - Coverage Spans - - - -
@0,1,2,3⦊fn main() { - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let - is_true - = - std::env::args().len() - == - 1 - ; - let - mut - countdown - = - 0 - ; - if - is_true⦉@0,1,2,3 - @4⦊{ - countdown - = - 10 - ; - }⦉@4@5⦊‸⦉@5 -}@6⦊‸⦉@6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.if_else/if_else.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.if_else/if_else.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index e0f0ac402059..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.if_else/if_else.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,195 +0,0 @@ - - - - -if_else.main - Coverage Spans - - - -
@0,1,2,3⦊fn main() { - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let is_true = std::env::args().len() == 1; - - let mut countdown = 0; - if - is_true⦉@0,1,2,3 - @4⦊{ - countdown - = - 10 - ; - }⦉@4 - else // Note coverage region difference without semicolon - { - @5⦊countdown - = - 100⦉@5 - } - - if - @6⦊is_true⦉@6 - @7⦊{ - countdown - = - 10 - ; - }⦉@7 - else - @8⦊{ - countdown - = - 100 - ; - }⦉@8 -}@9⦊‸⦉@9
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.display.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.display.-------.InstrumentCoverage.0.html deleted file mode 100644 index 6287516636ea..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.display.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,161 +0,0 @@ - - - - -inline.display - Coverage Spans - - - -
@0,1⦊fn display<T: Display>(xs: &[T]) ⦉@0,1{ - for @6,8,9,10,11⦊x⦉@6,8,9,10,11 in @6,8,9,10,11⦊xs { - print!("{}", x); - }⦉@6,8,9,10,11 - @5,12,13⦊println!(); -}⦉@5,12,13
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.error.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.error.-------.InstrumentCoverage.0.html deleted file mode 100644 index bbf19c3e446f..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.error.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,79 +0,0 @@ - - - - -inline.error - Coverage Spans - - - -
@0,1⦊fn error() { - panic!("error"); -}⦉@0,1
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.length.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.length.-------.InstrumentCoverage.0.html deleted file mode 100644 index 8e8efb6d9f6b..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.length.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,82 +0,0 @@ - - - - -inline.length - Coverage Spans - - - -
@0,1⦊fn length<T>(xs: &[T]) -> usize { - xs.len() -}⦉@0,1
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 4ec2e9beede3..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,94 +0,0 @@ - - - - -inline.main - Coverage Spans - - - -
@0,1⦊fn main() { - permutations(&['a', 'b', 'c']); -}⦉@0,1
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.permutate.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.permutate.-------.InstrumentCoverage.0.html deleted file mode 100644 index fd72973ccd07..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.permutate.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,183 +0,0 @@ - - - - -inline.permutate - Coverage Spans - - - -
@0,1⦊fn permutate<T: Copy + Display>(xs: &mut [T], k: usize) { - let n = length(xs); - if k == n⦉@0,1 @2,4⦊{ - display(xs); - }⦉@2,4 else if @3⦊k < n⦉@3 { - for @12,14,15,16,17,18⦊i⦉@12,14,15,16,17,18 in @5,7⦊k..n⦉@5,7 @12,14,15,16,17,18⦊{ - swap(xs, i, k); - permutate(xs, k + 1); - swap(xs, i, k); - }⦉@12,14,15,16,17,18 - } else @6,19⦊{ - error(); - }⦉@6,19 -}@21⦊‸⦉@21
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.permutations.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.permutations.-------.InstrumentCoverage.0.html deleted file mode 100644 index 4bfd22f3cd90..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.permutations.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,113 +0,0 @@ - - - - -inline.permutations - Coverage Spans - - - -
@0,1,2,3,4⦊fn permutations<T: Copy + Display>(xs: &[T]) { - let mut ys = xs.to_owned(); - permutate(&mut ys, 0); -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.swap.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.swap.-------.InstrumentCoverage.0.html deleted file mode 100644 index 4c3f63093d30..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inline/inline.swap.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,173 +0,0 @@ - - - - -inline.swap - Coverage Spans - - - -
@0,1,2,3,4⦊fn swap<T: Copy>(xs: &mut [T], i: usize, j: usize) { - let t = xs[i]; - xs[i] = xs[j]; - xs[j] = t; -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main-InTrait-default_trait_func.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main-InTrait-default_trait_func.-------.InstrumentCoverage.0.html deleted file mode 100644 index 1dc5bb64e0bc..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main-InTrait-default_trait_func.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,93 +0,0 @@ - - - - -inner_items.main-InTrait-default_trait_func - Coverage Spans - - - -
@0,1,2⦊fn default_trait_func(&mut self) { - in_func(IN_CONST); - self.trait_func(IN_CONST); - }⦉@0,1,2
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main-in_func.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main-in_func.-------.InstrumentCoverage.0.html deleted file mode 100644 index 82724e5e8651..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main-in_func.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,203 +0,0 @@ - - - - -inner_items.main-in_func - Coverage Spans - - - -
@0,1,2,3,4⦊fn in_func(a: u32) { - let b = 1; - let c = a + b; - println!("c = {}", c) - }⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main-{impl#0}-trait_func.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main-{impl#0}-trait_func.-------.InstrumentCoverage.0.html deleted file mode 100644 index b00a781a0a74..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main-{impl#0}-trait_func.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,101 +0,0 @@ - - - - -inner_items.main-{impl#0}-trait_func - Coverage Spans - - - -
@0,1,2⦊fn trait_func(&mut self, incr: u32) { - self.in_struct_field += incr; - in_func(self.in_struct_field); - }⦉@0,1,2
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 4a1003dfbed3..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.inner_items/inner_items.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,189 +0,0 @@ - - - - -inner_items.main - Coverage Spans - - - -
@0,1,2,3⦊fn main() ⦉@0,1,2,3{ - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let @0,1,2,3⦊is_true = std::env::args().len() == 1; - - let mut countdown = 0; - if is_true⦉@0,1,2,3 @4⦊{ - countdown = 10; - }⦉@4@5⦊‸⦉@5 - - mod in_mod { - const IN_MOD_CONST: u32 = 1000; - } - - fn in_func(a: u32) { - let b = 1; - let c = a + b; - println!("c = {}", c) - } - - struct InStruct { - in_struct_field: u32, - } - - const IN_CONST: u32 = 1234; - - trait InTrait { - fn trait_func(&mut self, incr: u32); - - fn default_trait_func(&mut self) { - in_func(IN_CONST); - self.trait_func(IN_CONST); - } - } - - impl InTrait for InStruct { - fn trait_func(&mut self, incr: u32) { - self.in_struct_field += incr; - in_func(self.in_struct_field); - } - } - - type InType = String; - - if @6⦊is_true⦉@6 @7,9⦊{ - in_func(countdown); - }⦉@7,9@8⦊‸⦉@8 - - let @10,11⦊mut val = InStruct { - in_struct_field: 101, - }; - - val.default_trait_func(); -}⦉@10,11
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.lazy_boolean/lazy_boolean.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.lazy_boolean/lazy_boolean.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 358e2e2bbba3..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.lazy_boolean/lazy_boolean.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,259 +0,0 @@ - - - - -lazy_boolean.main - Coverage Spans - - - -
@0,1,2,3⦊fn main() { - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let is_true = std::env::args().len() == 1; - - let (mut a, mut b, mut c) = (0, 0, 0); - if is_true⦉@0,1,2,3 @4⦊{ - a = 1; - b = 10; - c = 100; - }⦉@4@5⦊‸⦉@5 - let - @10⦊somebool⦉@10 - = - @6⦊a < b⦉@6 - || - @9⦊b < c⦉@9 - ; - let - @14⦊somebool⦉@14 - = - @10⦊b < a⦉@10 - || - @13⦊b < c⦉@13 - ; - let @18⦊somebool⦉@18 = @14⦊a < b⦉@14 && @17⦊b < c⦉@17; - let @22⦊somebool⦉@22 = @18⦊b < a⦉@18 && @21⦊b < c⦉@21; - - if - @22⦊! - is_true⦉@22 - @23⦊{ - a = 2 - ; - }⦉@23@24⦊‸⦉@24 - - if - @25⦊is_true⦉@25 - @26⦊{ - b = 30 - ; - }⦉@26 - else - @27⦊{ - c = 400 - ; - }⦉@27 - - if @28⦊!is_true⦉@28 @29⦊{ - a = 2; - }⦉@29@30⦊‸⦉@30 - - if @31⦊is_true⦉@31 @32⦊{ - b = 30; - }⦉@32 else @33⦊{ - c = 400; - }⦉@33 -}@34⦊‸⦉@34
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.loop_break_value/loop_break_value.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.loop_break_value/loop_break_value.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 076d036c2aff..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.loop_break_value/loop_break_value.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,128 +0,0 @@ - - - - -loop_break_value.main - Coverage Spans - - - -
@0,1⦊fn main() { - let result - = - loop - { - break - 10 - ; - } - ; -}⦉@0,1
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.loops_branches/loops_branches.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.loops_branches/loops_branches.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 95e8f0b71eab..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.loops_branches/loops_branches.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,161 +0,0 @@ - - - - -loops_branches.main - Coverage Spans - - - -
@0,1,2,3⦊fn main() { - let debug_test = DebugTest; - println!("{:?}", debug_test); -}⦉@0,1,2,3
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.loops_branches/loops_branches.{impl#0}-fmt.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.loops_branches/loops_branches.{impl#0}-fmt.-------.InstrumentCoverage.0.html deleted file mode 100644 index f6f08b6a7704..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.loops_branches/loops_branches.{impl#0}-fmt.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,100 +0,0 @@ - - - - -loops_branches.{impl#0}-fmt - Coverage Spans - - - -
@0⦊fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { - if true⦉@0 { - if @1⦊false⦉@1 { - while @4,5⦊true⦉@4,5 @6,8⦊{ - }⦉@6,8 - }@3⦊‸⦉@3 - @9,10,11,12⦊write!(f, "error")⦉@9,10,11,12@14,16,17,18⦊?⦉@14,16,17,18; - } else @2⦊{ - }⦉@2 - @19⦊Ok(())⦉@19 - }@20⦊‸⦉@20
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.match_or_pattern/match_or_pattern.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.match_or_pattern/match_or_pattern.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 013c292ce9a4..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.match_or_pattern/match_or_pattern.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,259 +0,0 @@ - - - - -match_or_pattern.main - Coverage Spans - - - -
@0,1,2,3⦊fn main() { - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let is_true = std::env::args().len() == 1; - - let mut a: u8 = 0; - let mut b: u8 = 0; - if is_true⦉@0,1,2,3 @4⦊{ - a = 2; - b = 0; - }⦉@4@5⦊‸⦉@5 - match @6⦊(a, b)⦉@6 { - // Or patterns generate MIR `SwitchInt` with multiple targets to the same `BasicBlock`. - // This test confirms a fix for Issue #79569. - (0 | 1, 2 | 3) => @9,10⦊{}⦉@9,10 - _ => @7⦊{}⦉@7 - } - if @11⦊is_true⦉@11 @12⦊{ - a = 0; - b = 0; - }⦉@12@13⦊‸⦉@13 - match @14⦊(a, b)⦉@14 { - (0 | 1, 2 | 3) => @17,18⦊{}⦉@17,18 - _ => @15⦊{}⦉@15 - } - if @19⦊is_true⦉@19 @20⦊{ - a = 2; - b = 2; - }⦉@20@21⦊‸⦉@21 - match @22⦊(a, b)⦉@22 { - (0 | 1, 2 | 3) => @25,26⦊{}⦉@25,26 - _ => @23⦊{}⦉@23 - } - if @27⦊is_true⦉@27 @28⦊{ - a = 0; - b = 2; - }⦉@28@29⦊‸⦉@29 - match @30⦊(a, b)⦉@30 { - (0 | 1, 2 | 3) => @33,34⦊{}⦉@33,34 - _ => @31⦊{}⦉@31 - } -}@35⦊‸⦉@35
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.nested_loops/nested_loops.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.nested_loops/nested_loops.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 1abc24156d9c..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.nested_loops/nested_loops.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,166 +0,0 @@ - - - - -nested_loops.main - Coverage Spans - - - -
@0,1,2,3⦊fn main() { - let is_true = std::env::args().len() == 1; - let mut countdown = 10⦉@0,1,2,3; - - 'outer: while @4,5⦊countdown > 0⦉@4,5 { - let @6,8,9⦊mut a = 100; - let mut b = 100⦉@6,8,9; - for @14,16⦊_⦉@14,16 in @10,11,12⦊0..50⦉@10,11,12 { - if @14,16⦊a < 30⦉@14,16 { - @17⦊break⦉@17; - }@18,19,20⦊ - a -= 5; - b -= 5; - if b < 90⦉@18,19,20 { - @21,23⦊a -= 10; - if is_true⦉@21,23 { - @24⦊break 'outer⦉@24; - } else @25,26⦊{ - a -= 2; - }⦉@25,26 - }@22⦊‸⦉@22 - } - @28,29⦊countdown -= 1⦉@28,29; - } -}@30⦊‸⦉@30
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.overflow/overflow.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.overflow/overflow.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 2a9b1b10efcd..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.overflow/overflow.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,258 +0,0 @@ - - - - -overflow.main - Coverage Spans - - - -
@0⦊fn main() -> Result<(),u8> { - let mut countdown = 10⦉@0; - while @1,2⦊countdown > 0⦉@1,2 { - if @3,5⦊countdown == 1⦉@3,5 @6,8,9,10,11⦊{ - let result = might_overflow(10); - println!("Result: {}", result); - }⦉@6,8,9,10,11 else if @7⦊countdown < 5⦉@7 @12,14,15,16,17⦊{ - let result = might_overflow(1); - println!("Result: {}", result); - }⦉@12,14,15,16,17@13⦊‸⦉@13 - @19,20⦊countdown -= 1⦉@19,20; - } - @4⦊Ok(()) -}⦉@4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.overflow/overflow.might_overflow.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.overflow/overflow.might_overflow.-------.InstrumentCoverage.0.html deleted file mode 100644 index c6043f0bd07f..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.overflow/overflow.might_overflow.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,394 +0,0 @@ - - - - -overflow.might_overflow - Coverage Spans - - - -
@0⦊fn might_overflow(to_add: u32) -> u32 { - if to_add > 5⦉@0 @1,3,4⦊{ - println!("this will probably overflow"); - }⦉@1,3,4@2⦊‸⦉@2 - let @5,6,7,8,9,10,11,12,13⦊add_to = u32::MAX - 5; - println!("does {} + {} overflow?", add_to, to_add); - let result = to_add + add_to; - println!("continuing after overflow check"); - result -}⦉@5,6,7,8,9,10,11,12,13
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.panic_unwind/panic_unwind.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.panic_unwind/panic_unwind.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 5b097f118e3a..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.panic_unwind/panic_unwind.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,102 +0,0 @@ - - - - -panic_unwind.main - Coverage Spans - - - -
@0⦊fn main() -> Result<(), u8> { - let mut countdown = 10⦉@0; - while @1,2⦊countdown > 0⦉@1,2 { - if @3,5⦊countdown == 1⦉@3,5 @6,8⦊{ - might_panic(true); - }⦉@6,8 else if @7⦊countdown < 5⦉@7 @9,11⦊{ - might_panic(false); - }⦉@9,11@10⦊‸⦉@10 - @13,14⦊countdown -= 1⦉@13,14; - } - @4⦊Ok(()) -}⦉@4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.panic_unwind/panic_unwind.might_panic.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.panic_unwind/panic_unwind.might_panic.-------.InstrumentCoverage.0.html deleted file mode 100644 index 32988629ba0e..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.panic_unwind/panic_unwind.might_panic.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,163 +0,0 @@ - - - - -panic_unwind.might_panic - Coverage Spans - - - -
@0⦊fn might_panic(should_panic: bool) ⦉@0{ - if @0⦊should_panic⦉@0 { - @1,3,4⦊println!("panicking..."); - panic!("panics");⦉@1,3,4 - } else @2,5,6⦊{ - println!("Don't Panic"); - } -}⦉@2,5,6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 3e307c4f460d..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,295 +0,0 @@ - - - - -partial_eq.main - Coverage Spans - - - -
@0,1,2,3,4,5,6,7,8⦊fn main() { - let version_3_2_1 = Version::new(3, 2, 1); - let version_3_3_0 = Version::new(3, 3, 0); - - println!("{:?} < {:?} = {}", version_3_2_1, version_3_3_0, version_3_2_1 < version_3_3_0); -}⦉@0,1,2,3,4,5,6,7,8
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#0}-new.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#0}-new.-------.InstrumentCoverage.0.html deleted file mode 100644 index 820ccf74d1b9..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#0}-new.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,108 +0,0 @@ - - - - -partial_eq.{impl#0}-new - Coverage Spans - - - -
@0⦊pub fn new(major: usize, minor: usize, patch: usize) -> Self { - Self { - major, - minor, - patch, - } - }⦉@0
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#1}-cmp.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#1}-cmp.-------.InstrumentCoverage.0.html deleted file mode 100644 index ee4c10afd8b8..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#1}-cmp.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,74 +0,0 @@ - - - - -partial_eq.{impl#1}-cmp - Coverage Spans - - - -
@0,1⦊‸⦉@0,1Ord@15⦊‸⦉@15
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#2}-partial_cmp.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#2}-partial_cmp.-------.InstrumentCoverage.0.html deleted file mode 100644 index 2f5092bd51f0..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#2}-partial_cmp.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,74 +0,0 @@ - - - - -partial_eq.{impl#2}-partial_cmp - Coverage Spans - - - -
@0,1⦊‸⦉@0,1PartialOrd@18⦊‸⦉@18
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#4}-assert_receiver_is_total_eq.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#4}-assert_receiver_is_total_eq.-------.InstrumentCoverage.0.html deleted file mode 100644 index ebb8b1c15ce0..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#4}-assert_receiver_is_total_eq.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,75 +0,0 @@ - - - - -partial_eq.{impl#4}-assert_receiver_is_total_eq - Coverage Spans - - - -
@0⦊‸⦉@0Eq
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#6}-eq.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#6}-eq.-------.InstrumentCoverage.0.html deleted file mode 100644 index 2e128181c5e4..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#6}-eq.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,74 +0,0 @@ - - - - -partial_eq.{impl#6}-eq - Coverage Spans - - - -
@0⦊‸⦉@0PartialEq@4⦊‸⦉@4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#6}-ne.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#6}-ne.-------.InstrumentCoverage.0.html deleted file mode 100644 index 637b1c62086c..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#6}-ne.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,74 +0,0 @@ - - - - -partial_eq.{impl#6}-ne - Coverage Spans - - - -
@0⦊‸⦉@0PartialEq@4⦊‸⦉@4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#7}-fmt.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#7}-fmt.-------.InstrumentCoverage.0.html deleted file mode 100644 index 930492f24841..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#7}-fmt.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,110 +0,0 @@ - - - - -partial_eq.{impl#7}-fmt - Coverage Spans - - - -
@0,1,2,3,4,5⦊Debug⦉@0,1,2,3,4,5
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#8}-clone.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#8}-clone.-------.InstrumentCoverage.0.html deleted file mode 100644 index f1c983933432..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.partial_eq/partial_eq.{impl#8}-clone.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,88 +0,0 @@ - - - - -partial_eq.{impl#8}-clone - Coverage Spans - - - -
@0,1,2,3⦊Clone⦉@0,1,2,3
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.simple_loop/simple_loop.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.simple_loop/simple_loop.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 6b911eea3412..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.simple_loop/simple_loop.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,193 +0,0 @@ - - - - -simple_loop.main - Coverage Spans - - - -
@0,1,2,3⦊fn main() { - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let is_true = std::env::args().len() == 1; - - let mut countdown = 0; - - if - is_true⦉@0,1,2,3 - @4⦊{ - countdown - = - 10 - ; - }⦉@4@5⦊‸⦉@5 - - loop - { - if - @7,8⦊countdown - == - 0⦉@7,8 - { - @9⦊break⦉@9 - ; - }@10,11⦊ - countdown - -= - 1⦉@10,11 - ; - } -}@9⦊‸⦉@9
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.simple_match/simple_match.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.simple_match/simple_match.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index a56692d9c2a4..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.simple_match/simple_match.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,222 +0,0 @@ - - - - -simple_match.main - Coverage Spans - - - -
@0,1,2,3⦊fn main() { - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let is_true = std::env::args().len() == 1; - - let mut countdown = 1; - if is_true⦉@0,1,2,3 @4⦊{ - countdown = 0; - }⦉@4@5⦊‸⦉@5 - - for - @12,14,16⦊_⦉@12,14,16 - in - @8,9,10⦊0..2⦉@8,9,10 - { - let z - ; - match - @12,14,16⦊countdown⦉@12,14,16 - { - @17⦊x⦉@17 - if - @12,14,16⦊x - < - 1⦉@12,14,16 - => - @17⦊{ - z = countdown - ; - let y = countdown - ; - countdown = 10 - ; - }⦉@17 - _ - => - @15⦊{}⦉@15 - } - } -}@11⦊‸⦉@11
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.tight_inf_loop/tight_inf_loop.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.tight_inf_loop/tight_inf_loop.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 8cbd265c6a01..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.tight_inf_loop/tight_inf_loop.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,81 +0,0 @@ - - - - -tight_inf_loop.main - Coverage Spans - - - -
@0⦊fn main() { - if false⦉@0 { - @3,4⦊loop {}⦉@3,4 - }@2⦊ -}⦉@2
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.try_error_result/try_error_result.call.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.try_error_result/try_error_result.call.-------.InstrumentCoverage.0.html deleted file mode 100644 index a8a3139334c9..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.try_error_result/try_error_result.call.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,82 +0,0 @@ - - - - -try_error_result.call - Coverage Spans - - - -
@0⦊fn call(return_error: bool) -> Result<(),()> { - if return_error⦉@0 { - @1⦊Err(())⦉@1 - } else { - @2⦊Ok(())⦉@2 - } -}@3⦊‸⦉@3
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.try_error_result/try_error_result.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.try_error_result/try_error_result.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 5b0c5cb072f0..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.try_error_result/try_error_result.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,129 +0,0 @@ - - - - -try_error_result.main - Coverage Spans - - - -
@0,1⦊fn main() -> Result<(),()> { - let mut - countdown = 10⦉@0,1 - ; - for - @6,8,9⦊_⦉@6,8,9 - in - @2,3,4⦊0..10⦉@2,3,4 - { - @6,8,9⦊countdown - -= 1 - ; - if - countdown < 5⦉@6,8,9 - { - @10,12,13⦊call(/*return_error=*/ true)⦉@10,12,13@15,17,18,19⦊?⦉@15,17,18,19; - @14,20,21⦊call(/*return_error=*/ false)⦉@14,20,21@23,25,26,27⦊?⦉@23,25,26,27; - } - else - { - @11,28,29⦊call(/*return_error=*/ false)⦉@11,28,29@31,33,34,35⦊?⦉@31,33,34,35; - } - } - @5⦊Ok(())⦉@5 -}@38⦊‸⦉@38
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.foo.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.foo.-------.InstrumentCoverage.0.html deleted file mode 100644 index 45fec46f55ca..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.foo.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,87 +0,0 @@ - - - - -unused.foo - Coverage Spans - - - -
@0⦊fn foo<T>(x: T) { - let mut i = 0⦉@0; - while @1,2⦊i < 10⦉@1,2 { - @3,5⦊i != 0⦉@3,5 || @8⦊i != 0⦉@8; - @9,10⦊i += 1⦉@9,10; - } -}@4,11⦊‸⦉@4,11
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 864f6c4feb15..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,98 +0,0 @@ - - - - -unused.main - Coverage Spans - - - -
@0,1,2⦊fn main() -> Result<(), u8> { - foo::<u32>(0); - foo::<f32>(0.0); - Ok(()) -}⦉@0,1,2
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_func.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_func.-------.InstrumentCoverage.0.html deleted file mode 100644 index 52beea080232..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_func.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,86 +0,0 @@ - - - - -unused.unused_func - Coverage Spans - - - -
@0⦊fn unused_func(mut a: u32) { - if a != 0⦉@0 @1,3⦊{ - a += 1; - }⦉@1,3@2⦊‸⦉@2 -}@4⦊‸⦉@4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_func2.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_func2.-------.InstrumentCoverage.0.html deleted file mode 100644 index 816ef73ea6b0..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_func2.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,86 +0,0 @@ - - - - -unused.unused_func2 - Coverage Spans - - - -
@0⦊fn unused_func2(mut a: u32) { - if a != 0⦉@0 @1,3⦊{ - a += 1; - }⦉@1,3@2⦊‸⦉@2 -}@4⦊‸⦉@4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_func3.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_func3.-------.InstrumentCoverage.0.html deleted file mode 100644 index 739f9f42db35..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_func3.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,86 +0,0 @@ - - - - -unused.unused_func3 - Coverage Spans - - - -
@0⦊fn unused_func3(mut a: u32) { - if a != 0⦉@0 @1,3⦊{ - a += 1; - }⦉@1,3@2⦊‸⦉@2 -}@4⦊‸⦉@4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_template_func.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_template_func.-------.InstrumentCoverage.0.html deleted file mode 100644 index 9b32bcb47f6e..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.unused/unused.unused_template_func.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,87 +0,0 @@ - - - - -unused.unused_template_func - Coverage Spans - - - -
@0⦊fn unused_template_func<T>(x: T) { - let mut i = 0⦉@0; - while @1,2⦊i < 10⦉@1,2 { - @3,5⦊i != 0⦉@3,5 || @8⦊i != 0⦉@8; - @9,10⦊i += 1⦉@9,10; - } -}@4,11⦊‸⦉@4,11
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.unused_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.unused_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index 65e21ecef13b..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.unused_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,115 +0,0 @@ - - - - -used_crate.unused_function - Coverage Spans - - - -
@0,1,2,3⦊pub fn unused_function() { - let is_true = std::env::args().len() == 1; - let mut countdown = 2; - if !is_true⦉@0,1,2,3 @4⦊{ - countdown = 20; - }⦉@4@5⦊‸⦉@5 -}@6⦊‸⦉@6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.unused_generic_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.unused_generic_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index 02154a2268b7..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.unused_generic_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -used_crate.unused_generic_function - Coverage Spans - - - -
@0,1,2,3,4⦊pub fn unused_generic_function<T: Debug>(arg: T) { - println!("unused_generic_function with {:?}", arg); -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.unused_private_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.unused_private_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index 78228594e375..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.unused_private_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,115 +0,0 @@ - - - - -used_crate.unused_private_function - Coverage Spans - - - -
@0,1,2,3⦊fn unused_private_function() { - let is_true = std::env::args().len() == 1; - let mut countdown = 2; - if !is_true⦉@0,1,2,3 @4⦊{ - countdown = 20; - }⦉@4@5⦊‸⦉@5 -}@6⦊‸⦉@6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.use_this_lib_crate.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.use_this_lib_crate.-------.InstrumentCoverage.0.html deleted file mode 100644 index 8f618d2e2495..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.use_this_lib_crate.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,190 +0,0 @@ - - - - -used_crate.use_this_lib_crate - Coverage Spans - - - -
@0,1,2,3,4,5,6,7,8⦊fn use_this_lib_crate() { - used_from_bin_crate_and_lib_crate_generic_function("used from library used_crate.rs"); - used_with_same_type_from_bin_crate_and_lib_crate_generic_function( - "used from library used_crate.rs", - ); - let some_vec = vec![5, 6, 7, 8]; - used_only_from_this_lib_crate_generic_function(some_vec); - used_only_from_this_lib_crate_generic_function("used ONLY from library used_crate.rs"); -}⦉@0,1,2,3,4,5,6,7,8
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index 61a709c4729f..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -used_crate.used_from_bin_crate_and_lib_crate_generic_function - Coverage Spans - - - -
@0,1,2,3,4⦊pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) { - println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index 974a24b2c6d4..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,110 +0,0 @@ - - - - -used_crate.used_function - Coverage Spans - - - -
@0,1,2,3⦊pub fn used_function() ⦉@0,1,2,3{ - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let @0,1,2,3⦊is_true = std::env::args().len() == 1; - let mut countdown = 0; - if is_true⦉@0,1,2,3 @4⦊{ - countdown = 10; - }⦉@4@5⦊‸⦉@5 - @6,7⦊use_this_lib_crate(); -}⦉@6,7
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_only_from_bin_crate_generic_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_only_from_bin_crate_generic_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index 68035339fe4a..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_only_from_bin_crate_generic_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -used_crate.used_only_from_bin_crate_generic_function - Coverage Spans - - - -
@0,1,2,3,4⦊pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) { - println!("used_only_from_bin_crate_generic_function with {:?}", arg); -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_only_from_this_lib_crate_generic_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_only_from_this_lib_crate_generic_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index 63944eb9ab38..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_only_from_this_lib_crate_generic_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -used_crate.used_only_from_this_lib_crate_generic_function - Coverage Spans - - - -
@0,1,2,3,4⦊pub fn used_only_from_this_lib_crate_generic_function<T: Debug>(arg: T) { - println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_with_same_type_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_with_same_type_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index b146180fbd15..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_crate/used_crate.used_with_same_type_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -used_crate.used_with_same_type_from_bin_crate_and_lib_crate_generic_function - Coverage Spans - - - -
@0,1,2,3,4⦊pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) { - println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.unused_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.unused_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index 322eaf07677f..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.unused_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,115 +0,0 @@ - - - - -used_inline_crate.unused_function - Coverage Spans - - - -
@0,1,2,3⦊pub fn unused_function() { - let is_true = std::env::args().len() == 1; - let mut countdown = 2; - if !is_true⦉@0,1,2,3 @4⦊{ - countdown = 20; - }⦉@4@5⦊‸⦉@5 -}@6⦊‸⦉@6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.unused_generic_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.unused_generic_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index 9e3052ccac15..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.unused_generic_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -used_inline_crate.unused_generic_function - Coverage Spans - - - -
@0,1,2,3,4⦊pub fn unused_generic_function<T: Debug>(arg: T) { - println!("unused_generic_function with {:?}", arg); -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.unused_private_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.unused_private_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index e9c381db9402..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.unused_private_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,115 +0,0 @@ - - - - -used_inline_crate.unused_private_function - Coverage Spans - - - -
@0,1,2,3⦊fn unused_private_function() { - let is_true = std::env::args().len() == 1; - let mut countdown = 2; - if !is_true⦉@0,1,2,3 @4⦊{ - countdown = 20; - }⦉@4@5⦊‸⦉@5 -}@6⦊‸⦉@6
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.use_this_lib_crate.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.use_this_lib_crate.-------.InstrumentCoverage.0.html deleted file mode 100644 index 056f618a403c..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.use_this_lib_crate.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,190 +0,0 @@ - - - - -used_inline_crate.use_this_lib_crate - Coverage Spans - - - -
@0,1,2,3,4,5,6,7,8⦊fn use_this_lib_crate() { - used_from_bin_crate_and_lib_crate_generic_function("used from library used_crate.rs"); - used_with_same_type_from_bin_crate_and_lib_crate_generic_function( - "used from library used_crate.rs", - ); - let some_vec = vec![5, 6, 7, 8]; - used_only_from_this_lib_crate_generic_function(some_vec); - used_only_from_this_lib_crate_generic_function("used ONLY from library used_crate.rs"); -}⦉@0,1,2,3,4,5,6,7,8
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index 0d88b0bc60e3..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -used_inline_crate.used_from_bin_crate_and_lib_crate_generic_function - Coverage Spans - - - -
@0,1,2,3,4⦊pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) { - println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index d722d9f46ecf..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,110 +0,0 @@ - - - - -used_inline_crate.used_function - Coverage Spans - - - -
@0,1,2,3⦊pub fn used_function() ⦉@0,1,2,3{ - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let @0,1,2,3⦊is_true = std::env::args().len() == 1; - let mut countdown = 0; - if is_true⦉@0,1,2,3 @4⦊{ - countdown = 10; - }⦉@4@5⦊‸⦉@5 - @6,7⦊use_this_lib_crate(); -}⦉@6,7
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_inline_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_inline_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index a15c31bb13fd..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_inline_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,110 +0,0 @@ - - - - -used_inline_crate.used_inline_function - Coverage Spans - - - -
@0,1,2,3⦊pub fn used_inline_function() ⦉@0,1,2,3{ - // Initialize test constants in a way that cannot be determined at compile time, to ensure - // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from - // dependent conditions. - let @0,1,2,3⦊is_true = std::env::args().len() == 1; - let mut countdown = 0; - if is_true⦉@0,1,2,3 @4⦊{ - countdown = 10; - }⦉@4@5⦊‸⦉@5 - @6,7⦊use_this_lib_crate(); -}⦉@6,7
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_only_from_bin_crate_generic_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_only_from_bin_crate_generic_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index 252ff76d4169..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_only_from_bin_crate_generic_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -used_inline_crate.used_only_from_bin_crate_generic_function - Coverage Spans - - - -
@0,1,2,3,4⦊pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) { - println!("used_only_from_bin_crate_generic_function with {:?}", arg); -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_only_from_this_lib_crate_generic_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_only_from_this_lib_crate_generic_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index f8fb4990ad9a..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_only_from_this_lib_crate_generic_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -used_inline_crate.used_only_from_this_lib_crate_generic_function - Coverage Spans - - - -
@0,1,2,3,4⦊pub fn used_only_from_this_lib_crate_generic_function<T: Debug>(arg: T) { - println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_with_same_type_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_with_same_type_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html deleted file mode 100644 index db5e24d9b1dd..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.used_inline_crate/used_inline_crate.used_with_same_type_from_bin_crate_and_lib_crate_generic_function.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,133 +0,0 @@ - - - - -used_inline_crate.used_with_same_type_from_bin_crate_and_lib_crate_generic_function - Coverage Spans - - - -
@0,1,2,3,4⦊pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) { - println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); -}⦉@0,1,2,3,4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.uses_crate/uses_crate.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.uses_crate/uses_crate.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 28cf051ecf87..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.uses_crate/uses_crate.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,193 +0,0 @@ - - - - -uses_crate.main - Coverage Spans - - - -
@0,1,2,3,4,5,6,7,8,9⦊fn main() { - used_crate::used_function(); - let some_vec = vec![1, 2, 3, 4]; - used_crate::used_only_from_bin_crate_generic_function(&some_vec); - used_crate::used_only_from_bin_crate_generic_function("used from bin uses_crate.rs"); - used_crate::used_from_bin_crate_and_lib_crate_generic_function(some_vec); - used_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function("interesting?"); -}⦉@0,1,2,3,4,5,6,7,8,9
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.uses_inline_crate/uses_inline_crate.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.uses_inline_crate/uses_inline_crate.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 179940f6bd5b..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.uses_inline_crate/uses_inline_crate.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,249 +0,0 @@ - - - - -uses_inline_crate.main - Coverage Spans - - - -
@0,1,2,3,4,5,6,7,8,9,10⦊fn main() { - used_inline_crate::used_function(); - used_inline_crate::used_inline_function(); - let some_vec = vec![1, 2, 3, 4]; - used_inline_crate::used_only_from_bin_crate_generic_function(&some_vec); - used_inline_crate::used_only_from_bin_crate_generic_function("used from bin uses_crate.rs"); - used_inline_crate::used_from_bin_crate_and_lib_crate_generic_function(some_vec); - used_inline_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function( - "interesting?", - ); -}⦉@0,1,2,3,4,5,6,7,8,9,10
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.while/while.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.while/while.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index f037a8ee5c52..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.while/while.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,82 +0,0 @@ - - - - -while.main - Coverage Spans - - - -
@0⦊fn main() { - let num = 9⦉@0; - while @1,2⦊num >= 10⦉@1,2 @3,5⦊{ - }⦉@3,5 -}@4⦊‸⦉@4
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.while_early_ret/while_early_ret.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.while_early_ret/while_early_ret.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index fcb5418e1d0c..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.while_early_ret/while_early_ret.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,130 +0,0 @@ - - - - -while_early_ret.main - Coverage Spans - - - -
@0⦊fn main() -> Result<(),u8> { - let mut countdown = 10⦉@0; - while - @1,2⦊countdown - > - 0⦉@1,2 - { - if - @3,5⦊countdown - < - 5⦉@3,5 - { - return - if - @6⦊countdown - > - 8⦉@6 - { - @8⦊Ok(())⦉@8 - } - else - { - @9⦊Err(1)⦉@9 - } - ; - }@7,11⦊ - countdown - -= - 1⦉@7,11 - ; - } - @4⦊Ok(())⦉@4 -}@12⦊‸⦉@12
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.yield/yield.main-{closure#0}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.yield/yield.main-{closure#0}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 1e68c345f849..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.yield/yield.main-{closure#0}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,79 +0,0 @@ - - - - -yield.main-{closure#0} - Coverage Spans - - - -
|| @0⦊{ - yield 1⦉@0; - return @1⦊"foo" - }⦉@1
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.yield/yield.main-{closure#1}.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.yield/yield.main-{closure#1}.-------.InstrumentCoverage.0.html deleted file mode 100644 index 842d7823bfd1..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.yield/yield.main-{closure#1}.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,81 +0,0 @@ - - - - -yield.main-{closure#1} - Coverage Spans - - - -
|| @0⦊{ - yield 1⦉@0; - @1⦊yield 2⦉@1; - @2⦊yield 3⦉@2; - return @3⦊"foo" - }⦉@3
- - diff --git a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.yield/yield.main.-------.InstrumentCoverage.0.html b/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.yield/yield.main.-------.InstrumentCoverage.0.html deleted file mode 100644 index 4c0c0d562b84..000000000000 --- a/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.yield/yield.main.-------.InstrumentCoverage.0.html +++ /dev/null @@ -1,138 +0,0 @@ - - - - -yield.main - Coverage Spans - - - -
@0,1,2⦊fn main() ⦉@0,1,2{ - let @0,1,2⦊mut generator⦉@0,1,2 = || { - yield 1; - return "foo" - }; - - match @0,1,2⦊Pin::new(&mut generator).resume(()) { - GeneratorState::Yielded(1)⦉@0,1,2 => @4,6,7,8⦊{}⦉@4,6,7,8 - _ => @5⦊panic!("unexpected value from resume")⦉@5, - } - match @4,6,7,8⦊Pin::new(&mut generator).resume(())⦉@4,6,7,8 { - GeneratorState::Complete(@10,11⦊"foo"⦉@10,11) => @12,13,14,15⦊{}⦉@12,13,14,15 - _ => @9⦊panic!("unexpected value from resume")⦉@9, - } - - let @12,13,14,15⦊mut generator⦉@12,13,14,15 = || { - yield 1; - yield 2; - yield 3; - return "foo" - }; - - match @12,13,14,15⦊Pin::new(&mut generator).resume(()) { - GeneratorState::Yielded(1)⦉@12,13,14,15 => @17,19,20,21⦊{}⦉@17,19,20,21 - _ => @18⦊panic!("unexpected value from resume")⦉@18, - } - match @17,19,20,21⦊Pin::new(&mut generator).resume(()) { - GeneratorState::Yielded(2)⦉@17,19,20,21 => @23,25⦊{}⦉@23,25 - _ => @24⦊panic!("unexpected value from resume")⦉@24, - } -}@23,25⦊‸⦉@23,25
- - diff --git a/src/test/run-make-fulldeps/coverage/async.rs b/src/test/run-make-fulldeps/coverage/async.rs index f08a7b44fbd1..67bf696d0729 100644 --- a/src/test/run-make-fulldeps/coverage/async.rs +++ b/src/test/run-make-fulldeps/coverage/async.rs @@ -10,7 +10,7 @@ async fn c(x: u8) -> u8 { } } -async fn d() -> u8 { 1 } // should have a coverage count `0` (see below) +async fn d() -> u8 { 1 } async fn e() -> u8 { 1 } // unused function; executor does not block on `g()` @@ -63,7 +63,7 @@ fn j(x: u8) { 0 } } - fn d() -> u8 { 1 } + fn d() -> u8 { 1 } // inner function is defined in-line, but the function is not executed fn f() -> u8 { 1 } match x { y if c(x) == y + 1 => { d(); } @@ -109,11 +109,11 @@ mod executor { pub fn block_on(mut future: F) -> F::Output { let mut future = unsafe { Pin::new_unchecked(&mut future) }; - + use std::hint::unreachable_unchecked; static VTABLE: RawWakerVTable = RawWakerVTable::new( - |_| unimplemented!("clone"), - |_| unimplemented!("wake"), - |_| unimplemented!("wake_by_ref"), + |_| unsafe { unreachable_unchecked() }, // clone + |_| unsafe { unreachable_unchecked() }, // wake + |_| unsafe { unreachable_unchecked() }, // wake_by_ref |_| (), ); let waker = unsafe { Waker::from_raw(RawWaker::new(core::ptr::null(), &VTABLE)) }; @@ -126,14 +126,3 @@ mod executor { } } } - -// `llvm-cov show` shows no coverage results for the `d()`, even though the -// crate's LLVM IR shows the function exists and has an InstrProf PGO counter, -// and appears to be registered like all other counted functions. -// -// `llvm-cov show --debug` output shows there is at least one `Counter` for this -// line, but counters do not appear in the `Combined regions` section (unlike -// `f()`, which is similar, but does appear in `Combined regions`, and does show -// coverage). The only difference is, `f()` is awaited, but the call to await -// `d()` is not reached. (Note: `d()` will appear in coverage if the test is -// modified to cause it to be awaited.) diff --git a/src/test/run-make-fulldeps/coverage/coverage_tools.mk b/src/test/run-make-fulldeps/coverage/coverage_tools.mk index 38643aaf9021..aa1dc7b91ce9 100644 --- a/src/test/run-make-fulldeps/coverage/coverage_tools.mk +++ b/src/test/run-make-fulldeps/coverage/coverage_tools.mk @@ -4,11 +4,3 @@ # -include ../coverage/coverage_tools.mk -include ../tools.mk - -# ISSUE(76038): When targeting MSVC, Rust binaries built with both `-Z instrument-coverage` and -# `-C link-dead-code` typically crash (with a seg-fault) or at best generate an empty `*.profraw` -# file, required for coverage reports. -# -# Enabling `-C link-dead-code` is not necessary when compiling with `-Z instrument-coverage`, -# due to improvements in the coverage map generation, to add unreachable functions known to Rust. -# Therefore, `-C link-dead-code` is no longer automatically enabled. diff --git a/src/test/run-make-fulldeps/coverage/lib/used_inline_crate.rs b/src/test/run-make-fulldeps/coverage/lib/used_inline_crate.rs index f4c3dd46f768..4a052756d4e2 100644 --- a/src/test/run-make-fulldeps/coverage/lib/used_inline_crate.rs +++ b/src/test/run-make-fulldeps/coverage/lib/used_inline_crate.rs @@ -28,12 +28,12 @@ pub fn used_inline_function() { } use_this_lib_crate(); } -// Expect for above function: -// -// | Unexecuted instantiation: used_crate::used_only_from_bin_crate_generic_function::<_> -// -// With `#[inline(always)]` this function is instantiated twice, in both the library crate (which -// does not use it) and the `uses_inline_crate` binary (which does use/call it). + + + + + + #[inline(always)] pub fn used_only_from_bin_crate_generic_function(arg: T) { diff --git a/src/test/run-make-fulldeps/coverage/loops_branches.rs b/src/test/run-make-fulldeps/coverage/loops_branches.rs index 938421d32e7a..4d9bbad3367f 100644 --- a/src/test/run-make-fulldeps/coverage/loops_branches.rs +++ b/src/test/run-make-fulldeps/coverage/loops_branches.rs @@ -1,7 +1,7 @@ #![allow(unused_assignments, unused_variables, while_true)] -// This test confirms an earlier problem was resolved, supporting the MIR graph generated by the -// structure of this `fmt` function. +// This test confirms that (1) unexecuted infinite loops are handled correctly by the +// InstrumentCoverage MIR pass; and (2) Counter Expressions that subtract from zero can be dropped. struct DebugTest; @@ -15,6 +15,40 @@ impl std::fmt::Debug for DebugTest { write!(f, "error")?; } else { } + + for i in 0..10 { + if true { + if false { + while true {} + } + write!(f, "error")?; + } else { + } + } + Ok(()) + } +} + +struct DisplayTest; + +impl std::fmt::Display for DisplayTest { + fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { + if false { + } else { + if false { + while true {} + } + write!(f, "error")?; + } + for i in 0..10 { + if false { + } else { + if false { + while true {} + } + write!(f, "error")?; + } + } Ok(()) } } @@ -22,15 +56,6 @@ impl std::fmt::Debug for DebugTest { fn main() { let debug_test = DebugTest; println!("{:?}", debug_test); + let display_test = DisplayTest; + println!("{}", display_test); } - -/* - -This is the error message generated, before the issue was fixed: - -error: internal compiler error: compiler/rustc_mir/src/transform/coverage/mod.rs:374:42: -Error processing: DefId(0:6 ~ bug_incomplete_cov_graph_traversal_simplified[317d]::{impl#0}::fmt): -Error { message: "`TraverseCoverageGraphWithLoops` missed some `BasicCoverageBlock`s: -[bcb6, bcb7, bcb9]" } - -*/ diff --git a/src/test/run-make-fulldeps/link-args-order/Makefile b/src/test/run-make-fulldeps/link-args-order/Makefile index 98c1e0eac3b0..f94e882ccb68 100644 --- a/src/test/run-make-fulldeps/link-args-order/Makefile +++ b/src/test/run-make-fulldeps/link-args-order/Makefile @@ -6,5 +6,5 @@ RUSTC_FLAGS = -C linker-flavor=ld -C link-arg=a -C link-args="b c" -C link-args= RUSTC_FLAGS_PRE = -C linker-flavor=ld -Z pre-link-arg=a -Z pre-link-args="b c" -Z pre-link-args="d e" -Z pre-link-arg=f all: - $(RUSTC) $(RUSTC_FLAGS) empty.rs 2>&1 | $(CGREP) '"a" "b" "c" "d" "e" "f" "g"' + $(RUSTC) $(RUSTC_FLAGS) empty.rs 2>&1 | $(CGREP) '"a" "b" "c" "d" "e" "f"' $(RUSTC) $(RUSTC_FLAGS_PRE) empty.rs 2>&1 | $(CGREP) '"a" "b" "c" "d" "e" "f"' diff --git a/src/test/run-make-fulldeps/link-args-order/empty.rs b/src/test/run-make-fulldeps/link-args-order/empty.rs index 2439171004b5..f328e4d9d04c 100644 --- a/src/test/run-make-fulldeps/link-args-order/empty.rs +++ b/src/test/run-make-fulldeps/link-args-order/empty.rs @@ -1,6 +1 @@ -#![feature(link_args)] - -#[link_args = "g"] -extern "C" {} - fn main() {} diff --git a/src/test/run-make-fulldeps/print-unversioned-files/unversioned-files.txt b/src/test/run-make-fulldeps/print-unversioned-files/unversioned-files.txt index befbdab0ad9b..4b20cd5d7453 100644 --- a/src/test/run-make-fulldeps/print-unversioned-files/unversioned-files.txt +++ b/src/test/run-make-fulldeps/print-unversioned-files/unversioned-files.txt @@ -10,7 +10,7 @@ SourceCodePro-It.ttf.woff SourceCodePro-LICENSE.txt SourceCodePro-Regular.ttf.woff SourceCodePro-Semibold.ttf.woff -SourceSerifPro-Bold.ttf.woff -SourceSerifPro-It.ttf.woff -SourceSerifPro-LICENSE.md -SourceSerifPro-Regular.ttf.woff +SourceSerif4-Bold.ttf.woff +SourceSerif4-It.ttf.woff +SourceSerif4-LICENSE.md +SourceSerif4-Regular.ttf.woff diff --git a/src/test/run-make/emit-shared-files/Makefile b/src/test/run-make/emit-shared-files/Makefile new file mode 100644 index 000000000000..d89b526d4303 --- /dev/null +++ b/src/test/run-make/emit-shared-files/Makefile @@ -0,0 +1,46 @@ +-include ../../run-make-fulldeps/tools.mk + +INVOCATION_ONLY = $(TMPDIR)/invocation-only +TOOLCHAIN_ONLY = $(TMPDIR)/toolchain-only +ALL_SHARED = $(TMPDIR)/all-shared + +all: invocation-only toolchain-only all-shared + +invocation-only: + $(RUSTDOC) -Z unstable-options --emit=invocation-specific --output $(INVOCATION_ONLY) --resource-suffix=-xxx --theme y.css --extend-css z.css x.rs + [ -e $(INVOCATION_ONLY)/search-index-xxx.js ] + [ -e $(INVOCATION_ONLY)/settings.html ] + [ -e $(INVOCATION_ONLY)/x/all.html ] + [ -e $(INVOCATION_ONLY)/x/index.html ] + [ -e $(INVOCATION_ONLY)/theme-xxx.css ] # generated from z.css + ! [ -e $(INVOCATION_ONLY)/storage-xxx.js ] + ! [ -e $(INVOCATION_ONLY)/SourceSerif4-It.ttf.woff ] + + # FIXME: this probably shouldn't have a suffix + [ -e $(INVOCATION_ONLY)/y-xxx.css ] + # FIXME: this is technically incorrect (see `write_shared`) + ! [ -e $(INVOCATION_ONLY)/main-xxx.js ] + +toolchain-only: + $(RUSTDOC) -Z unstable-options --emit=toolchain-shared-resources --output $(TOOLCHAIN_ONLY) --resource-suffix=-xxx --extend-css z.css x.rs + [ -e $(TOOLCHAIN_ONLY)/storage-xxx.js ] + ! [ -e $(TOOLCHAIN_ONLY)/SourceSerif4-It.ttf.woff ] + ! [ -e $(TOOLCHAIN_ONLY)/search-index-xxx.js ] + ! [ -e $(TOOLCHAIN_ONLY)/x/index.html ] + ! [ -e $(TOOLCHAIN_ONLY)/theme.css ] + + [ -e $(TOOLCHAIN_ONLY)/main-xxx.js ] + ! [ -e $(TOOLCHAIN_ONLY)/y-xxx.css ] + +all-shared: + $(RUSTDOC) -Z unstable-options --emit=toolchain-shared-resources,unversioned-shared-resources --output $(ALL_SHARED) --resource-suffix=-xxx --extend-css z.css x.rs + [ -e $(ALL_SHARED)/storage-xxx.js ] + [ -e $(ALL_SHARED)/SourceSerif4-It.ttf.woff ] + ! [ -e $(ALL_SHARED)/search-index-xxx.js ] + ! [ -e $(ALL_SHARED)/settings.html ] + ! [ -e $(ALL_SHARED)/x ] + ! [ -e $(ALL_SHARED)/src ] + ! [ -e $(ALL_SHARED)/theme.css ] + + [ -e $(ALL_SHARED)/main-xxx.js ] + ! [ -e $(ALL_SHARED)/y-xxx.css ] diff --git a/src/test/run-make/emit-shared-files/x.rs b/src/test/run-make/emit-shared-files/x.rs new file mode 100644 index 000000000000..5df7576133a6 --- /dev/null +++ b/src/test/run-make/emit-shared-files/x.rs @@ -0,0 +1 @@ +// nothing to see here diff --git a/src/test/run-make/emit-shared-files/y.css b/src/test/run-make/emit-shared-files/y.css new file mode 100644 index 000000000000..e69de29bb2d1 diff --git a/src/test/run-make/emit-shared-files/z.css b/src/test/run-make/emit-shared-files/z.css new file mode 100644 index 000000000000..e69de29bb2d1 diff --git a/src/test/run-make/incr-prev-body-beyond-eof/Makefile b/src/test/run-make/incr-prev-body-beyond-eof/Makefile index 49a7ee5f900f..24eea3acaeac 100644 --- a/src/test/run-make/incr-prev-body-beyond-eof/Makefile +++ b/src/test/run-make/incr-prev-body-beyond-eof/Makefile @@ -1,7 +1,7 @@ -include ../../run-make-fulldeps/tools.mk +# ignore-none no-std is not supported +# ignore-nvptx64-nvidia-cuda FIXME: can't find crate for `std` -# FIXME https://github.com/rust-lang/rust/issues/78911 -# ignore-32bit wrong/no cross compiler and sometimes we pass wrong gcc args (-m64) +include ../../run-make-fulldeps/tools.mk # Tests that we don't ICE during incremental compilation after modifying a # function span such that its previous end line exceeds the number of lines @@ -14,6 +14,6 @@ all: mkdir $(SRC) mkdir $(INCR) cp a.rs $(SRC)/main.rs - $(RUSTC) -C incremental=$(INCR) $(SRC)/main.rs + $(RUSTC) -C incremental=$(INCR) $(SRC)/main.rs --target $(TARGET) cp b.rs $(SRC)/main.rs - $(RUSTC) -C incremental=$(INCR) $(SRC)/main.rs + $(RUSTC) -C incremental=$(INCR) $(SRC)/main.rs --target $(TARGET) diff --git a/src/test/run-make/issue-36710/Makefile b/src/test/run-make/issue-36710/Makefile index b0e8451ff5d0..b5270ad2ba9d 100644 --- a/src/test/run-make/issue-36710/Makefile +++ b/src/test/run-make/issue-36710/Makefile @@ -1,13 +1,20 @@ -include ../../run-make-fulldeps/tools.mk +# ignore-riscv64 $(call RUN,foo) expects to run the target executable natively +# so it won't work with remote-test-server +# ignore-arm Another build using remote-test-server +# ignore-none no-std is not supported +# ignore-wasm32 FIXME: don't attempt to compile C++ to WASM +# ignore-wasm64 FIXME: don't attempt to compile C++ to WASM +# ignore-nvptx64-nvidia-cuda FIXME: can't find crate for `std` +# ignore-musl FIXME: this makefile needs teaching how to use a musl toolchain +# (see dist-i586-gnu-i586-i686-musl Dockerfile) -# FIXME https://github.com/rust-lang/rust/issues/78911 -# ignore-32bit wrong/no cross compiler and sometimes we pass wrong gcc args (-m64) +include ../../run-make-fulldeps/tools.mk all: foo $(call RUN,foo) foo: foo.rs $(call NATIVE_STATICLIB,foo) - $(RUSTC) $< -lfoo $(EXTRARSCXXFLAGS) + $(RUSTC) $< -lfoo $(EXTRARSCXXFLAGS) --target $(TARGET) $(TMPDIR)/libfoo.o: foo.cpp $(call COMPILE_OBJ_CXX,$@,$<) diff --git a/src/test/run-make/issue-83112-incr-test-moved-file/Makefile b/src/test/run-make/issue-83112-incr-test-moved-file/Makefile index 76ecaba0f6a0..2f796e5b2fc0 100644 --- a/src/test/run-make/issue-83112-incr-test-moved-file/Makefile +++ b/src/test/run-make/issue-83112-incr-test-moved-file/Makefile @@ -1,7 +1,7 @@ include ../../run-make-fulldeps/tools.mk -# FIXME https://github.com/rust-lang/rust/issues/78911 -# ignore-32bit wrong/no cross compiler and sometimes we pass wrong gcc args (-m64) +# ignore-none no-std is not supported +# ignore-nvptx64-nvidia-cuda FIXME: can't find crate for 'std' # Regression test for issue #83112 # The generated test harness code contains spans with a dummy location, @@ -20,6 +20,6 @@ all: mkdir $(SRC)/mydir mkdir $(INCR) cp main.rs $(SRC)/main.rs - $(RUSTC) --test -C incremental=$(INCR) $(SRC)/main.rs + $(RUSTC) --test -C incremental=$(INCR) $(SRC)/main.rs --target $(TARGET) mv $(SRC)/main.rs $(SRC)/mydir/main.rs - $(RUSTC) --test -C incremental=$(INCR) $(SRC)/mydir/main.rs + $(RUSTC) --test -C incremental=$(INCR) $(SRC)/mydir/main.rs --target $(TARGET) diff --git a/src/test/run-make/unstable-flag-required/Makefile b/src/test/run-make/unstable-flag-required/Makefile new file mode 100644 index 000000000000..b8769d5f6905 --- /dev/null +++ b/src/test/run-make/unstable-flag-required/Makefile @@ -0,0 +1,4 @@ +-include ../../run-make-fulldeps/tools.mk + +all: + $(RUSTDOC) --output-format=json x.html 2>&1 | diff - output-format-json.stderr diff --git a/src/test/run-make/unstable-flag-required/README.md b/src/test/run-make/unstable-flag-required/README.md new file mode 100644 index 000000000000..e5251fdf9b5d --- /dev/null +++ b/src/test/run-make/unstable-flag-required/README.md @@ -0,0 +1,3 @@ +This is a collection of tests that verify `--unstable-options` is required. +It should eventually be removed in favor of UI tests once compiletest stops +passing --unstable-options by default (#82639). diff --git a/src/test/run-make/unstable-flag-required/output-format-json.stderr b/src/test/run-make/unstable-flag-required/output-format-json.stderr new file mode 100644 index 000000000000..fb4079beb279 --- /dev/null +++ b/src/test/run-make/unstable-flag-required/output-format-json.stderr @@ -0,0 +1,2 @@ +error: the -Z unstable-options flag must be passed to enable --output-format for documentation generation (see https://github.com/rust-lang/rust/issues/76578) + diff --git a/src/test/run-make/unstable-flag-required/x.rs b/src/test/run-make/unstable-flag-required/x.rs new file mode 100644 index 000000000000..5df7576133a6 --- /dev/null +++ b/src/test/run-make/unstable-flag-required/x.rs @@ -0,0 +1 @@ +// nothing to see here diff --git a/src/test/rustdoc-gui/search-tab-selection-if-current-is-empty.goml b/src/test/rustdoc-gui/search-tab-selection-if-current-is-empty.goml new file mode 100644 index 000000000000..a4df102d245b --- /dev/null +++ b/src/test/rustdoc-gui/search-tab-selection-if-current-is-empty.goml @@ -0,0 +1,21 @@ +goto: file://|DOC_PATH|/index.html +write: (".search-input", "Foo") +// Waiting for the search results to appear... +wait-for: "#titles" +assert: ("#titles > button:nth-of-type(1)", "class", "selected") + +// To go back to the original "state" +goto: file://|DOC_PATH|/index.html +write: (".search-input", "-> String") +// Waiting for the search results to appear... +wait-for: "#titles" +// With this search, only the last tab shouldn't be empty so it should be selected. +assert: ("#titles > button:nth-of-type(3)", "class", "selected") + +// To go back to the original "state" +goto: file://|DOC_PATH|/index.html +write: (".search-input", "-> Something") +// Waiting for the search results to appear... +wait-for: "#titles" +// With this search, all the tabs are empty so the first one should remain selected. +assert: ("#titles > button:nth-of-type(1)", "class", "selected") diff --git a/src/test/rustdoc-ui/auxiliary/panic-item.rs b/src/test/rustdoc-ui/auxiliary/panic-item.rs new file mode 100644 index 000000000000..17b26850d4d2 --- /dev/null +++ b/src/test/rustdoc-ui/auxiliary/panic-item.rs @@ -0,0 +1,17 @@ +// no-prefer-dynamic +#![crate_type = "lib"] +#![no_std] +#![feature(lang_items)] + +use core::panic::PanicInfo; +use core::sync::atomic::{self, Ordering}; + +#[panic_handler] +fn panic(_info: &PanicInfo) -> ! { + loop { + atomic::compiler_fence(Ordering::SeqCst); + } +} + +#[lang = "eh_personality"] +fn foo() {} diff --git a/src/test/rustdoc-ui/commandline-argfile-missing.rs b/src/test/rustdoc-ui/commandline-argfile-missing.rs index 020c3ff3c7e6..5a6465bd0646 100644 --- a/src/test/rustdoc-ui/commandline-argfile-missing.rs +++ b/src/test/rustdoc-ui/commandline-argfile-missing.rs @@ -1,6 +1,5 @@ // Check to see if we can get parameters from an @argsfile file // -// ignore-tidy-linelength // normalize-stderr-test: "os error \d+" -> "os error $$ERR" // normalize-stderr-test: "commandline-argfile-missing.args:[^(]*" -> "commandline-argfile-missing.args: $$FILE_MISSING " // compile-flags: --cfg cmdline_set @{{src-base}}/commandline-argfile-missing.args diff --git a/src/test/rustdoc-ui/doc-spotlight.fixed b/src/test/rustdoc-ui/doc-spotlight.fixed new file mode 100644 index 000000000000..94b69a99879c --- /dev/null +++ b/src/test/rustdoc-ui/doc-spotlight.fixed @@ -0,0 +1,9 @@ +// check-pass +// run-rustfix + +#![feature(doc_notable_trait)] + +#[doc(notable_trait)] +//~^ WARN unknown `doc` attribute `spotlight` +//~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! +trait MyTrait {} diff --git a/src/test/rustdoc-ui/doc-spotlight.rs b/src/test/rustdoc-ui/doc-spotlight.rs new file mode 100644 index 000000000000..cc5f159a8093 --- /dev/null +++ b/src/test/rustdoc-ui/doc-spotlight.rs @@ -0,0 +1,9 @@ +// check-pass +// run-rustfix + +#![feature(doc_notable_trait)] + +#[doc(spotlight)] +//~^ WARN unknown `doc` attribute `spotlight` +//~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! +trait MyTrait {} diff --git a/src/test/rustdoc-ui/doc-spotlight.stderr b/src/test/rustdoc-ui/doc-spotlight.stderr new file mode 100644 index 000000000000..e5fa6293f3d8 --- /dev/null +++ b/src/test/rustdoc-ui/doc-spotlight.stderr @@ -0,0 +1,14 @@ +warning: unknown `doc` attribute `spotlight` + --> $DIR/doc-spotlight.rs:6:7 + | +LL | #[doc(spotlight)] + | ^^^^^^^^^ help: use `notable_trait` instead + | + = note: `#[warn(invalid_doc_attributes)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #82730 + = note: `doc(spotlight)` was renamed to `doc(notable_trait)` + = note: `doc(spotlight)` is now a no-op + +warning: 1 warning emitted + diff --git a/src/test/rustdoc-ui/intra-doc/anchors.rs b/src/test/rustdoc-ui/intra-doc/anchors.rs index 009b291be1f0..6785cb7abeae 100644 --- a/src/test/rustdoc-ui/intra-doc/anchors.rs +++ b/src/test/rustdoc-ui/intra-doc/anchors.rs @@ -43,3 +43,7 @@ pub fn enum_link() {} /// [u32#hello] //~^ ERROR `u32#hello` contains an anchor pub fn x() {} + +/// [prim@usize#x] +//~^ ERROR `prim@usize#x` contains an anchor +pub mod usize {} diff --git a/src/test/rustdoc-ui/intra-doc/anchors.stderr b/src/test/rustdoc-ui/intra-doc/anchors.stderr index 97b0cea0c1e4..787a68ed969e 100644 --- a/src/test/rustdoc-ui/intra-doc/anchors.stderr +++ b/src/test/rustdoc-ui/intra-doc/anchors.stderr @@ -1,8 +1,8 @@ -error: `Foo::f#hola` contains an anchor, but links to fields are already anchored - --> $DIR/anchors.rs:25:15 +error: `prim@usize#x` contains an anchor, but links to builtin types are already anchored + --> $DIR/anchors.rs:47:6 | -LL | /// Or maybe [Foo::f#hola]. - | ^^^^^^^^^^^ contains invalid anchor +LL | /// [prim@usize#x] + | ^^^^^^^^^^^^ contains invalid anchor | note: the lint level is defined here --> $DIR/anchors.rs:1:9 @@ -10,6 +10,12 @@ note: the lint level is defined here LL | #![deny(rustdoc::broken_intra_doc_links)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +error: `Foo::f#hola` contains an anchor, but links to fields are already anchored + --> $DIR/anchors.rs:25:15 + | +LL | /// Or maybe [Foo::f#hola]. + | ^^^^^^^^^^^ contains invalid anchor + error: `hello#people#!` contains multiple anchors --> $DIR/anchors.rs:31:28 | @@ -28,5 +34,5 @@ error: `u32#hello` contains an anchor, but links to builtin types are already an LL | /// [u32#hello] | ^^^^^^^^^ contains invalid anchor -error: aborting due to 4 previous errors +error: aborting due to 5 previous errors diff --git a/src/test/rustdoc-ui/intra-doc/email-address-localhost.rs b/src/test/rustdoc-ui/intra-doc/email-address-localhost.rs new file mode 100644 index 000000000000..417618c74582 --- /dev/null +++ b/src/test/rustdoc-ui/intra-doc/email-address-localhost.rs @@ -0,0 +1,6 @@ +#![deny(warnings)] + +//! Email me at . +//~^ ERROR unknown disambiguator `hello` + +//! This should *not* warn: . diff --git a/src/test/rustdoc-ui/intra-doc/email-address-localhost.stderr b/src/test/rustdoc-ui/intra-doc/email-address-localhost.stderr new file mode 100644 index 000000000000..f287f87408c4 --- /dev/null +++ b/src/test/rustdoc-ui/intra-doc/email-address-localhost.stderr @@ -0,0 +1,16 @@ +error: unknown disambiguator `hello` + --> $DIR/email-address-localhost.rs:3:18 + | +LL | //! Email me at . + | ^^^^^ + | +note: the lint level is defined here + --> $DIR/email-address-localhost.rs:1:9 + | +LL | #![deny(warnings)] + | ^^^^^^^^ + = note: `#[deny(rustdoc::broken_intra_doc_links)]` implied by `#[deny(warnings)]` + = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + +error: aborting due to previous error + diff --git a/src/test/rustdoc-ui/intra-doc/private.private.stderr b/src/test/rustdoc-ui/intra-doc/private.private.stderr index cae5b1f20e6c..392321f9c60d 100644 --- a/src/test/rustdoc-ui/intra-doc/private.private.stderr +++ b/src/test/rustdoc-ui/intra-doc/private.private.stderr @@ -1,19 +1,27 @@ warning: public documentation for `DocMe` links to private item `DontDocMe` - --> $DIR/private.rs:5:11 + --> $DIR/private.rs:7:11 | -LL | /// docs [DontDocMe] [DontDocMe::f] +LL | /// docs [DontDocMe] [DontDocMe::f] [DontDocMe::x] | ^^^^^^^^^ this item is private | = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default = note: this link resolves only because you passed `--document-private-items`, but will break without warning: public documentation for `DocMe` links to private item `DontDocMe::f` - --> $DIR/private.rs:5:23 + --> $DIR/private.rs:7:23 | -LL | /// docs [DontDocMe] [DontDocMe::f] +LL | /// docs [DontDocMe] [DontDocMe::f] [DontDocMe::x] | ^^^^^^^^^^^^ this item is private | = note: this link resolves only because you passed `--document-private-items`, but will break without -warning: 2 warnings emitted +warning: public documentation for `DocMe` links to private item `DontDocMe::x` + --> $DIR/private.rs:7:38 + | +LL | /// docs [DontDocMe] [DontDocMe::f] [DontDocMe::x] + | ^^^^^^^^^^^^ this item is private + | + = note: this link resolves only because you passed `--document-private-items`, but will break without + +warning: 3 warnings emitted diff --git a/src/test/rustdoc-ui/intra-doc/private.public.stderr b/src/test/rustdoc-ui/intra-doc/private.public.stderr index 05b202e37fbc..5d1c34b9168d 100644 --- a/src/test/rustdoc-ui/intra-doc/private.public.stderr +++ b/src/test/rustdoc-ui/intra-doc/private.public.stderr @@ -1,19 +1,27 @@ warning: public documentation for `DocMe` links to private item `DontDocMe` - --> $DIR/private.rs:5:11 + --> $DIR/private.rs:7:11 | -LL | /// docs [DontDocMe] [DontDocMe::f] +LL | /// docs [DontDocMe] [DontDocMe::f] [DontDocMe::x] | ^^^^^^^^^ this item is private | = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default = note: this link will resolve properly if you pass `--document-private-items` warning: public documentation for `DocMe` links to private item `DontDocMe::f` - --> $DIR/private.rs:5:23 + --> $DIR/private.rs:7:23 | -LL | /// docs [DontDocMe] [DontDocMe::f] +LL | /// docs [DontDocMe] [DontDocMe::f] [DontDocMe::x] | ^^^^^^^^^^^^ this item is private | = note: this link will resolve properly if you pass `--document-private-items` -warning: 2 warnings emitted +warning: public documentation for `DocMe` links to private item `DontDocMe::x` + --> $DIR/private.rs:7:38 + | +LL | /// docs [DontDocMe] [DontDocMe::f] [DontDocMe::x] + | ^^^^^^^^^^^^ this item is private + | + = note: this link will resolve properly if you pass `--document-private-items` + +warning: 3 warnings emitted diff --git a/src/test/rustdoc-ui/intra-doc/private.rs b/src/test/rustdoc-ui/intra-doc/private.rs index 3782864305f1..525332ddaac3 100644 --- a/src/test/rustdoc-ui/intra-doc/private.rs +++ b/src/test/rustdoc-ui/intra-doc/private.rs @@ -2,12 +2,16 @@ // revisions: public private // [private]compile-flags: --document-private-items -/// docs [DontDocMe] [DontDocMe::f] +// make sure to update `rustdoc/intra-doc/private.rs` if you update this file + +/// docs [DontDocMe] [DontDocMe::f] [DontDocMe::x] //~^ WARNING public documentation for `DocMe` links to private item `DontDocMe` +//~| WARNING public documentation for `DocMe` links to private item `DontDocMe::x` //~| WARNING public documentation for `DocMe` links to private item `DontDocMe::f` -// FIXME: for [private] we should also make sure the link was actually generated pub struct DocMe; -struct DontDocMe; +struct DontDocMe { + x: usize, +} impl DontDocMe { fn f() {} diff --git a/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs new file mode 100644 index 000000000000..925fc515a3e6 --- /dev/null +++ b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs @@ -0,0 +1,13 @@ +#![deny(warnings)] + +//! Linking to [foo@banana] and [`bar@banana!()`]. +//~^ ERROR unknown disambiguator `foo` +//~| ERROR unknown disambiguator `bar` +//! And to [no disambiguator](@nectarine) and [another](@apricot!()). +//~^ ERROR unknown disambiguator `` +//~| ERROR unknown disambiguator `` +//! And with weird backticks: [``foo@hello``] [foo`@`hello]. +//~^ ERROR unknown disambiguator `foo` +//~| ERROR unknown disambiguator `foo` + +fn main() {} diff --git a/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr new file mode 100644 index 000000000000..94d6d4616518 --- /dev/null +++ b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr @@ -0,0 +1,56 @@ +error: unknown disambiguator `foo` + --> $DIR/unknown-disambiguator.rs:3:17 + | +LL | //! Linking to [foo@banana] and [`bar@banana!()`]. + | ^^^ + | +note: the lint level is defined here + --> $DIR/unknown-disambiguator.rs:1:9 + | +LL | #![deny(warnings)] + | ^^^^^^^^ + = note: `#[deny(rustdoc::broken_intra_doc_links)]` implied by `#[deny(warnings)]` + = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + +error: unknown disambiguator `bar` + --> $DIR/unknown-disambiguator.rs:3:35 + | +LL | //! Linking to [foo@banana] and [`bar@banana!()`]. + | ^^^ + | + = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + +error: unknown disambiguator `foo` + --> $DIR/unknown-disambiguator.rs:9:34 + | +LL | //! And with weird backticks: [``foo@hello``] [foo`@`hello]. + | ^^^ + | + = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + +error: unknown disambiguator `foo` + --> $DIR/unknown-disambiguator.rs:9:48 + | +LL | //! And with weird backticks: [``foo@hello``] [foo`@`hello]. + | ^^^ + | + = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + +error: unknown disambiguator `` + --> $DIR/unknown-disambiguator.rs:6:31 + | +LL | //! And to [no disambiguator](@nectarine) and [another](@apricot!()). + | ^ + | + = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + +error: unknown disambiguator `` + --> $DIR/unknown-disambiguator.rs:6:57 + | +LL | //! And to [no disambiguator](@nectarine) and [another](@apricot!()). + | ^ + | + = note: see https://doc.rust-lang.org/nightly/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + +error: aborting due to 6 previous errors + diff --git a/src/test/rustdoc-ui/invalid-theme-name.rs b/src/test/rustdoc-ui/invalid-theme-name.rs new file mode 100644 index 000000000000..c22ebf02718e --- /dev/null +++ b/src/test/rustdoc-ui/invalid-theme-name.rs @@ -0,0 +1,3 @@ +// compile-flags:--theme {{src-base}}/invalid-theme-name.rs +// error-pattern: invalid argument +// error-pattern: must have a .css extension diff --git a/src/test/rustdoc-ui/invalid-theme-name.stderr b/src/test/rustdoc-ui/invalid-theme-name.stderr new file mode 100644 index 000000000000..80204442dbec --- /dev/null +++ b/src/test/rustdoc-ui/invalid-theme-name.stderr @@ -0,0 +1,4 @@ +error: invalid argument: "$DIR/invalid-theme-name.rs" + | + = help: arguments to --theme must have a .css extension + diff --git a/src/test/rustdoc-ui/issue-83883-describe-lints.rs b/src/test/rustdoc-ui/issue-83883-describe-lints.rs new file mode 100644 index 000000000000..a261b782d485 --- /dev/null +++ b/src/test/rustdoc-ui/issue-83883-describe-lints.rs @@ -0,0 +1,8 @@ +// compile-flags: -W help +// check-pass +// +// ignore-tidy-linelength +// +// normalize-stdout-test: "( +name default meaning\n +---- ------- -------\n)?( *[[:word:]:-]+ (allow |warn |deny |forbid ) [^\n]+\n)+" -> " $$NAMES $$LEVELS $$MEANINGS" +// normalize-stdout-test: " +name sub-lints\n +---- ---------\n( *[[:word:]:-]+ [^\n]+\n)+" -> " $$NAMES $$SUB_LINTS" +// normalize-stdout-test: " +rustdoc::all( (rustdoc::[[:word:]-]+, )*rustdoc::[[:word:]-]+)?" -> " rustdoc::all $$GROUPS$4" diff --git a/src/test/rustdoc-ui/issue-83883-describe-lints.stdout b/src/test/rustdoc-ui/issue-83883-describe-lints.stdout new file mode 100644 index 000000000000..651faf5761f1 --- /dev/null +++ b/src/test/rustdoc-ui/issue-83883-describe-lints.stdout @@ -0,0 +1,25 @@ + +Available lint options: + -W Warn about + -A Allow + -D Deny + -F Forbid (deny and all attempts to override) + + +Lint checks provided by rustc: + + $NAMES $LEVELS $MEANINGS + +Lint groups provided by rustc: + + $NAMES $SUB_LINTS + +Lint checks provided by plugins loaded by this crate: + + $NAMES $LEVELS $MEANINGS + +Lint groups provided by plugins loaded by this crate: + + rustdoc::all $GROUPS + + diff --git a/src/test/rustdoc-ui/output-format-html-stable.rs b/src/test/rustdoc-ui/output-format-html-stable.rs new file mode 100644 index 000000000000..fa0362640bb8 --- /dev/null +++ b/src/test/rustdoc-ui/output-format-html-stable.rs @@ -0,0 +1,4 @@ +// compile-flags: --output-format html +// check-pass +// This tests that `--output-format html` is accepted without `-Z unstable-options`, +// since it has been stable since 1.0. diff --git a/src/test/rustdoc-ui/unused-extern-crate.rs b/src/test/rustdoc-ui/unused-extern-crate.rs new file mode 100644 index 000000000000..f703a1837907 --- /dev/null +++ b/src/test/rustdoc-ui/unused-extern-crate.rs @@ -0,0 +1,3 @@ +// check-pass +// aux-crate:panic_item=panic-item.rs +// @has unused_extern_crate/index.html diff --git a/src/test/rustdoc/assoc-item-cast.rs b/src/test/rustdoc/assoc-item-cast.rs index dc62fac6a957..273fc62aa179 100644 --- a/src/test/rustdoc/assoc-item-cast.rs +++ b/src/test/rustdoc/assoc-item-cast.rs @@ -1,6 +1,5 @@ #![crate_name = "foo"] -// ignore-tidy-linelength pub trait Expression { type SqlType; diff --git a/src/test/rustdoc/assoc-types.rs b/src/test/rustdoc/assoc-types.rs index 5f0fdbb322ca..82fa7cf9e605 100644 --- a/src/test/rustdoc/assoc-types.rs +++ b/src/test/rustdoc/assoc-types.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![crate_type="lib"] // @has assoc_types/trait.Index.html diff --git a/src/test/rustdoc/async-fn.rs b/src/test/rustdoc/async-fn.rs index aa4ad261c80f..4b66b5271c5b 100644 --- a/src/test/rustdoc/async-fn.rs +++ b/src/test/rustdoc/async-fn.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // edition:2018 // @has async_fn/fn.foo.html '//pre[@class="rust fn"]' 'pub async fn foo() -> Option' pub async fn foo() -> Option { diff --git a/src/test/rustdoc/const-display.rs b/src/test/rustdoc/const-display.rs index 11ba68a388fb..fb5c8517f6ca 100644 --- a/src/test/rustdoc/const-display.rs +++ b/src/test/rustdoc/const-display.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![crate_name = "foo"] #![unstable(feature = "humans", diff --git a/src/test/rustdoc/const-generics/add-impl.rs b/src/test/rustdoc/const-generics/add-impl.rs index 85be89719ec3..db4be82e6bfd 100644 --- a/src/test/rustdoc/const-generics/add-impl.rs +++ b/src/test/rustdoc/const-generics/add-impl.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![feature(const_generics)] #![crate_name = "foo"] diff --git a/src/test/rustdoc/const-generics/const-impl.rs b/src/test/rustdoc/const-generics/const-impl.rs index 03f5bb2ca437..04fb33953333 100644 --- a/src/test/rustdoc/const-generics/const-impl.rs +++ b/src/test/rustdoc/const-generics/const-impl.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![feature(const_generics)] #![crate_name = "foo"] diff --git a/src/test/rustdoc/const-generics/type-alias.rs b/src/test/rustdoc/const-generics/type-alias.rs index 85160dc07a7a..ebda5b194045 100644 --- a/src/test/rustdoc/const-generics/type-alias.rs +++ b/src/test/rustdoc/const-generics/type-alias.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![crate_name = "foo"] // @has foo/type.CellIndex.html '//pre[@class="rust typedef"]' 'type CellIndex = [i64; D];' diff --git a/src/test/rustdoc/deref-recursive-pathbuf.rs b/src/test/rustdoc/deref-recursive-pathbuf.rs index 759e881aab41..459a30060c62 100644 --- a/src/test/rustdoc/deref-recursive-pathbuf.rs +++ b/src/test/rustdoc/deref-recursive-pathbuf.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // #26207: Show all methods reachable via Deref impls, recursing through multiple dereferencing // levels and across multiple crates. diff --git a/src/test/rustdoc/deref-recursive.rs b/src/test/rustdoc/deref-recursive.rs index 5aef87c38cd2..b96b5397ad78 100644 --- a/src/test/rustdoc/deref-recursive.rs +++ b/src/test/rustdoc/deref-recursive.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // #26207: Show all methods reachable via Deref impls, recursing through multiple dereferencing // levels if needed. diff --git a/src/test/rustdoc/deref-typedef.rs b/src/test/rustdoc/deref-typedef.rs index 589f133b975a..47009559e6f7 100644 --- a/src/test/rustdoc/deref-typedef.rs +++ b/src/test/rustdoc/deref-typedef.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![crate_name = "foo"] // @has 'foo/struct.Bar.html' diff --git a/src/test/rustdoc/doc-spotlight.rs b/src/test/rustdoc/doc-notable_trait.rs similarity index 78% rename from src/test/rustdoc/doc-spotlight.rs rename to src/test/rustdoc/doc-notable_trait.rs index ddd46c3c2155..58a24b855d6e 100644 --- a/src/test/rustdoc/doc-spotlight.rs +++ b/src/test/rustdoc/doc-notable_trait.rs @@ -1,4 +1,4 @@ -#![feature(doc_spotlight)] +#![feature(doc_notable_trait)] pub struct Wrapper { inner: T, @@ -6,9 +6,9 @@ pub struct Wrapper { impl SomeTrait for Wrapper {} -#[doc(spotlight)] +#[doc(notable_trait)] pub trait SomeTrait { - // @has doc_spotlight/trait.SomeTrait.html + // @has doc_notable_trait/trait.SomeTrait.html // @has - '//code[@class="content"]' 'impl SomeTrait for Wrapper' fn wrap_me(self) -> Wrapper where Self: Sized { Wrapper { @@ -21,7 +21,7 @@ pub struct SomeStruct; impl SomeTrait for SomeStruct {} impl SomeStruct { - // @has doc_spotlight/struct.SomeStruct.html + // @has doc_notable_trait/struct.SomeStruct.html // @has - '//code[@class="content"]' 'impl SomeTrait for SomeStruct' // @has - '//code[@class="content"]' 'impl SomeTrait for Wrapper' pub fn new() -> SomeStruct { @@ -29,7 +29,7 @@ impl SomeStruct { } } -// @has doc_spotlight/fn.bare_fn.html +// @has doc_notable_trait/fn.bare_fn.html // @has - '//code[@class="content"]' 'impl SomeTrait for SomeStruct' pub fn bare_fn() -> SomeStruct { SomeStruct diff --git a/src/test/rustdoc/double-quote-escape.rs b/src/test/rustdoc/double-quote-escape.rs index 243d8ad7965b..546af2c121ad 100644 --- a/src/test/rustdoc/double-quote-escape.rs +++ b/src/test/rustdoc/double-quote-escape.rs @@ -1,6 +1,5 @@ #![crate_name = "foo"] -// ignore-tidy-linelength pub trait Foo { fn foo() {} diff --git a/src/test/rustdoc/duplicate-cfg.rs b/src/test/rustdoc/duplicate-cfg.rs index 7b938af3c7d5..cec504ea1517 100644 --- a/src/test/rustdoc/duplicate-cfg.rs +++ b/src/test/rustdoc/duplicate-cfg.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![crate_name = "foo"] #![feature(doc_cfg)] diff --git a/src/test/rustdoc/fn-type.rs b/src/test/rustdoc/fn-type.rs index f5e123aed9c4..3959aeb6cfb7 100644 --- a/src/test/rustdoc/fn-type.rs +++ b/src/test/rustdoc/fn-type.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![crate_name = "foo"] #![crate_type = "lib"] diff --git a/src/test/rustdoc/for-lifetime.rs b/src/test/rustdoc/for-lifetime.rs index 299794b63b2e..34a7eae31c79 100644 --- a/src/test/rustdoc/for-lifetime.rs +++ b/src/test/rustdoc/for-lifetime.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![crate_name = "foo"] #![crate_type = "lib"] diff --git a/src/test/rustdoc/inline_cross/impl_trait.rs b/src/test/rustdoc/inline_cross/impl_trait.rs index 44e2c4d3fb25..a2adc0e63c9c 100644 --- a/src/test/rustdoc/inline_cross/impl_trait.rs +++ b/src/test/rustdoc/inline_cross/impl_trait.rs @@ -1,6 +1,5 @@ // aux-build:impl_trait_aux.rs // edition:2018 -// ignore-tidy-linelength extern crate impl_trait_aux; diff --git a/src/test/rustdoc/intra-doc/associated-defaults.rs b/src/test/rustdoc/intra-doc/associated-defaults.rs index f99d9b5baea4..28dc7073a3ec 100644 --- a/src/test/rustdoc/intra-doc/associated-defaults.rs +++ b/src/test/rustdoc/intra-doc/associated-defaults.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![deny(intra_doc_link_resolution_failure)] #![feature(associated_type_defaults)] diff --git a/src/test/rustdoc/intra-doc/associated-items.rs b/src/test/rustdoc/intra-doc/associated-items.rs index 09dfbfcf68a3..43a43a79738b 100644 --- a/src/test/rustdoc/intra-doc/associated-items.rs +++ b/src/test/rustdoc/intra-doc/associated-items.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![deny(intra_doc_link_resolution_failure)] /// [`std::collections::BTreeMap::into_iter`] diff --git a/src/test/rustdoc/auxiliary/issue-66159-1.rs b/src/test/rustdoc/intra-doc/auxiliary/issue-66159-1.rs similarity index 100% rename from src/test/rustdoc/auxiliary/issue-66159-1.rs rename to src/test/rustdoc/intra-doc/auxiliary/issue-66159-1.rs diff --git a/src/test/rustdoc/intra-doc/cross-crate/macro.rs b/src/test/rustdoc/intra-doc/cross-crate/macro.rs index 311b16dff13b..62659ce689a7 100644 --- a/src/test/rustdoc/intra-doc/cross-crate/macro.rs +++ b/src/test/rustdoc/intra-doc/cross-crate/macro.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // aux-build:macro_inner.rs // aux-build:proc_macro.rs // build-aux-docs diff --git a/src/test/rustdoc/intra-doc/cross-crate/traits.rs b/src/test/rustdoc/intra-doc/cross-crate/traits.rs index 07decb48019d..68f5cb3a092e 100644 --- a/src/test/rustdoc/intra-doc/cross-crate/traits.rs +++ b/src/test/rustdoc/intra-doc/cross-crate/traits.rs @@ -1,6 +1,5 @@ // aux-build:traits.rs // build-aux-docs -// ignore-tidy-line-length #![deny(broken_intra_doc_links)] extern crate inner; diff --git a/src/test/rustdoc/intra-doc/disambiguators-removed.rs b/src/test/rustdoc/intra-doc/disambiguators-removed.rs index aa0ced62aaf3..12c3cee29c3a 100644 --- a/src/test/rustdoc/intra-doc/disambiguators-removed.rs +++ b/src/test/rustdoc/intra-doc/disambiguators-removed.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![deny(intra_doc_link_resolution_failure)] // first try backticks /// Trait: [`trait@Name`], fn: [`fn@Name`], [`Name`][`macro@Name`] diff --git a/src/test/rustdoc/intra-doc/email-address.rs b/src/test/rustdoc/intra-doc/email-address.rs new file mode 100644 index 000000000000..c407eb80da22 --- /dev/null +++ b/src/test/rustdoc/intra-doc/email-address.rs @@ -0,0 +1,6 @@ +//! Email me at . +//! Email me at . +//! Email me at (this warns but will still become a link). +// @has email_address/index.html '//a[@href="mailto:hello@example.com"]' 'hello@example.com' +// @has email_address/index.html '//a[@href="mailto:hello-world@example.com"]' 'hello-world@example.com' +// @has email_address/index.html '//a[@href="mailto:hello@localhost"]' 'hello@localhost' diff --git a/src/test/rustdoc/intra-doc/extern-crate-only-used-in-link.rs b/src/test/rustdoc/intra-doc/extern-crate-only-used-in-link.rs new file mode 100644 index 000000000000..0964c79de068 --- /dev/null +++ b/src/test/rustdoc/intra-doc/extern-crate-only-used-in-link.rs @@ -0,0 +1,8 @@ +// aux-build:issue-66159-1.rs +// aux-crate:priv:issue_66159_1=issue-66159-1.rs +// build-aux-docs +// compile-flags:-Z unstable-options + +// @has extern_crate_only_used_in_link/index.html +// @has - '//a[@href="../issue_66159_1/struct.Something.html"]' 'issue_66159_1::Something' +//! [issue_66159_1::Something] diff --git a/src/test/rustdoc/intra-doc/non-path-primitives.rs b/src/test/rustdoc/intra-doc/non-path-primitives.rs index ffa02b0c635b..ee71537d1553 100644 --- a/src/test/rustdoc/intra-doc/non-path-primitives.rs +++ b/src/test/rustdoc/intra-doc/non-path-primitives.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![crate_name = "foo"] #![feature(intra_doc_pointers)] #![deny(rustdoc::broken_intra_doc_links)] diff --git a/src/test/rustdoc/intra-doc/prim-assoc.rs b/src/test/rustdoc/intra-doc/prim-assoc.rs index d687cbd69bb1..4099ececfaf7 100644 --- a/src/test/rustdoc/intra-doc/prim-assoc.rs +++ b/src/test/rustdoc/intra-doc/prim-assoc.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![deny(broken_intra_doc_links)] //! [i32::MAX] diff --git a/src/test/rustdoc/intra-doc/prim-methods-external-core.rs b/src/test/rustdoc/intra-doc/prim-methods-external-core.rs index 434e03389835..695a7fbfb534 100644 --- a/src/test/rustdoc/intra-doc/prim-methods-external-core.rs +++ b/src/test/rustdoc/intra-doc/prim-methods-external-core.rs @@ -2,7 +2,6 @@ // build-aux-docs // ignore-cross-compile // ignore-windows -// ignore-tidy-linelength #![deny(broken_intra_doc_links)] #![feature(no_core, lang_items)] diff --git a/src/test/rustdoc/intra-doc/prim-methods-local.rs b/src/test/rustdoc/intra-doc/prim-methods-local.rs index 9888f29db5ba..f0b939a468c0 100644 --- a/src/test/rustdoc/intra-doc/prim-methods-local.rs +++ b/src/test/rustdoc/intra-doc/prim-methods-local.rs @@ -3,7 +3,6 @@ #![no_core] #![crate_type = "rlib"] -// ignore-tidy-linelength // @has prim_methods_local/index.html // @has - '//*[@id="main"]//a[@href="https://doc.rust-lang.org/nightly/std/primitive.char.html"]' 'char' diff --git a/src/test/rustdoc/intra-doc/prim-methods.rs b/src/test/rustdoc/intra-doc/prim-methods.rs index f19cff7d34af..6de15e76d15c 100644 --- a/src/test/rustdoc/intra-doc/prim-methods.rs +++ b/src/test/rustdoc/intra-doc/prim-methods.rs @@ -1,6 +1,5 @@ #![deny(broken_intra_doc_links)] -// ignore-tidy-linelength // @has prim_methods/index.html // @has - '//*[@id="main"]//a[@href="https://doc.rust-lang.org/nightly/std/primitive.char.html"]' 'char' diff --git a/src/test/rustdoc/intra-doc/prim-precedence.rs b/src/test/rustdoc/intra-doc/prim-precedence.rs index ed2c2cda7184..ab6e3da17f4e 100644 --- a/src/test/rustdoc/intra-doc/prim-precedence.rs +++ b/src/test/rustdoc/intra-doc/prim-precedence.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![deny(broken_intra_doc_links)] pub mod char { diff --git a/src/test/rustdoc/intra-doc/primitive-non-default-impl.rs b/src/test/rustdoc/intra-doc/primitive-non-default-impl.rs index 548eb090a327..cf83ead4db72 100644 --- a/src/test/rustdoc/intra-doc/primitive-non-default-impl.rs +++ b/src/test/rustdoc/intra-doc/primitive-non-default-impl.rs @@ -1,6 +1,5 @@ #![deny(broken_intra_doc_links)] -// ignore-tidy-linelength // @has primitive_non_default_impl/fn.str_methods.html /// [`str::trim`] diff --git a/src/test/rustdoc/intra-doc/private.rs b/src/test/rustdoc/intra-doc/private.rs index f86ca44403d9..337102d6ab3f 100644 --- a/src/test/rustdoc/intra-doc/private.rs +++ b/src/test/rustdoc/intra-doc/private.rs @@ -1,6 +1,17 @@ #![crate_name = "private"] // compile-flags: --document-private-items -/// docs [DontDocMe] + +// make sure to update `rustdoc-ui/intra-doc/private.rs` if you update this file + +/// docs [DontDocMe] [DontDocMe::f] [DontDocMe::x] // @has private/struct.DocMe.html '//*a[@href="../private/struct.DontDocMe.html"]' 'DontDocMe' +// @has private/struct.DocMe.html '//*a[@href="../private/struct.DontDocMe.html#method.f"]' 'DontDocMe::f' +// @has private/struct.DocMe.html '//*a[@href="../private/struct.DontDocMe.html#structfield.x"]' 'DontDocMe::x' pub struct DocMe; -struct DontDocMe; +struct DontDocMe { + x: usize, +} + +impl DontDocMe { + fn f() {} +} diff --git a/src/test/rustdoc/intra-doc/self.rs b/src/test/rustdoc/intra-doc/self.rs index 81545fec7411..b2b75127b312 100644 --- a/src/test/rustdoc/intra-doc/self.rs +++ b/src/test/rustdoc/intra-doc/self.rs @@ -1,6 +1,5 @@ #![crate_name = "foo"] -// ignore-tidy-linelength // @has foo/index.html '//a/@href' '../foo/struct.Foo.html#method.new' // @has foo/struct.Foo.html '//a/@href' '../foo/struct.Foo.html#method.new' diff --git a/src/test/rustdoc/intra-doc/trait-impl.rs b/src/test/rustdoc/intra-doc/trait-impl.rs index fab8406d525e..ef1987a829ad 100644 --- a/src/test/rustdoc/intra-doc/trait-impl.rs +++ b/src/test/rustdoc/intra-doc/trait-impl.rs @@ -1,6 +1,5 @@ #![crate_name = "foo"] -// ignore-tidy-linelength pub struct MyStruct; diff --git a/src/test/rustdoc/intra-doc/trait-item.rs b/src/test/rustdoc/intra-doc/trait-item.rs index de8585f4c9a7..affd2aaec2d2 100644 --- a/src/test/rustdoc/intra-doc/trait-item.rs +++ b/src/test/rustdoc/intra-doc/trait-item.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![deny(broken_intra_doc_links)] /// Link to [S::assoc_fn()] diff --git a/src/test/rustdoc/intra-doc/true-false.rs b/src/test/rustdoc/intra-doc/true-false.rs index 7b21e9341474..db637ece3699 100644 --- a/src/test/rustdoc/intra-doc/true-false.rs +++ b/src/test/rustdoc/intra-doc/true-false.rs @@ -1,7 +1,6 @@ #![deny(broken_intra_doc_links)] #![crate_name = "foo"] -// ignore-tidy-linelength // @has foo/index.html // @has - '//*[@id="main"]//a[@href="https://doc.rust-lang.org/nightly/std/primitive.bool.html"]' 'true' diff --git a/src/test/rustdoc/issue-29503.rs b/src/test/rustdoc/issue-29503.rs index d7e0f37b2866..19bab394dcf2 100644 --- a/src/test/rustdoc/issue-29503.rs +++ b/src/test/rustdoc/issue-29503.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - use std::fmt; // @has issue_29503/trait.MyTrait.html diff --git a/src/test/rustdoc/issue-55364.rs b/src/test/rustdoc/issue-55364.rs index 200a29fc7eea..4aa553f77933 100644 --- a/src/test/rustdoc/issue-55364.rs +++ b/src/test/rustdoc/issue-55364.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // First a module with inner documentation // @has issue_55364/subone/index.html diff --git a/src/test/rustdoc/issue-66159.rs b/src/test/rustdoc/issue-66159.rs deleted file mode 100644 index 003d079a470c..000000000000 --- a/src/test/rustdoc/issue-66159.rs +++ /dev/null @@ -1,10 +0,0 @@ -// aux-crate:priv:issue_66159_1=issue-66159-1.rs -// compile-flags:-Z unstable-options - -// The issue was an ICE which meant that we never actually generated the docs -// so if we have generated the docs, we're okay. -// Since we don't generate the docs for the auxiliary files, we can't actually -// verify that the struct is linked correctly. - -// @has issue_66159/index.html -//! [issue_66159_1::Something] diff --git a/src/test/rustdoc/issue-75588.rs b/src/test/rustdoc/issue-75588.rs index 835ed02ac00d..aebffeff5f05 100644 --- a/src/test/rustdoc/issue-75588.rs +++ b/src/test/rustdoc/issue-75588.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // aux-build:realcore.rs // aux-build:real_gimli.rs diff --git a/src/test/rustdoc/playground-arg.rs b/src/test/rustdoc/playground-arg.rs index dbe2297f8188..69c896265393 100644 --- a/src/test/rustdoc/playground-arg.rs +++ b/src/test/rustdoc/playground-arg.rs @@ -1,5 +1,4 @@ // compile-flags: --playground-url=https://example.com/ -Z unstable-options -// ignore-tidy-linelength #![crate_name = "foo"] diff --git a/src/test/rustdoc/playground.rs b/src/test/rustdoc/playground.rs index 9971c7b4297a..877ea1cfba15 100644 --- a/src/test/rustdoc/playground.rs +++ b/src/test/rustdoc/playground.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![crate_name = "foo"] #![doc(html_playground_url = "https://www.example.com/")] diff --git a/src/test/rustdoc/primitive-link.rs b/src/test/rustdoc/primitive-link.rs index 3041ff77684c..dd455e45bfc2 100644 --- a/src/test/rustdoc/primitive-link.rs +++ b/src/test/rustdoc/primitive-link.rs @@ -1,6 +1,5 @@ #![crate_name = "foo"] -// ignore-tidy-linelength // @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="https://doc.rust-lang.org/nightly/std/primitive.u32.html"]' 'u32' // @has foo/struct.Foo.html '//*[@class="docblock"]/p/a[@href="https://doc.rust-lang.org/nightly/std/primitive.i64.html"]' 'i64' diff --git a/src/test/rustdoc/raw-ident-eliminate-r-hashtag.rs b/src/test/rustdoc/raw-ident-eliminate-r-hashtag.rs index f895a4c2104b..3ecf434c39e4 100644 --- a/src/test/rustdoc/raw-ident-eliminate-r-hashtag.rs +++ b/src/test/rustdoc/raw-ident-eliminate-r-hashtag.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![crate_type="lib"] pub mod internal { diff --git a/src/test/rustdoc/smart-punct.rs b/src/test/rustdoc/smart-punct.rs index a1ca2699554e..5319892c99c2 100644 --- a/src/test/rustdoc/smart-punct.rs +++ b/src/test/rustdoc/smart-punct.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![crate_name = "foo"] //! This is the "start" of the 'document'! How'd you know that "it's" the start? diff --git a/src/test/rustdoc/src-links-external.rs b/src/test/rustdoc/src-links-external.rs index 0469e4ad6247..8012e442213b 100644 --- a/src/test/rustdoc/src-links-external.rs +++ b/src/test/rustdoc/src-links-external.rs @@ -1,7 +1,6 @@ // aux-build:src-links-external.rs // build-aux-docs // ignore-cross-compile -// ignore-tidy-linelength #![crate_name = "foo"] diff --git a/src/test/rustdoc/struct-arg-pattern.rs b/src/test/rustdoc/struct-arg-pattern.rs new file mode 100644 index 000000000000..3c0369e3d341 --- /dev/null +++ b/src/test/rustdoc/struct-arg-pattern.rs @@ -0,0 +1,10 @@ +#![crate_name = "foo"] + +struct BodyId { + hir_id: usize, +} + +// @has 'foo/fn.body_owner.html' '//*[@class="rust fn"]' 'pub fn body_owner(_: BodyId)' +pub fn body_owner(BodyId { hir_id }: BodyId) { + // ... +} diff --git a/src/test/rustdoc/struct-field.rs b/src/test/rustdoc/struct-field.rs index 532e29bc691c..974b863bb160 100644 --- a/src/test/rustdoc/struct-field.rs +++ b/src/test/rustdoc/struct-field.rs @@ -1,6 +1,5 @@ #![crate_name = "foo"] -// ignore-tidy-linelength // @has foo/index.html '//*[@class="docblock"]/p/a[@href="../foo/struct.Foo.html#structfield.bar"]' 'Foo::bar' // @has foo/index.html '//*[@class="docblock"]/p/a[@href="../foo/union.Bar.html#structfield.foo"]' 'Bar::foo' diff --git a/src/test/rustdoc/trait-attributes.rs b/src/test/rustdoc/trait-attributes.rs index a6ee046edec8..2a103509ae19 100644 --- a/src/test/rustdoc/trait-attributes.rs +++ b/src/test/rustdoc/trait-attributes.rs @@ -1,6 +1,5 @@ #![crate_name = "foo"] -// ignore-tidy-linelength pub trait Foo { // @has foo/trait.Foo.html '//h3[@id="tymethod.foo"]//span[@class="docblock attributes"]' '#[must_use]' diff --git a/src/test/ui-fulldeps/auxiliary/lint-for-crate-rpass.rs b/src/test/ui-fulldeps/auxiliary/lint-for-crate-rpass.rs index 8b1a3887f157..51cea4f6ba91 100644 --- a/src/test/ui-fulldeps/auxiliary/lint-for-crate-rpass.rs +++ b/src/test/ui-fulldeps/auxiliary/lint-for-crate-rpass.rs @@ -33,7 +33,7 @@ macro_rules! fake_lint_pass { if !cx.sess().contains_name(attrs, $attr) { cx.lint(CRATE_NOT_OKAY, |lint| { let msg = format!("crate is not marked with #![{}]", $attr); - lint.build(&msg).set_span(krate.item.span).emit() + lint.build(&msg).set_span(krate.item.inner).emit() }); } )* diff --git a/src/test/ui-fulldeps/auxiliary/lint-for-crate.rs b/src/test/ui-fulldeps/auxiliary/lint-for-crate.rs index c9269d2b9baa..ef5353e6d8cf 100644 --- a/src/test/ui-fulldeps/auxiliary/lint-for-crate.rs +++ b/src/test/ui-fulldeps/auxiliary/lint-for-crate.rs @@ -31,7 +31,7 @@ impl<'tcx> LateLintPass<'tcx> for Pass { if !cx.sess().contains_name(attrs, Symbol::intern("crate_okay")) { cx.lint(CRATE_NOT_OKAY, |lint| { lint.build("crate is not marked with #![crate_okay]") - .set_span(krate.item.span) + .set_span(krate.item.inner) .emit() }); } diff --git a/src/test/ui/asm/bad-reg.rs b/src/test/ui/asm/bad-reg.rs index 016ea9329c4d..da302b248760 100644 --- a/src/test/ui/asm/bad-reg.rs +++ b/src/test/ui/asm/bad-reg.rs @@ -37,6 +37,8 @@ fn main() { //~^ ERROR invalid register `mm0`: MMX registers are not currently supported as operands asm!("", in("k0") foo); //~^ ERROR invalid register `k0`: the k0 AVX mask register cannot be used as an operand + asm!("", in("ah") foo); + //~^ ERROR invalid register `ah`: high byte registers cannot be used as an operand // Explicit register conflicts // (except in/lateout which don't conflict) diff --git a/src/test/ui/asm/bad-reg.stderr b/src/test/ui/asm/bad-reg.stderr index c6b7d310dfa6..2bfb4854c344 100644 --- a/src/test/ui/asm/bad-reg.stderr +++ b/src/test/ui/asm/bad-reg.stderr @@ -94,8 +94,14 @@ error: invalid register `k0`: the k0 AVX mask register cannot be used as an oper LL | asm!("", in("k0") foo); | ^^^^^^^^^^^^ +error: invalid register `ah`: high byte registers cannot be used as an operand on x86_64 + --> $DIR/bad-reg.rs:40:18 + | +LL | asm!("", in("ah") foo); + | ^^^^^^^^^^^^ + error: register `al` conflicts with register `ax` - --> $DIR/bad-reg.rs:44:33 + --> $DIR/bad-reg.rs:46:33 | LL | asm!("", in("eax") foo, in("al") bar); | ------------- ^^^^^^^^^^^^ register `al` @@ -103,7 +109,7 @@ LL | asm!("", in("eax") foo, in("al") bar); | register `ax` error: register `ax` conflicts with register `ax` - --> $DIR/bad-reg.rs:46:33 + --> $DIR/bad-reg.rs:48:33 | LL | asm!("", in("rax") foo, out("rax") bar); | ------------- ^^^^^^^^^^^^^^ register `ax` @@ -111,13 +117,13 @@ LL | asm!("", in("rax") foo, out("rax") bar); | register `ax` | help: use `lateout` instead of `out` to avoid conflict - --> $DIR/bad-reg.rs:46:18 + --> $DIR/bad-reg.rs:48:18 | LL | asm!("", in("rax") foo, out("rax") bar); | ^^^^^^^^^^^^^ error: register `ymm0` conflicts with register `xmm0` - --> $DIR/bad-reg.rs:49:34 + --> $DIR/bad-reg.rs:51:34 | LL | asm!("", in("xmm0") foo, in("ymm0") bar); | -------------- ^^^^^^^^^^^^^^ register `ymm0` @@ -125,7 +131,7 @@ LL | asm!("", in("xmm0") foo, in("ymm0") bar); | register `xmm0` error: register `ymm0` conflicts with register `xmm0` - --> $DIR/bad-reg.rs:51:34 + --> $DIR/bad-reg.rs:53:34 | LL | asm!("", in("xmm0") foo, out("ymm0") bar); | -------------- ^^^^^^^^^^^^^^^ register `ymm0` @@ -133,10 +139,10 @@ LL | asm!("", in("xmm0") foo, out("ymm0") bar); | register `xmm0` | help: use `lateout` instead of `out` to avoid conflict - --> $DIR/bad-reg.rs:51:18 + --> $DIR/bad-reg.rs:53:18 | LL | asm!("", in("xmm0") foo, out("ymm0") bar); | ^^^^^^^^^^^^^^ -error: aborting due to 18 previous errors +error: aborting due to 19 previous errors diff --git a/src/test/ui/asm/const.rs b/src/test/ui/asm/const.rs index 22bc790713dd..0f6a7cd44749 100644 --- a/src/test/ui/asm/const.rs +++ b/src/test/ui/asm/const.rs @@ -4,38 +4,18 @@ #![feature(asm)] -use std::mem::size_of; - -trait Proj { - const C: usize; -} -impl Proj for i8 { - const C: usize = 8; -} -impl Proj for i16 { - const C: usize = 16; +fn const_generic() -> usize { + unsafe { + let a: usize; + asm!("mov {}, {}", out(reg) a, const X); + a + } } const fn constfn(x: usize) -> usize { x } -fn generic() { - unsafe { - let a: usize; - asm!("mov {}, {}", out(reg) a, const size_of::()); - assert_eq!(a, size_of::()); - - let b: usize; - asm!("mov {}, {}", out(reg) b, const size_of::() + constfn(5)); - assert_eq!(b, size_of::() + 5); - - let c: usize; - asm!("mov {}, {}", out(reg) c, const T::C); - assert_eq!(c, T::C); - } -} - fn main() { unsafe { let a: usize; @@ -51,6 +31,6 @@ fn main() { assert_eq!(c, 10); } - generic::(); - generic::(); + let d = const_generic::<5>(); + assert_eq!(d, 5); } diff --git a/src/test/ui/asm/parse-error.rs b/src/test/ui/asm/parse-error.rs index 538a3fde8fde..f2e9d9ca08b2 100644 --- a/src/test/ui/asm/parse-error.rs +++ b/src/test/ui/asm/parse-error.rs @@ -36,17 +36,23 @@ fn main() { //~^ ERROR expected one of asm!("{}", options(), const foo); //~^ ERROR arguments are not allowed after options + //~^^ ERROR attempt to use a non-constant value in a constant asm!("{a}", a = const foo, a = const bar); //~^ ERROR duplicate argument named `a` //~^^ ERROR argument never used + //~^^^ ERROR attempt to use a non-constant value in a constant + //~^^^^ ERROR attempt to use a non-constant value in a constant asm!("", a = in("eax") foo); //~^ ERROR explicit register arguments cannot have names asm!("{a}", in("eax") foo, a = const bar); //~^ ERROR named arguments cannot follow explicit register arguments + //~^^ ERROR attempt to use a non-constant value in a constant asm!("{a}", in("eax") foo, a = const bar); //~^ ERROR named arguments cannot follow explicit register arguments + //~^^ ERROR attempt to use a non-constant value in a constant asm!("{1}", in("eax") foo, const bar); //~^ ERROR positional arguments cannot follow named arguments or explicit register arguments + //~^^ ERROR attempt to use a non-constant value in a constant asm!("", options(), ""); //~^ ERROR expected one of asm!("{}", in(reg) foo, "{}", out(reg) foo); diff --git a/src/test/ui/asm/parse-error.stderr b/src/test/ui/asm/parse-error.stderr index dfbfc0abe347..4ab9d86948de 100644 --- a/src/test/ui/asm/parse-error.stderr +++ b/src/test/ui/asm/parse-error.stderr @@ -91,7 +91,7 @@ LL | asm!("{}", options(), const foo); | previous options error: duplicate argument named `a` - --> $DIR/parse-error.rs:39:36 + --> $DIR/parse-error.rs:40:36 | LL | asm!("{a}", a = const foo, a = const bar); | ------------- ^^^^^^^^^^^^^ duplicate argument @@ -99,7 +99,7 @@ LL | asm!("{a}", a = const foo, a = const bar); | previously here error: argument never used - --> $DIR/parse-error.rs:39:36 + --> $DIR/parse-error.rs:40:36 | LL | asm!("{a}", a = const foo, a = const bar); | ^^^^^^^^^^^^^ argument never used @@ -107,13 +107,13 @@ LL | asm!("{a}", a = const foo, a = const bar); = help: if this argument is intentionally unused, consider using it in an asm comment: `"/* {1} */"` error: explicit register arguments cannot have names - --> $DIR/parse-error.rs:42:18 + --> $DIR/parse-error.rs:45:18 | LL | asm!("", a = in("eax") foo); | ^^^^^^^^^^^^^^^^^ error: named arguments cannot follow explicit register arguments - --> $DIR/parse-error.rs:44:36 + --> $DIR/parse-error.rs:47:36 | LL | asm!("{a}", in("eax") foo, a = const bar); | ------------- ^^^^^^^^^^^^^ named argument @@ -121,7 +121,7 @@ LL | asm!("{a}", in("eax") foo, a = const bar); | explicit register argument error: named arguments cannot follow explicit register arguments - --> $DIR/parse-error.rs:46:36 + --> $DIR/parse-error.rs:50:36 | LL | asm!("{a}", in("eax") foo, a = const bar); | ------------- ^^^^^^^^^^^^^ named argument @@ -129,7 +129,7 @@ LL | asm!("{a}", in("eax") foo, a = const bar); | explicit register argument error: positional arguments cannot follow named arguments or explicit register arguments - --> $DIR/parse-error.rs:48:36 + --> $DIR/parse-error.rs:53:36 | LL | asm!("{1}", in("eax") foo, const bar); | ------------- ^^^^^^^^^ positional argument @@ -137,19 +137,19 @@ LL | asm!("{1}", in("eax") foo, const bar); | explicit register argument error: expected one of `const`, `in`, `inlateout`, `inout`, `lateout`, `options`, `out`, or `sym`, found `""` - --> $DIR/parse-error.rs:50:29 + --> $DIR/parse-error.rs:56:29 | LL | asm!("", options(), ""); | ^^ expected one of 8 possible tokens error: expected one of `const`, `in`, `inlateout`, `inout`, `lateout`, `options`, `out`, or `sym`, found `"{}"` - --> $DIR/parse-error.rs:52:33 + --> $DIR/parse-error.rs:58:33 | LL | asm!("{}", in(reg) foo, "{}", out(reg) foo); | ^^^^ expected one of 8 possible tokens error: asm template must be a string literal - --> $DIR/parse-error.rs:54:14 + --> $DIR/parse-error.rs:60:14 | LL | asm!(format!("{{{}}}", 0), in(reg) foo); | ^^^^^^^^^^^^^^^^^^^^ @@ -157,12 +157,67 @@ LL | asm!(format!("{{{}}}", 0), in(reg) foo); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: asm template must be a string literal - --> $DIR/parse-error.rs:56:21 + --> $DIR/parse-error.rs:62:21 | LL | asm!("{1}", format!("{{{}}}", 0), in(reg) foo, out(reg) bar); | ^^^^^^^^^^^^^^^^^^^^ | = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 25 previous errors +error[E0435]: attempt to use a non-constant value in a constant + --> $DIR/parse-error.rs:37:37 + | +LL | let mut foo = 0; + | ---------- help: consider using `const` instead of `let`: `const foo` +... +LL | asm!("{}", options(), const foo); + | ^^^ non-constant value + +error[E0435]: attempt to use a non-constant value in a constant + --> $DIR/parse-error.rs:40:31 + | +LL | let mut foo = 0; + | ---------- help: consider using `const` instead of `let`: `const foo` +... +LL | asm!("{a}", a = const foo, a = const bar); + | ^^^ non-constant value + +error[E0435]: attempt to use a non-constant value in a constant + --> $DIR/parse-error.rs:40:46 + | +LL | let mut bar = 0; + | ---------- help: consider using `const` instead of `let`: `const bar` +... +LL | asm!("{a}", a = const foo, a = const bar); + | ^^^ non-constant value + +error[E0435]: attempt to use a non-constant value in a constant + --> $DIR/parse-error.rs:47:46 + | +LL | let mut bar = 0; + | ---------- help: consider using `const` instead of `let`: `const bar` +... +LL | asm!("{a}", in("eax") foo, a = const bar); + | ^^^ non-constant value + +error[E0435]: attempt to use a non-constant value in a constant + --> $DIR/parse-error.rs:50:46 + | +LL | let mut bar = 0; + | ---------- help: consider using `const` instead of `let`: `const bar` +... +LL | asm!("{a}", in("eax") foo, a = const bar); + | ^^^ non-constant value + +error[E0435]: attempt to use a non-constant value in a constant + --> $DIR/parse-error.rs:53:42 + | +LL | let mut bar = 0; + | ---------- help: consider using `const` instead of `let`: `const bar` +... +LL | asm!("{1}", in("eax") foo, const bar); + | ^^^ non-constant value + +error: aborting due to 31 previous errors +For more information about this error, try `rustc --explain E0435`. diff --git a/src/test/ui/asm/type-check-1.rs b/src/test/ui/asm/type-check-1.rs index 7880382c3b74..57a91aaa934e 100644 --- a/src/test/ui/asm/type-check-1.rs +++ b/src/test/ui/asm/type-check-1.rs @@ -21,5 +21,23 @@ fn main() { //~^ ERROR the size for values of type `[u64]` cannot be known at compilation time asm!("{}", inout(reg) v[..]); //~^ ERROR the size for values of type `[u64]` cannot be known at compilation time + + // Constants must be... constant + + let x = 0; + const fn const_foo(x: i32) -> i32 { + x + } + const fn const_bar(x: T) -> T { + x + } + asm!("{}", const x); + //~^ ERROR attempt to use a non-constant value in a constant + asm!("{}", const const_foo(0)); + asm!("{}", const const_foo(x)); + //~^ ERROR attempt to use a non-constant value in a constant + asm!("{}", const const_bar(0)); + asm!("{}", const const_bar(x)); + //~^ ERROR attempt to use a non-constant value in a constant } } diff --git a/src/test/ui/asm/type-check-1.stderr b/src/test/ui/asm/type-check-1.stderr index 556e83fdb0d4..eefab6d39778 100644 --- a/src/test/ui/asm/type-check-1.stderr +++ b/src/test/ui/asm/type-check-1.stderr @@ -1,3 +1,30 @@ +error[E0435]: attempt to use a non-constant value in a constant + --> $DIR/type-check-1.rs:34:26 + | +LL | let x = 0; + | ----- help: consider using `const` instead of `let`: `const x` +... +LL | asm!("{}", const x); + | ^ non-constant value + +error[E0435]: attempt to use a non-constant value in a constant + --> $DIR/type-check-1.rs:37:36 + | +LL | let x = 0; + | ----- help: consider using `const` instead of `let`: `const x` +... +LL | asm!("{}", const const_foo(x)); + | ^ non-constant value + +error[E0435]: attempt to use a non-constant value in a constant + --> $DIR/type-check-1.rs:40:36 + | +LL | let x = 0; + | ----- help: consider using `const` instead of `let`: `const x` +... +LL | asm!("{}", const const_bar(x)); + | ^ non-constant value + error: invalid asm output --> $DIR/type-check-1.rs:10:29 | @@ -37,6 +64,7 @@ LL | asm!("{}", inout(reg) v[..]); = help: the trait `Sized` is not implemented for `[u64]` = note: all inline asm arguments must have a statically known size -error: aborting due to 5 previous errors +error: aborting due to 8 previous errors -For more information about this error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0277, E0435. +For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/asm/type-check-2.rs b/src/test/ui/asm/type-check-2.rs index 01c8b4eb6540..0677167ccfe7 100644 --- a/src/test/ui/asm/type-check-2.rs +++ b/src/test/ui/asm/type-check-2.rs @@ -28,31 +28,19 @@ fn main() { // Const operands must be integer or floats, and must be constants. - let x = 0; - const C: i32 = 0; - const fn const_foo(x: i32) -> i32 { - x - } - const fn const_bar(x: T) -> T { - x - } + asm!("{}", const 0); asm!("{}", const 0i32); asm!("{}", const 0f32); asm!("{}", const 0 as *mut u8); //~^ ERROR asm `const` arguments must be integer or floating-point values - asm!("{}", const &0); - //~^ ERROR asm `const` arguments must be integer or floating-point values - asm!("{}", const x); - //~^ ERROR argument 1 is required to be a constant - asm!("{}", const const_foo(0)); - asm!("{}", const const_foo(x)); - //~^ ERROR argument 1 is required to be a constant - asm!("{}", const const_bar(0)); - asm!("{}", const const_bar(x)); - //~^ ERROR argument 1 is required to be a constant + + // This currently causes an ICE: https://github.com/rust-lang/rust/issues/81857 + // asm!("{}", const &0); + // ERROR asm `const` arguments must be integer or floating-point values // Sym operands must point to a function or static + const C: i32 = 0; static S: i32 = 0; asm!("{}", sym S); asm!("{}", sym main); diff --git a/src/test/ui/asm/type-check-2.stderr b/src/test/ui/asm/type-check-2.stderr index a520bea8f1da..830ca7b55509 100644 --- a/src/test/ui/asm/type-check-2.stderr +++ b/src/test/ui/asm/type-check-2.stderr @@ -1,25 +1,19 @@ error: asm `const` arguments must be integer or floating-point values - --> $DIR/type-check-2.rs:41:26 + --> $DIR/type-check-2.rs:34:20 | LL | asm!("{}", const 0 as *mut u8); - | ^^^^^^^^^^^^ - -error: asm `const` arguments must be integer or floating-point values - --> $DIR/type-check-2.rs:43:26 - | -LL | asm!("{}", const &0); - | ^^ + | ^^^^^^^^^^^^^^^^^^ error: arguments for inline assembly must be copyable - --> $DIR/type-check-2.rs:66:32 + --> $DIR/type-check-2.rs:54:32 | LL | asm!("{}", in(xmm_reg) SimdNonCopy(0.0, 0.0, 0.0, 0.0)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `SimdNonCopy` does not implement the Copy trait -error: cannot use value of type `[closure@$DIR/type-check-2.rs:78:28: 78:38]` for inline assembly - --> $DIR/type-check-2.rs:78:28 +error: cannot use value of type `[closure@$DIR/type-check-2.rs:66:28: 66:38]` for inline assembly + --> $DIR/type-check-2.rs:66:28 | LL | asm!("{}", in(reg) |x: i32| x); | ^^^^^^^^^^ @@ -27,7 +21,7 @@ LL | asm!("{}", in(reg) |x: i32| x); = note: only integers, floats, SIMD vectors, pointers and function pointers can be used as arguments for inline assembly error: cannot use value of type `Vec` for inline assembly - --> $DIR/type-check-2.rs:80:28 + --> $DIR/type-check-2.rs:68:28 | LL | asm!("{}", in(reg) vec![0]); | ^^^^^^^ @@ -36,7 +30,7 @@ LL | asm!("{}", in(reg) vec![0]); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: cannot use value of type `(i32, i32, i32)` for inline assembly - --> $DIR/type-check-2.rs:82:28 + --> $DIR/type-check-2.rs:70:28 | LL | asm!("{}", in(reg) (1, 2, 3)); | ^^^^^^^^^ @@ -44,7 +38,7 @@ LL | asm!("{}", in(reg) (1, 2, 3)); = note: only integers, floats, SIMD vectors, pointers and function pointers can be used as arguments for inline assembly error: cannot use value of type `[i32; 3]` for inline assembly - --> $DIR/type-check-2.rs:84:28 + --> $DIR/type-check-2.rs:72:28 | LL | asm!("{}", in(reg) [1, 2, 3]); | ^^^^^^^^^ @@ -52,7 +46,7 @@ LL | asm!("{}", in(reg) [1, 2, 3]); = note: only integers, floats, SIMD vectors, pointers and function pointers can be used as arguments for inline assembly error: cannot use value of type `fn() {main}` for inline assembly - --> $DIR/type-check-2.rs:92:31 + --> $DIR/type-check-2.rs:80:31 | LL | asm!("{}", inout(reg) f); | ^ @@ -60,7 +54,7 @@ LL | asm!("{}", inout(reg) f); = note: only integers, floats, SIMD vectors, pointers and function pointers can be used as arguments for inline assembly error: cannot use value of type `&mut i32` for inline assembly - --> $DIR/type-check-2.rs:95:31 + --> $DIR/type-check-2.rs:83:31 | LL | asm!("{}", inout(reg) r); | ^ @@ -68,35 +62,17 @@ LL | asm!("{}", inout(reg) r); = note: only integers, floats, SIMD vectors, pointers and function pointers can be used as arguments for inline assembly error: asm `sym` operand must point to a fn or static - --> $DIR/type-check-2.rs:59:24 + --> $DIR/type-check-2.rs:47:24 | LL | asm!("{}", sym C); | ^ error: asm `sym` operand must point to a fn or static - --> $DIR/type-check-2.rs:61:24 + --> $DIR/type-check-2.rs:49:24 | LL | asm!("{}", sym x); | ^ -error: argument 1 is required to be a constant - --> $DIR/type-check-2.rs:45:9 - | -LL | asm!("{}", const x); - | ^^^^^^^^^^^^^^^^^^^^ - -error: argument 1 is required to be a constant - --> $DIR/type-check-2.rs:48:9 - | -LL | asm!("{}", const const_foo(x)); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: argument 1 is required to be a constant - --> $DIR/type-check-2.rs:51:9 - | -LL | asm!("{}", const const_bar(x)); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - error[E0381]: use of possibly-uninitialized variable: `x` --> $DIR/type-check-2.rs:13:28 | @@ -127,7 +103,7 @@ LL | let v: Vec = vec![0, 1, 2]; LL | asm!("{}", inout(reg) v[0]); | ^ cannot borrow as mutable -error: aborting due to 18 previous errors +error: aborting due to 14 previous errors Some errors have detailed explanations: E0381, E0596. For more information about an error, try `rustc --explain E0381`. diff --git a/src/test/ui/associated-type-bounds/ambiguous-associated-type2.rs b/src/test/ui/associated-type-bounds/ambiguous-associated-type2.rs index 1b6d6d0ff599..48de593342fa 100644 --- a/src/test/ui/associated-type-bounds/ambiguous-associated-type2.rs +++ b/src/test/ui/associated-type-bounds/ambiguous-associated-type2.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - trait Foo { type Item; } diff --git a/src/test/ui/associated-type-bounds/ambiguous-associated-type2.stderr b/src/test/ui/associated-type-bounds/ambiguous-associated-type2.stderr index bda1debeac0d..e72ef0e4b332 100644 --- a/src/test/ui/associated-type-bounds/ambiguous-associated-type2.stderr +++ b/src/test/ui/associated-type-bounds/ambiguous-associated-type2.stderr @@ -1,12 +1,12 @@ error[E0391]: cycle detected when computing the super traits of `Baz` with associated type name `Item` - --> $DIR/ambiguous-associated-type2.rs:9:1 + --> $DIR/ambiguous-associated-type2.rs:7:1 | LL | trait Baz: Foo + Bar {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: ...which again requires computing the super traits of `Baz` with associated type name `Item`, completing the cycle note: cycle used when computing the super traits of `Baz` - --> $DIR/ambiguous-associated-type2.rs:9:1 + --> $DIR/ambiguous-associated-type2.rs:7:1 | LL | trait Baz: Foo + Bar {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/associated-type-bounds/duplicate.full_tait.stderr b/src/test/ui/associated-type-bounds/duplicate.full_tait.stderr index bde2d034e254..bd3cac1f887b 100644 --- a/src/test/ui/associated-type-bounds/duplicate.full_tait.stderr +++ b/src/test/ui/associated-type-bounds/duplicate.full_tait.stderr @@ -1,5 +1,5 @@ warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/duplicate.rs:6:32 + --> $DIR/duplicate.rs:4:32 | LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] | ^^^^^^^^^^^^^^^^^^^^^ @@ -8,7 +8,7 @@ LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] = note: see issue #63063 for more information warning: the feature `impl_trait_in_bindings` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/duplicate.rs:8:12 + --> $DIR/duplicate.rs:6:12 | LL | #![feature(impl_trait_in_bindings)] | ^^^^^^^^^^^^^^^^^^^^^^ @@ -16,7 +16,7 @@ LL | #![feature(impl_trait_in_bindings)] = note: see issue #63065 for more information error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:13:36 + --> $DIR/duplicate.rs:11:36 | LL | struct SI1> { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -24,7 +24,7 @@ LL | struct SI1> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:15:36 + --> $DIR/duplicate.rs:13:36 | LL | struct SI2> { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -32,7 +32,7 @@ LL | struct SI2> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:17:39 + --> $DIR/duplicate.rs:15:39 | LL | struct SI3> { f: T } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -40,7 +40,7 @@ LL | struct SI3> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:19:45 + --> $DIR/duplicate.rs:17:45 | LL | struct SW1 where T: Iterator { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -48,7 +48,7 @@ LL | struct SW1 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:21:45 + --> $DIR/duplicate.rs:19:45 | LL | struct SW2 where T: Iterator { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -56,7 +56,7 @@ LL | struct SW2 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:23:48 + --> $DIR/duplicate.rs:21:48 | LL | struct SW3 where T: Iterator { f: T } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -64,7 +64,7 @@ LL | struct SW3 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:26:34 + --> $DIR/duplicate.rs:24:34 | LL | enum EI1> { V(T) } | ---------- ^^^^^^^^^^ re-bound here @@ -72,7 +72,7 @@ LL | enum EI1> { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:28:34 + --> $DIR/duplicate.rs:26:34 | LL | enum EI2> { V(T) } | ---------- ^^^^^^^^^^ re-bound here @@ -80,7 +80,7 @@ LL | enum EI2> { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:30:37 + --> $DIR/duplicate.rs:28:37 | LL | enum EI3> { V(T) } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -88,7 +88,7 @@ LL | enum EI3> { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:32:43 + --> $DIR/duplicate.rs:30:43 | LL | enum EW1 where T: Iterator { V(T) } | ---------- ^^^^^^^^^^ re-bound here @@ -96,7 +96,7 @@ LL | enum EW1 where T: Iterator { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:34:43 + --> $DIR/duplicate.rs:32:43 | LL | enum EW2 where T: Iterator { V(T) } | ---------- ^^^^^^^^^^ re-bound here @@ -104,7 +104,7 @@ LL | enum EW2 where T: Iterator { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:36:46 + --> $DIR/duplicate.rs:34:46 | LL | enum EW3 where T: Iterator { V(T) } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -112,7 +112,7 @@ LL | enum EW3 where T: Iterator { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:39:35 + --> $DIR/duplicate.rs:37:35 | LL | union UI1> { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -120,7 +120,7 @@ LL | union UI1> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:41:35 + --> $DIR/duplicate.rs:39:35 | LL | union UI2> { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -128,7 +128,7 @@ LL | union UI2> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:43:38 + --> $DIR/duplicate.rs:41:38 | LL | union UI3> { f: T } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -136,7 +136,7 @@ LL | union UI3> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:45:44 + --> $DIR/duplicate.rs:43:44 | LL | union UW1 where T: Iterator { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -144,7 +144,7 @@ LL | union UW1 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:47:44 + --> $DIR/duplicate.rs:45:44 | LL | union UW2 where T: Iterator { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -152,7 +152,7 @@ LL | union UW2 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:49:47 + --> $DIR/duplicate.rs:47:47 | LL | union UW3 where T: Iterator { f: T } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -160,7 +160,7 @@ LL | union UW3 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:52:32 + --> $DIR/duplicate.rs:50:32 | LL | fn FI1>() {} | ---------- ^^^^^^^^^^ re-bound here @@ -168,7 +168,7 @@ LL | fn FI1>() {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:54:32 + --> $DIR/duplicate.rs:52:32 | LL | fn FI2>() {} | ---------- ^^^^^^^^^^ re-bound here @@ -176,7 +176,7 @@ LL | fn FI2>() {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:56:35 + --> $DIR/duplicate.rs:54:35 | LL | fn FI3>() {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -184,7 +184,7 @@ LL | fn FI3>() {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:58:43 + --> $DIR/duplicate.rs:56:43 | LL | fn FW1() where T: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -192,7 +192,7 @@ LL | fn FW1() where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:60:43 + --> $DIR/duplicate.rs:58:43 | LL | fn FW2() where T: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -200,7 +200,7 @@ LL | fn FW2() where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:62:46 + --> $DIR/duplicate.rs:60:46 | LL | fn FW3() where T: Iterator {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -208,7 +208,7 @@ LL | fn FW3() where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:68:40 + --> $DIR/duplicate.rs:66:40 | LL | fn FAPIT1(_: impl Iterator) {} | ---------- ^^^^^^^^^^ re-bound here @@ -216,7 +216,7 @@ LL | fn FAPIT1(_: impl Iterator) {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:70:40 + --> $DIR/duplicate.rs:68:40 | LL | fn FAPIT2(_: impl Iterator) {} | ---------- ^^^^^^^^^^ re-bound here @@ -224,7 +224,7 @@ LL | fn FAPIT2(_: impl Iterator) {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:72:43 + --> $DIR/duplicate.rs:70:43 | LL | fn FAPIT3(_: impl Iterator) {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -232,7 +232,7 @@ LL | fn FAPIT3(_: impl Iterator) {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:75:39 + --> $DIR/duplicate.rs:73:39 | LL | const CIT1: impl Iterator = iter::empty(); | ---------- ^^^^^^^^^^ re-bound here @@ -240,7 +240,7 @@ LL | const CIT1: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:77:39 + --> $DIR/duplicate.rs:75:39 | LL | const CIT2: impl Iterator = iter::empty(); | ---------- ^^^^^^^^^^ re-bound here @@ -248,7 +248,7 @@ LL | const CIT2: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:79:42 + --> $DIR/duplicate.rs:77:42 | LL | const CIT3: impl Iterator = iter::empty(); | ------------- ^^^^^^^^^^^^^ re-bound here @@ -256,7 +256,7 @@ LL | const CIT3: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:81:40 + --> $DIR/duplicate.rs:79:40 | LL | static SIT1: impl Iterator = iter::empty(); | ---------- ^^^^^^^^^^ re-bound here @@ -264,7 +264,7 @@ LL | static SIT1: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:83:40 + --> $DIR/duplicate.rs:81:40 | LL | static SIT2: impl Iterator = iter::empty(); | ---------- ^^^^^^^^^^ re-bound here @@ -272,7 +272,7 @@ LL | static SIT2: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:85:43 + --> $DIR/duplicate.rs:83:43 | LL | static SIT3: impl Iterator = iter::empty(); | ------------- ^^^^^^^^^^^^^ re-bound here @@ -280,7 +280,7 @@ LL | static SIT3: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:88:46 + --> $DIR/duplicate.rs:86:46 | LL | fn lit1() { let _: impl Iterator = iter::empty(); } | ---------- ^^^^^^^^^^ re-bound here @@ -288,7 +288,7 @@ LL | fn lit1() { let _: impl Iterator = iter::empty(); } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:90:46 + --> $DIR/duplicate.rs:88:46 | LL | fn lit2() { let _: impl Iterator = iter::empty(); } | ---------- ^^^^^^^^^^ re-bound here @@ -296,7 +296,7 @@ LL | fn lit2() { let _: impl Iterator = iter::empty(); } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:92:49 + --> $DIR/duplicate.rs:90:49 | LL | fn lit3() { let _: impl Iterator = iter::empty(); } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -304,7 +304,7 @@ LL | fn lit3() { let _: impl Iterator = iter::empt | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:95:35 + --> $DIR/duplicate.rs:93:35 | LL | type TAI1> = T; | ---------- ^^^^^^^^^^ re-bound here @@ -312,7 +312,7 @@ LL | type TAI1> = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:97:35 + --> $DIR/duplicate.rs:95:35 | LL | type TAI2> = T; | ---------- ^^^^^^^^^^ re-bound here @@ -320,7 +320,7 @@ LL | type TAI2> = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:99:38 + --> $DIR/duplicate.rs:97:38 | LL | type TAI3> = T; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -328,7 +328,7 @@ LL | type TAI3> = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:101:44 + --> $DIR/duplicate.rs:99:44 | LL | type TAW1 where T: Iterator = T; | ---------- ^^^^^^^^^^ re-bound here @@ -336,7 +336,7 @@ LL | type TAW1 where T: Iterator = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:103:44 + --> $DIR/duplicate.rs:101:44 | LL | type TAW2 where T: Iterator = T; | ---------- ^^^^^^^^^^ re-bound here @@ -344,7 +344,7 @@ LL | type TAW2 where T: Iterator = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:105:47 + --> $DIR/duplicate.rs:103:47 | LL | type TAW3 where T: Iterator = T; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -352,7 +352,7 @@ LL | type TAW3 where T: Iterator = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:108:36 + --> $DIR/duplicate.rs:106:36 | LL | type ETAI1> = impl Copy; | ---------- ^^^^^^^^^^ re-bound here @@ -360,7 +360,7 @@ LL | type ETAI1> = impl Copy; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:110:36 + --> $DIR/duplicate.rs:108:36 | LL | type ETAI2> = impl Copy; | ---------- ^^^^^^^^^^ re-bound here @@ -368,7 +368,7 @@ LL | type ETAI2> = impl Copy; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:112:39 + --> $DIR/duplicate.rs:110:39 | LL | type ETAI3> = impl Copy; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -376,7 +376,7 @@ LL | type ETAI3> = impl Copy; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:114:40 + --> $DIR/duplicate.rs:112:40 | LL | type ETAI4 = impl Iterator; | ---------- ^^^^^^^^^^ re-bound here @@ -384,7 +384,7 @@ LL | type ETAI4 = impl Iterator; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:116:40 + --> $DIR/duplicate.rs:114:40 | LL | type ETAI5 = impl Iterator; | ---------- ^^^^^^^^^^ re-bound here @@ -392,7 +392,7 @@ LL | type ETAI5 = impl Iterator; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:118:43 + --> $DIR/duplicate.rs:116:43 | LL | type ETAI6 = impl Iterator; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -400,7 +400,7 @@ LL | type ETAI6 = impl Iterator; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:121:36 + --> $DIR/duplicate.rs:119:36 | LL | trait TRI1> {} | ---------- ^^^^^^^^^^ re-bound here @@ -408,7 +408,7 @@ LL | trait TRI1> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:123:36 + --> $DIR/duplicate.rs:121:36 | LL | trait TRI2> {} | ---------- ^^^^^^^^^^ re-bound here @@ -416,7 +416,7 @@ LL | trait TRI2> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:125:39 + --> $DIR/duplicate.rs:123:39 | LL | trait TRI3> {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -424,7 +424,7 @@ LL | trait TRI3> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:127:34 + --> $DIR/duplicate.rs:125:34 | LL | trait TRS1: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -432,7 +432,7 @@ LL | trait TRS1: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:129:34 + --> $DIR/duplicate.rs:127:34 | LL | trait TRS2: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -440,7 +440,7 @@ LL | trait TRS2: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:131:37 + --> $DIR/duplicate.rs:129:37 | LL | trait TRS3: Iterator {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -448,7 +448,7 @@ LL | trait TRS3: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:133:45 + --> $DIR/duplicate.rs:131:45 | LL | trait TRW1 where T: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -456,7 +456,7 @@ LL | trait TRW1 where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:135:45 + --> $DIR/duplicate.rs:133:45 | LL | trait TRW2 where T: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -464,7 +464,7 @@ LL | trait TRW2 where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:137:48 + --> $DIR/duplicate.rs:135:48 | LL | trait TRW3 where T: Iterator {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -472,7 +472,7 @@ LL | trait TRW3 where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:139:46 + --> $DIR/duplicate.rs:137:46 | LL | trait TRSW1 where Self: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -480,7 +480,7 @@ LL | trait TRSW1 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:139:46 + --> $DIR/duplicate.rs:137:46 | LL | trait TRSW1 where Self: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -488,7 +488,7 @@ LL | trait TRSW1 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:142:46 + --> $DIR/duplicate.rs:140:46 | LL | trait TRSW2 where Self: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -496,7 +496,7 @@ LL | trait TRSW2 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:142:46 + --> $DIR/duplicate.rs:140:46 | LL | trait TRSW2 where Self: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -504,7 +504,7 @@ LL | trait TRSW2 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:145:49 + --> $DIR/duplicate.rs:143:49 | LL | trait TRSW3 where Self: Iterator {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -512,7 +512,7 @@ LL | trait TRSW3 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:145:49 + --> $DIR/duplicate.rs:143:49 | LL | trait TRSW3 where Self: Iterator {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -520,7 +520,7 @@ LL | trait TRSW3 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:155:40 + --> $DIR/duplicate.rs:153:40 | LL | type TADyn1 = dyn Iterator; | ---------- ^^^^^^^^^^ re-bound here @@ -528,7 +528,7 @@ LL | type TADyn1 = dyn Iterator; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:157:44 + --> $DIR/duplicate.rs:155:44 | LL | type TADyn2 = Box>; | ---------- ^^^^^^^^^^ re-bound here @@ -536,7 +536,7 @@ LL | type TADyn2 = Box>; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:159:43 + --> $DIR/duplicate.rs:157:43 | LL | type TADyn3 = dyn Iterator; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -544,7 +544,7 @@ LL | type TADyn3 = dyn Iterator; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:148:43 + --> $DIR/duplicate.rs:146:43 | LL | trait TRA1 { type A: Iterator; } | ---------- ^^^^^^^^^^ re-bound here @@ -552,7 +552,7 @@ LL | trait TRA1 { type A: Iterator; } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:150:43 + --> $DIR/duplicate.rs:148:43 | LL | trait TRA2 { type A: Iterator; } | ---------- ^^^^^^^^^^ re-bound here @@ -560,7 +560,7 @@ LL | trait TRA2 { type A: Iterator; } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:152:46 + --> $DIR/duplicate.rs:150:46 | LL | trait TRA3 { type A: Iterator; } | ------------- ^^^^^^^^^^^^^ re-bound here diff --git a/src/test/ui/associated-type-bounds/duplicate.min_tait.stderr b/src/test/ui/associated-type-bounds/duplicate.min_tait.stderr index cc775dee4a2f..500e527a0188 100644 --- a/src/test/ui/associated-type-bounds/duplicate.min_tait.stderr +++ b/src/test/ui/associated-type-bounds/duplicate.min_tait.stderr @@ -1,5 +1,5 @@ warning: the feature `impl_trait_in_bindings` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/duplicate.rs:8:12 + --> $DIR/duplicate.rs:6:12 | LL | #![feature(impl_trait_in_bindings)] | ^^^^^^^^^^^^^^^^^^^^^^ @@ -8,7 +8,7 @@ LL | #![feature(impl_trait_in_bindings)] = note: see issue #63065 for more information error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:13:36 + --> $DIR/duplicate.rs:11:36 | LL | struct SI1> { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -16,7 +16,7 @@ LL | struct SI1> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:15:36 + --> $DIR/duplicate.rs:13:36 | LL | struct SI2> { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -24,7 +24,7 @@ LL | struct SI2> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:17:39 + --> $DIR/duplicate.rs:15:39 | LL | struct SI3> { f: T } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -32,7 +32,7 @@ LL | struct SI3> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:19:45 + --> $DIR/duplicate.rs:17:45 | LL | struct SW1 where T: Iterator { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -40,7 +40,7 @@ LL | struct SW1 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:21:45 + --> $DIR/duplicate.rs:19:45 | LL | struct SW2 where T: Iterator { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -48,7 +48,7 @@ LL | struct SW2 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:23:48 + --> $DIR/duplicate.rs:21:48 | LL | struct SW3 where T: Iterator { f: T } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -56,7 +56,7 @@ LL | struct SW3 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:26:34 + --> $DIR/duplicate.rs:24:34 | LL | enum EI1> { V(T) } | ---------- ^^^^^^^^^^ re-bound here @@ -64,7 +64,7 @@ LL | enum EI1> { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:28:34 + --> $DIR/duplicate.rs:26:34 | LL | enum EI2> { V(T) } | ---------- ^^^^^^^^^^ re-bound here @@ -72,7 +72,7 @@ LL | enum EI2> { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:30:37 + --> $DIR/duplicate.rs:28:37 | LL | enum EI3> { V(T) } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -80,7 +80,7 @@ LL | enum EI3> { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:32:43 + --> $DIR/duplicate.rs:30:43 | LL | enum EW1 where T: Iterator { V(T) } | ---------- ^^^^^^^^^^ re-bound here @@ -88,7 +88,7 @@ LL | enum EW1 where T: Iterator { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:34:43 + --> $DIR/duplicate.rs:32:43 | LL | enum EW2 where T: Iterator { V(T) } | ---------- ^^^^^^^^^^ re-bound here @@ -96,7 +96,7 @@ LL | enum EW2 where T: Iterator { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:36:46 + --> $DIR/duplicate.rs:34:46 | LL | enum EW3 where T: Iterator { V(T) } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -104,7 +104,7 @@ LL | enum EW3 where T: Iterator { V(T) } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:39:35 + --> $DIR/duplicate.rs:37:35 | LL | union UI1> { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -112,7 +112,7 @@ LL | union UI1> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:41:35 + --> $DIR/duplicate.rs:39:35 | LL | union UI2> { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -120,7 +120,7 @@ LL | union UI2> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:43:38 + --> $DIR/duplicate.rs:41:38 | LL | union UI3> { f: T } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -128,7 +128,7 @@ LL | union UI3> { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:45:44 + --> $DIR/duplicate.rs:43:44 | LL | union UW1 where T: Iterator { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -136,7 +136,7 @@ LL | union UW1 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:47:44 + --> $DIR/duplicate.rs:45:44 | LL | union UW2 where T: Iterator { f: T } | ---------- ^^^^^^^^^^ re-bound here @@ -144,7 +144,7 @@ LL | union UW2 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:49:47 + --> $DIR/duplicate.rs:47:47 | LL | union UW3 where T: Iterator { f: T } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -152,7 +152,7 @@ LL | union UW3 where T: Iterator { f: T } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:52:32 + --> $DIR/duplicate.rs:50:32 | LL | fn FI1>() {} | ---------- ^^^^^^^^^^ re-bound here @@ -160,7 +160,7 @@ LL | fn FI1>() {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:54:32 + --> $DIR/duplicate.rs:52:32 | LL | fn FI2>() {} | ---------- ^^^^^^^^^^ re-bound here @@ -168,7 +168,7 @@ LL | fn FI2>() {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:56:35 + --> $DIR/duplicate.rs:54:35 | LL | fn FI3>() {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -176,7 +176,7 @@ LL | fn FI3>() {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:58:43 + --> $DIR/duplicate.rs:56:43 | LL | fn FW1() where T: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -184,7 +184,7 @@ LL | fn FW1() where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:60:43 + --> $DIR/duplicate.rs:58:43 | LL | fn FW2() where T: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -192,7 +192,7 @@ LL | fn FW2() where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:62:46 + --> $DIR/duplicate.rs:60:46 | LL | fn FW3() where T: Iterator {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -200,7 +200,7 @@ LL | fn FW3() where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:68:40 + --> $DIR/duplicate.rs:66:40 | LL | fn FAPIT1(_: impl Iterator) {} | ---------- ^^^^^^^^^^ re-bound here @@ -208,7 +208,7 @@ LL | fn FAPIT1(_: impl Iterator) {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:70:40 + --> $DIR/duplicate.rs:68:40 | LL | fn FAPIT2(_: impl Iterator) {} | ---------- ^^^^^^^^^^ re-bound here @@ -216,7 +216,7 @@ LL | fn FAPIT2(_: impl Iterator) {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:72:43 + --> $DIR/duplicate.rs:70:43 | LL | fn FAPIT3(_: impl Iterator) {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -224,7 +224,7 @@ LL | fn FAPIT3(_: impl Iterator) {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:75:39 + --> $DIR/duplicate.rs:73:39 | LL | const CIT1: impl Iterator = iter::empty(); | ---------- ^^^^^^^^^^ re-bound here @@ -232,7 +232,7 @@ LL | const CIT1: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:77:39 + --> $DIR/duplicate.rs:75:39 | LL | const CIT2: impl Iterator = iter::empty(); | ---------- ^^^^^^^^^^ re-bound here @@ -240,7 +240,7 @@ LL | const CIT2: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:79:42 + --> $DIR/duplicate.rs:77:42 | LL | const CIT3: impl Iterator = iter::empty(); | ------------- ^^^^^^^^^^^^^ re-bound here @@ -248,7 +248,7 @@ LL | const CIT3: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:81:40 + --> $DIR/duplicate.rs:79:40 | LL | static SIT1: impl Iterator = iter::empty(); | ---------- ^^^^^^^^^^ re-bound here @@ -256,7 +256,7 @@ LL | static SIT1: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:83:40 + --> $DIR/duplicate.rs:81:40 | LL | static SIT2: impl Iterator = iter::empty(); | ---------- ^^^^^^^^^^ re-bound here @@ -264,7 +264,7 @@ LL | static SIT2: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:85:43 + --> $DIR/duplicate.rs:83:43 | LL | static SIT3: impl Iterator = iter::empty(); | ------------- ^^^^^^^^^^^^^ re-bound here @@ -272,7 +272,7 @@ LL | static SIT3: impl Iterator = iter::empty(); | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:88:46 + --> $DIR/duplicate.rs:86:46 | LL | fn lit1() { let _: impl Iterator = iter::empty(); } | ---------- ^^^^^^^^^^ re-bound here @@ -280,7 +280,7 @@ LL | fn lit1() { let _: impl Iterator = iter::empty(); } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:90:46 + --> $DIR/duplicate.rs:88:46 | LL | fn lit2() { let _: impl Iterator = iter::empty(); } | ---------- ^^^^^^^^^^ re-bound here @@ -288,7 +288,7 @@ LL | fn lit2() { let _: impl Iterator = iter::empty(); } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:92:49 + --> $DIR/duplicate.rs:90:49 | LL | fn lit3() { let _: impl Iterator = iter::empty(); } | ------------- ^^^^^^^^^^^^^ re-bound here @@ -296,7 +296,7 @@ LL | fn lit3() { let _: impl Iterator = iter::empt | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:95:35 + --> $DIR/duplicate.rs:93:35 | LL | type TAI1> = T; | ---------- ^^^^^^^^^^ re-bound here @@ -304,7 +304,7 @@ LL | type TAI1> = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:97:35 + --> $DIR/duplicate.rs:95:35 | LL | type TAI2> = T; | ---------- ^^^^^^^^^^ re-bound here @@ -312,7 +312,7 @@ LL | type TAI2> = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:99:38 + --> $DIR/duplicate.rs:97:38 | LL | type TAI3> = T; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -320,7 +320,7 @@ LL | type TAI3> = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:101:44 + --> $DIR/duplicate.rs:99:44 | LL | type TAW1 where T: Iterator = T; | ---------- ^^^^^^^^^^ re-bound here @@ -328,7 +328,7 @@ LL | type TAW1 where T: Iterator = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:103:44 + --> $DIR/duplicate.rs:101:44 | LL | type TAW2 where T: Iterator = T; | ---------- ^^^^^^^^^^ re-bound here @@ -336,7 +336,7 @@ LL | type TAW2 where T: Iterator = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:105:47 + --> $DIR/duplicate.rs:103:47 | LL | type TAW3 where T: Iterator = T; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -344,7 +344,7 @@ LL | type TAW3 where T: Iterator = T; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:108:36 + --> $DIR/duplicate.rs:106:36 | LL | type ETAI1> = impl Copy; | ---------- ^^^^^^^^^^ re-bound here @@ -352,7 +352,7 @@ LL | type ETAI1> = impl Copy; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:110:36 + --> $DIR/duplicate.rs:108:36 | LL | type ETAI2> = impl Copy; | ---------- ^^^^^^^^^^ re-bound here @@ -360,7 +360,7 @@ LL | type ETAI2> = impl Copy; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:112:39 + --> $DIR/duplicate.rs:110:39 | LL | type ETAI3> = impl Copy; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -368,7 +368,7 @@ LL | type ETAI3> = impl Copy; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:114:40 + --> $DIR/duplicate.rs:112:40 | LL | type ETAI4 = impl Iterator; | ---------- ^^^^^^^^^^ re-bound here @@ -376,7 +376,7 @@ LL | type ETAI4 = impl Iterator; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:116:40 + --> $DIR/duplicate.rs:114:40 | LL | type ETAI5 = impl Iterator; | ---------- ^^^^^^^^^^ re-bound here @@ -384,7 +384,7 @@ LL | type ETAI5 = impl Iterator; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:118:43 + --> $DIR/duplicate.rs:116:43 | LL | type ETAI6 = impl Iterator; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -392,7 +392,7 @@ LL | type ETAI6 = impl Iterator; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:121:36 + --> $DIR/duplicate.rs:119:36 | LL | trait TRI1> {} | ---------- ^^^^^^^^^^ re-bound here @@ -400,7 +400,7 @@ LL | trait TRI1> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:123:36 + --> $DIR/duplicate.rs:121:36 | LL | trait TRI2> {} | ---------- ^^^^^^^^^^ re-bound here @@ -408,7 +408,7 @@ LL | trait TRI2> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:125:39 + --> $DIR/duplicate.rs:123:39 | LL | trait TRI3> {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -416,7 +416,7 @@ LL | trait TRI3> {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:127:34 + --> $DIR/duplicate.rs:125:34 | LL | trait TRS1: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -424,7 +424,7 @@ LL | trait TRS1: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:129:34 + --> $DIR/duplicate.rs:127:34 | LL | trait TRS2: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -432,7 +432,7 @@ LL | trait TRS2: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:131:37 + --> $DIR/duplicate.rs:129:37 | LL | trait TRS3: Iterator {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -440,7 +440,7 @@ LL | trait TRS3: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:133:45 + --> $DIR/duplicate.rs:131:45 | LL | trait TRW1 where T: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -448,7 +448,7 @@ LL | trait TRW1 where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:135:45 + --> $DIR/duplicate.rs:133:45 | LL | trait TRW2 where T: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -456,7 +456,7 @@ LL | trait TRW2 where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:137:48 + --> $DIR/duplicate.rs:135:48 | LL | trait TRW3 where T: Iterator {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -464,7 +464,7 @@ LL | trait TRW3 where T: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:139:46 + --> $DIR/duplicate.rs:137:46 | LL | trait TRSW1 where Self: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -472,7 +472,7 @@ LL | trait TRSW1 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:139:46 + --> $DIR/duplicate.rs:137:46 | LL | trait TRSW1 where Self: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -480,7 +480,7 @@ LL | trait TRSW1 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:142:46 + --> $DIR/duplicate.rs:140:46 | LL | trait TRSW2 where Self: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -488,7 +488,7 @@ LL | trait TRSW2 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:142:46 + --> $DIR/duplicate.rs:140:46 | LL | trait TRSW2 where Self: Iterator {} | ---------- ^^^^^^^^^^ re-bound here @@ -496,7 +496,7 @@ LL | trait TRSW2 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:145:49 + --> $DIR/duplicate.rs:143:49 | LL | trait TRSW3 where Self: Iterator {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -504,7 +504,7 @@ LL | trait TRSW3 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:145:49 + --> $DIR/duplicate.rs:143:49 | LL | trait TRSW3 where Self: Iterator {} | ------------- ^^^^^^^^^^^^^ re-bound here @@ -512,7 +512,7 @@ LL | trait TRSW3 where Self: Iterator {} | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:155:40 + --> $DIR/duplicate.rs:153:40 | LL | type TADyn1 = dyn Iterator; | ---------- ^^^^^^^^^^ re-bound here @@ -520,7 +520,7 @@ LL | type TADyn1 = dyn Iterator; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:157:44 + --> $DIR/duplicate.rs:155:44 | LL | type TADyn2 = Box>; | ---------- ^^^^^^^^^^ re-bound here @@ -528,7 +528,7 @@ LL | type TADyn2 = Box>; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:159:43 + --> $DIR/duplicate.rs:157:43 | LL | type TADyn3 = dyn Iterator; | ------------- ^^^^^^^^^^^^^ re-bound here @@ -536,7 +536,7 @@ LL | type TADyn3 = dyn Iterator; | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:148:43 + --> $DIR/duplicate.rs:146:43 | LL | trait TRA1 { type A: Iterator; } | ---------- ^^^^^^^^^^ re-bound here @@ -544,7 +544,7 @@ LL | trait TRA1 { type A: Iterator; } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:150:43 + --> $DIR/duplicate.rs:148:43 | LL | trait TRA2 { type A: Iterator; } | ---------- ^^^^^^^^^^ re-bound here @@ -552,7 +552,7 @@ LL | trait TRA2 { type A: Iterator; } | `Item` bound here first error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified - --> $DIR/duplicate.rs:152:46 + --> $DIR/duplicate.rs:150:46 | LL | trait TRA3 { type A: Iterator; } | ------------- ^^^^^^^^^^^^^ re-bound here diff --git a/src/test/ui/associated-type-bounds/duplicate.rs b/src/test/ui/associated-type-bounds/duplicate.rs index a7bbeaf38e74..c3319a7050d5 100644 --- a/src/test/ui/associated-type-bounds/duplicate.rs +++ b/src/test/ui/associated-type-bounds/duplicate.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![feature(associated_type_bounds)] // revisions: min_tait full_tait #![feature(min_type_alias_impl_trait)] diff --git a/src/test/ui/associated-type-bounds/hrtb.rs b/src/test/ui/associated-type-bounds/hrtb.rs new file mode 100644 index 000000000000..7ab3836493b0 --- /dev/null +++ b/src/test/ui/associated-type-bounds/hrtb.rs @@ -0,0 +1,65 @@ +// check-pass + +#![feature(associated_type_bounds)] + +trait A<'a> {} +trait B<'b> {} +fn foo() +where + for<'a> T: A<'a> + 'a, +{ +} +trait C<'c>: for<'a> A<'a> + for<'b> B<'b> { + type As; +} +struct D +where + T: for<'c> C<'c, As: A<'c>>, +{ + t: std::marker::PhantomData, +} + +trait E<'e> { + type As; +} +trait F<'f>: for<'a> A<'a> + for<'e> E<'e> {} +struct G +where + for<'f> T: F<'f, As: E<'f>> + 'f, +{ + t: std::marker::PhantomData, +} + +trait I<'a, 'b, 'c> { + type As; +} +trait H<'d, 'e>: for<'f> I<'d, 'f, 'e> + 'd {} +fn foo2() +where + T: for<'g> H<'g, 'g, As: for<'h> H<'h, 'g> + 'g>, +{ +} + +fn foo3() +where + T: for<'i> H<'i, 'i, As: for<'j> H<'j, 'i, As: for<'k> I<'i, 'k, 'j> + 'j> + 'i>, +{ +} +fn foo4() +where + T: for<'l, 'i> H<'l, 'i, As: for<'j> H<'j, 'i, As: for<'k> I<'l, 'k, 'j> + 'j> + 'i>, +{ +} + +struct X<'x, 'y> { + x: std::marker::PhantomData<&'x ()>, + y: std::marker::PhantomData<&'y ()>, +} + +fn foo5() +where + T: for<'l, 'i> H<'l, 'i, As: for<'j> H<'j, 'i, As: for<'k> H<'j, 'k, As = X<'j, 'k>> + 'j> + 'i> +{ +} + +fn main() {} diff --git a/src/test/ui/associated-types/associated-types-coherence-failure.stderr b/src/test/ui/associated-types/associated-types-coherence-failure.stderr index 2c53b0a2248f..211613b37149 100644 --- a/src/test/ui/associated-types/associated-types-coherence-failure.stderr +++ b/src/test/ui/associated-types/associated-types-coherence-failure.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `Cow<'_, _>`: +error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `Cow<'_, _>` --> $DIR/associated-types-coherence-failure.rs:21:1 | LL | impl<'a, B: ?Sized> IntoCow<'a, B> for ::Owned where B: ToOwned { @@ -7,7 +7,7 @@ LL | impl<'a, B: ?Sized> IntoCow<'a, B> for ::Owned where B: ToOwn LL | impl<'a, B: ?Sized> IntoCow<'a, B> for Cow<'a, B> where B: ToOwned { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Cow<'_, _>` -error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `&_`: +error[E0119]: conflicting implementations of trait `IntoCow<'_, _>` for type `&_` --> $DIR/associated-types-coherence-failure.rs:28:1 | LL | impl<'a, B: ?Sized> IntoCow<'a, B> for ::Owned where B: ToOwned { diff --git a/src/test/ui/associated-types/defaults-suitability.stderr b/src/test/ui/associated-types/defaults-suitability.stderr index 274d09fd09c8..af4e6f0a5c16 100644 --- a/src/test/ui/associated-types/defaults-suitability.stderr +++ b/src/test/ui/associated-types/defaults-suitability.stderr @@ -31,8 +31,8 @@ LL | type Bar: Clone = Vec; = note: required because of the requirements on the impl of `Clone` for `Vec` help: consider restricting type parameter `T` | -LL | trait Foo { - | ^^^^^^^ +LL | trait Foo { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: the trait bound `(): Foo` is not satisfied --> $DIR/defaults-suitability.rs:34:5 @@ -99,8 +99,8 @@ LL | type Baz = T; | help: consider further restricting type parameter `T` | -LL | Self::Baz: Clone, T: Clone - | ^^^^^^^^^^ +LL | Self::Baz: Clone, T: std::clone::Clone + | ^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 8 previous errors diff --git a/src/test/ui/associated-types/impl-trait-return-missing-constraint.stderr b/src/test/ui/associated-types/impl-trait-return-missing-constraint.stderr index b0e9e33a6c38..89e05b61fc9d 100644 --- a/src/test/ui/associated-types/impl-trait-return-missing-constraint.stderr +++ b/src/test/ui/associated-types/impl-trait-return-missing-constraint.stderr @@ -2,13 +2,13 @@ error[E0271]: type mismatch resolving `::Item == i32` --> $DIR/impl-trait-return-missing-constraint.rs:25:13 | LL | fn bar() -> impl Bar { - | -------- the expected opaque type + | -------- the found opaque type ... LL | fn baz() -> impl Bar { - | ^^^^^^^^^^^^^^^^^^^^ expected associated type, found `i32` + | ^^^^^^^^^^^^^^^^^^^^ expected `i32`, found associated type | - = note: expected associated type `::Item` - found type `i32` + = note: expected type `i32` + found associated type `::Item` help: consider constraining the associated type `::Item` to `i32` | LL | fn bar() -> impl Bar { diff --git a/src/test/ui/associated-types/impl-wf-cycle-1.stderr b/src/test/ui/associated-types/impl-wf-cycle-1.stderr index 82328048c99a..1d8d2b0149d2 100644 --- a/src/test/ui/associated-types/impl-wf-cycle-1.stderr +++ b/src/test/ui/associated-types/impl-wf-cycle-1.stderr @@ -10,7 +10,11 @@ LL | | LL | | } | |_^ | - = note: required because of the requirements on the impl of `Grault` for `(T,)` +note: required because of the requirements on the impl of `Grault` for `(T,)` + --> $DIR/impl-wf-cycle-1.rs:15:17 + | +LL | impl Grault for (T,) + | ^^^^^^ ^^^^ = note: 1 redundant requirements hidden = note: required because of the requirements on the impl of `Grault` for `(T,)` @@ -20,7 +24,11 @@ error[E0275]: overflow evaluating the requirement `<(T,) as Grault>::A == _` LL | type A = (); | ^^^^^^^^^^^^ | - = note: required because of the requirements on the impl of `Grault` for `(T,)` +note: required because of the requirements on the impl of `Grault` for `(T,)` + --> $DIR/impl-wf-cycle-1.rs:15:17 + | +LL | impl Grault for (T,) + | ^^^^^^ ^^^^ = note: 1 redundant requirements hidden = note: required because of the requirements on the impl of `Grault` for `(T,)` @@ -30,7 +38,11 @@ error[E0275]: overflow evaluating the requirement `<(T,) as Grault>::A == _` LL | type B = bool; | ^^^^^^^^^^^^^^ | - = note: required because of the requirements on the impl of `Grault` for `(T,)` +note: required because of the requirements on the impl of `Grault` for `(T,)` + --> $DIR/impl-wf-cycle-1.rs:15:17 + | +LL | impl Grault for (T,) + | ^^^^^^ ^^^^ = note: 1 redundant requirements hidden = note: required because of the requirements on the impl of `Grault` for `(T,)` diff --git a/src/test/ui/associated-types/impl-wf-cycle-2.stderr b/src/test/ui/associated-types/impl-wf-cycle-2.stderr index 5cd18a33adf3..a17e63f28fe9 100644 --- a/src/test/ui/associated-types/impl-wf-cycle-2.stderr +++ b/src/test/ui/associated-types/impl-wf-cycle-2.stderr @@ -10,7 +10,11 @@ LL | | LL | | } | |_^ | - = note: required because of the requirements on the impl of `Grault` for `(T,)` +note: required because of the requirements on the impl of `Grault` for `(T,)` + --> $DIR/impl-wf-cycle-2.rs:7:17 + | +LL | impl Grault for (T,) + | ^^^^^^ ^^^^ error[E0275]: overflow evaluating the requirement `<(T,) as Grault>::A == _` --> $DIR/impl-wf-cycle-2.rs:11:5 @@ -18,7 +22,11 @@ error[E0275]: overflow evaluating the requirement `<(T,) as Grault>::A == _` LL | type A = (); | ^^^^^^^^^^^^ | - = note: required because of the requirements on the impl of `Grault` for `(T,)` +note: required because of the requirements on the impl of `Grault` for `(T,)` + --> $DIR/impl-wf-cycle-2.rs:7:17 + | +LL | impl Grault for (T,) + | ^^^^^^ ^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/associated-types/issue-27675-unchecked-bounds.stderr b/src/test/ui/associated-types/issue-27675-unchecked-bounds.stderr index 02396bd00a59..b6122bd54d16 100644 --- a/src/test/ui/associated-types/issue-27675-unchecked-bounds.stderr +++ b/src/test/ui/associated-types/issue-27675-unchecked-bounds.stderr @@ -9,8 +9,8 @@ LL | copy::>(t) | help: consider restricting type parameter `T` | -LL | pub fn copy_any(t: &T) -> T { - | ^^^^^^ +LL | pub fn copy_any(t: &T) -> T { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/associated-types/issue-43784-associated-type.stderr b/src/test/ui/associated-types/issue-43784-associated-type.stderr index d5105ae3b581..0e653a7d3b22 100644 --- a/src/test/ui/associated-types/issue-43784-associated-type.stderr +++ b/src/test/ui/associated-types/issue-43784-associated-type.stderr @@ -9,8 +9,8 @@ LL | type Assoc = T; | help: consider restricting type parameter `T` | -LL | impl Complete for T { - | ^^^^^^ +LL | impl Complete for T { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/associated-types/issue-44153.stderr b/src/test/ui/associated-types/issue-44153.stderr index 8ef71087958c..b7db5d385829 100644 --- a/src/test/ui/associated-types/issue-44153.stderr +++ b/src/test/ui/associated-types/issue-44153.stderr @@ -5,9 +5,13 @@ LL | fn visit() {} | ---------- required by `Visit::visit` ... LL | <() as Visit>::visit(); - | ^^^^^^^^^^^^^^^^^^^^ expected `()`, found `&()` + | ^^^^^^^^^^^^^^^^^^^^ expected `&()`, found `()` | - = note: required because of the requirements on the impl of `Visit` for `()` +note: required because of the requirements on the impl of `Visit` for `()` + --> $DIR/issue-44153.rs:13:10 + | +LL | impl<'a> Visit for () where + | ^^^^^ ^^ error: aborting due to previous error diff --git a/src/test/ui/associated-types/issue-65774-1.stderr b/src/test/ui/associated-types/issue-65774-1.stderr index f644eb5a1f47..fc020e40b5ad 100644 --- a/src/test/ui/associated-types/issue-65774-1.stderr +++ b/src/test/ui/associated-types/issue-65774-1.stderr @@ -13,7 +13,11 @@ error[E0277]: the trait bound `T: MyDisplay` is not satisfied LL | let closure = |config: &mut ::MpuConfig| writer.my_write(&config); | ^^^^^^^ the trait `MyDisplay` is not implemented for `T` | - = note: required because of the requirements on the impl of `MyDisplay` for `&mut T` +note: required because of the requirements on the impl of `MyDisplay` for `&mut T` + --> $DIR/issue-65774-1.rs:5:24 + | +LL | impl<'a, T: MyDisplay> MyDisplay for &'a mut T { } + | ^^^^^^^^^ ^^^^^^^^^ = note: required for the cast to the object type `dyn MyDisplay` error: aborting due to 2 previous errors diff --git a/src/test/ui/async-await/issue-61949-self-return-type.rs b/src/test/ui/async-await/issue-61949-self-return-type.rs index 6a28c69193da..43429ba2329f 100644 --- a/src/test/ui/async-await/issue-61949-self-return-type.rs +++ b/src/test/ui/async-await/issue-61949-self-return-type.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // edition:2018 // This test checks that `Self` is prohibited as a return type. See #61949 for context. diff --git a/src/test/ui/async-await/issue-61949-self-return-type.stderr b/src/test/ui/async-await/issue-61949-self-return-type.stderr index 4eeef871c5bf..52b726e186e3 100644 --- a/src/test/ui/async-await/issue-61949-self-return-type.stderr +++ b/src/test/ui/async-await/issue-61949-self-return-type.stderr @@ -1,5 +1,5 @@ error[E0760]: `async fn` return type cannot contain a projection or `Self` that references lifetimes from a parent scope - --> $DIR/issue-61949-self-return-type.rs:11:40 + --> $DIR/issue-61949-self-return-type.rs:10:40 | LL | pub async fn new(_bar: &'a i32) -> Self { | ^^^^ help: consider spelling out the type instead: `Foo<'a>` diff --git a/src/test/ui/async-await/issue-67651.stderr b/src/test/ui/async-await/issue-67651.stderr index 99857c215eb8..89017f6cc3ec 100644 --- a/src/test/ui/async-await/issue-67651.stderr +++ b/src/test/ui/async-await/issue-67651.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `From` for type `()`: +error[E0119]: conflicting implementations of trait `From` for type `()` --> $DIR/issue-67651.rs:11:1 | LL | impl From for () { diff --git a/src/test/ui/async-await/issue-70818.stderr b/src/test/ui/async-await/issue-70818.stderr index 11fca2dd8ef4..5f39cf6dde12 100644 --- a/src/test/ui/async-await/issue-70818.stderr +++ b/src/test/ui/async-await/issue-70818.stderr @@ -11,8 +11,8 @@ LL | async { (ty, ty1) } | ^^^ has type `U` which is not `Send` help: consider restricting type parameter `U` | -LL | fn foo(ty: T, ty1: U) -> impl Future + Send { - | ^^^^^^ +LL | fn foo(ty: T, ty1: U) -> impl Future + Send { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/async-await/issue-72590-type-error-sized.stderr b/src/test/ui/async-await/issue-72590-type-error-sized.stderr index 0f90a4c336c5..50dfeffde7cf 100644 --- a/src/test/ui/async-await/issue-72590-type-error-sized.stderr +++ b/src/test/ui/async-await/issue-72590-type-error-sized.stderr @@ -17,7 +17,11 @@ LL | async fn frob(self) {} | ^^^^ doesn't have a size known at compile-time | = help: within `Foo`, the trait `Sized` is not implemented for `str` - = note: required because it appears within the type `Foo` +note: required because it appears within the type `Foo` + --> $DIR/issue-72590-type-error-sized.rs:5:8 + | +LL | struct Foo { + | ^^^ = help: unsized fn params are gated as an unstable feature help: function arguments must have a statically known size, borrowed types always have a known size | diff --git a/src/test/ui/async-await/issues/issue-64964.rs b/src/test/ui/async-await/issues/issue-64964.rs index 11f6cb6af9cc..5313d1715c48 100644 --- a/src/test/ui/async-await/issues/issue-64964.rs +++ b/src/test/ui/async-await/issues/issue-64964.rs @@ -1,5 +1,5 @@ // check-pass -// compile-flags: -Z query-dep-graph +// compile-flags: -Z query-dep-graph -C incremental=tmp/issue-64964 // edition:2018 // Regression test for ICE related to `await`ing in a method + incr. comp. (#64964) diff --git a/src/test/ui/async-await/pin-needed-to-poll-2.rs b/src/test/ui/async-await/pin-needed-to-poll-2.rs new file mode 100644 index 000000000000..6ce70336d0c6 --- /dev/null +++ b/src/test/ui/async-await/pin-needed-to-poll-2.rs @@ -0,0 +1,48 @@ +use std::{ + future::Future, + pin::Pin, + marker::Unpin, + task::{Context, Poll}, +}; + +struct Sleep(std::marker::PhantomPinned); + +impl Future for Sleep { + type Output = (); + + fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll { + Poll::Ready(()) + } +} + +impl Drop for Sleep { + fn drop(&mut self) {} +} + +fn sleep() -> Sleep { + Sleep(std::marker::PhantomPinned) +} + + +struct MyFuture { + sleep: Sleep, +} + +impl MyFuture { + fn new() -> Self { + Self { + sleep: sleep(), + } + } +} + +impl Future for MyFuture { + type Output = (); + + fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll { + Pin::new(&mut self.sleep).poll(cx) + //~^ ERROR `PhantomPinned` cannot be unpinned + } +} + +fn main() {} diff --git a/src/test/ui/async-await/pin-needed-to-poll-2.stderr b/src/test/ui/async-await/pin-needed-to-poll-2.stderr new file mode 100644 index 000000000000..c4d21de8aaf7 --- /dev/null +++ b/src/test/ui/async-await/pin-needed-to-poll-2.stderr @@ -0,0 +1,17 @@ +error[E0277]: `PhantomPinned` cannot be unpinned + --> $DIR/pin-needed-to-poll-2.rs:43:9 + | +LL | Pin::new(&mut self.sleep).poll(cx) + | ^^^^^^^^ within `Sleep`, the trait `Unpin` is not implemented for `PhantomPinned` + | + = note: consider using `Box::pin` +note: required because it appears within the type `Sleep` + --> $DIR/pin-needed-to-poll-2.rs:8:8 + | +LL | struct Sleep(std::marker::PhantomPinned); + | ^^^^^ + = note: required by `Pin::

::new` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/src/test/ui/async-await/pin-needed-to-poll.rs b/src/test/ui/async-await/pin-needed-to-poll.rs new file mode 100644 index 000000000000..0d1fe684f60e --- /dev/null +++ b/src/test/ui/async-await/pin-needed-to-poll.rs @@ -0,0 +1,47 @@ +use std::{ + future::Future, + pin::Pin, + task::{Context, Poll}, +}; + +struct Sleep; + +impl Future for Sleep { + type Output = (); + + fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll { + Poll::Ready(()) + } +} + +impl Drop for Sleep { + fn drop(&mut self) {} +} + +fn sleep() -> Sleep { + Sleep +} + + +struct MyFuture { + sleep: Sleep, +} + +impl MyFuture { + fn new() -> Self { + Self { + sleep: sleep(), + } + } +} + +impl Future for MyFuture { + type Output = (); + + fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll { + self.sleep.poll(cx) + //~^ ERROR no method named `poll` found for struct `Sleep` in the current scope + } +} + +fn main() {} diff --git a/src/test/ui/async-await/pin-needed-to-poll.stderr b/src/test/ui/async-await/pin-needed-to-poll.stderr new file mode 100644 index 000000000000..0756a4d59c19 --- /dev/null +++ b/src/test/ui/async-await/pin-needed-to-poll.stderr @@ -0,0 +1,22 @@ +error[E0599]: no method named `poll` found for struct `Sleep` in the current scope + --> $DIR/pin-needed-to-poll.rs:42:20 + | +LL | struct Sleep; + | ------------- method `poll` not found for this +... +LL | self.sleep.poll(cx) + | ^^^^ method not found in `Sleep` + | + ::: $SRC_DIR/core/src/future/future.rs:LL:COL + | +LL | fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll; + | ---- the method is available for `Pin<&mut Sleep>` here + | +help: consider wrapping the receiver expression with the appropriate type + | +LL | Pin::new(&mut self.sleep).poll(cx) + | ^^^^^^^^^^^^^ ^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0599`. diff --git a/src/test/ui/attributes/nonterminal-expansion.rs b/src/test/ui/attributes/nonterminal-expansion.rs index b4f523936a0b..d663431d6836 100644 --- a/src/test/ui/attributes/nonterminal-expansion.rs +++ b/src/test/ui/attributes/nonterminal-expansion.rs @@ -3,7 +3,6 @@ macro_rules! pass_nonterminal { ($n:expr) => { #[repr(align($n))] //~ ERROR expected unsuffixed literal or identifier, found `n!()` - //~| ERROR unrecognized representation hint struct S; }; } diff --git a/src/test/ui/attributes/nonterminal-expansion.stderr b/src/test/ui/attributes/nonterminal-expansion.stderr index 9f7f185f9475..75663a666a56 100644 --- a/src/test/ui/attributes/nonterminal-expansion.stderr +++ b/src/test/ui/attributes/nonterminal-expansion.stderr @@ -9,17 +9,5 @@ LL | pass_nonterminal!(n!()); | = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) -error[E0552]: unrecognized representation hint - --> $DIR/nonterminal-expansion.rs:5:16 - | -LL | #[repr(align($n))] - | ^^^^^^^^^ -... -LL | pass_nonterminal!(n!()); - | ------------------------ in this macro invocation - | - = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) - -error: aborting due to 2 previous errors +error: aborting due to previous error -For more information about this error, try `rustc --explain E0552`. diff --git a/src/test/ui/bad/bad-method-typaram-kind.stderr b/src/test/ui/bad/bad-method-typaram-kind.stderr index 5b68d97a9ea5..fd3999ae6fbe 100644 --- a/src/test/ui/bad/bad-method-typaram-kind.stderr +++ b/src/test/ui/bad/bad-method-typaram-kind.stderr @@ -6,8 +6,8 @@ LL | 1.bar::(); | help: consider further restricting this bound | -LL | fn foo() { - | ^^^^^^ +LL | fn foo() { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/block-result/issue-22645.stderr b/src/test/ui/block-result/issue-22645.stderr index 6649e67a5093..397bdac60513 100644 --- a/src/test/ui/block-result/issue-22645.stderr +++ b/src/test/ui/block-result/issue-22645.stderr @@ -6,7 +6,11 @@ LL | b + 3 | = help: the following implementations were found: - = note: required because of the requirements on the impl of `Add<{integer}>` for `Bob` +note: required because of the requirements on the impl of `Add<{integer}>` for `Bob` + --> $DIR/issue-22645.rs:8:19 + | +LL | impl Add for Bob { + | ^^^^^^^^^ ^^^ error[E0308]: mismatched types --> $DIR/issue-22645.rs:15:3 diff --git a/src/test/ui/borrowck/borrowck-describe-lvalue.rs b/src/test/ui/borrowck/borrowck-describe-lvalue.rs index c8bfbe0729c5..0e6c0635adb4 100644 --- a/src/test/ui/borrowck/borrowck-describe-lvalue.rs +++ b/src/test/ui/borrowck/borrowck-describe-lvalue.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - pub struct Foo { x: u32 } diff --git a/src/test/ui/borrowck/borrowck-describe-lvalue.stderr b/src/test/ui/borrowck/borrowck-describe-lvalue.stderr index e386aa1f1f4d..0f2ebbcbf3cd 100644 --- a/src/test/ui/borrowck/borrowck-describe-lvalue.stderr +++ b/src/test/ui/borrowck/borrowck-describe-lvalue.stderr @@ -1,5 +1,5 @@ error[E0499]: cannot borrow `x` as mutable more than once at a time - --> $DIR/borrowck-describe-lvalue.rs:256:13 + --> $DIR/borrowck-describe-lvalue.rs:254:13 | LL | let y = &mut x; | ------ first mutable borrow occurs here @@ -9,7 +9,7 @@ LL | *y = 1; | ------ first borrow later used here error[E0499]: cannot borrow `x` as mutable more than once at a time - --> $DIR/borrowck-describe-lvalue.rs:266:20 + --> $DIR/borrowck-describe-lvalue.rs:264:20 | LL | let y = &mut x; | ------ first mutable borrow occurs here @@ -19,7 +19,7 @@ LL | *y = 1; | ------ first borrow later used here error: captured variable cannot escape `FnMut` closure body - --> $DIR/borrowck-describe-lvalue.rs:264:16 + --> $DIR/borrowck-describe-lvalue.rs:262:16 | LL | let mut x = 0; | ----- variable defined here @@ -38,7 +38,7 @@ LL | | } = note: ...therefore, they cannot allow references to captured variables to escape error[E0503]: cannot use `f.x` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:39:9 + --> $DIR/borrowck-describe-lvalue.rs:37:9 | LL | let x = f.x(); | - borrow of `f` occurs here @@ -48,7 +48,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `g.0` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:46:9 + --> $DIR/borrowck-describe-lvalue.rs:44:9 | LL | let x = g.x(); | - borrow of `g` occurs here @@ -58,7 +58,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `h.0` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:53:9 + --> $DIR/borrowck-describe-lvalue.rs:51:9 | LL | let x = &mut h.0; | -------- borrow of `h.0` occurs here @@ -68,7 +68,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `e.0` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:61:20 + --> $DIR/borrowck-describe-lvalue.rs:59:20 | LL | let x = e.x(); | - borrow of `e` occurs here @@ -80,7 +80,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `u.a` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:69:9 + --> $DIR/borrowck-describe-lvalue.rs:67:9 | LL | let x = &mut u.a; | -------- borrow of `u.a` occurs here @@ -90,7 +90,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `f.x` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:76:9 + --> $DIR/borrowck-describe-lvalue.rs:74:9 | LL | let x = f.x(); | - borrow of `*f` occurs here @@ -100,7 +100,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `g.0` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:83:9 + --> $DIR/borrowck-describe-lvalue.rs:81:9 | LL | let x = g.x(); | - borrow of `*g` occurs here @@ -110,7 +110,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `h.0` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:90:9 + --> $DIR/borrowck-describe-lvalue.rs:88:9 | LL | let x = &mut h.0; | -------- borrow of `h.0` occurs here @@ -120,7 +120,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `e.0` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:98:20 + --> $DIR/borrowck-describe-lvalue.rs:96:20 | LL | let x = e.x(); | - borrow of `*e` occurs here @@ -132,7 +132,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `u.a` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:107:9 + --> $DIR/borrowck-describe-lvalue.rs:105:9 | LL | let x = &mut u.a; | -------- borrow of `u.a` occurs here @@ -142,7 +142,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `v[..]` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:115:15 + --> $DIR/borrowck-describe-lvalue.rs:113:15 | LL | let x = &mut v; | ------ borrow of `v` occurs here @@ -154,7 +154,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `v[..]` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:120:18 + --> $DIR/borrowck-describe-lvalue.rs:118:18 | LL | let x = &mut v; | ------ borrow of `v` occurs here @@ -166,7 +166,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `v[..]` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:125:25 + --> $DIR/borrowck-describe-lvalue.rs:123:25 | LL | let x = &mut v; | ------ borrow of `v` occurs here @@ -178,7 +178,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `v[..]` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:130:28 + --> $DIR/borrowck-describe-lvalue.rs:128:28 | LL | let x = &mut v; | ------ borrow of `v` occurs here @@ -190,7 +190,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `v[..]` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:141:15 + --> $DIR/borrowck-describe-lvalue.rs:139:15 | LL | let x = &mut v; | ------ borrow of `v` occurs here @@ -202,7 +202,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `v[..]` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:146:18 + --> $DIR/borrowck-describe-lvalue.rs:144:18 | LL | let x = &mut v; | ------ borrow of `v` occurs here @@ -214,7 +214,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `v[..]` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:151:15 + --> $DIR/borrowck-describe-lvalue.rs:149:15 | LL | let x = &mut v; | ------ borrow of `v` occurs here @@ -226,7 +226,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `v[..]` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:156:18 + --> $DIR/borrowck-describe-lvalue.rs:154:18 | LL | let x = &mut v; | ------ borrow of `v` occurs here @@ -238,7 +238,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `e` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:169:13 + --> $DIR/borrowck-describe-lvalue.rs:167:13 | LL | let x = &mut e; | ------ borrow of `e` occurs here @@ -250,7 +250,7 @@ LL | drop(x); | - borrow later used here error[E0502]: cannot borrow `e.0` as immutable because it is also borrowed as mutable - --> $DIR/borrowck-describe-lvalue.rs:169:18 + --> $DIR/borrowck-describe-lvalue.rs:167:18 | LL | let x = &mut e; | ------ mutable borrow occurs here @@ -262,7 +262,7 @@ LL | drop(x); | - mutable borrow later used here error[E0502]: cannot borrow `e.x` as immutable because it is also borrowed as mutable - --> $DIR/borrowck-describe-lvalue.rs:173:23 + --> $DIR/borrowck-describe-lvalue.rs:171:23 | LL | let x = &mut e; | ------ mutable borrow occurs here @@ -274,7 +274,7 @@ LL | drop(x); | - mutable borrow later used here error[E0502]: cannot borrow `s.y.0` as immutable because it is also borrowed as mutable - --> $DIR/borrowck-describe-lvalue.rs:186:22 + --> $DIR/borrowck-describe-lvalue.rs:184:22 | LL | let x = &mut s; | ------ mutable borrow occurs here @@ -286,7 +286,7 @@ LL | drop(x); | - mutable borrow later used here error[E0502]: cannot borrow `s.x.y` as immutable because it is also borrowed as mutable - --> $DIR/borrowck-describe-lvalue.rs:192:28 + --> $DIR/borrowck-describe-lvalue.rs:190:28 | LL | let x = &mut s; | ------ mutable borrow occurs here @@ -298,7 +298,7 @@ LL | drop(x); | - mutable borrow later used here error[E0503]: cannot use `*v` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:234:9 + --> $DIR/borrowck-describe-lvalue.rs:232:9 | LL | let x = &mut v; | ------ borrow of `v` occurs here @@ -309,7 +309,7 @@ LL | drop(x); | - borrow later used here error[E0503]: cannot use `v[_].y` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:234:9 + --> $DIR/borrowck-describe-lvalue.rs:232:9 | LL | let x = &mut v; | ------ borrow of `v` occurs here @@ -320,7 +320,7 @@ LL | drop(x); | - borrow later used here error[E0502]: cannot borrow `v[..].x` as immutable because it is also borrowed as mutable - --> $DIR/borrowck-describe-lvalue.rs:245:24 + --> $DIR/borrowck-describe-lvalue.rs:243:24 | LL | let x = &mut v; | ------ mutable borrow occurs here @@ -332,7 +332,7 @@ LL | drop(x); | - mutable borrow later used here error[E0502]: cannot borrow `*block.current` as immutable because it is also borrowed as mutable - --> $DIR/borrowck-describe-lvalue.rs:208:29 + --> $DIR/borrowck-describe-lvalue.rs:206:29 | LL | let x = &mut block; | ---------- mutable borrow occurs here @@ -343,7 +343,7 @@ LL | drop(x); | - mutable borrow later used here error[E0502]: cannot borrow `*block.current` as immutable because it is also borrowed as mutable - --> $DIR/borrowck-describe-lvalue.rs:223:33 + --> $DIR/borrowck-describe-lvalue.rs:221:33 | LL | let x = &mut block; | ---------- mutable borrow occurs here @@ -354,7 +354,7 @@ LL | drop(x); | - mutable borrow later used here error[E0382]: use of moved value: `x` - --> $DIR/borrowck-describe-lvalue.rs:276:22 + --> $DIR/borrowck-describe-lvalue.rs:274:22 | LL | drop(x); | - value moved here diff --git a/src/test/ui/borrowck/borrowck-union-borrow.rs b/src/test/ui/borrowck/borrowck-union-borrow.rs index 63901680bd15..f01915398a41 100644 --- a/src/test/ui/borrowck/borrowck-union-borrow.rs +++ b/src/test/ui/borrowck/borrowck-union-borrow.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #[derive(Clone, Copy)] union U { a: u8, diff --git a/src/test/ui/borrowck/borrowck-union-borrow.stderr b/src/test/ui/borrowck/borrowck-union-borrow.stderr index ca10e299c585..395cd0b4855a 100644 --- a/src/test/ui/borrowck/borrowck-union-borrow.stderr +++ b/src/test/ui/borrowck/borrowck-union-borrow.stderr @@ -1,5 +1,5 @@ error[E0502]: cannot borrow `u.a` as mutable because it is also borrowed as immutable - --> $DIR/borrowck-union-borrow.rs:25:23 + --> $DIR/borrowck-union-borrow.rs:23:23 | LL | let ra = &u.a; | ---- immutable borrow occurs here @@ -9,7 +9,7 @@ LL | drop(ra); | -- immutable borrow later used here error[E0506]: cannot assign to `u.a` because it is borrowed - --> $DIR/borrowck-union-borrow.rs:30:13 + --> $DIR/borrowck-union-borrow.rs:28:13 | LL | let ra = &u.a; | ---- borrow of `u.a` occurs here @@ -19,7 +19,7 @@ LL | drop(ra); | -- borrow later used here error[E0502]: cannot borrow `u` (via `u.b`) as mutable because it is also borrowed as immutable (via `u.a`) - --> $DIR/borrowck-union-borrow.rs:46:23 + --> $DIR/borrowck-union-borrow.rs:44:23 | LL | let ra = &u.a; | ---- immutable borrow occurs here (via `u.a`) @@ -31,7 +31,7 @@ LL | drop(ra); = note: `u.b` is a field of the union `U`, so it overlaps the field `u.a` error[E0506]: cannot assign to `u.b` because it is borrowed - --> $DIR/borrowck-union-borrow.rs:51:13 + --> $DIR/borrowck-union-borrow.rs:49:13 | LL | let ra = &u.a; | ---- borrow of `u.b` occurs here @@ -41,7 +41,7 @@ LL | drop(ra); | -- borrow later used here error[E0502]: cannot borrow `u.a` as immutable because it is also borrowed as mutable - --> $DIR/borrowck-union-borrow.rs:57:22 + --> $DIR/borrowck-union-borrow.rs:55:22 | LL | let rma = &mut u.a; | -------- mutable borrow occurs here @@ -51,7 +51,7 @@ LL | drop(rma); | --- mutable borrow later used here error[E0503]: cannot use `u.a` because it was mutably borrowed - --> $DIR/borrowck-union-borrow.rs:62:21 + --> $DIR/borrowck-union-borrow.rs:60:21 | LL | let ra = &mut u.a; | -------- borrow of `u.a` occurs here @@ -61,7 +61,7 @@ LL | drop(ra); | -- borrow later used here error[E0499]: cannot borrow `u.a` as mutable more than once at a time - --> $DIR/borrowck-union-borrow.rs:67:24 + --> $DIR/borrowck-union-borrow.rs:65:24 | LL | let rma = &mut u.a; | -------- first mutable borrow occurs here @@ -71,7 +71,7 @@ LL | drop(rma); | --- first borrow later used here error[E0506]: cannot assign to `u.a` because it is borrowed - --> $DIR/borrowck-union-borrow.rs:72:13 + --> $DIR/borrowck-union-borrow.rs:70:13 | LL | let rma = &mut u.a; | -------- borrow of `u.a` occurs here @@ -81,7 +81,7 @@ LL | drop(rma); | --- borrow later used here error[E0502]: cannot borrow `u` (via `u.b`) as immutable because it is also borrowed as mutable (via `u.a`) - --> $DIR/borrowck-union-borrow.rs:78:22 + --> $DIR/borrowck-union-borrow.rs:76:22 | LL | let rma = &mut u.a; | -------- mutable borrow occurs here (via `u.a`) @@ -93,7 +93,7 @@ LL | drop(rma); = note: `u.b` is a field of the union `U`, so it overlaps the field `u.a` error[E0503]: cannot use `u.b` because it was mutably borrowed - --> $DIR/borrowck-union-borrow.rs:83:21 + --> $DIR/borrowck-union-borrow.rs:81:21 | LL | let ra = &mut u.a; | -------- borrow of `u.a` occurs here @@ -104,7 +104,7 @@ LL | drop(ra); | -- borrow later used here error[E0499]: cannot borrow `u` (via `u.b`) as mutable more than once at a time - --> $DIR/borrowck-union-borrow.rs:89:24 + --> $DIR/borrowck-union-borrow.rs:87:24 | LL | let rma = &mut u.a; | -------- first mutable borrow occurs here (via `u.a`) @@ -116,7 +116,7 @@ LL | drop(rma); = note: `u.b` is a field of the union `U`, so it overlaps the field `u.a` error[E0506]: cannot assign to `u.b` because it is borrowed - --> $DIR/borrowck-union-borrow.rs:94:13 + --> $DIR/borrowck-union-borrow.rs:92:13 | LL | let rma = &mut u.a; | -------- borrow of `u.b` occurs here diff --git a/src/test/ui/borrowck/two-phase-allow-access-during-reservation.nll_target.stderr b/src/test/ui/borrowck/two-phase-allow-access-during-reservation.nll_target.stderr index 9f31c3f87c37..bba3393fc140 100644 --- a/src/test/ui/borrowck/two-phase-allow-access-during-reservation.nll_target.stderr +++ b/src/test/ui/borrowck/two-phase-allow-access-during-reservation.nll_target.stderr @@ -1,5 +1,5 @@ error[E0503]: cannot use `i` because it was mutably borrowed - --> $DIR/two-phase-allow-access-during-reservation.rs:30:19 + --> $DIR/two-phase-allow-access-during-reservation.rs:28:19 | LL | /*1*/ let p = &mut i; // (reservation of `i` starts here) | ------ borrow of `i` occurs here @@ -11,7 +11,7 @@ LL | /*3*/ *p += 1; // (mutable borrow of `i` starts here, since `p` | ------- borrow later used here error[E0503]: cannot use `i` because it was mutably borrowed - --> $DIR/two-phase-allow-access-during-reservation.rs:35:19 + --> $DIR/two-phase-allow-access-during-reservation.rs:33:19 | LL | /*1*/ let p = &mut i; // (reservation of `i` starts here) | ------ borrow of `i` occurs here diff --git a/src/test/ui/borrowck/two-phase-allow-access-during-reservation.rs b/src/test/ui/borrowck/two-phase-allow-access-during-reservation.rs index 07169afefc98..3afa679ce390 100644 --- a/src/test/ui/borrowck/two-phase-allow-access-during-reservation.rs +++ b/src/test/ui/borrowck/two-phase-allow-access-during-reservation.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // revisions: nll_target // The following revisions are disabled due to missing support for two_phase_beyond_autoref diff --git a/src/test/ui/borrowck/two-phase-reservation-sharing-interference.nll_target.stderr b/src/test/ui/borrowck/two-phase-reservation-sharing-interference.nll_target.stderr index 7b64d9d40028..2cbdc0901bc5 100644 --- a/src/test/ui/borrowck/two-phase-reservation-sharing-interference.nll_target.stderr +++ b/src/test/ui/borrowck/two-phase-reservation-sharing-interference.nll_target.stderr @@ -1,5 +1,5 @@ error[E0502]: cannot borrow `vec` as mutable because it is also borrowed as immutable - --> $DIR/two-phase-reservation-sharing-interference.rs:36:17 + --> $DIR/two-phase-reservation-sharing-interference.rs:34:17 | LL | let shared = &vec; | ---- immutable borrow occurs here diff --git a/src/test/ui/borrowck/two-phase-reservation-sharing-interference.rs b/src/test/ui/borrowck/two-phase-reservation-sharing-interference.rs index de6f66c1c3f9..f7392bfeaab3 100644 --- a/src/test/ui/borrowck/two-phase-reservation-sharing-interference.rs +++ b/src/test/ui/borrowck/two-phase-reservation-sharing-interference.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // revisions: nll_target // The following revisions are disabled due to missing support from two-phase beyond autorefs diff --git a/src/test/ui/bound-suggestions.fixed b/src/test/ui/bound-suggestions.fixed index be61b7dda256..31fdd2b67e29 100644 --- a/src/test/ui/bound-suggestions.fixed +++ b/src/test/ui/bound-suggestions.fixed @@ -5,37 +5,37 @@ use std::fmt::Debug; // Rustfix should add this, or use `std::fmt::Debug` instead. #[allow(dead_code)] -fn test_impl(t: impl Sized + Debug) { +fn test_impl(t: impl Sized + std::fmt::Debug) { println!("{:?}", t); //~^ ERROR doesn't implement } #[allow(dead_code)] -fn test_no_bounds(t: T) { +fn test_no_bounds(t: T) { println!("{:?}", t); //~^ ERROR doesn't implement } #[allow(dead_code)] -fn test_one_bound(t: T) { +fn test_one_bound(t: T) { println!("{:?}", t); //~^ ERROR doesn't implement } #[allow(dead_code)] -fn test_no_bounds_where(x: X, y: Y) where X: std::fmt::Debug, Y: Debug { +fn test_no_bounds_where(x: X, y: Y) where X: std::fmt::Debug, Y: std::fmt::Debug { println!("{:?} {:?}", x, y); //~^ ERROR doesn't implement } #[allow(dead_code)] -fn test_one_bound_where(x: X) where X: Sized + Debug { +fn test_one_bound_where(x: X) where X: Sized + std::fmt::Debug { println!("{:?}", x); //~^ ERROR doesn't implement } #[allow(dead_code)] -fn test_many_bounds_where(x: X) where X: Sized, X: Sized, X: Debug { +fn test_many_bounds_where(x: X) where X: Sized, X: Sized, X: std::fmt::Debug { println!("{:?}", x); //~^ ERROR doesn't implement } diff --git a/src/test/ui/bound-suggestions.stderr b/src/test/ui/bound-suggestions.stderr index 12e67e90265a..ebf43bdb2717 100644 --- a/src/test/ui/bound-suggestions.stderr +++ b/src/test/ui/bound-suggestions.stderr @@ -8,8 +8,8 @@ LL | println!("{:?}", t); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting this bound | -LL | fn test_impl(t: impl Sized + Debug) { - | ^^^^^^^ +LL | fn test_impl(t: impl Sized + std::fmt::Debug) { + | ^^^^^^^^^^^^^^^^^ error[E0277]: `T` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:15:22 @@ -21,8 +21,8 @@ LL | println!("{:?}", t); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) help: consider restricting type parameter `T` | -LL | fn test_no_bounds(t: T) { - | ^^^^^^^ +LL | fn test_no_bounds(t: T) { + | ^^^^^^^^^^^^^^^^^ error[E0277]: `T` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:21:22 @@ -34,8 +34,8 @@ LL | println!("{:?}", t); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting this bound | -LL | fn test_one_bound(t: T) { - | ^^^^^^^ +LL | fn test_one_bound(t: T) { + | ^^^^^^^^^^^^^^^^^ error[E0277]: `Y` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:27:30 @@ -47,8 +47,8 @@ LL | println!("{:?} {:?}", x, y); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting type parameter `Y` | -LL | fn test_no_bounds_where(x: X, y: Y) where X: std::fmt::Debug, Y: Debug { - | ^^^^^^^^^^ +LL | fn test_no_bounds_where(x: X, y: Y) where X: std::fmt::Debug, Y: std::fmt::Debug { + | ^^^^^^^^^^^^^^^^^^^^ error[E0277]: `X` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:33:22 @@ -60,8 +60,8 @@ LL | println!("{:?}", x); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting this bound | -LL | fn test_one_bound_where(x: X) where X: Sized + Debug { - | ^^^^^^^ +LL | fn test_one_bound_where(x: X) where X: Sized + std::fmt::Debug { + | ^^^^^^^^^^^^^^^^^ error[E0277]: `X` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:39:22 @@ -73,8 +73,8 @@ LL | println!("{:?}", x); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting type parameter `X` | -LL | fn test_many_bounds_where(x: X) where X: Sized, X: Sized, X: Debug { - | ^^^^^^^^^^ +LL | fn test_many_bounds_where(x: X) where X: Sized, X: Sized, X: std::fmt::Debug { + | ^^^^^^^^^^^^^^^^^^^^ error[E0277]: the size for values of type `Self` cannot be known at compilation time --> $DIR/bound-suggestions.rs:44:46 diff --git a/src/test/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr b/src/test/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr index 7e8ac113b487..7ff986ec3810 100644 --- a/src/test/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr +++ b/src/test/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr @@ -10,8 +10,8 @@ LL | impl Foo for (T,) { } = note: required because it appears within the type `(T,)` help: consider further restricting this bound | -LL | impl Foo for (T,) { } - | ^^^^^^ +LL | impl Foo for (T,) { } + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: `T` cannot be shared between threads safely --> $DIR/builtin-superkinds-double-superkind.rs:9:16 @@ -25,8 +25,8 @@ LL | impl Foo for (T,T) { } = note: required because it appears within the type `(T, T)` help: consider further restricting this bound | -LL | impl Foo for (T,T) { } - | ^^^^^^ +LL | impl Foo for (T,T) { } + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr b/src/test/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr index 2b4b6e548b88..0d1d747272d1 100644 --- a/src/test/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr +++ b/src/test/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr @@ -9,11 +9,15 @@ LL | impl RequiresRequiresShareAndSend for X { } LL | pub trait RequiresRequiresShareAndSend : RequiresShare + Send { } | ---- required by this bound in `RequiresRequiresShareAndSend` | - = note: required because it appears within the type `X` +note: required because it appears within the type `X` + --> $DIR/builtin-superkinds-in-metadata.rs:9:8 + | +LL | struct X(T); + | ^ help: consider further restricting this bound | -LL | impl RequiresRequiresShareAndSend for X { } - | ^^^^^^ +LL | impl RequiresRequiresShareAndSend for X { } + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr b/src/test/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr index ff2cd1c4c8c7..ad80b3fa8d11 100644 --- a/src/test/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr +++ b/src/test/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr @@ -9,8 +9,8 @@ LL | impl Foo for T { } | help: consider further restricting this bound | -LL | impl Foo for T { } - | ^^^^^^ +LL | impl Foo for T { } + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/insignificant_drop.fixed b/src/test/ui/closures/2229_closure_analysis/migrations/insignificant_drop.fixed new file mode 100644 index 000000000000..300f67e8b1e8 --- /dev/null +++ b/src/test/ui/closures/2229_closure_analysis/migrations/insignificant_drop.fixed @@ -0,0 +1,133 @@ +// run-rustfix + +#![deny(disjoint_capture_drop_reorder)] +//~^ NOTE: the lint level is defined here + +// Test cases for types that implement a insignificant drop (stlib defined) + +// `t` needs Drop because one of its elements needs drop, +// therefore precise capture might affect drop ordering +fn test1_all_need_migration() { + let t = (String::new(), String::new()); + let t1 = (String::new(), String::new()); + let t2 = (String::new(), String::new()); + + let c = || { let _ = (&t, &t1, &t2); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t`, `t1`, `t2` to be fully captured + + let _t = t.0; + let _t1 = t1.0; + let _t2 = t2.0; + }; + + c(); +} + +// String implements drop and therefore should be migrated. +// But in this test cases, `t2` is completely captured and when it is dropped won't be affected +fn test2_only_precise_paths_need_migration() { + let t = (String::new(), String::new()); + let t1 = (String::new(), String::new()); + let t2 = (String::new(), String::new()); + + let c = || { let _ = (&t, &t1); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t`, `t1` to be fully captured + let _t = t.0; + let _t1 = t1.0; + let _t2 = t2; + }; + + c(); +} + +// If a variable would've not been captured by value then it would've not been +// dropped with the closure and therefore doesn't need migration. +fn test3_only_by_value_need_migration() { + let t = (String::new(), String::new()); + let t1 = (String::new(), String::new()); + let c = || { let _ = &t; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + let _t = t.0; + println!("{}", t1.1); + }; + + c(); +} + +// Copy types get copied into the closure instead of move. Therefore we don't need to +// migrate then as their drop order isn't tied to the closure. +fn test4_only_non_copy_types_need_migration() { + let t = (String::new(), String::new()); + + // `t1` is Copy because all of its elements are Copy + let t1 = (0i32, 0i32); + + let c = || { let _ = &t; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + let _t = t.0; + let _t1 = t1.0; + }; + + c(); +} + +fn test5_only_drop_types_need_migration() { + struct S(i32, i32); + + let t = (String::new(), String::new()); + + // `s` doesn't implement Drop or any elements within it, and doesn't need migration + let s = S(0i32, 0i32); + + let c = || { let _ = &t; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + let _t = t.0; + let _s = s.0; + }; + + c(); +} + +// Since we are using a move closure here, both `t` and `t1` get moved +// even though they are being used by ref inside the closure. +fn test6_move_closures_non_copy_types_might_need_migration() { + let t = (String::new(), String::new()); + let t1 = (String::new(), String::new()); + let c = move || { let _ = (&t1, &t); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t1`, `t` to be fully captured + println!("{} {}", t1.1, t.1); + }; + + c(); +} + +// Test migration analysis in case of Drop + Non Drop aggregates. +// Note we need migration here only because the non-copy (because Drop type) is captured, +// otherwise we won't need to, since we can get away with just by ref capture in that case. +fn test7_drop_non_drop_aggregate_need_migration() { + let t = (String::new(), String::new(), 0i32); + + let c = || { let _ = &t; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + let _t = t.0; + }; + + c(); +} + +fn main() { + test1_all_need_migration(); + test2_only_precise_paths_need_migration(); + test3_only_by_value_need_migration(); + test4_only_non_copy_types_need_migration(); + test5_only_drop_types_need_migration(); + test6_move_closures_non_copy_types_might_need_migration(); + test7_drop_non_drop_aggregate_need_migration(); +} diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/insignificant_drop.rs b/src/test/ui/closures/2229_closure_analysis/migrations/insignificant_drop.rs index 02b373620966..a17c70d3e287 100644 --- a/src/test/ui/closures/2229_closure_analysis/migrations/insignificant_drop.rs +++ b/src/test/ui/closures/2229_closure_analysis/migrations/insignificant_drop.rs @@ -1,3 +1,5 @@ +// run-rustfix + #![deny(disjoint_capture_drop_reorder)] //~^ NOTE: the lint level is defined here @@ -11,8 +13,9 @@ fn test1_all_need_migration() { let t2 = (String::new(), String::new()); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t, t1, t2)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t`, `t1`, `t2` to be fully captured + let _t = t.0; let _t1 = t1.0; let _t2 = t2.0; @@ -29,8 +32,8 @@ fn test2_only_precise_paths_need_migration() { let t2 = (String::new(), String::new()); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t, t1)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t`, `t1` to be fully captured let _t = t.0; let _t1 = t1.0; let _t2 = t2; @@ -45,8 +48,8 @@ fn test3_only_by_value_need_migration() { let t = (String::new(), String::new()); let t1 = (String::new(), String::new()); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured let _t = t.0; println!("{}", t1.1); }; @@ -63,8 +66,8 @@ fn test4_only_non_copy_types_need_migration() { let t1 = (0i32, 0i32); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured let _t = t.0; let _t1 = t1.0; }; @@ -81,8 +84,8 @@ fn test5_only_drop_types_need_migration() { let s = S(0i32, 0i32); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured let _t = t.0; let _s = s.0; }; @@ -96,8 +99,8 @@ fn test6_move_closures_non_copy_types_might_need_migration() { let t = (String::new(), String::new()); let t1 = (String::new(), String::new()); let c = move || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t1, t)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t1`, `t` to be fully captured println!("{} {}", t1.1, t.1); }; @@ -111,8 +114,8 @@ fn test7_drop_non_drop_aggregate_need_migration() { let t = (String::new(), String::new(), 0i32); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured let _t = t.0; }; diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/insignificant_drop.stderr b/src/test/ui/closures/2229_closure_analysis/migrations/insignificant_drop.stderr index 656c132c12de..69c12d2bb56c 100644 --- a/src/test/ui/closures/2229_closure_analysis/migrations/insignificant_drop.stderr +++ b/src/test/ui/closures/2229_closure_analysis/migrations/insignificant_drop.stderr @@ -1,25 +1,33 @@ error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/insignificant_drop.rs:13:13 + --> $DIR/insignificant_drop.rs:15:13 | LL | let c = || { | _____________^ LL | | LL | | -LL | | let _t = t.0; -LL | | let _t1 = t1.0; +LL | | +... | LL | | let _t2 = t2.0; LL | | }; | |_____^ | note: the lint level is defined here - --> $DIR/insignificant_drop.rs:1:9 + --> $DIR/insignificant_drop.rs:3:9 | LL | #![deny(disjoint_capture_drop_reorder)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: drop(&(t, t1, t2)); +help: add a dummy let to cause `t`, `t1`, `t2` to be fully captured + | +LL | let c = || { let _ = (&t, &t1, &t2); +LL | +LL | +LL | +LL | let _t = t.0; +LL | let _t1 = t1.0; + ... error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/insignificant_drop.rs:31:13 + --> $DIR/insignificant_drop.rs:34:13 | LL | let c = || { | _____________^ @@ -31,10 +39,18 @@ LL | | let _t2 = t2; LL | | }; | |_____^ | - = note: drop(&(t, t1)); +help: add a dummy let to cause `t`, `t1` to be fully captured + | +LL | let c = || { let _ = (&t, &t1); +LL | +LL | +LL | let _t = t.0; +LL | let _t1 = t1.0; +LL | let _t2 = t2; + ... error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/insignificant_drop.rs:47:13 + --> $DIR/insignificant_drop.rs:50:13 | LL | let c = || { | _____________^ @@ -45,10 +61,18 @@ LL | | println!("{}", t1.1); LL | | }; | |_____^ | - = note: drop(&(t)); +help: add a dummy let to cause `t` to be fully captured + | +LL | let c = || { let _ = &t; +LL | +LL | +LL | let _t = t.0; +LL | println!("{}", t1.1); +LL | }; + | error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/insignificant_drop.rs:65:13 + --> $DIR/insignificant_drop.rs:68:13 | LL | let c = || { | _____________^ @@ -59,10 +83,18 @@ LL | | let _t1 = t1.0; LL | | }; | |_____^ | - = note: drop(&(t)); +help: add a dummy let to cause `t` to be fully captured + | +LL | let c = || { let _ = &t; +LL | +LL | +LL | let _t = t.0; +LL | let _t1 = t1.0; +LL | }; + | error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/insignificant_drop.rs:83:13 + --> $DIR/insignificant_drop.rs:86:13 | LL | let c = || { | _____________^ @@ -73,10 +105,18 @@ LL | | let _s = s.0; LL | | }; | |_____^ | - = note: drop(&(t)); +help: add a dummy let to cause `t` to be fully captured + | +LL | let c = || { let _ = &t; +LL | +LL | +LL | let _t = t.0; +LL | let _s = s.0; +LL | }; + | error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/insignificant_drop.rs:98:13 + --> $DIR/insignificant_drop.rs:101:13 | LL | let c = move || { | _____________^ @@ -86,10 +126,17 @@ LL | | println!("{} {}", t1.1, t.1); LL | | }; | |_____^ | - = note: drop(&(t1, t)); +help: add a dummy let to cause `t1`, `t` to be fully captured + | +LL | let c = move || { let _ = (&t1, &t); +LL | +LL | +LL | println!("{} {}", t1.1, t.1); +LL | }; + | error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/insignificant_drop.rs:113:13 + --> $DIR/insignificant_drop.rs:116:13 | LL | let c = || { | _____________^ @@ -99,7 +146,14 @@ LL | | let _t = t.0; LL | | }; | |_____^ | - = note: drop(&(t)); +help: add a dummy let to cause `t` to be fully captured + | +LL | let c = || { let _ = &t; +LL | +LL | +LL | let _t = t.0; +LL | }; + | error: aborting due to 7 previous errors diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/migrations_rustfix.fixed b/src/test/ui/closures/2229_closure_analysis/migrations/migrations_rustfix.fixed new file mode 100644 index 000000000000..a3e51a2b8e91 --- /dev/null +++ b/src/test/ui/closures/2229_closure_analysis/migrations/migrations_rustfix.fixed @@ -0,0 +1,40 @@ +// run-rustfix +#![deny(disjoint_capture_drop_reorder)] +//~^ NOTE: the lint level is defined here + +// Test the two possible cases for automated migartion using rustfix +// - Closure contains a block i.e. `|| { .. };` +// - Closure contains just an expr `|| ..;` + +#[derive(Debug)] +struct Foo(i32); +impl Drop for Foo { + fn drop(&mut self) { + println!("{:?} dropped", self.0); + } +} + +fn closure_contains_block() { + let t = (Foo(0), Foo(0)); + let c = || { let _ = &t; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + let _t = t.0; + }; + + c(); +} + +fn closure_doesnt_contain_block() { + let t = (Foo(0), Foo(0)); + let c = || { let _ = &t; t.0 }; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + + c(); +} + +fn main() { + closure_contains_block(); + closure_doesnt_contain_block(); +} diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/migrations_rustfix.rs b/src/test/ui/closures/2229_closure_analysis/migrations/migrations_rustfix.rs new file mode 100644 index 000000000000..0eb837b68883 --- /dev/null +++ b/src/test/ui/closures/2229_closure_analysis/migrations/migrations_rustfix.rs @@ -0,0 +1,40 @@ +// run-rustfix +#![deny(disjoint_capture_drop_reorder)] +//~^ NOTE: the lint level is defined here + +// Test the two possible cases for automated migartion using rustfix +// - Closure contains a block i.e. `|| { .. };` +// - Closure contains just an expr `|| ..;` + +#[derive(Debug)] +struct Foo(i32); +impl Drop for Foo { + fn drop(&mut self) { + println!("{:?} dropped", self.0); + } +} + +fn closure_contains_block() { + let t = (Foo(0), Foo(0)); + let c = || { + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + let _t = t.0; + }; + + c(); +} + +fn closure_doesnt_contain_block() { + let t = (Foo(0), Foo(0)); + let c = || t.0; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + + c(); +} + +fn main() { + closure_contains_block(); + closure_doesnt_contain_block(); +} diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/migrations_rustfix.stderr b/src/test/ui/closures/2229_closure_analysis/migrations/migrations_rustfix.stderr new file mode 100644 index 000000000000..e6173217edc2 --- /dev/null +++ b/src/test/ui/closures/2229_closure_analysis/migrations/migrations_rustfix.stderr @@ -0,0 +1,38 @@ +error: drop order affected for closure because of `capture_disjoint_fields` + --> $DIR/migrations_rustfix.rs:19:13 + | +LL | let c = || { + | _____________^ +LL | | +LL | | +LL | | let _t = t.0; +LL | | }; + | |_____^ + | +note: the lint level is defined here + --> $DIR/migrations_rustfix.rs:2:9 + | +LL | #![deny(disjoint_capture_drop_reorder)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: add a dummy let to cause `t` to be fully captured + | +LL | let c = || { let _ = &t; +LL | +LL | +LL | let _t = t.0; +LL | }; + | + +error: drop order affected for closure because of `capture_disjoint_fields` + --> $DIR/migrations_rustfix.rs:30:13 + | +LL | let c = || t.0; + | ^^^^^^ + | +help: add a dummy let to cause `t` to be fully captured + | +LL | let c = || { let _ = &t; t.0 }; + | ^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors + diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/precise.fixed b/src/test/ui/closures/2229_closure_analysis/migrations/precise.fixed new file mode 100644 index 000000000000..b739035c7842 --- /dev/null +++ b/src/test/ui/closures/2229_closure_analysis/migrations/precise.fixed @@ -0,0 +1,56 @@ +// run-rustfix + +#![deny(disjoint_capture_drop_reorder)] + +#[derive(Debug)] +struct Foo(i32); +impl Drop for Foo { + fn drop(&mut self) { + println!("{:?} dropped", self.0); + } +} + +struct ConstainsDropField(Foo, Foo); + +// Test that lint is triggered if a path that implements Drop is not captured by move +fn test_precise_analysis_drop_paths_not_captured_by_move() { + let t = ConstainsDropField(Foo(10), Foo(20)); + + let c = || { let _ = &t; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + let _t = t.0; + let _t = &t.1; + }; + + c(); +} + +struct S; +impl Drop for S { + fn drop(&mut self) { + } +} + +struct T(S, S); +struct U(T, T); + +// Test precise analysis for the lint works with paths longer than one. +fn test_precise_analysis_long_path_missing() { + let u = U(T(S, S), T(S, S)); + + let c = || { let _ = &u; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `u` to be fully captured + let _x = u.0.0; + let _x = u.0.1; + let _x = u.1.0; + }; + + c(); +} + +fn main() { + test_precise_analysis_drop_paths_not_captured_by_move(); + test_precise_analysis_long_path_missing(); +} diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/precise.rs b/src/test/ui/closures/2229_closure_analysis/migrations/precise.rs index 79702cc6b56f..e1f29c9d0e9d 100644 --- a/src/test/ui/closures/2229_closure_analysis/migrations/precise.rs +++ b/src/test/ui/closures/2229_closure_analysis/migrations/precise.rs @@ -1,5 +1,6 @@ +// run-rustfix + #![deny(disjoint_capture_drop_reorder)] -//~^ NOTE: the lint level is defined here #[derive(Debug)] struct Foo(i32); @@ -11,35 +12,13 @@ impl Drop for Foo { struct ConstainsDropField(Foo, Foo); -#[derive(Debug)] -struct ContainsAndImplsDrop(Foo); -impl Drop for ContainsAndImplsDrop { - fn drop(&mut self) { - println!("{:?} dropped", self.0); - } -} - -// Test that even if all paths starting at root variable that implement Drop are captured, -// the lint is triggered if the root variable implements drop and isn't captured. -fn test_precise_analysis_parent_root_impl_drop_not_captured() { - let t = ContainsAndImplsDrop(Foo(10)); - - let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t)); - let _t = t.0; - }; - - c(); -} - // Test that lint is triggered if a path that implements Drop is not captured by move fn test_precise_analysis_drop_paths_not_captured_by_move() { let t = ConstainsDropField(Foo(10), Foo(20)); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured let _t = t.0; let _t = &t.1; }; @@ -61,8 +40,8 @@ fn test_precise_analysis_long_path_missing() { let u = U(T(S, S), T(S, S)); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(u)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `u` to be fully captured let _x = u.0.0; let _x = u.0.1; let _x = u.1.0; @@ -72,7 +51,6 @@ fn test_precise_analysis_long_path_missing() { } fn main() { - test_precise_analysis_parent_root_impl_drop_not_captured(); test_precise_analysis_drop_paths_not_captured_by_move(); test_precise_analysis_long_path_missing(); } diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/precise.stderr b/src/test/ui/closures/2229_closure_analysis/migrations/precise.stderr index 968ca395f946..7135ded13c25 100644 --- a/src/test/ui/closures/2229_closure_analysis/migrations/precise.stderr +++ b/src/test/ui/closures/2229_closure_analysis/migrations/precise.stderr @@ -1,37 +1,32 @@ error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/precise.rs:27:13 + --> $DIR/precise.rs:19:13 | LL | let c = || { | _____________^ LL | | LL | | LL | | let _t = t.0; +LL | | let _t = &t.1; LL | | }; | |_____^ | note: the lint level is defined here - --> $DIR/precise.rs:1:9 + --> $DIR/precise.rs:3:9 | LL | #![deny(disjoint_capture_drop_reorder)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: drop(&(t)); - -error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/precise.rs:40:13 +help: add a dummy let to cause `t` to be fully captured | -LL | let c = || { - | _____________^ -LL | | -LL | | -LL | | let _t = t.0; -LL | | let _t = &t.1; -LL | | }; - | |_____^ +LL | let c = || { let _ = &t; +LL | +LL | +LL | let _t = t.0; +LL | let _t = &t.1; +LL | }; | - = note: drop(&(t)); error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/precise.rs:63:13 + --> $DIR/precise.rs:42:13 | LL | let c = || { | _____________^ @@ -43,7 +38,15 @@ LL | | let _x = u.1.0; LL | | }; | |_____^ | - = note: drop(&(u)); +help: add a dummy let to cause `u` to be fully captured + | +LL | let c = || { let _ = &u; +LL | +LL | +LL | let _x = u.0.0; +LL | let _x = u.0.1; +LL | let _x = u.1.0; + ... -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/significant_drop.fixed b/src/test/ui/closures/2229_closure_analysis/migrations/significant_drop.fixed new file mode 100644 index 000000000000..e1b212153f43 --- /dev/null +++ b/src/test/ui/closures/2229_closure_analysis/migrations/significant_drop.fixed @@ -0,0 +1,136 @@ +// run-rustfix +#![deny(disjoint_capture_drop_reorder)] +//~^ NOTE: the lint level is defined here + +// Test cases for types that implement a significant drop (user defined) + +#[derive(Debug)] +struct Foo(i32); +impl Drop for Foo { + fn drop(&mut self) { + println!("{:?} dropped", self.0); + } +} + +#[derive(Debug)] +struct ConstainsDropField(Foo, Foo); + +// `t` needs Drop because one of its elements needs drop, +// therefore precise capture might affect drop ordering +fn test1_all_need_migration() { + let t = (Foo(0), Foo(0)); + let t1 = (Foo(0), Foo(0)); + let t2 = (Foo(0), Foo(0)); + + let c = || { let _ = (&t, &t1, &t2); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t`, `t1`, `t2` to be fully captured + let _t = t.0; + let _t1 = t1.0; + let _t2 = t2.0; + }; + + c(); +} + +// String implements drop and therefore should be migrated. +// But in this test cases, `t2` is completely captured and when it is dropped won't be affected +fn test2_only_precise_paths_need_migration() { + let t = (Foo(0), Foo(0)); + let t1 = (Foo(0), Foo(0)); + let t2 = (Foo(0), Foo(0)); + + let c = || { let _ = (&t, &t1); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t`, `t1` to be fully captured + let _t = t.0; + let _t1 = t1.0; + let _t2 = t2; + }; + + c(); +} + +// If a variable would've not been captured by value then it would've not been +// dropped with the closure and therefore doesn't need migration. +fn test3_only_by_value_need_migration() { + let t = (Foo(0), Foo(0)); + let t1 = (Foo(0), Foo(0)); + let c = || { let _ = &t; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + let _t = t.0; + println!("{:?}", t1.1); + }; + + c(); +} + +// The root variable might not implement drop themselves but some path starting +// at the root variable might implement Drop. +// +// If this path isn't captured we need to migrate for the root variable. +fn test4_type_contains_drop_need_migration() { + let t = ConstainsDropField(Foo(0), Foo(0)); + + let c = || { let _ = &t; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + let _t = t.0; + }; + + c(); +} + +// Test migration analysis in case of Drop + Non Drop aggregates. +// Note we need migration here only because the non-copy (because Drop type) is captured, +// otherwise we won't need to, since we can get away with just by ref capture in that case. +fn test5_drop_non_drop_aggregate_need_migration() { + let t = (Foo(0), Foo(0), 0i32); + + let c = || { let _ = &t; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + let _t = t.0; + }; + + c(); +} + +// Test migration analysis in case of Significant and Insignificant Drop aggregates. +fn test6_significant_insignificant_drop_aggregate_need_migration() { + let t = (Foo(0), String::new()); + + let c = || { let _ = &t; + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured + let _t = t.1; + }; + + c(); +} + +// Since we are using a move closure here, both `t` and `t1` get moved +// even though they are being used by ref inside the closure. +fn test7_move_closures_non_copy_types_might_need_migration() { + let t = (Foo(0), Foo(0)); + let t1 = (Foo(0), Foo(0), Foo(0)); + + let c = move || { let _ = (&t1, &t); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t1`, `t` to be fully captured + println!("{:?} {:?}", t1.1, t.1); + }; + + c(); +} + +fn main() { + test1_all_need_migration(); + test2_only_precise_paths_need_migration(); + test3_only_by_value_need_migration(); + test4_type_contains_drop_need_migration(); + test5_drop_non_drop_aggregate_need_migration(); + test6_significant_insignificant_drop_aggregate_need_migration(); + test7_move_closures_non_copy_types_might_need_migration(); +} diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/significant_drop.rs b/src/test/ui/closures/2229_closure_analysis/migrations/significant_drop.rs index ed5e4ea8be01..106b29335151 100644 --- a/src/test/ui/closures/2229_closure_analysis/migrations/significant_drop.rs +++ b/src/test/ui/closures/2229_closure_analysis/migrations/significant_drop.rs @@ -1,3 +1,4 @@ +// run-rustfix #![deny(disjoint_capture_drop_reorder)] //~^ NOTE: the lint level is defined here @@ -22,8 +23,8 @@ fn test1_all_need_migration() { let t2 = (Foo(0), Foo(0)); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t, t1, t2)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t`, `t1`, `t2` to be fully captured let _t = t.0; let _t1 = t1.0; let _t2 = t2.0; @@ -40,8 +41,8 @@ fn test2_only_precise_paths_need_migration() { let t2 = (Foo(0), Foo(0)); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t, t1)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t`, `t1` to be fully captured let _t = t.0; let _t1 = t1.0; let _t2 = t2; @@ -56,8 +57,8 @@ fn test3_only_by_value_need_migration() { let t = (Foo(0), Foo(0)); let t1 = (Foo(0), Foo(0)); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured let _t = t.0; println!("{:?}", t1.1); }; @@ -73,8 +74,8 @@ fn test4_type_contains_drop_need_migration() { let t = ConstainsDropField(Foo(0), Foo(0)); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured let _t = t.0; }; @@ -88,8 +89,8 @@ fn test5_drop_non_drop_aggregate_need_migration() { let t = (Foo(0), Foo(0), 0i32); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured let _t = t.0; }; @@ -98,13 +99,11 @@ fn test5_drop_non_drop_aggregate_need_migration() { // Test migration analysis in case of Significant and Insignificant Drop aggregates. fn test6_significant_insignificant_drop_aggregate_need_migration() { - struct S(i32, i32); - let t = (Foo(0), String::new()); let c = || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t` to be fully captured let _t = t.1; }; @@ -118,8 +117,8 @@ fn test7_move_closures_non_copy_types_might_need_migration() { let t1 = (Foo(0), Foo(0), Foo(0)); let c = move || { - //~^ERROR: drop order affected for closure because of `capture_disjoint_fields` - //~| NOTE: drop(&(t1, t)); + //~^ ERROR: drop order affected for closure because of `capture_disjoint_fields` + //~| HELP: add a dummy let to cause `t1`, `t` to be fully captured println!("{:?} {:?}", t1.1, t.1); }; diff --git a/src/test/ui/closures/2229_closure_analysis/migrations/significant_drop.stderr b/src/test/ui/closures/2229_closure_analysis/migrations/significant_drop.stderr index 6c21b27b493b..ee29fe130605 100644 --- a/src/test/ui/closures/2229_closure_analysis/migrations/significant_drop.stderr +++ b/src/test/ui/closures/2229_closure_analysis/migrations/significant_drop.stderr @@ -1,5 +1,5 @@ error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/significant_drop.rs:24:13 + --> $DIR/significant_drop.rs:25:13 | LL | let c = || { | _____________^ @@ -12,14 +12,22 @@ LL | | }; | |_____^ | note: the lint level is defined here - --> $DIR/significant_drop.rs:1:9 + --> $DIR/significant_drop.rs:2:9 | LL | #![deny(disjoint_capture_drop_reorder)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: drop(&(t, t1, t2)); +help: add a dummy let to cause `t`, `t1`, `t2` to be fully captured + | +LL | let c = || { let _ = (&t, &t1, &t2); +LL | +LL | +LL | let _t = t.0; +LL | let _t1 = t1.0; +LL | let _t2 = t2.0; + ... error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/significant_drop.rs:42:13 + --> $DIR/significant_drop.rs:43:13 | LL | let c = || { | _____________^ @@ -31,10 +39,18 @@ LL | | let _t2 = t2; LL | | }; | |_____^ | - = note: drop(&(t, t1)); +help: add a dummy let to cause `t`, `t1` to be fully captured + | +LL | let c = || { let _ = (&t, &t1); +LL | +LL | +LL | let _t = t.0; +LL | let _t1 = t1.0; +LL | let _t2 = t2; + ... error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/significant_drop.rs:58:13 + --> $DIR/significant_drop.rs:59:13 | LL | let c = || { | _____________^ @@ -45,10 +61,18 @@ LL | | println!("{:?}", t1.1); LL | | }; | |_____^ | - = note: drop(&(t)); +help: add a dummy let to cause `t` to be fully captured + | +LL | let c = || { let _ = &t; +LL | +LL | +LL | let _t = t.0; +LL | println!("{:?}", t1.1); +LL | }; + | error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/significant_drop.rs:75:13 + --> $DIR/significant_drop.rs:76:13 | LL | let c = || { | _____________^ @@ -58,10 +82,17 @@ LL | | let _t = t.0; LL | | }; | |_____^ | - = note: drop(&(t)); +help: add a dummy let to cause `t` to be fully captured + | +LL | let c = || { let _ = &t; +LL | +LL | +LL | let _t = t.0; +LL | }; + | error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/significant_drop.rs:90:13 + --> $DIR/significant_drop.rs:91:13 | LL | let c = || { | _____________^ @@ -71,10 +102,17 @@ LL | | let _t = t.0; LL | | }; | |_____^ | - = note: drop(&(t)); +help: add a dummy let to cause `t` to be fully captured + | +LL | let c = || { let _ = &t; +LL | +LL | +LL | let _t = t.0; +LL | }; + | error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/significant_drop.rs:105:13 + --> $DIR/significant_drop.rs:104:13 | LL | let c = || { | _____________^ @@ -84,10 +122,17 @@ LL | | let _t = t.1; LL | | }; | |_____^ | - = note: drop(&(t)); +help: add a dummy let to cause `t` to be fully captured + | +LL | let c = || { let _ = &t; +LL | +LL | +LL | let _t = t.1; +LL | }; + | error: drop order affected for closure because of `capture_disjoint_fields` - --> $DIR/significant_drop.rs:120:13 + --> $DIR/significant_drop.rs:119:13 | LL | let c = move || { | _____________^ @@ -97,7 +142,14 @@ LL | | println!("{:?} {:?}", t1.1, t.1); LL | | }; | |_____^ | - = note: drop(&(t1, t)); +help: add a dummy let to cause `t1`, `t` to be fully captured + | +LL | let c = move || { let _ = (&t1, &t); +LL | +LL | +LL | println!("{:?} {:?}", t1.1, t.1); +LL | }; + | error: aborting due to 7 previous errors diff --git a/src/test/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr b/src/test/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr index 48f18b1ebe95..273eae995538 100644 --- a/src/test/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr +++ b/src/test/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr @@ -9,8 +9,8 @@ LL | fn foo(blk: F) -> X where F: FnOnce() + 'static { | help: consider further restricting this bound | -LL | fn foo(blk: F) -> X where F: FnOnce() + 'static + Send { - | ^^^^^^ +LL | fn foo(blk: F) -> X where F: FnOnce() + 'static + std::marker::Send { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/closures/closure-bounds-subtype.stderr b/src/test/ui/closures/closure-bounds-subtype.stderr index d649eeccb8cc..7df29d5a098a 100644 --- a/src/test/ui/closures/closure-bounds-subtype.stderr +++ b/src/test/ui/closures/closure-bounds-subtype.stderr @@ -9,8 +9,8 @@ LL | take_const_owned(f); | help: consider further restricting this bound | -LL | fn give_owned(f: F) where F: FnOnce() + Send + Sync { - | ^^^^^^ +LL | fn give_owned(f: F) where F: FnOnce() + Send + std::marker::Sync { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/coherence/coherence-blanket-conflicts-with-blanket-implemented.stderr b/src/test/ui/coherence/coherence-blanket-conflicts-with-blanket-implemented.stderr index e95826ed4d53..9156972a1df9 100644 --- a/src/test/ui/coherence/coherence-blanket-conflicts-with-blanket-implemented.stderr +++ b/src/test/ui/coherence/coherence-blanket-conflicts-with-blanket-implemented.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait`: +error[E0119]: conflicting implementations of trait `MyTrait` --> $DIR/coherence-blanket-conflicts-with-blanket-implemented.rs:24:1 | LL | impl MyTrait for T { diff --git a/src/test/ui/coherence/coherence-blanket-conflicts-with-blanket-unimplemented.stderr b/src/test/ui/coherence/coherence-blanket-conflicts-with-blanket-unimplemented.stderr index ea9838b4520e..8400968e1227 100644 --- a/src/test/ui/coherence/coherence-blanket-conflicts-with-blanket-unimplemented.stderr +++ b/src/test/ui/coherence/coherence-blanket-conflicts-with-blanket-unimplemented.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait`: +error[E0119]: conflicting implementations of trait `MyTrait` --> $DIR/coherence-blanket-conflicts-with-blanket-unimplemented.rs:20:1 | LL | impl MyTrait for T { diff --git a/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-cross-crate.stderr b/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-cross-crate.stderr index a2008f04265d..c25c43692928 100644 --- a/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-cross-crate.stderr +++ b/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-cross-crate.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `go_trait::GoMut` for type `MyThingy`: +error[E0119]: conflicting implementations of trait `go_trait::GoMut` for type `MyThingy` --> $DIR/coherence-blanket-conflicts-with-specific-cross-crate.rs:15:1 | LL | impl GoMut for MyThingy { diff --git a/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.stderr b/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.stderr index af4f4d09d7ab..c2a925213da2 100644 --- a/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.stderr +++ b/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait` for type `MyType`: +error[E0119]: conflicting implementations of trait `MyTrait` for type `MyType` --> $DIR/coherence-blanket-conflicts-with-specific-multidispatch.rs:22:1 | LL | impl MyTrait for T { diff --git a/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-trait.stderr b/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-trait.stderr index 6922f3ebffaf..e1a5dffebdaa 100644 --- a/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-trait.stderr +++ b/src/test/ui/coherence/coherence-blanket-conflicts-with-specific-trait.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait` for type `MyType`: +error[E0119]: conflicting implementations of trait `MyTrait` for type `MyType` --> $DIR/coherence-blanket-conflicts-with-specific-trait.rs:20:1 | LL | impl MyTrait for T { diff --git a/src/test/ui/coherence/coherence-blanket-conflicts-with-specific.stderr b/src/test/ui/coherence/coherence-blanket-conflicts-with-specific.stderr index 4bc282764796..ba60a2ea9294 100644 --- a/src/test/ui/coherence/coherence-blanket-conflicts-with-specific.stderr +++ b/src/test/ui/coherence/coherence-blanket-conflicts-with-specific.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait` for type `MyType`: +error[E0119]: conflicting implementations of trait `MyTrait` for type `MyType` --> $DIR/coherence-blanket-conflicts-with-specific.rs:19:1 | LL | impl MyTrait for T { diff --git a/src/test/ui/coherence/coherence-conflicting-negative-trait-impl.stderr b/src/test/ui/coherence/coherence-conflicting-negative-trait-impl.stderr index 4d9f815c7958..5295170cd8bf 100644 --- a/src/test/ui/coherence/coherence-conflicting-negative-trait-impl.stderr +++ b/src/test/ui/coherence/coherence-conflicting-negative-trait-impl.stderr @@ -7,7 +7,7 @@ LL | LL | impl !Send for TestType {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ negative implementation here -error[E0119]: conflicting implementations of trait `std::marker::Send` for type `TestType<_>`: +error[E0119]: conflicting implementations of trait `std::marker::Send` for type `TestType<_>` --> $DIR/coherence-conflicting-negative-trait-impl.rs:13:1 | LL | unsafe impl Send for TestType {} diff --git a/src/test/ui/coherence/coherence-cross-crate-conflict.stderr b/src/test/ui/coherence/coherence-cross-crate-conflict.stderr index 827d26ab4344..d0d86c72ffc6 100644 --- a/src/test/ui/coherence/coherence-cross-crate-conflict.stderr +++ b/src/test/ui/coherence/coherence-cross-crate-conflict.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `trait_impl_conflict::Foo` for type `isize`: +error[E0119]: conflicting implementations of trait `trait_impl_conflict::Foo` for type `isize` --> $DIR/coherence-cross-crate-conflict.rs:9:1 | LL | impl Foo for A { diff --git a/src/test/ui/coherence/coherence-fn-covariant-bound-vs-static.stderr b/src/test/ui/coherence/coherence-fn-covariant-bound-vs-static.stderr index 49271edf8e5e..7dabd97b94e8 100644 --- a/src/test/ui/coherence/coherence-fn-covariant-bound-vs-static.stderr +++ b/src/test/ui/coherence/coherence-fn-covariant-bound-vs-static.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Trait` for type `for<'r> fn(fn(&'r ()))`: +error[E0119]: conflicting implementations of trait `Trait` for type `for<'r> fn(fn(&'r ()))` --> $DIR/coherence-fn-covariant-bound-vs-static.rs:17:1 | LL | impl Trait for for<'r> fn(fn(&'r ())) {} diff --git a/src/test/ui/coherence/coherence-fn-implied-bounds.stderr b/src/test/ui/coherence/coherence-fn-implied-bounds.stderr index a3e7f0bcde37..c8accc997479 100644 --- a/src/test/ui/coherence/coherence-fn-implied-bounds.stderr +++ b/src/test/ui/coherence/coherence-fn-implied-bounds.stderr @@ -1,4 +1,4 @@ -error: conflicting implementations of trait `Trait` for type `for<'a, 'b> fn(&'a &'b u32, &'b &'a u32) -> &'b u32`: +error: conflicting implementations of trait `Trait` for type `for<'a, 'b> fn(&'a &'b u32, &'b &'a u32) -> &'b u32` --> $DIR/coherence-fn-implied-bounds.rs:21:1 | LL | impl Trait for for<'a, 'b> fn(&'a &'b u32, &'b &'a u32) -> &'b u32 {} diff --git a/src/test/ui/coherence/coherence-fn-inputs.stderr b/src/test/ui/coherence/coherence-fn-inputs.stderr index 56ab873a3932..82bd8a35f457 100644 --- a/src/test/ui/coherence/coherence-fn-inputs.stderr +++ b/src/test/ui/coherence/coherence-fn-inputs.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Trait` for type `for<'a, 'b> fn(&'a u32, &'b u32)`: +error[E0119]: conflicting implementations of trait `Trait` for type `for<'a, 'b> fn(&'a u32, &'b u32)` --> $DIR/coherence-fn-inputs.rs:15:1 | LL | impl Trait for for<'a, 'b> fn(&'a u32, &'b u32) {} diff --git a/src/test/ui/coherence/coherence-free-vs-bound-region.stderr b/src/test/ui/coherence/coherence-free-vs-bound-region.stderr index 97aa49127214..c249fa43c3b6 100644 --- a/src/test/ui/coherence/coherence-free-vs-bound-region.stderr +++ b/src/test/ui/coherence/coherence-free-vs-bound-region.stderr @@ -1,4 +1,4 @@ -error: conflicting implementations of trait `TheTrait` for type `fn(&u8)`: +error: conflicting implementations of trait `TheTrait` for type `fn(&u8)` --> $DIR/coherence-free-vs-bound-region.rs:16:1 | LL | impl<'a> TheTrait for fn(&'a u8) {} diff --git a/src/test/ui/coherence/coherence-impls-copy.stderr b/src/test/ui/coherence/coherence-impls-copy.stderr index 8cc24f099e38..2ac0706d72e5 100644 --- a/src/test/ui/coherence/coherence-impls-copy.stderr +++ b/src/test/ui/coherence/coherence-impls-copy.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `i32`: +error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `i32` --> $DIR/coherence-impls-copy.rs:5:1 | LL | impl Copy for i32 {} @@ -7,7 +7,7 @@ LL | impl Copy for i32 {} = note: conflicting implementation in crate `core`: - impl Copy for i32; -error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `&NotSync`: +error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `&NotSync` --> $DIR/coherence-impls-copy.rs:29:1 | LL | impl Copy for &'static NotSync {} @@ -17,7 +17,7 @@ LL | impl Copy for &'static NotSync {} - impl Copy for &T where T: ?Sized; -error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `&[NotSync]`: +error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `&[NotSync]` --> $DIR/coherence-impls-copy.rs:34:1 | LL | impl Copy for &'static [NotSync] {} diff --git a/src/test/ui/coherence/coherence-impls-send.stderr b/src/test/ui/coherence/coherence-impls-send.stderr index edca31b5daee..46e9e7e986c3 100644 --- a/src/test/ui/coherence/coherence-impls-send.stderr +++ b/src/test/ui/coherence/coherence-impls-send.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::marker::Send` for type `&[NotSync]`: +error[E0119]: conflicting implementations of trait `std::marker::Send` for type `&[NotSync]` --> $DIR/coherence-impls-send.rs:25:1 | LL | unsafe impl Send for &'static [NotSync] {} diff --git a/src/test/ui/coherence/coherence-no-direct-lifetime-dispatch.stderr b/src/test/ui/coherence/coherence-no-direct-lifetime-dispatch.stderr index a74ffbb3afd9..8a43ad7b7f0e 100644 --- a/src/test/ui/coherence/coherence-no-direct-lifetime-dispatch.stderr +++ b/src/test/ui/coherence/coherence-no-direct-lifetime-dispatch.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait`: +error[E0119]: conflicting implementations of trait `MyTrait` --> $DIR/coherence-no-direct-lifetime-dispatch.rs:6:1 | LL | impl MyTrait for T {} diff --git a/src/test/ui/coherence/coherence-overlap-all-t-and-tuple.stderr b/src/test/ui/coherence/coherence-overlap-all-t-and-tuple.stderr index 5e8bfbcc3caf..6a0880334b6e 100644 --- a/src/test/ui/coherence/coherence-overlap-all-t-and-tuple.stderr +++ b/src/test/ui/coherence/coherence-overlap-all-t-and-tuple.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `From<(_,)>` for type `(_,)`: +error[E0119]: conflicting implementations of trait `From<(_,)>` for type `(_,)` --> $DIR/coherence-overlap-all-t-and-tuple.rs:16:1 | LL | impl From for T { diff --git a/src/test/ui/coherence/coherence-overlap-downstream.stderr b/src/test/ui/coherence/coherence-overlap-downstream.stderr index 6fb398562d6b..9ab099489d9e 100644 --- a/src/test/ui/coherence/coherence-overlap-downstream.stderr +++ b/src/test/ui/coherence/coherence-overlap-downstream.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Sweet`: +error[E0119]: conflicting implementations of trait `Sweet` --> $DIR/coherence-overlap-downstream.rs:8:1 | LL | impl Sweet for T { } @@ -6,7 +6,7 @@ LL | impl Sweet for T { } LL | impl Sweet for T { } | ^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation -error[E0119]: conflicting implementations of trait `Foo<_>` for type `i32`: +error[E0119]: conflicting implementations of trait `Foo<_>` for type `i32` --> $DIR/coherence-overlap-downstream.rs:14:1 | LL | impl Foo for T where T: Bar {} diff --git a/src/test/ui/coherence/coherence-overlap-issue-23516.stderr b/src/test/ui/coherence/coherence-overlap-issue-23516.stderr index fe4c5cf3490d..85eb189e10ee 100644 --- a/src/test/ui/coherence/coherence-overlap-issue-23516.stderr +++ b/src/test/ui/coherence/coherence-overlap-issue-23516.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Sweet` for type `std::boxed::Box<_>`: +error[E0119]: conflicting implementations of trait `Sweet` for type `std::boxed::Box<_>` --> $DIR/coherence-overlap-issue-23516.rs:8:1 | LL | impl Sweet for T { } diff --git a/src/test/ui/coherence/coherence-overlap-messages.stderr b/src/test/ui/coherence/coherence-overlap-messages.stderr index 28147f52fa61..5a97296eebd9 100644 --- a/src/test/ui/coherence/coherence-overlap-messages.stderr +++ b/src/test/ui/coherence/coherence-overlap-messages.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Foo`: +error[E0119]: conflicting implementations of trait `Foo` --> $DIR/coherence-overlap-messages.rs:4:1 | LL | impl Foo for T {} @@ -6,7 +6,7 @@ LL | impl Foo for T {} LL | impl Foo for U {} | ^^^^^^^^^^^^^^^^^ conflicting implementation -error[E0119]: conflicting implementations of trait `Bar` for type `(u8, u8)`: +error[E0119]: conflicting implementations of trait `Bar` for type `(u8, u8)` --> $DIR/coherence-overlap-messages.rs:11:1 | LL | impl Bar for (T, u8) {} @@ -14,7 +14,7 @@ LL | impl Bar for (T, u8) {} LL | impl Bar for (u8, T) {} | ^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(u8, u8)` -error[E0119]: conflicting implementations of trait `Baz` for type `u8`: +error[E0119]: conflicting implementations of trait `Baz` for type `u8` --> $DIR/coherence-overlap-messages.rs:17:1 | LL | impl Baz for T {} @@ -22,7 +22,7 @@ LL | impl Baz for T {} LL | impl Baz for u8 {} | ^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u8` -error[E0119]: conflicting implementations of trait `Quux<_, _>`: +error[E0119]: conflicting implementations of trait `Quux<_, _>` --> $DIR/coherence-overlap-messages.rs:23:1 | LL | impl Quux for T {} @@ -30,7 +30,7 @@ LL | impl Quux for T {} LL | impl Quux for T {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation -error[E0119]: conflicting implementations of trait `Quux<_, _>`: +error[E0119]: conflicting implementations of trait `Quux<_, _>` --> $DIR/coherence-overlap-messages.rs:25:1 | LL | impl Quux for T {} diff --git a/src/test/ui/coherence/coherence-overlap-upstream.stderr b/src/test/ui/coherence/coherence-overlap-upstream.stderr index 8d3de9a243e8..8272c8875860 100644 --- a/src/test/ui/coherence/coherence-overlap-upstream.stderr +++ b/src/test/ui/coherence/coherence-overlap-upstream.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Foo` for type `i16`: +error[E0119]: conflicting implementations of trait `Foo` for type `i16` --> $DIR/coherence-overlap-upstream.rs:13:1 | LL | impl Foo for T where T: Remote {} diff --git a/src/test/ui/coherence/coherence-projection-conflict-orphan.stderr b/src/test/ui/coherence/coherence-projection-conflict-orphan.stderr index 06a840255bd9..51f6faab3c7e 100644 --- a/src/test/ui/coherence/coherence-projection-conflict-orphan.stderr +++ b/src/test/ui/coherence/coherence-projection-conflict-orphan.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Foo` for type `i32`: +error[E0119]: conflicting implementations of trait `Foo` for type `i32` --> $DIR/coherence-projection-conflict-orphan.rs:16:1 | LL | impl Foo for i32 { } diff --git a/src/test/ui/coherence/coherence-projection-conflict-ty-param.stderr b/src/test/ui/coherence/coherence-projection-conflict-ty-param.stderr index c5c9b0ac33c2..85d3d358f83c 100644 --- a/src/test/ui/coherence/coherence-projection-conflict-ty-param.stderr +++ b/src/test/ui/coherence/coherence-projection-conflict-ty-param.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Foo<_>` for type `std::option::Option<_>`: +error[E0119]: conflicting implementations of trait `Foo<_>` for type `std::option::Option<_>` --> $DIR/coherence-projection-conflict-ty-param.rs:10:1 | LL | impl > Foo

for Option {} diff --git a/src/test/ui/coherence/coherence-projection-conflict.stderr b/src/test/ui/coherence/coherence-projection-conflict.stderr index aed6910b5290..e7d1fb293466 100644 --- a/src/test/ui/coherence/coherence-projection-conflict.stderr +++ b/src/test/ui/coherence/coherence-projection-conflict.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Foo` for type `i32`: +error[E0119]: conflicting implementations of trait `Foo` for type `i32` --> $DIR/coherence-projection-conflict.rs:11:1 | LL | impl Foo for i32 { } diff --git a/src/test/ui/coherence/coherence-subtyping.stderr b/src/test/ui/coherence/coherence-subtyping.stderr index 7f751a24c75c..6f95f0a06b5f 100644 --- a/src/test/ui/coherence/coherence-subtyping.stderr +++ b/src/test/ui/coherence/coherence-subtyping.stderr @@ -1,4 +1,4 @@ -warning: conflicting implementations of trait `TheTrait` for type `for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8`: +warning: conflicting implementations of trait `TheTrait` for type `for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8` --> $DIR/coherence-subtyping.rs:15:1 | LL | impl TheTrait for for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8 {} diff --git a/src/test/ui/coherence/coherence-tuple-conflict.stderr b/src/test/ui/coherence/coherence-tuple-conflict.stderr index f6c2bc32aa87..09ad5e5b2243 100644 --- a/src/test/ui/coherence/coherence-tuple-conflict.stderr +++ b/src/test/ui/coherence/coherence-tuple-conflict.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait` for type `(_, _)`: +error[E0119]: conflicting implementations of trait `MyTrait` for type `(_, _)` --> $DIR/coherence-tuple-conflict.rs:15:1 | LL | impl MyTrait for (T,T) { diff --git a/src/test/ui/coherence/coherence-wasm-bindgen.stderr b/src/test/ui/coherence/coherence-wasm-bindgen.stderr index c77483bb847f..432646e5321e 100644 --- a/src/test/ui/coherence/coherence-wasm-bindgen.stderr +++ b/src/test/ui/coherence/coherence-wasm-bindgen.stderr @@ -1,4 +1,4 @@ -error: conflicting implementations of trait `IntoWasmAbi` for type `&dyn std::ops::Fn(&_) -> _`: +error: conflicting implementations of trait `IntoWasmAbi` for type `&dyn std::ops::Fn(&_) -> _` --> $DIR/coherence-wasm-bindgen.rs:28:1 | LL | / impl<'a, 'b, A, R> IntoWasmAbi for &'a (dyn Fn(A) -> R + 'b) diff --git a/src/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.stderr b/src/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.stderr index cf6c6fb8c7a9..db730650185e 100644 --- a/src/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.stderr +++ b/src/test/ui/coherence/coherence_copy_like_err_fundamental_struct_tuple.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait` for type `lib::MyFundamentalStruct<(MyType,)>`: +error[E0119]: conflicting implementations of trait `MyTrait` for type `lib::MyFundamentalStruct<(MyType,)>` --> $DIR/coherence_copy_like_err_fundamental_struct_tuple.rs:16:1 | LL | impl MyTrait for T { } diff --git a/src/test/ui/coherence/coherence_copy_like_err_struct.stderr b/src/test/ui/coherence/coherence_copy_like_err_struct.stderr index cf79e851bf4a..3bc3dffda5d1 100644 --- a/src/test/ui/coherence/coherence_copy_like_err_struct.stderr +++ b/src/test/ui/coherence/coherence_copy_like_err_struct.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait` for type `lib::MyStruct`: +error[E0119]: conflicting implementations of trait `MyTrait` for type `lib::MyStruct` --> $DIR/coherence_copy_like_err_struct.rs:19:1 | LL | impl MyTrait for T { } diff --git a/src/test/ui/coherence/coherence_copy_like_err_tuple.stderr b/src/test/ui/coherence/coherence_copy_like_err_tuple.stderr index 52f66427dfae..090497ec1897 100644 --- a/src/test/ui/coherence/coherence_copy_like_err_tuple.stderr +++ b/src/test/ui/coherence/coherence_copy_like_err_tuple.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait` for type `(MyType,)`: +error[E0119]: conflicting implementations of trait `MyTrait` for type `(MyType,)` --> $DIR/coherence_copy_like_err_tuple.rs:18:1 | LL | impl MyTrait for T { } diff --git a/src/test/ui/commandline-argfile-missing.rs b/src/test/ui/commandline-argfile-missing.rs index 020c3ff3c7e6..5a6465bd0646 100644 --- a/src/test/ui/commandline-argfile-missing.rs +++ b/src/test/ui/commandline-argfile-missing.rs @@ -1,6 +1,5 @@ // Check to see if we can get parameters from an @argsfile file // -// ignore-tidy-linelength // normalize-stderr-test: "os error \d+" -> "os error $$ERR" // normalize-stderr-test: "commandline-argfile-missing.args:[^(]*" -> "commandline-argfile-missing.args: $$FILE_MISSING " // compile-flags: --cfg cmdline_set @{{src-base}}/commandline-argfile-missing.args diff --git a/src/test/ui/const-generics/const-argument-if-length.full.stderr b/src/test/ui/const-generics/const-argument-if-length.full.stderr index 5dca01f0dc07..c6088e665a23 100644 --- a/src/test/ui/const-generics/const-argument-if-length.full.stderr +++ b/src/test/ui/const-generics/const-argument-if-length.full.stderr @@ -2,7 +2,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim --> $DIR/const-argument-if-length.rs:7:28 | LL | pub const fn is_zst() -> usize { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | if std::mem::size_of::() == 0 { | ^ doesn't have a size known at compile-time | @@ -15,7 +15,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim --> $DIR/const-argument-if-length.rs:16:12 | LL | pub struct AtLeastByte { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | value: T, | ^ doesn't have a size known at compile-time | diff --git a/src/test/ui/const-generics/const-argument-if-length.min.stderr b/src/test/ui/const-generics/const-argument-if-length.min.stderr index ea177c197461..bc06e8d7fb12 100644 --- a/src/test/ui/const-generics/const-argument-if-length.min.stderr +++ b/src/test/ui/const-generics/const-argument-if-length.min.stderr @@ -11,7 +11,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim --> $DIR/const-argument-if-length.rs:16:12 | LL | pub struct AtLeastByte { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | value: T, | ^ doesn't have a size known at compile-time | diff --git a/src/test/ui/const-generics/defaults/complex-unord-param.rs b/src/test/ui/const-generics/defaults/complex-unord-param.rs index 82b3627d22ff..d24e403e017e 100644 --- a/src/test/ui/const-generics/defaults/complex-unord-param.rs +++ b/src/test/ui/const-generics/defaults/complex-unord-param.rs @@ -6,16 +6,16 @@ #![allow(dead_code)] struct NestedArrays<'a, const N: usize, A: 'a, const M: usize, T:'a =u32> { - //[min]~^ ERROR type parameters must be declared prior to const parameters - args: &'a [&'a [T; M]; N], - specifier: A, + //[min]~^ ERROR type parameters must be declared prior to const parameters + args: &'a [&'a [T; M]; N], + specifier: A, } fn main() { - let array = [1, 2, 3]; - let nest = [&array]; - let _ = NestedArrays { - args: &nest, - specifier: true, - }; + let array = [1, 2, 3]; + let nest = [&array]; + let _ = NestedArrays { + args: &nest, + specifier: true, + }; } diff --git a/src/test/ui/const-generics/defaults/default-annotation.rs b/src/test/ui/const-generics/defaults/default-annotation.rs index e6e8d732beef..3febb7cffbf1 100644 --- a/src/test/ui/const-generics/defaults/default-annotation.rs +++ b/src/test/ui/const-generics/defaults/default-annotation.rs @@ -13,8 +13,8 @@ pub struct ConstDefaultUnstable; #[stable(feature = "const_default_unstable", since="none")] pub struct ConstDefaultStable; fn main() {} diff --git a/src/test/ui/const-generics/defaults/mismatch.rs b/src/test/ui/const-generics/defaults/mismatch.rs index bf578468bb61..d85b756f538d 100644 --- a/src/test/ui/const-generics/defaults/mismatch.rs +++ b/src/test/ui/const-generics/defaults/mismatch.rs @@ -8,16 +8,16 @@ pub struct Example3(T); pub struct Example4; fn main() { - let e: Example::<13> = (); - //~^ Error: mismatched types - let e: Example2:: = (); - //~^ Error: mismatched types - let e: Example3::<13, u32> = (); - //~^ Error: mismatched types - let e: Example3::<7> = (); - //~^ Error: mismatched types - // FIXME(const_generics_defaults): There should be a note for the error below, but it is - // missing. - let e: Example4::<7> = (); - //~^ Error: mismatched types + let e: Example::<13> = (); + //~^ Error: mismatched types + let e: Example2:: = (); + //~^ Error: mismatched types + let e: Example3::<13, u32> = (); + //~^ Error: mismatched types + let e: Example3::<7> = (); + //~^ Error: mismatched types + // FIXME(const_generics_defaults): There should be a note for the error below, but it is + // missing. + let e: Example4::<7> = (); + //~^ Error: mismatched types } diff --git a/src/test/ui/const-generics/defaults/mismatch.stderr b/src/test/ui/const-generics/defaults/mismatch.stderr index c66eb4cd6459..ff72c71c40f0 100644 --- a/src/test/ui/const-generics/defaults/mismatch.stderr +++ b/src/test/ui/const-generics/defaults/mismatch.stderr @@ -1,51 +1,51 @@ error[E0308]: mismatched types - --> $DIR/mismatch.rs:11:26 + --> $DIR/mismatch.rs:11:28 | -LL | let e: Example::<13> = (); - | ------------- ^^ expected struct `Example`, found `()` - | | - | expected due to this +LL | let e: Example::<13> = (); + | ------------- ^^ expected struct `Example`, found `()` + | | + | expected due to this error[E0308]: mismatched types - --> $DIR/mismatch.rs:13:32 + --> $DIR/mismatch.rs:13:34 | -LL | let e: Example2:: = (); - | ------------------- ^^ expected struct `Example2`, found `()` - | | - | expected due to this +LL | let e: Example2:: = (); + | ------------------- ^^ expected struct `Example2`, found `()` + | | + | expected due to this | = note: expected struct `Example2` found unit type `()` error[E0308]: mismatched types - --> $DIR/mismatch.rs:15:32 + --> $DIR/mismatch.rs:15:34 | -LL | let e: Example3::<13, u32> = (); - | ------------------- ^^ expected struct `Example3`, found `()` - | | - | expected due to this +LL | let e: Example3::<13, u32> = (); + | ------------------- ^^ expected struct `Example3`, found `()` + | | + | expected due to this | = note: expected struct `Example3` found unit type `()` error[E0308]: mismatched types - --> $DIR/mismatch.rs:17:26 + --> $DIR/mismatch.rs:17:28 | -LL | let e: Example3::<7> = (); - | ------------- ^^ expected struct `Example3`, found `()` - | | - | expected due to this +LL | let e: Example3::<7> = (); + | ------------- ^^ expected struct `Example3`, found `()` + | | + | expected due to this | = note: expected struct `Example3<7_usize>` found unit type `()` error[E0308]: mismatched types - --> $DIR/mismatch.rs:21:26 + --> $DIR/mismatch.rs:21:28 | -LL | let e: Example4::<7> = (); - | ------------- ^^ expected struct `Example4`, found `()` - | | - | expected due to this +LL | let e: Example4::<7> = (); + | ------------- ^^ expected struct `Example4`, found `()` + | | + | expected due to this error: aborting due to 5 previous errors diff --git a/src/test/ui/const-generics/defaults/needs-feature.rs b/src/test/ui/const-generics/defaults/needs-feature.rs index 7eb7764a6444..b58dee0712a7 100644 --- a/src/test/ui/const-generics/defaults/needs-feature.rs +++ b/src/test/ui/const-generics/defaults/needs-feature.rs @@ -10,5 +10,5 @@ struct A(T); //[min]~^ ERROR type parameters must be declared prior fn main() { - let _: A<3> = A(0); + let _: A<3> = A(0); } diff --git a/src/test/ui/const-generics/defaults/repr-c-issue-82792.rs b/src/test/ui/const-generics/defaults/repr-c-issue-82792.rs new file mode 100644 index 000000000000..18ecf4672997 --- /dev/null +++ b/src/test/ui/const-generics/defaults/repr-c-issue-82792.rs @@ -0,0 +1,14 @@ +// Regression test for #82792. + +// run-pass + +#![feature(const_generics_defaults)] +#![allow(incomplete_features)] + +#[repr(C)] +pub struct Loaf { + head: [T; N], + slice: [T], +} + +fn main() {} diff --git a/src/test/ui/const-generics/defaults/simple-defaults.rs b/src/test/ui/const-generics/defaults/simple-defaults.rs index 1f1b6c2260db..cb66c7769bb2 100644 --- a/src/test/ui/const-generics/defaults/simple-defaults.rs +++ b/src/test/ui/const-generics/defaults/simple-defaults.rs @@ -6,12 +6,12 @@ #![allow(dead_code)] struct FixedOutput<'a, const N: usize, T=u32> { - //[min]~^ ERROR type parameters must be declared prior to const parameters - out: &'a [T; N], + //[min]~^ ERROR type parameters must be declared prior to const parameters + out: &'a [T; N], } trait FixedOutputter { - fn out(&self) -> FixedOutput<'_, 10>; + fn out(&self) -> FixedOutput<'_, 10>; } fn main() {} diff --git a/src/test/ui/const-generics/issues/issue-61336-2.full.stderr b/src/test/ui/const-generics/issues/issue-61336-2.full.stderr index 9f8e68d211de..ef0cafcb9bb7 100644 --- a/src/test/ui/const-generics/issues/issue-61336-2.full.stderr +++ b/src/test/ui/const-generics/issues/issue-61336-2.full.stderr @@ -16,8 +16,8 @@ LL | [x; { N }] = note: the `Copy` trait is required because the repeated element will be copied help: consider restricting type parameter `T` | -LL | fn g(x: T) -> [T; N] { - | ^^^^^^ +LL | fn g(x: T) -> [T; N] { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/const-generics/issues/issue-61336-2.min.stderr b/src/test/ui/const-generics/issues/issue-61336-2.min.stderr index 82d17a87e0af..e5fe50513aaf 100644 --- a/src/test/ui/const-generics/issues/issue-61336-2.min.stderr +++ b/src/test/ui/const-generics/issues/issue-61336-2.min.stderr @@ -7,8 +7,8 @@ LL | [x; { N }] = note: the `Copy` trait is required because the repeated element will be copied help: consider restricting type parameter `T` | -LL | fn g(x: T) -> [T; N] { - | ^^^^^^ +LL | fn g(x: T) -> [T; N] { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/const-generics/issues/issue-61336.full.stderr b/src/test/ui/const-generics/issues/issue-61336.full.stderr index 974e2af6fd2c..fcfd39387c29 100644 --- a/src/test/ui/const-generics/issues/issue-61336.full.stderr +++ b/src/test/ui/const-generics/issues/issue-61336.full.stderr @@ -16,8 +16,8 @@ LL | [x; N] = note: the `Copy` trait is required because the repeated element will be copied help: consider restricting type parameter `T` | -LL | fn g(x: T) -> [T; N] { - | ^^^^^^ +LL | fn g(x: T) -> [T; N] { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/const-generics/issues/issue-61336.min.stderr b/src/test/ui/const-generics/issues/issue-61336.min.stderr index 19c7153582cb..91580313e1e8 100644 --- a/src/test/ui/const-generics/issues/issue-61336.min.stderr +++ b/src/test/ui/const-generics/issues/issue-61336.min.stderr @@ -7,8 +7,8 @@ LL | [x; N] = note: the `Copy` trait is required because the repeated element will be copied help: consider restricting type parameter `T` | -LL | fn g(x: T) -> [T; N] { - | ^^^^^^ +LL | fn g(x: T) -> [T; N] { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/const-generics/issues/issue-64494.min.stderr b/src/test/ui/const-generics/issues/issue-64494.min.stderr index 936ab7f6e7e3..846db0c91b6e 100644 --- a/src/test/ui/const-generics/issues/issue-64494.min.stderr +++ b/src/test/ui/const-generics/issues/issue-64494.min.stderr @@ -16,7 +16,7 @@ LL | impl MyTrait for T where Is<{T::VAL == 6}>: True {} = note: type parameters may not be used in const expressions = help: use `#![feature(const_generics)]` and `#![feature(const_evaluatable_checked)]` to allow generic const expressions -error[E0119]: conflicting implementations of trait `MyTrait`: +error[E0119]: conflicting implementations of trait `MyTrait` --> $DIR/issue-64494.rs:18:1 | LL | impl MyTrait for T where Is<{T::VAL == 5}>: True {} diff --git a/src/test/ui/const-generics/min_const_generics/invalid-patterns.stderr b/src/test/ui/const-generics/min_const_generics/invalid-patterns.32bit.stderr similarity index 75% rename from src/test/ui/const-generics/min_const_generics/invalid-patterns.stderr rename to src/test/ui/const-generics/min_const_generics/invalid-patterns.32bit.stderr index 04f716fa7335..415a53a56274 100644 --- a/src/test/ui/const-generics/min_const_generics/invalid-patterns.stderr +++ b/src/test/ui/const-generics/min_const_generics/invalid-patterns.32bit.stderr @@ -1,58 +1,70 @@ error[E0308]: mismatched types - --> $DIR/invalid-patterns.rs:28:21 + --> $DIR/invalid-patterns.rs:29:21 | LL | get_flag::(); | ^^^^ expected `char`, found `u8` error[E0308]: mismatched types - --> $DIR/invalid-patterns.rs:30:14 + --> $DIR/invalid-patterns.rs:31:14 | LL | get_flag::<7, 'c'>(); | ^ expected `bool`, found integer error[E0308]: mismatched types - --> $DIR/invalid-patterns.rs:32:14 + --> $DIR/invalid-patterns.rs:33:14 | LL | get_flag::<42, 0x5ad>(); | ^^ expected `bool`, found integer error[E0308]: mismatched types - --> $DIR/invalid-patterns.rs:32:18 + --> $DIR/invalid-patterns.rs:33:18 | LL | get_flag::<42, 0x5ad>(); | ^^^^^ expected `char`, found `u8` error[E0080]: it is undefined behavior to use this value - --> $DIR/invalid-patterns.rs:37:21 + --> $DIR/invalid-patterns.rs:38:21 | LL | get_flag::(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected a valid unicode scalar value (in `0..=0x10FFFF` but not in `0xD800..=0xDFFF`) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + __ __ __ __ │ ░░░░ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/invalid-patterns.rs:39:14 + --> $DIR/invalid-patterns.rs:40:14 | LL | get_flag::<{ unsafe { bool_raw.boolean } }, 'z'>(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x42, but expected a boolean | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 42 │ B + } error[E0080]: it is undefined behavior to use this value - --> $DIR/invalid-patterns.rs:41:14 + --> $DIR/invalid-patterns.rs:42:14 | LL | get_flag::<{ unsafe { bool_raw.boolean } }, { unsafe { char_raw.character } }>(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x42, but expected a boolean | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 42 │ B + } error[E0080]: it is undefined behavior to use this value - --> $DIR/invalid-patterns.rs:41:47 + --> $DIR/invalid-patterns.rs:42:47 | LL | get_flag::<{ unsafe { bool_raw.boolean } }, { unsafe { char_raw.character } }>(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected a valid unicode scalar value (in `0..=0x10FFFF` but not in `0xD800..=0xDFFF`) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + __ __ __ __ │ ░░░░ + } error: aborting due to 8 previous errors diff --git a/src/test/ui/const-generics/min_const_generics/invalid-patterns.64bit.stderr b/src/test/ui/const-generics/min_const_generics/invalid-patterns.64bit.stderr new file mode 100644 index 000000000000..415a53a56274 --- /dev/null +++ b/src/test/ui/const-generics/min_const_generics/invalid-patterns.64bit.stderr @@ -0,0 +1,72 @@ +error[E0308]: mismatched types + --> $DIR/invalid-patterns.rs:29:21 + | +LL | get_flag::(); + | ^^^^ expected `char`, found `u8` + +error[E0308]: mismatched types + --> $DIR/invalid-patterns.rs:31:14 + | +LL | get_flag::<7, 'c'>(); + | ^ expected `bool`, found integer + +error[E0308]: mismatched types + --> $DIR/invalid-patterns.rs:33:14 + | +LL | get_flag::<42, 0x5ad>(); + | ^^ expected `bool`, found integer + +error[E0308]: mismatched types + --> $DIR/invalid-patterns.rs:33:18 + | +LL | get_flag::<42, 0x5ad>(); + | ^^^^^ expected `char`, found `u8` + +error[E0080]: it is undefined behavior to use this value + --> $DIR/invalid-patterns.rs:38:21 + | +LL | get_flag::(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected a valid unicode scalar value (in `0..=0x10FFFF` but not in `0xD800..=0xDFFF`) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + __ __ __ __ │ ░░░░ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/invalid-patterns.rs:40:14 + | +LL | get_flag::<{ unsafe { bool_raw.boolean } }, 'z'>(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x42, but expected a boolean + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 42 │ B + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/invalid-patterns.rs:42:14 + | +LL | get_flag::<{ unsafe { bool_raw.boolean } }, { unsafe { char_raw.character } }>(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x42, but expected a boolean + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 42 │ B + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/invalid-patterns.rs:42:47 + | +LL | get_flag::<{ unsafe { bool_raw.boolean } }, { unsafe { char_raw.character } }>(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected a valid unicode scalar value (in `0..=0x10FFFF` but not in `0xD800..=0xDFFF`) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + __ __ __ __ │ ░░░░ + } + +error: aborting due to 8 previous errors + +Some errors have detailed explanations: E0080, E0308. +For more information about an error, try `rustc --explain E0080`. diff --git a/src/test/ui/const-generics/min_const_generics/invalid-patterns.rs b/src/test/ui/const-generics/min_const_generics/invalid-patterns.rs index a120eee67ee4..682e0eced9df 100644 --- a/src/test/ui/const-generics/min_const_generics/invalid-patterns.rs +++ b/src/test/ui/const-generics/min_const_generics/invalid-patterns.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth use std::mem::transmute; fn get_flag() -> Option { diff --git a/src/test/ui/consts/const-err4.stderr b/src/test/ui/consts/const-err4.32bit.stderr similarity index 76% rename from src/test/ui/consts/const-err4.stderr rename to src/test/ui/consts/const-err4.32bit.stderr index 081b09e33006..1dbda8cbcd08 100644 --- a/src/test/ui/consts/const-err4.stderr +++ b/src/test/ui/consts/const-err4.32bit.stderr @@ -1,10 +1,13 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/const-err4.rs:8:11 + --> $DIR/const-err4.rs:9:11 | LL | Boo = [unsafe { Foo { b: () }.a }; 4][3], | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + __ __ __ __ │ ░░░░ + } error: aborting due to previous error diff --git a/src/test/ui/consts/const-err4.64bit.stderr b/src/test/ui/consts/const-err4.64bit.stderr new file mode 100644 index 000000000000..2eea3ea70963 --- /dev/null +++ b/src/test/ui/consts/const-err4.64bit.stderr @@ -0,0 +1,14 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/const-err4.rs:9:11 + | +LL | Boo = [unsafe { Foo { b: () }.a }; 4][3], + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected initialized plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + __ __ __ __ __ __ __ __ │ ░░░░░░░░ + } + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-err4.rs b/src/test/ui/consts/const-err4.rs index 70d9bc149d8d..f0625faa8017 100644 --- a/src/test/ui/consts/const-err4.rs +++ b/src/test/ui/consts/const-err4.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth #[derive(Copy, Clone)] union Foo { a: isize, diff --git a/src/test/ui/consts/const-eval/conditional_array_execution.rs b/src/test/ui/consts/const-eval/conditional_array_execution.rs index 9b99a685b637..bd517e568eae 100644 --- a/src/test/ui/consts/const-eval/conditional_array_execution.rs +++ b/src/test/ui/consts/const-eval/conditional_array_execution.rs @@ -10,7 +10,7 @@ const FOO: u32 = [X - Y, Y - X][(X < Y) as usize]; fn main() { println!("{}", FOO); - //~^ ERROR + //~^ ERROR evaluation of constant value failed //~| WARN erroneous constant used [const_err] //~| WARN this was previously accepted by the compiler but is being phased out } diff --git a/src/test/ui/consts/const-eval/const-eval-query-stack.stderr b/src/test/ui/consts/const-eval/const-eval-query-stack.stderr index 6a205ce9787f..e6fecef9fb3b 100644 --- a/src/test/ui/consts/const-eval/const-eval-query-stack.stderr +++ b/src/test/ui/consts/const-eval/const-eval-query-stack.stderr @@ -20,7 +20,7 @@ error[E0080]: evaluation of constant value failed LL | let x: &'static i32 = &X; | ^ referenced constant has errors query stack during panic: -#0 [normalize_generic_arg_after_erasing_regions] normalizing `main::promoted[1]` +#0 [normalize_mir_const_after_erasing_regions] normalizing `main::promoted[1]` #1 [optimized_mir] optimizing MIR for `main` #2 [collect_and_partition_mono_items] collect_and_partition_mono_items end of query stack diff --git a/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.stderr b/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.64bit.stderr similarity index 83% rename from src/test/ui/consts/const-eval/const-pointer-values-in-various-types.stderr rename to src/test/ui/consts/const-eval/const-pointer-values-in-various-types.64bit.stderr index ccd13784784e..187e2760ad2c 100644 --- a/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.stderr +++ b/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.64bit.stderr @@ -1,13 +1,16 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/const-pointer-values-in-various-types.rs:25:5 + --> $DIR/const-pointer-values-in-various-types.rs:26:5 | LL | const I32_REF_USIZE_UNION: usize = unsafe { Nonsense { int_32_ref: &3 }.u }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc2, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc2────────╼ │ ╾──────╼ + } error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:28:43 + --> $DIR/const-pointer-values-in-various-types.rs:29:43 | LL | const I32_REF_U8_UNION: u8 = unsafe { Nonsense { int_32_ref: &3 }.uint_8 }; | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -19,7 +22,7 @@ LL | const I32_REF_U8_UNION: u8 = unsafe { Nonsense { int_32_ref: &3 }.uint_ = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:32:45 + --> $DIR/const-pointer-values-in-various-types.rs:33:45 | LL | const I32_REF_U16_UNION: u16 = unsafe { Nonsense { int_32_ref: &3 }.uint_16 }; | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -30,7 +33,7 @@ LL | const I32_REF_U16_UNION: u16 = unsafe { Nonsense { int_32_ref: &3 }.uin = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:36:45 + --> $DIR/const-pointer-values-in-various-types.rs:37:45 | LL | const I32_REF_U32_UNION: u32 = unsafe { Nonsense { int_32_ref: &3 }.uint_32 }; | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -41,23 +44,29 @@ LL | const I32_REF_U32_UNION: u32 = unsafe { Nonsense { int_32_ref: &3 }.uin = note: for more information, see issue #71800 error[E0080]: it is undefined behavior to use this value - --> $DIR/const-pointer-values-in-various-types.rs:40:5 + --> $DIR/const-pointer-values-in-various-types.rs:41:5 | LL | const I32_REF_U64_UNION: u64 = unsafe { Nonsense { int_32_ref: &3 }.uint_64 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc18, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc18───────╼ │ ╾──────╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/const-pointer-values-in-various-types.rs:43:5 + --> $DIR/const-pointer-values-in-various-types.rs:44:5 | LL | const I32_REF_U128_UNION: u128 = unsafe { Nonsense { int_32_ref: &3 }.uint_128 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ │ ░░░░░░░░░░░░░░░░ + } error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:46:43 + --> $DIR/const-pointer-values-in-various-types.rs:47:43 | LL | const I32_REF_I8_UNION: i8 = unsafe { Nonsense { int_32_ref: &3 }.int_8 }; | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -68,7 +77,7 @@ LL | const I32_REF_I8_UNION: i8 = unsafe { Nonsense { int_32_ref: &3 }.int_8 = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:50:45 + --> $DIR/const-pointer-values-in-various-types.rs:51:45 | LL | const I32_REF_I16_UNION: i16 = unsafe { Nonsense { int_32_ref: &3 }.int_16 }; | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -79,7 +88,7 @@ LL | const I32_REF_I16_UNION: i16 = unsafe { Nonsense { int_32_ref: &3 }.int = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:54:45 + --> $DIR/const-pointer-values-in-various-types.rs:55:45 | LL | const I32_REF_I32_UNION: i32 = unsafe { Nonsense { int_32_ref: &3 }.int_32 }; | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -90,23 +99,29 @@ LL | const I32_REF_I32_UNION: i32 = unsafe { Nonsense { int_32_ref: &3 }.int = note: for more information, see issue #71800 error[E0080]: it is undefined behavior to use this value - --> $DIR/const-pointer-values-in-various-types.rs:58:5 + --> $DIR/const-pointer-values-in-various-types.rs:59:5 | LL | const I32_REF_I64_UNION: i64 = unsafe { Nonsense { int_32_ref: &3 }.int_64 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc38, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc38───────╼ │ ╾──────╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/const-pointer-values-in-various-types.rs:61:5 + --> $DIR/const-pointer-values-in-various-types.rs:62:5 | LL | const I32_REF_I128_UNION: i128 = unsafe { Nonsense { int_32_ref: &3 }.int_128 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ │ ░░░░░░░░░░░░░░░░ + } error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:64:45 + --> $DIR/const-pointer-values-in-various-types.rs:65:45 | LL | const I32_REF_F32_UNION: f32 = unsafe { Nonsense { int_32_ref: &3 }.float_32 }; | ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -117,15 +132,18 @@ LL | const I32_REF_F32_UNION: f32 = unsafe { Nonsense { int_32_ref: &3 }.flo = note: for more information, see issue #71800 error[E0080]: it is undefined behavior to use this value - --> $DIR/const-pointer-values-in-various-types.rs:68:5 + --> $DIR/const-pointer-values-in-various-types.rs:69:5 | LL | const I32_REF_F64_UNION: f64 = unsafe { Nonsense { int_32_ref: &3 }.float_64 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc50, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc50───────╼ │ ╾──────╼ + } error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:71:47 + --> $DIR/const-pointer-values-in-various-types.rs:72:47 | LL | const I32_REF_BOOL_UNION: bool = unsafe { Nonsense { int_32_ref: &3 }.truthy_falsey }; | ------------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -136,7 +154,7 @@ LL | const I32_REF_BOOL_UNION: bool = unsafe { Nonsense { int_32_ref: &3 }.t = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:75:47 + --> $DIR/const-pointer-values-in-various-types.rs:76:47 | LL | const I32_REF_CHAR_UNION: char = unsafe { Nonsense { int_32_ref: &3 }.character }; | ------------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -147,7 +165,7 @@ LL | const I32_REF_CHAR_UNION: char = unsafe { Nonsense { int_32_ref: &3 }.c = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:79:39 + --> $DIR/const-pointer-values-in-various-types.rs:80:39 | LL | const STR_U8_UNION: u8 = unsafe { Nonsense { stringy: "3" }.uint_8 }; | ----------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -158,7 +176,7 @@ LL | const STR_U8_UNION: u8 = unsafe { Nonsense { stringy: "3" }.uint_8 }; = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:83:41 + --> $DIR/const-pointer-values-in-various-types.rs:84:41 | LL | const STR_U16_UNION: u16 = unsafe { Nonsense { stringy: "3" }.uint_16 }; | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -169,7 +187,7 @@ LL | const STR_U16_UNION: u16 = unsafe { Nonsense { stringy: "3" }.uint_16 } = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:87:41 + --> $DIR/const-pointer-values-in-various-types.rs:88:41 | LL | const STR_U32_UNION: u32 = unsafe { Nonsense { stringy: "3" }.uint_32 }; | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -180,15 +198,18 @@ LL | const STR_U32_UNION: u32 = unsafe { Nonsense { stringy: "3" }.uint_32 } = note: for more information, see issue #71800 error[E0080]: it is undefined behavior to use this value - --> $DIR/const-pointer-values-in-various-types.rs:91:5 + --> $DIR/const-pointer-values-in-various-types.rs:92:5 | LL | const STR_U64_UNION: u64 = unsafe { Nonsense { stringy: "3" }.uint_64 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc71, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc71───────╼ │ ╾──────╼ + } error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:94:43 + --> $DIR/const-pointer-values-in-various-types.rs:95:43 | LL | const STR_U128_UNION: u128 = unsafe { Nonsense { stringy: "3" }.uint_128 }; | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -199,7 +220,7 @@ LL | const STR_U128_UNION: u128 = unsafe { Nonsense { stringy: "3" }.uint_12 = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:98:39 + --> $DIR/const-pointer-values-in-various-types.rs:99:39 | LL | const STR_I8_UNION: i8 = unsafe { Nonsense { stringy: "3" }.int_8 }; | ----------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -210,7 +231,7 @@ LL | const STR_I8_UNION: i8 = unsafe { Nonsense { stringy: "3" }.int_8 }; = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:102:41 + --> $DIR/const-pointer-values-in-various-types.rs:103:41 | LL | const STR_I16_UNION: i16 = unsafe { Nonsense { stringy: "3" }.int_16 }; | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -221,7 +242,7 @@ LL | const STR_I16_UNION: i16 = unsafe { Nonsense { stringy: "3" }.int_16 }; = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:106:41 + --> $DIR/const-pointer-values-in-various-types.rs:107:41 | LL | const STR_I32_UNION: i32 = unsafe { Nonsense { stringy: "3" }.int_32 }; | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -232,15 +253,18 @@ LL | const STR_I32_UNION: i32 = unsafe { Nonsense { stringy: "3" }.int_32 }; = note: for more information, see issue #71800 error[E0080]: it is undefined behavior to use this value - --> $DIR/const-pointer-values-in-various-types.rs:110:5 + --> $DIR/const-pointer-values-in-various-types.rs:111:5 | LL | const STR_I64_UNION: i64 = unsafe { Nonsense { stringy: "3" }.int_64 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc86, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc86───────╼ │ ╾──────╼ + } error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:113:43 + --> $DIR/const-pointer-values-in-various-types.rs:114:43 | LL | const STR_I128_UNION: i128 = unsafe { Nonsense { stringy: "3" }.int_128 }; | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -251,7 +275,7 @@ LL | const STR_I128_UNION: i128 = unsafe { Nonsense { stringy: "3" }.int_128 = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:117:41 + --> $DIR/const-pointer-values-in-various-types.rs:118:41 | LL | const STR_F32_UNION: f32 = unsafe { Nonsense { stringy: "3" }.float_32 }; | ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -262,15 +286,18 @@ LL | const STR_F32_UNION: f32 = unsafe { Nonsense { stringy: "3" }.float_32 = note: for more information, see issue #71800 error[E0080]: it is undefined behavior to use this value - --> $DIR/const-pointer-values-in-various-types.rs:121:5 + --> $DIR/const-pointer-values-in-various-types.rs:122:5 | LL | const STR_F64_UNION: f64 = unsafe { Nonsense { stringy: "3" }.float_64 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc95, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc95───────╼ │ ╾──────╼ + } error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:124:43 + --> $DIR/const-pointer-values-in-various-types.rs:125:43 | LL | const STR_BOOL_UNION: bool = unsafe { Nonsense { stringy: "3" }.truthy_falsey }; | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- @@ -281,7 +308,7 @@ LL | const STR_BOOL_UNION: bool = unsafe { Nonsense { stringy: "3" }.truthy_ = note: for more information, see issue #71800 error: any use of this value will cause an error - --> $DIR/const-pointer-values-in-various-types.rs:128:43 + --> $DIR/const-pointer-values-in-various-types.rs:129:43 | LL | const STR_CHAR_UNION: char = unsafe { Nonsense { stringy: "3" }.character }; | --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^--- diff --git a/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.rs b/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.rs index 90bc191020e2..a1a932639db6 100644 --- a/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.rs +++ b/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.rs @@ -1,4 +1,5 @@ // only-x86_64 +// stderr-per-bitwidth #[repr(C)] union Nonsense { diff --git a/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.stderr b/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.32bit.stderr similarity index 76% rename from src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.stderr rename to src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.32bit.stderr index 866f877f54d4..92d990f1498e 100644 --- a/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.stderr +++ b/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.32bit.stderr @@ -1,10 +1,13 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/alloc_intrinsic_uninit.rs:8:1 + --> $DIR/alloc_intrinsic_uninit.rs:9:1 | LL | const BAR: &i32 = unsafe { &*(intrinsics::const_allocate(4, 4) as *mut i32) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes at ., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc1──╼ │ ╾──╼ + } error: aborting due to previous error diff --git a/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.64bit.stderr b/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.64bit.stderr new file mode 100644 index 000000000000..6d63233997da --- /dev/null +++ b/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.64bit.stderr @@ -0,0 +1,14 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/alloc_intrinsic_uninit.rs:9:1 + | +LL | const BAR: &i32 = unsafe { &*(intrinsics::const_allocate(4, 4) as *mut i32) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes at ., but expected initialized plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc1────────╼ │ ╾──────╼ + } + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.rs b/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.rs index 998b6cef84a7..63a3fd4e090b 100644 --- a/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.rs +++ b/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth // compile-test #![feature(core_intrinsics)] #![feature(const_heap)] diff --git a/src/test/ui/consts/const-eval/issue-44578.rs b/src/test/ui/consts/const-eval/issue-44578.rs index 79f1301a2f94..a88e2197048d 100644 --- a/src/test/ui/consts/const-eval/issue-44578.rs +++ b/src/test/ui/consts/const-eval/issue-44578.rs @@ -25,5 +25,5 @@ impl Foo for u16 { fn main() { println!("{}", as Foo>::AMT); - //~^ ERROR evaluation of constant value failed [E0080] + //~^ ERROR evaluation of constant value failed } diff --git a/src/test/ui/consts/const-eval/ref_to_int_match.stderr b/src/test/ui/consts/const-eval/ref_to_int_match.32bit.stderr similarity index 74% rename from src/test/ui/consts/const-eval/ref_to_int_match.stderr rename to src/test/ui/consts/const-eval/ref_to_int_match.32bit.stderr index cb0ba5d9929b..c14457490ac4 100644 --- a/src/test/ui/consts/const-eval/ref_to_int_match.stderr +++ b/src/test/ui/consts/const-eval/ref_to_int_match.32bit.stderr @@ -1,19 +1,22 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/ref_to_int_match.rs:25:1 + --> $DIR/ref_to_int_match.rs:26:1 | LL | const BAR: Int = unsafe { Foo { r: &42 }.f }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc2, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc2──╼ │ ╾──╼ + } error: could not evaluate constant pattern - --> $DIR/ref_to_int_match.rs:7:14 + --> $DIR/ref_to_int_match.rs:8:14 | LL | 10..=BAR => {}, | ^^^ error: could not evaluate constant pattern - --> $DIR/ref_to_int_match.rs:7:14 + --> $DIR/ref_to_int_match.rs:8:14 | LL | 10..=BAR => {}, | ^^^ diff --git a/src/test/ui/consts/const-eval/ref_to_int_match.64bit.stderr b/src/test/ui/consts/const-eval/ref_to_int_match.64bit.stderr new file mode 100644 index 000000000000..6ea1cf145a26 --- /dev/null +++ b/src/test/ui/consts/const-eval/ref_to_int_match.64bit.stderr @@ -0,0 +1,26 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/ref_to_int_match.rs:26:1 + | +LL | const BAR: Int = unsafe { Foo { r: &42 }.f }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc2, but expected initialized plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc2────────╼ │ ╾──────╼ + } + +error: could not evaluate constant pattern + --> $DIR/ref_to_int_match.rs:8:14 + | +LL | 10..=BAR => {}, + | ^^^ + +error: could not evaluate constant pattern + --> $DIR/ref_to_int_match.rs:8:14 + | +LL | 10..=BAR => {}, + | ^^^ + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/ref_to_int_match.rs b/src/test/ui/consts/const-eval/ref_to_int_match.rs index 87136a109db3..0741e425d9b7 100644 --- a/src/test/ui/consts/const-eval/ref_to_int_match.rs +++ b/src/test/ui/consts/const-eval/ref_to_int_match.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth #![feature(const_fn_union)] fn main() { diff --git a/src/test/ui/consts/const-eval/transmute-const.stderr b/src/test/ui/consts/const-eval/transmute-const.32bit.stderr similarity index 76% rename from src/test/ui/consts/const-eval/transmute-const.stderr rename to src/test/ui/consts/const-eval/transmute-const.32bit.stderr index 46a404982778..89c722078832 100644 --- a/src/test/ui/consts/const-eval/transmute-const.stderr +++ b/src/test/ui/consts/const-eval/transmute-const.32bit.stderr @@ -1,10 +1,13 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/transmute-const.rs:3:1 + --> $DIR/transmute-const.rs:4:1 | LL | static FOO: bool = unsafe { mem::transmute(3u8) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x03, but expected a boolean | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 03 │ . + } error: aborting due to previous error diff --git a/src/test/ui/consts/const-eval/transmute-const.64bit.stderr b/src/test/ui/consts/const-eval/transmute-const.64bit.stderr new file mode 100644 index 000000000000..89c722078832 --- /dev/null +++ b/src/test/ui/consts/const-eval/transmute-const.64bit.stderr @@ -0,0 +1,14 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/transmute-const.rs:4:1 + | +LL | static FOO: bool = unsafe { mem::transmute(3u8) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x03, but expected a boolean + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 03 │ . + } + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/transmute-const.rs b/src/test/ui/consts/const-eval/transmute-const.rs index 1cfad00ca76d..d9d0a3aea07b 100644 --- a/src/test/ui/consts/const-eval/transmute-const.rs +++ b/src/test/ui/consts/const-eval/transmute-const.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth use std::mem; static FOO: bool = unsafe { mem::transmute(3u8) }; diff --git a/src/test/ui/consts/const-eval/ub-enum.stderr b/src/test/ui/consts/const-eval/ub-enum.32bit.stderr similarity index 79% rename from src/test/ui/consts/const-eval/ub-enum.stderr rename to src/test/ui/consts/const-eval/ub-enum.32bit.stderr index db95b996c18c..2274366fa216 100644 --- a/src/test/ui/consts/const-eval/ub-enum.stderr +++ b/src/test/ui/consts/const-eval/ub-enum.32bit.stderr @@ -5,6 +5,9 @@ LL | const BAD_ENUM: Enum = unsafe { mem::transmute(1usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x00000001 at ., but expected a valid enum tag | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 01 00 00 00 │ .... + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:27:1 @@ -13,6 +16,9 @@ LL | const BAD_ENUM_PTR: Enum = unsafe { mem::transmute(&1) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc8 at ., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc8──╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:30:1 @@ -21,6 +27,9 @@ LL | const BAD_ENUM_WRAPPED: Wrap = unsafe { mem::transmute(&1) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc12 at .0., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc12─╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:42:1 @@ -29,6 +38,9 @@ LL | const BAD_ENUM2: Enum2 = unsafe { mem::transmute(0usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x00000000 at ., but expected a valid enum tag | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 00 00 00 00 │ .... + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:44:1 @@ -37,6 +49,9 @@ LL | const BAD_ENUM2_PTR: Enum2 = unsafe { mem::transmute(&0) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc18 at ., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc18─╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:47:1 @@ -45,6 +60,9 @@ LL | const BAD_ENUM2_WRAPPED: Wrap = unsafe { mem::transmute(&0) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc22 at .0., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc22─╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:56:1 @@ -53,6 +71,9 @@ LL | const BAD_ENUM2_UNDEF : Enum2 = unsafe { MaybeUninit { uninit: () }.init }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes at ., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + __ __ __ __ │ ░░░░ + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:60:1 @@ -61,6 +82,9 @@ LL | const BAD_ENUM2_OPTION_PTR: Option = unsafe { mem::transmute(&0) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc28 at ., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc28─╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:77:1 @@ -69,6 +93,9 @@ LL | const BAD_UNINHABITED_VARIANT1: UninhDiscriminant = unsafe { mem::transmute | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of the never type `!` at ..0 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 01 │ . + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:79:1 @@ -77,6 +104,9 @@ LL | const BAD_UNINHABITED_VARIANT2: UninhDiscriminant = unsafe { mem::transmute | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Never at ..0 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 03 │ . + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:87:1 @@ -85,6 +115,9 @@ LL | const BAD_OPTION_CHAR: Option<(char, char)> = Some(('x', unsafe { mem::tran | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0xffffffff at ..0.1, but expected a valid unicode scalar value (in `0..=0x10FFFF` but not in `0xD800..=0xDFFF`) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + 78 00 00 00 ff ff ff ff │ x....... + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:92:1 @@ -93,6 +126,9 @@ LL | const BAD_UNINHABITED_WITH_DATA1: Result<(i32, Never), (i32, !)> = unsafe { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Never at ..0.1 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + 00 00 00 00 00 00 00 00 │ ........ + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:94:1 @@ -101,6 +137,9 @@ LL | const BAD_UNINHABITED_WITH_DATA2: Result<(i32, !), (i32, Never)> = unsafe { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of the never type `!` at ..0.1 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + 00 00 00 00 00 00 00 00 │ ........ + } error: aborting due to 13 previous errors diff --git a/src/test/ui/consts/const-eval/ub-enum.64bit.stderr b/src/test/ui/consts/const-eval/ub-enum.64bit.stderr new file mode 100644 index 000000000000..29d97962f32d --- /dev/null +++ b/src/test/ui/consts/const-eval/ub-enum.64bit.stderr @@ -0,0 +1,146 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:24:1 + | +LL | const BAD_ENUM: Enum = unsafe { mem::transmute(1usize) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x0000000000000001 at ., but expected a valid enum tag + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + 01 00 00 00 00 00 00 00 │ ........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:27:1 + | +LL | const BAD_ENUM_PTR: Enum = unsafe { mem::transmute(&1) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc8 at ., but expected initialized plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc8────────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:30:1 + | +LL | const BAD_ENUM_WRAPPED: Wrap = unsafe { mem::transmute(&1) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc12 at .0., but expected initialized plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc12───────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:42:1 + | +LL | const BAD_ENUM2: Enum2 = unsafe { mem::transmute(0usize) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x0000000000000000 at ., but expected a valid enum tag + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + 00 00 00 00 00 00 00 00 │ ........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:44:1 + | +LL | const BAD_ENUM2_PTR: Enum2 = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc18 at ., but expected initialized plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc18───────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:47:1 + | +LL | const BAD_ENUM2_WRAPPED: Wrap = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc22 at .0., but expected initialized plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc22───────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:56:1 + | +LL | const BAD_ENUM2_UNDEF : Enum2 = unsafe { MaybeUninit { uninit: () }.init }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes at ., but expected initialized plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + __ __ __ __ __ __ __ __ │ ░░░░░░░░ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:60:1 + | +LL | const BAD_ENUM2_OPTION_PTR: Option = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc28 at ., but expected initialized plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc28───────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:77:1 + | +LL | const BAD_UNINHABITED_VARIANT1: UninhDiscriminant = unsafe { mem::transmute(1u8) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of the never type `!` at ..0 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 01 │ . + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:79:1 + | +LL | const BAD_UNINHABITED_VARIANT2: UninhDiscriminant = unsafe { mem::transmute(3u8) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Never at ..0 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 03 │ . + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:87:1 + | +LL | const BAD_OPTION_CHAR: Option<(char, char)> = Some(('x', unsafe { mem::transmute(!0u32) })); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0xffffffff at ..0.1, but expected a valid unicode scalar value (in `0..=0x10FFFF` but not in `0xD800..=0xDFFF`) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + 78 00 00 00 ff ff ff ff │ x....... + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:92:1 + | +LL | const BAD_UNINHABITED_WITH_DATA1: Result<(i32, Never), (i32, !)> = unsafe { mem::transmute(0u64) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Never at ..0.1 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + 00 00 00 00 00 00 00 00 │ ........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-enum.rs:94:1 + | +LL | const BAD_UNINHABITED_WITH_DATA2: Result<(i32, !), (i32, Never)> = unsafe { mem::transmute(0u64) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of the never type `!` at ..0.1 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + 00 00 00 00 00 00 00 00 │ ........ + } + +error: aborting due to 13 previous errors + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/ub-enum.rs b/src/test/ui/consts/const-eval/ub-enum.rs index dc94f2368c9b..e408d8ec072e 100644 --- a/src/test/ui/consts/const-eval/ub-enum.rs +++ b/src/test/ui/consts/const-eval/ub-enum.rs @@ -1,4 +1,4 @@ -// normalize-stderr-64bit "0x0000000000" -> "0x00" +// stderr-per-bitwidth #![feature(never_type)] #![allow(const_err)] // make sure we cannot allow away the errors tested here diff --git a/src/test/ui/consts/const-eval/ub-int-array.stderr b/src/test/ui/consts/const-eval/ub-int-array.32bit.stderr similarity index 76% rename from src/test/ui/consts/const-eval/ub-int-array.stderr rename to src/test/ui/consts/const-eval/ub-int-array.32bit.stderr index 92f654847df3..c13271a1e5ec 100644 --- a/src/test/ui/consts/const-eval/ub-int-array.stderr +++ b/src/test/ui/consts/const-eval/ub-int-array.32bit.stderr @@ -11,6 +11,9 @@ LL | | }; | |__^ type validation failed: encountered uninitialized bytes at [0] | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 12, align: 4) { + __ __ __ __ 01 00 00 00 02 00 00 00 │ ░░░░........ + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-int-array.rs:23:1 @@ -25,6 +28,9 @@ LL | | }; | |__^ type validation failed: encountered uninitialized bytes at [1] | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 12, align: 4) { + 00 00 00 00 01 __ 01 01 02 02 __ 02 │ .....░....░. + } error[E0080]: it is undefined behavior to use this value --> $DIR/ub-int-array.rs:43:1 @@ -39,6 +45,9 @@ LL | | }; | |__^ type validation failed: encountered uninitialized bytes at [2] | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 12, align: 4) { + 00 00 00 00 01 01 01 01 02 02 02 __ │ ...........░ + } error: aborting due to 3 previous errors diff --git a/src/test/ui/consts/const-eval/ub-int-array.64bit.stderr b/src/test/ui/consts/const-eval/ub-int-array.64bit.stderr new file mode 100644 index 000000000000..c13271a1e5ec --- /dev/null +++ b/src/test/ui/consts/const-eval/ub-int-array.64bit.stderr @@ -0,0 +1,54 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-int-array.rs:14:1 + | +LL | / const UNINIT_INT_0: [u32; 3] = unsafe { +LL | | +LL | | +LL | | [ +... | +LL | | ] +LL | | }; + | |__^ type validation failed: encountered uninitialized bytes at [0] + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 12, align: 4) { + __ __ __ __ 01 00 00 00 02 00 00 00 │ ░░░░........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-int-array.rs:23:1 + | +LL | / const UNINIT_INT_1: [u32; 3] = unsafe { +LL | | +LL | | +LL | | mem::transmute( +... | +LL | | ) +LL | | }; + | |__^ type validation failed: encountered uninitialized bytes at [1] + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 12, align: 4) { + 00 00 00 00 01 __ 01 01 02 02 __ 02 │ .....░....░. + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-int-array.rs:43:1 + | +LL | / const UNINIT_INT_2: [u32; 3] = unsafe { +LL | | +LL | | +LL | | mem::transmute( +... | +LL | | ) +LL | | }; + | |__^ type validation failed: encountered uninitialized bytes at [2] + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 12, align: 4) { + 00 00 00 00 01 01 01 01 02 02 02 __ │ ...........░ + } + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/ub-int-array.rs b/src/test/ui/consts/const-eval/ub-int-array.rs index 6801c7fa3ff0..635cbb8cef66 100644 --- a/src/test/ui/consts/const-eval/ub-int-array.rs +++ b/src/test/ui/consts/const-eval/ub-int-array.rs @@ -1,5 +1,5 @@ #![allow(const_err)] // make sure we cannot allow away the errors tested here - +// stderr-per-bitwidth //! Test the "array of int" fast path in validity checking, and in particular whether it //! points at the right array element. diff --git a/src/test/ui/consts/const-eval/ub-nonnull.stderr b/src/test/ui/consts/const-eval/ub-nonnull.32bit.stderr similarity index 78% rename from src/test/ui/consts/const-eval/ub-nonnull.stderr rename to src/test/ui/consts/const-eval/ub-nonnull.32bit.stderr index 94496b77fe77..3affde739afe 100644 --- a/src/test/ui/consts/const-eval/ub-nonnull.stderr +++ b/src/test/ui/consts/const-eval/ub-nonnull.32bit.stderr @@ -1,13 +1,16 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-nonnull.rs:11:1 + --> $DIR/ub-nonnull.rs:12:1 | LL | const NULL_PTR: NonNull = unsafe { mem::transmute(0usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0, but expected something greater or equal to 1 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 00 00 00 00 │ .... + } error: any use of this value will cause an error - --> $DIR/ub-nonnull.rs:18:30 + --> $DIR/ub-nonnull.rs:19:30 | LL | / const OUT_OF_BOUNDS_PTR: NonNull = { unsafe { LL | | let ptr: &[u8; 256] = mem::transmute(&0u8); // &0 gets promoted so it does not dangle @@ -20,7 +23,7 @@ LL | | } }; | |____- | note: the lint level is defined here - --> $DIR/ub-nonnull.rs:14:8 + --> $DIR/ub-nonnull.rs:15:8 | LL | #[deny(const_err)] // this triggers a `const_err` so validation does not even happen | ^^^^^^^^^ @@ -28,44 +31,59 @@ LL | #[deny(const_err)] // this triggers a `const_err` so validation does not ev = note: for more information, see issue #71800 error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-nonnull.rs:23:1 + --> $DIR/ub-nonnull.rs:24:1 | LL | const NULL_U8: NonZeroU8 = unsafe { mem::transmute(0u8) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0, but expected something greater or equal to 1 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 00 │ . + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-nonnull.rs:25:1 + --> $DIR/ub-nonnull.rs:26:1 | LL | const NULL_USIZE: NonZeroUsize = unsafe { mem::transmute(0usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0, but expected something greater or equal to 1 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 00 00 00 00 │ .... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-nonnull.rs:33:1 + --> $DIR/ub-nonnull.rs:34:1 | LL | const UNINIT: NonZeroU8 = unsafe { MaybeUninit { uninit: () }.init }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes at .0, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + __ │ ░ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-nonnull.rs:41:1 + --> $DIR/ub-nonnull.rs:42:1 | LL | const BAD_RANGE1: RestrictedRange1 = unsafe { RestrictedRange1(42) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 42, but expected something in the range 10..=30 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 2a 00 00 00 │ *... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-nonnull.rs:47:1 + --> $DIR/ub-nonnull.rs:48:1 | LL | const BAD_RANGE2: RestrictedRange2 = unsafe { RestrictedRange2(20) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 20, but expected something less or equal to 10, or greater or equal to 30 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 14 00 00 00 │ .... + } error: aborting due to 7 previous errors diff --git a/src/test/ui/consts/const-eval/ub-nonnull.64bit.stderr b/src/test/ui/consts/const-eval/ub-nonnull.64bit.stderr new file mode 100644 index 000000000000..63815c46efe1 --- /dev/null +++ b/src/test/ui/consts/const-eval/ub-nonnull.64bit.stderr @@ -0,0 +1,90 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-nonnull.rs:12:1 + | +LL | const NULL_PTR: NonNull = unsafe { mem::transmute(0usize) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0, but expected something greater or equal to 1 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + 00 00 00 00 00 00 00 00 │ ........ + } + +error: any use of this value will cause an error + --> $DIR/ub-nonnull.rs:19:30 + | +LL | / const OUT_OF_BOUNDS_PTR: NonNull = { unsafe { +LL | | let ptr: &[u8; 256] = mem::transmute(&0u8); // &0 gets promoted so it does not dangle +LL | | // Use address-of-element for pointer arithmetic. This could wrap around to NULL! +LL | | let out_of_bounds_ptr = &ptr[255]; + | | ^^^^^^^^ memory access failed: pointer must be in-bounds at offset 256, but is outside bounds of alloc10 which has size 1 +LL | | +LL | | mem::transmute(out_of_bounds_ptr) +LL | | } }; + | |____- + | +note: the lint level is defined here + --> $DIR/ub-nonnull.rs:15:8 + | +LL | #[deny(const_err)] // this triggers a `const_err` so validation does not even happen + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-nonnull.rs:24:1 + | +LL | const NULL_U8: NonZeroU8 = unsafe { mem::transmute(0u8) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0, but expected something greater or equal to 1 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 00 │ . + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-nonnull.rs:26:1 + | +LL | const NULL_USIZE: NonZeroUsize = unsafe { mem::transmute(0usize) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0, but expected something greater or equal to 1 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + 00 00 00 00 00 00 00 00 │ ........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-nonnull.rs:34:1 + | +LL | const UNINIT: NonZeroU8 = unsafe { MaybeUninit { uninit: () }.init }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes at .0, but expected initialized plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + __ │ ░ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-nonnull.rs:42:1 + | +LL | const BAD_RANGE1: RestrictedRange1 = unsafe { RestrictedRange1(42) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 42, but expected something in the range 10..=30 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 2a 00 00 00 │ *... + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-nonnull.rs:48:1 + | +LL | const BAD_RANGE2: RestrictedRange2 = unsafe { RestrictedRange2(20) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 20, but expected something less or equal to 10, or greater or equal to 30 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 14 00 00 00 │ .... + } + +error: aborting due to 7 previous errors + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/ub-nonnull.rs b/src/test/ui/consts/const-eval/ub-nonnull.rs index e4ced600b4cc..0bc406e01a0c 100644 --- a/src/test/ui/consts/const-eval/ub-nonnull.rs +++ b/src/test/ui/consts/const-eval/ub-nonnull.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth #![feature(rustc_attrs)] #![allow(const_err, invalid_value)] // make sure we cannot allow away the errors tested here diff --git a/src/test/ui/consts/const-eval/ub-ref-ptr.stderr b/src/test/ui/consts/const-eval/ub-ref-ptr.32bit.stderr similarity index 73% rename from src/test/ui/consts/const-eval/ub-ref-ptr.stderr rename to src/test/ui/consts/const-eval/ub-ref-ptr.32bit.stderr index 7d76c5cb43fe..32e13baa3f53 100644 --- a/src/test/ui/consts/const-eval/ub-ref-ptr.stderr +++ b/src/test/ui/consts/const-eval/ub-ref-ptr.32bit.stderr @@ -1,90 +1,123 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-ref-ptr.rs:12:1 + --> $DIR/ub-ref-ptr.rs:13:1 | LL | const UNALIGNED: &u16 = unsafe { mem::transmute(&[0u8; 4]) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered an unaligned reference (required 2 byte alignment but found 1) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc2──╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-ref-ptr.rs:16:1 + --> $DIR/ub-ref-ptr.rs:17:1 | LL | const UNALIGNED_BOX: Box = unsafe { mem::transmute(&[0u8; 4]) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered an unaligned box (required 2 byte alignment but found 1) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc6──╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-ref-ptr.rs:20:1 + --> $DIR/ub-ref-ptr.rs:21:1 | LL | const NULL: &u16 = unsafe { mem::transmute(0usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a NULL reference | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 00 00 00 00 │ .... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-ref-ptr.rs:23:1 + --> $DIR/ub-ref-ptr.rs:24:1 | LL | const NULL_BOX: Box = unsafe { mem::transmute(0usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a NULL box | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 00 00 00 00 │ .... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-ref-ptr.rs:29:1 + --> $DIR/ub-ref-ptr.rs:30:1 | LL | const REF_AS_USIZE: usize = unsafe { mem::transmute(&0) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc14, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc14─╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-ref-ptr.rs:32:1 + --> $DIR/ub-ref-ptr.rs:33:1 | LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a pointer at ., but expected plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc20─╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-ref-ptr.rs:35:1 + --> $DIR/ub-ref-ptr.rs:36:1 | LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[usize], _>(&[mem::transmute(&0)]) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a pointer at ., but expected plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc25─╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-ref-ptr.rs:38:1 + --> $DIR/ub-ref-ptr.rs:39:1 | LL | const USIZE_AS_REF: &'static u8 = unsafe { mem::transmute(1337usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling reference (created from integer) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 39 05 00 00 │ 9... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-ref-ptr.rs:41:1 + --> $DIR/ub-ref-ptr.rs:42:1 | LL | const USIZE_AS_BOX: Box = unsafe { mem::transmute(1337usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling box (created from integer) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 39 05 00 00 │ 9... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-ref-ptr.rs:44:1 + --> $DIR/ub-ref-ptr.rs:45:1 | LL | const UNINIT_PTR: *const i32 = unsafe { MaybeUninit { uninit: () }.init }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized raw pointer | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + __ __ __ __ │ ░░░░ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-ref-ptr.rs:46:1 + --> $DIR/ub-ref-ptr.rs:47:1 | LL | const UNINIT_FN_PTR: fn() = unsafe { MaybeUninit { uninit: () }.init }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected a function pointer | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + __ __ __ __ │ ░░░░ + } error: aborting due to 11 previous errors diff --git a/src/test/ui/consts/const-eval/ub-ref-ptr.64bit.stderr b/src/test/ui/consts/const-eval/ub-ref-ptr.64bit.stderr new file mode 100644 index 000000000000..8bd4637a80be --- /dev/null +++ b/src/test/ui/consts/const-eval/ub-ref-ptr.64bit.stderr @@ -0,0 +1,124 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-ref-ptr.rs:13:1 + | +LL | const UNALIGNED: &u16 = unsafe { mem::transmute(&[0u8; 4]) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered an unaligned reference (required 2 byte alignment but found 1) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc2────────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-ref-ptr.rs:17:1 + | +LL | const UNALIGNED_BOX: Box = unsafe { mem::transmute(&[0u8; 4]) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered an unaligned box (required 2 byte alignment but found 1) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc6────────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-ref-ptr.rs:21:1 + | +LL | const NULL: &u16 = unsafe { mem::transmute(0usize) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a NULL reference + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + 00 00 00 00 00 00 00 00 │ ........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-ref-ptr.rs:24:1 + | +LL | const NULL_BOX: Box = unsafe { mem::transmute(0usize) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a NULL box + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + 00 00 00 00 00 00 00 00 │ ........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-ref-ptr.rs:30:1 + | +LL | const REF_AS_USIZE: usize = unsafe { mem::transmute(&0) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc14, but expected initialized plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc14───────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-ref-ptr.rs:33:1 + | +LL | const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }]; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a pointer at ., but expected plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc20───────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-ref-ptr.rs:36:1 + | +LL | const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[usize], _>(&[mem::transmute(&0)]) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a pointer at ., but expected plain (non-pointer) bytes + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc25───────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-ref-ptr.rs:39:1 + | +LL | const USIZE_AS_REF: &'static u8 = unsafe { mem::transmute(1337usize) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling reference (created from integer) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + 39 05 00 00 00 00 00 00 │ 9....... + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-ref-ptr.rs:42:1 + | +LL | const USIZE_AS_BOX: Box = unsafe { mem::transmute(1337usize) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling box (created from integer) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + 39 05 00 00 00 00 00 00 │ 9....... + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-ref-ptr.rs:45:1 + | +LL | const UNINIT_PTR: *const i32 = unsafe { MaybeUninit { uninit: () }.init }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized raw pointer + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + __ __ __ __ __ __ __ __ │ ░░░░░░░░ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-ref-ptr.rs:47:1 + | +LL | const UNINIT_FN_PTR: fn() = unsafe { MaybeUninit { uninit: () }.init }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected a function pointer + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + __ __ __ __ __ __ __ __ │ ░░░░░░░░ + } + +error: aborting due to 11 previous errors + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/ub-ref-ptr.rs b/src/test/ui/consts/const-eval/ub-ref-ptr.rs index f6075987d178..8857ae4caac8 100644 --- a/src/test/ui/consts/const-eval/ub-ref-ptr.rs +++ b/src/test/ui/consts/const-eval/ub-ref-ptr.rs @@ -1,4 +1,5 @@ // ignore-tidy-linelength +// stderr-per-bitwidth #![allow(const_err, invalid_value)] // make sure we cannot allow away the errors tested here use std::mem; diff --git a/src/test/ui/consts/const-eval/ub-uninhabit.stderr b/src/test/ui/consts/const-eval/ub-uninhabit.32bit.stderr similarity index 81% rename from src/test/ui/consts/const-eval/ub-uninhabit.stderr rename to src/test/ui/consts/const-eval/ub-uninhabit.32bit.stderr index 16f5316a4423..4155a8a2ef9f 100644 --- a/src/test/ui/consts/const-eval/ub-uninhabit.stderr +++ b/src/test/ui/consts/const-eval/ub-uninhabit.32bit.stderr @@ -1,26 +1,31 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-uninhabit.rs:14:1 + --> $DIR/ub-uninhabit.rs:15:1 | LL | const BAD_BAD_BAD: Bar = unsafe { MaybeUninit { uninit: () }.init }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Bar | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 0, align: 1) {} error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-uninhabit.rs:17:1 + --> $DIR/ub-uninhabit.rs:18:1 | LL | const BAD_BAD_REF: &Bar = unsafe { mem::transmute(1usize) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Bar at . | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 01 00 00 00 │ .... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-uninhabit.rs:20:1 + --> $DIR/ub-uninhabit.rs:21:1 | LL | const BAD_BAD_ARRAY: [Bar; 1] = unsafe { MaybeUninit { uninit: () }.init }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Bar at [0] | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 0, align: 1) {} error: aborting due to 3 previous errors diff --git a/src/test/ui/consts/const-eval/ub-uninhabit.64bit.stderr b/src/test/ui/consts/const-eval/ub-uninhabit.64bit.stderr new file mode 100644 index 000000000000..def795c7f563 --- /dev/null +++ b/src/test/ui/consts/const-eval/ub-uninhabit.64bit.stderr @@ -0,0 +1,32 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-uninhabit.rs:15:1 + | +LL | const BAD_BAD_BAD: Bar = unsafe { MaybeUninit { uninit: () }.init }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Bar + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 0, align: 1) {} + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-uninhabit.rs:18:1 + | +LL | const BAD_BAD_REF: &Bar = unsafe { mem::transmute(1usize) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Bar at . + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + 01 00 00 00 00 00 00 00 │ ........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-uninhabit.rs:21:1 + | +LL | const BAD_BAD_ARRAY: [Bar; 1] = unsafe { MaybeUninit { uninit: () }.init }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Bar at [0] + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 0, align: 1) {} + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/ub-uninhabit.rs b/src/test/ui/consts/const-eval/ub-uninhabit.rs index b81bca384943..33fbd14c4726 100644 --- a/src/test/ui/consts/const-eval/ub-uninhabit.rs +++ b/src/test/ui/consts/const-eval/ub-uninhabit.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth #![allow(const_err)] // make sure we cannot allow away the errors tested here use std::mem; diff --git a/src/test/ui/consts/const-eval/ub-upvars.stderr b/src/test/ui/consts/const-eval/ub-upvars.32bit.stderr similarity index 77% rename from src/test/ui/consts/const-eval/ub-upvars.stderr rename to src/test/ui/consts/const-eval/ub-upvars.32bit.stderr index afd6c9035cab..62756518a00e 100644 --- a/src/test/ui/consts/const-eval/ub-upvars.stderr +++ b/src/test/ui/consts/const-eval/ub-upvars.32bit.stderr @@ -1,5 +1,5 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-upvars.rs:5:1 + --> $DIR/ub-upvars.rs:6:1 | LL | / const BAD_UPVAR: &dyn FnOnce() = &{ LL | | let bad_ref: &'static u16 = unsafe { mem::transmute(0usize) }; @@ -9,6 +9,9 @@ LL | | }; | |__^ type validation failed: encountered a NULL reference at ... | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─alloc2──╼ ╾─alloc3──╼ │ ╾──╼╾──╼ + } error: aborting due to previous error diff --git a/src/test/ui/consts/const-eval/ub-upvars.64bit.stderr b/src/test/ui/consts/const-eval/ub-upvars.64bit.stderr new file mode 100644 index 000000000000..e9fabd9a3bcc --- /dev/null +++ b/src/test/ui/consts/const-eval/ub-upvars.64bit.stderr @@ -0,0 +1,18 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-upvars.rs:6:1 + | +LL | / const BAD_UPVAR: &dyn FnOnce() = &{ +LL | | let bad_ref: &'static u16 = unsafe { mem::transmute(0usize) }; +LL | | let another_var = 13; +LL | | move || { let _ = bad_ref; let _ = another_var; } +LL | | }; + | |__^ type validation failed: encountered a NULL reference at ... + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────alloc2────────╼ ╾───────alloc3────────╼ │ ╾──────╼╾──────╼ + } + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/ub-upvars.rs b/src/test/ui/consts/const-eval/ub-upvars.rs index 5d19276557eb..57dd7b9e5813 100644 --- a/src/test/ui/consts/const-eval/ub-upvars.rs +++ b/src/test/ui/consts/const-eval/ub-upvars.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth #![allow(const_err, invalid_value)] // make sure we cannot allow away the errors tested here use std::mem; diff --git a/src/test/ui/consts/const-eval/ub-wide-ptr.stderr b/src/test/ui/consts/const-eval/ub-wide-ptr.32bit.stderr similarity index 73% rename from src/test/ui/consts/const-eval/ub-wide-ptr.stderr rename to src/test/ui/consts/const-eval/ub-wide-ptr.32bit.stderr index be9ec16a06fe..7ca5c647d886 100644 --- a/src/test/ui/consts/const-eval/ub-wide-ptr.stderr +++ b/src/test/ui/consts/const-eval/ub-wide-ptr.32bit.stderr @@ -1,61 +1,82 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:37:1 + --> $DIR/ub-wide-ptr.rs:38:1 | LL | const STR_TOO_LONG: &str = unsafe { mem::transmute((&42u8, 999usize)) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling reference (going beyond the bounds of its allocation) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─allocN──╼ e7 03 00 00 │ ╾──╼.... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:39:1 + --> $DIR/ub-wide-ptr.rs:40:1 | LL | const NESTED_STR_MUCH_TOO_LONG: (&str,) = (unsafe { mem::transmute((&42, usize::MAX)) },); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered invalid reference metadata: slice is bigger than largest supported object at .0 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─allocN─╼ ff ff ff ff │ ╾──╼.... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:42:1 + --> $DIR/ub-wide-ptr.rs:43:1 | LL | const STR_LENGTH_PTR: &str = unsafe { mem::transmute((&42u8, &3)) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered non-integer slice length in wide pointer | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─allocN─╼ ╾─allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:45:1 + --> $DIR/ub-wide-ptr.rs:46:1 | LL | const MY_STR_LENGTH_PTR: &MyStr = unsafe { mem::transmute((&42u8, &3)) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered non-integer slice length in wide pointer | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─allocN─╼ ╾─allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:47:1 + --> $DIR/ub-wide-ptr.rs:48:1 | LL | const MY_STR_MUCH_TOO_LONG: &MyStr = unsafe { mem::transmute((&42u8, usize::MAX)) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered invalid reference metadata: slice is bigger than largest supported object | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─allocN─╼ ff ff ff ff │ ╾──╼.... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:51:1 + --> $DIR/ub-wide-ptr.rs:52:1 | LL | const STR_NO_INIT: &str = unsafe { mem::transmute::<&[_], _>(&[MaybeUninit:: { uninit: () }]) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized data in `str` at . | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─allocN─╼ 01 00 00 00 │ ╾──╼.... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:54:1 + --> $DIR/ub-wide-ptr.rs:55:1 | LL | const MYSTR_NO_INIT: &MyStr = unsafe { mem::transmute::<&[_], _>(&[MaybeUninit:: { uninit: () }]) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized data in `str` at ..0 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─allocN─╼ 01 00 00 00 │ ╾──╼.... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:61:1 + --> $DIR/ub-wide-ptr.rs:62:1 | LL | / const SLICE_LENGTH_UNINIT: &[u8] = unsafe { LL | | @@ -65,65 +86,89 @@ LL | | }; | |__^ type validation failed: encountered uninitialized reference | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + 2a 00 00 00 __ __ __ __ │ *...░░░░ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:67:1 + --> $DIR/ub-wide-ptr.rs:68:1 | LL | const SLICE_TOO_LONG: &[u8] = unsafe { mem::transmute((&42u8, 999usize)) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling reference (going beyond the bounds of its allocation) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─allocN─╼ e7 03 00 00 │ ╾──╼.... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:70:1 + --> $DIR/ub-wide-ptr.rs:71:1 | LL | const SLICE_LENGTH_PTR: &[u8] = unsafe { mem::transmute((&42u8, &3)) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered non-integer slice length in wide pointer | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─allocN─╼ ╾─allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:73:1 + --> $DIR/ub-wide-ptr.rs:74:1 | LL | const SLICE_TOO_LONG_BOX: Box<[u8]> = unsafe { mem::transmute((&42u8, 999usize)) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling box (going beyond the bounds of its allocation) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─allocN─╼ e7 03 00 00 │ ╾──╼.... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:76:1 + --> $DIR/ub-wide-ptr.rs:77:1 | LL | const SLICE_LENGTH_PTR_BOX: Box<[u8]> = unsafe { mem::transmute((&42u8, &3)) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered non-integer slice length in wide pointer | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─allocN─╼ ╾─allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:80:1 + --> $DIR/ub-wide-ptr.rs:81:1 | LL | const SLICE_CONTENT_INVALID: &[bool] = &[unsafe { mem::transmute(3u8) }]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x03 at .[0], but expected a boolean | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─allocN─╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:86:1 + --> $DIR/ub-wide-ptr.rs:87:1 | LL | const MYSLICE_PREFIX_BAD: &MySliceBool = &MySlice(unsafe { mem::transmute(3u8) }, [false]); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x03 at ..0, but expected a boolean | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─allocN─╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:89:1 + --> $DIR/ub-wide-ptr.rs:90:1 | LL | const MYSLICE_SUFFIX_BAD: &MySliceBool = &MySlice(true, [unsafe { mem::transmute(3u8) }]); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x03 at ..1[0], but expected a boolean | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─allocN─╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:96:1 + --> $DIR/ub-wide-ptr.rs:97:1 | LL | / const RAW_SLICE_LENGTH_UNINIT: *const [u8] = unsafe { LL | | @@ -133,95 +178,128 @@ LL | | }; | |__^ type validation failed: encountered uninitialized raw pointer | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + 2a 00 00 00 __ __ __ __ │ *...░░░░ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:104:1 + --> $DIR/ub-wide-ptr.rs:105:1 | LL | const TRAIT_OBJ_SHORT_VTABLE_1: W<&dyn Trait> = unsafe { mem::transmute(W((&92u8, &3u8))) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered too small vtable at .0 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾allocN─╼ ╾allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:107:1 + --> $DIR/ub-wide-ptr.rs:108:1 | LL | const TRAIT_OBJ_SHORT_VTABLE_2: W<&dyn Trait> = unsafe { mem::transmute(W((&92u8, &3u64))) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered too small vtable at .0 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾allocN─╼ ╾allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:110:1 + --> $DIR/ub-wide-ptr.rs:111:1 | LL | const TRAIT_OBJ_INT_VTABLE: W<&dyn Trait> = unsafe { mem::transmute(W((&92u8, 4usize))) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered dangling vtable pointer in wide pointer at .0 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾allocN─╼ 04 00 00 00 │ ╾──╼.... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:112:1 + --> $DIR/ub-wide-ptr.rs:113:1 | LL | const TRAIT_OBJ_UNALIGNED_VTABLE: &dyn Trait = unsafe { mem::transmute((&92u8, &[0u8; 128])) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered unaligned vtable pointer in wide pointer | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾allocN─╼ ╾allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:114:1 + --> $DIR/ub-wide-ptr.rs:115:1 | LL | const TRAIT_OBJ_BAD_DROP_FN_NULL: &dyn Trait = unsafe { mem::transmute((&92u8, &[0usize; 8])) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered invalid drop function pointer in vtable (not pointing to a function) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾allocN─╼ ╾allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:116:1 + --> $DIR/ub-wide-ptr.rs:117:1 | LL | const TRAIT_OBJ_BAD_DROP_FN_INT: &dyn Trait = unsafe { mem::transmute((&92u8, &[1usize; 8])) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered invalid drop function pointer in vtable (not pointing to a function) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾allocN─╼ ╾allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:118:1 + --> $DIR/ub-wide-ptr.rs:119:1 | LL | const TRAIT_OBJ_BAD_DROP_FN_NOT_FN_PTR: W<&dyn Trait> = unsafe { mem::transmute(W((&92u8, &[&42u8; 8]))) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered invalid drop function pointer in vtable (not pointing to a function) at .0 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾allocN─╼ ╾allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:122:1 + --> $DIR/ub-wide-ptr.rs:123:1 | LL | const TRAIT_OBJ_CONTENT_INVALID: &dyn Trait = unsafe { mem::transmute::<_, &bool>(&3u8) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x03 at .., but expected a boolean | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾allocN─╼ ╾allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:126:1 + --> $DIR/ub-wide-ptr.rs:127:1 | LL | const RAW_TRAIT_OBJ_VTABLE_NULL: *const dyn Trait = unsafe { mem::transmute((&92u8, 0usize)) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered dangling vtable pointer in wide pointer | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾allocN─╼ 00 00 00 00 │ ╾──╼.... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/ub-wide-ptr.rs:128:1 + --> $DIR/ub-wide-ptr.rs:129:1 | LL | const RAW_TRAIT_OBJ_VTABLE_INVALID: *const dyn Trait = unsafe { mem::transmute((&92u8, &3u64)) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered too small vtable | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾allocN─╼ ╾allocN─╼ │ ╾──╼╾──╼ + } error[E0080]: could not evaluate static initializer - --> $DIR/ub-wide-ptr.rs:134:5 + --> $DIR/ub-wide-ptr.rs:135:5 | LL | mem::transmute::<_, &dyn Trait>((&92u8, 0usize)) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ inbounds test failed: 0x0 is not a valid pointer error[E0080]: could not evaluate static initializer - --> $DIR/ub-wide-ptr.rs:138:5 + --> $DIR/ub-wide-ptr.rs:139:5 | LL | mem::transmute::<_, &dyn Trait>((&92u8, &3u64)) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: pointer must be in-bounds at offset N, but is outside bounds of allocN which has size N diff --git a/src/test/ui/consts/const-eval/ub-wide-ptr.64bit.stderr b/src/test/ui/consts/const-eval/ub-wide-ptr.64bit.stderr new file mode 100644 index 000000000000..e42c65a1517d --- /dev/null +++ b/src/test/ui/consts/const-eval/ub-wide-ptr.64bit.stderr @@ -0,0 +1,309 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:38:1 + | +LL | const STR_TOO_LONG: &str = unsafe { mem::transmute((&42u8, 999usize)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling reference (going beyond the bounds of its allocation) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────allocN────────╼ e7 03 00 00 00 00 00 00 │ ╾──────╼........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:40:1 + | +LL | const NESTED_STR_MUCH_TOO_LONG: (&str,) = (unsafe { mem::transmute((&42, usize::MAX)) },); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered invalid reference metadata: slice is bigger than largest supported object at .0 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────allocN───────╼ ff ff ff ff ff ff ff ff │ ╾──────╼........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:43:1 + | +LL | const STR_LENGTH_PTR: &str = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered non-integer slice length in wide pointer + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────allocN───────╼ ╾───────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:46:1 + | +LL | const MY_STR_LENGTH_PTR: &MyStr = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered non-integer slice length in wide pointer + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────allocN───────╼ ╾───────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:48:1 + | +LL | const MY_STR_MUCH_TOO_LONG: &MyStr = unsafe { mem::transmute((&42u8, usize::MAX)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered invalid reference metadata: slice is bigger than largest supported object + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────allocN───────╼ ff ff ff ff ff ff ff ff │ ╾──────╼........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:52:1 + | +LL | const STR_NO_INIT: &str = unsafe { mem::transmute::<&[_], _>(&[MaybeUninit:: { uninit: () }]) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized data in `str` at . + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────allocN───────╼ 01 00 00 00 00 00 00 00 │ ╾──────╼........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:55:1 + | +LL | const MYSTR_NO_INIT: &MyStr = unsafe { mem::transmute::<&[_], _>(&[MaybeUninit:: { uninit: () }]) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized data in `str` at ..0 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────allocN───────╼ 01 00 00 00 00 00 00 00 │ ╾──────╼........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:62:1 + | +LL | / const SLICE_LENGTH_UNINIT: &[u8] = unsafe { +LL | | +LL | | let uninit_len = MaybeUninit:: { uninit: () }; +LL | | mem::transmute((42, uninit_len)) +LL | | }; + | |__^ type validation failed: encountered uninitialized reference + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ │ ░░░░░░░░░░░░░░░░ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:68:1 + | +LL | const SLICE_TOO_LONG: &[u8] = unsafe { mem::transmute((&42u8, 999usize)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling reference (going beyond the bounds of its allocation) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────allocN───────╼ e7 03 00 00 00 00 00 00 │ ╾──────╼........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:71:1 + | +LL | const SLICE_LENGTH_PTR: &[u8] = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered non-integer slice length in wide pointer + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────allocN───────╼ ╾───────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:74:1 + | +LL | const SLICE_TOO_LONG_BOX: Box<[u8]> = unsafe { mem::transmute((&42u8, 999usize)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling box (going beyond the bounds of its allocation) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────allocN───────╼ e7 03 00 00 00 00 00 00 │ ╾──────╼........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:77:1 + | +LL | const SLICE_LENGTH_PTR_BOX: Box<[u8]> = unsafe { mem::transmute((&42u8, &3)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered non-integer slice length in wide pointer + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────allocN───────╼ ╾───────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:81:1 + | +LL | const SLICE_CONTENT_INVALID: &[bool] = &[unsafe { mem::transmute(3u8) }]; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x03 at .[0], but expected a boolean + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────allocN───────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:87:1 + | +LL | const MYSLICE_PREFIX_BAD: &MySliceBool = &MySlice(unsafe { mem::transmute(3u8) }, [false]); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x03 at ..0, but expected a boolean + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────allocN───────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:90:1 + | +LL | const MYSLICE_SUFFIX_BAD: &MySliceBool = &MySlice(true, [unsafe { mem::transmute(3u8) }]); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x03 at ..1[0], but expected a boolean + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────allocN───────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:97:1 + | +LL | / const RAW_SLICE_LENGTH_UNINIT: *const [u8] = unsafe { +LL | | +LL | | let uninit_len = MaybeUninit:: { uninit: () }; +LL | | mem::transmute((42, uninit_len)) +LL | | }; + | |__^ type validation failed: encountered uninitialized raw pointer + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ │ ░░░░░░░░░░░░░░░░ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:105:1 + | +LL | const TRAIT_OBJ_SHORT_VTABLE_1: W<&dyn Trait> = unsafe { mem::transmute(W((&92u8, &3u8))) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered too small vtable at .0 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾──────allocN───────╼ ╾──────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:108:1 + | +LL | const TRAIT_OBJ_SHORT_VTABLE_2: W<&dyn Trait> = unsafe { mem::transmute(W((&92u8, &3u64))) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered too small vtable at .0 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾──────allocN───────╼ ╾──────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:111:1 + | +LL | const TRAIT_OBJ_INT_VTABLE: W<&dyn Trait> = unsafe { mem::transmute(W((&92u8, 4usize))) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered dangling vtable pointer in wide pointer at .0 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾──────allocN───────╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:113:1 + | +LL | const TRAIT_OBJ_UNALIGNED_VTABLE: &dyn Trait = unsafe { mem::transmute((&92u8, &[0u8; 128])) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered unaligned vtable pointer in wide pointer + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾──────allocN───────╼ ╾──────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:115:1 + | +LL | const TRAIT_OBJ_BAD_DROP_FN_NULL: &dyn Trait = unsafe { mem::transmute((&92u8, &[0usize; 8])) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered invalid drop function pointer in vtable (not pointing to a function) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾──────allocN───────╼ ╾──────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:117:1 + | +LL | const TRAIT_OBJ_BAD_DROP_FN_INT: &dyn Trait = unsafe { mem::transmute((&92u8, &[1usize; 8])) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered invalid drop function pointer in vtable (not pointing to a function) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾──────allocN───────╼ ╾──────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:119:1 + | +LL | const TRAIT_OBJ_BAD_DROP_FN_NOT_FN_PTR: W<&dyn Trait> = unsafe { mem::transmute(W((&92u8, &[&42u8; 8]))) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered invalid drop function pointer in vtable (not pointing to a function) at .0 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾──────allocN───────╼ ╾──────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:123:1 + | +LL | const TRAIT_OBJ_CONTENT_INVALID: &dyn Trait = unsafe { mem::transmute::<_, &bool>(&3u8) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x03 at .., but expected a boolean + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾──────allocN───────╼ ╾──────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:127:1 + | +LL | const RAW_TRAIT_OBJ_VTABLE_NULL: *const dyn Trait = unsafe { mem::transmute((&92u8, 0usize)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered dangling vtable pointer in wide pointer + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾──────allocN───────╼ 00 00 00 00 00 00 00 00 │ ╾──────╼........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/ub-wide-ptr.rs:129:1 + | +LL | const RAW_TRAIT_OBJ_VTABLE_INVALID: *const dyn Trait = unsafe { mem::transmute((&92u8, &3u64)) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered too small vtable + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾──────allocN───────╼ ╾──────allocN───────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: could not evaluate static initializer + --> $DIR/ub-wide-ptr.rs:135:5 + | +LL | mem::transmute::<_, &dyn Trait>((&92u8, 0usize)) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ inbounds test failed: 0x0 is not a valid pointer + +error[E0080]: could not evaluate static initializer + --> $DIR/ub-wide-ptr.rs:139:5 + | +LL | mem::transmute::<_, &dyn Trait>((&92u8, &3u64)) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: pointer must be in-bounds at offset N, but is outside bounds of allocN which has size N + +error: aborting due to 28 previous errors + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/ub-wide-ptr.rs b/src/test/ui/consts/const-eval/ub-wide-ptr.rs index 2975118cdb7f..0fb9f7960ce1 100644 --- a/src/test/ui/consts/const-eval/ub-wide-ptr.rs +++ b/src/test/ui/consts/const-eval/ub-wide-ptr.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth // ignore-tidy-linelength #![allow(unused)] #![allow(const_err)] // make sure we cannot allow away the errors tested here diff --git a/src/test/ui/consts/const-eval/union-const-eval-field.rs b/src/test/ui/consts/const-eval/union-const-eval-field.rs index 7f29a5bc24e4..f8e1d6d569dd 100644 --- a/src/test/ui/consts/const-eval/union-const-eval-field.rs +++ b/src/test/ui/consts/const-eval/union-const-eval-field.rs @@ -1,3 +1,4 @@ +// only-x86_64 #![feature(const_fn)] type Field1 = i32; diff --git a/src/test/ui/consts/const-eval/union-const-eval-field.stderr b/src/test/ui/consts/const-eval/union-const-eval-field.stderr index 9193bd9dea18..c1c2dcb22695 100644 --- a/src/test/ui/consts/const-eval/union-const-eval-field.stderr +++ b/src/test/ui/consts/const-eval/union-const-eval-field.stderr @@ -1,10 +1,13 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/union-const-eval-field.rs:28:5 + --> $DIR/union-const-eval-field.rs:29:5 | LL | const FIELD3: Field3 = unsafe { UNION.field3 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + __ __ __ __ __ __ __ __ │ ░░░░░░░░ + } error: aborting due to previous error diff --git a/src/test/ui/consts/const-eval/union-ice.rs b/src/test/ui/consts/const-eval/union-ice.rs index 5a14c7fd9934..40e5a005ba4a 100644 --- a/src/test/ui/consts/const-eval/union-ice.rs +++ b/src/test/ui/consts/const-eval/union-ice.rs @@ -1,3 +1,4 @@ +// only-x86_64 #![feature(const_fn)] type Field1 = i32; diff --git a/src/test/ui/consts/const-eval/union-ice.stderr b/src/test/ui/consts/const-eval/union-ice.stderr index 2545167aa02f..f8b9478ad1a6 100644 --- a/src/test/ui/consts/const-eval/union-ice.stderr +++ b/src/test/ui/consts/const-eval/union-ice.stderr @@ -1,13 +1,16 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/union-ice.rs:14:1 + --> $DIR/union-ice.rs:15:1 | LL | const FIELD3: Field3 = unsafe { UNION.field3 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + __ __ __ __ __ __ __ __ │ ░░░░░░░░ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/union-ice.rs:16:1 + --> $DIR/union-ice.rs:17:1 | LL | / const FIELD_PATH: Struct = Struct { LL | | a: 42, @@ -16,9 +19,12 @@ LL | | }; | |__^ type validation failed: encountered uninitialized bytes at .b, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + __ __ __ __ __ __ __ __ 2a __ __ __ __ __ __ __ │ ░░░░░░░░*░░░░░░░ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/union-ice.rs:26:1 + --> $DIR/union-ice.rs:27:1 | LL | / const FIELD_PATH2: Struct2 = Struct2 { LL | | b: [ @@ -30,6 +36,11 @@ LL | | }; | |__^ type validation failed: encountered uninitialized bytes at .b[1] | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 40, align: 8) { + 0x00 │ 15 00 00 00 00 00 00 00 __ __ __ __ __ __ __ __ │ ........░░░░░░░░ + 0x10 │ 17 00 00 00 00 00 00 00 18 00 00 00 00 00 00 00 │ ................ + 0x20 │ 2a __ __ __ __ __ __ __ │ *░░░░░░░ + } error: aborting due to 3 previous errors diff --git a/src/test/ui/consts/const-eval/union-ub.stderr b/src/test/ui/consts/const-eval/union-ub.32bit.stderr similarity index 75% rename from src/test/ui/consts/const-eval/union-ub.stderr rename to src/test/ui/consts/const-eval/union-ub.32bit.stderr index e8869d0d76c1..d3e4bad968bd 100644 --- a/src/test/ui/consts/const-eval/union-ub.stderr +++ b/src/test/ui/consts/const-eval/union-ub.32bit.stderr @@ -1,18 +1,24 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/union-ub.rs:32:1 + --> $DIR/union-ub.rs:33:1 | LL | const BAD_BOOL: bool = unsafe { DummyUnion { u8: 42 }.bool}; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x2a, but expected a boolean | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 2a │ * + } error[E0080]: it is undefined behavior to use this value - --> $DIR/union-ub.rs:34:1 + --> $DIR/union-ub.rs:35:1 | LL | const UNINIT_BOOL: bool = unsafe { DummyUnion { unit: () }.bool}; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected a boolean | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + __ │ ░ + } error: aborting due to 2 previous errors diff --git a/src/test/ui/consts/const-eval/union-ub.64bit.stderr b/src/test/ui/consts/const-eval/union-ub.64bit.stderr new file mode 100644 index 000000000000..d3e4bad968bd --- /dev/null +++ b/src/test/ui/consts/const-eval/union-ub.64bit.stderr @@ -0,0 +1,25 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/union-ub.rs:33:1 + | +LL | const BAD_BOOL: bool = unsafe { DummyUnion { u8: 42 }.bool}; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0x2a, but expected a boolean + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + 2a │ * + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/union-ub.rs:35:1 + | +LL | const UNINIT_BOOL: bool = unsafe { DummyUnion { unit: () }.bool}; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered uninitialized bytes, but expected a boolean + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 1, align: 1) { + __ │ ░ + } + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/union-ub.rs b/src/test/ui/consts/const-eval/union-ub.rs index 512359f5b1c3..c1bfe69a706e 100644 --- a/src/test/ui/consts/const-eval/union-ub.rs +++ b/src/test/ui/consts/const-eval/union-ub.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth #![allow(const_err)] // make sure we cannot allow away the errors tested here #[repr(C)] diff --git a/src/test/ui/consts/const-eval/validate_uninhabited_zsts.stderr b/src/test/ui/consts/const-eval/validate_uninhabited_zsts.32bit.stderr similarity index 88% rename from src/test/ui/consts/const-eval/validate_uninhabited_zsts.stderr rename to src/test/ui/consts/const-eval/validate_uninhabited_zsts.32bit.stderr index 3f22fac11f65..bb91b43e20b4 100644 --- a/src/test/ui/consts/const-eval/validate_uninhabited_zsts.stderr +++ b/src/test/ui/consts/const-eval/validate_uninhabited_zsts.32bit.stderr @@ -1,18 +1,18 @@ warning: any use of this value will cause an error - --> $DIR/validate_uninhabited_zsts.rs:5:14 + --> $DIR/validate_uninhabited_zsts.rs:6:14 | LL | unsafe { std::mem::transmute(()) } | ^^^^^^^^^^^^^^^^^^^^^^^ | | | transmuting to uninhabited type - | inside `foo` at $DIR/validate_uninhabited_zsts.rs:5:14 - | inside `FOO` at $DIR/validate_uninhabited_zsts.rs:15:26 + | inside `foo` at $DIR/validate_uninhabited_zsts.rs:6:14 + | inside `FOO` at $DIR/validate_uninhabited_zsts.rs:16:26 ... LL | const FOO: [Empty; 3] = [foo(); 3]; | ----------------------------------- | note: the lint level is defined here - --> $DIR/validate_uninhabited_zsts.rs:14:8 + --> $DIR/validate_uninhabited_zsts.rs:15:8 | LL | #[warn(const_err)] | ^^^^^^^^^ @@ -20,15 +20,16 @@ LL | #[warn(const_err)] = note: for more information, see issue #71800 error[E0080]: it is undefined behavior to use this value - --> $DIR/validate_uninhabited_zsts.rs:18:1 + --> $DIR/validate_uninhabited_zsts.rs:19:1 | LL | const BAR: [Empty; 3] = [unsafe { std::mem::transmute(()) }; 3]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Empty at [0] | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 0, align: 1) {} warning: the type `!` does not permit zero-initialization - --> $DIR/validate_uninhabited_zsts.rs:5:14 + --> $DIR/validate_uninhabited_zsts.rs:6:14 | LL | unsafe { std::mem::transmute(()) } | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -40,7 +41,7 @@ LL | unsafe { std::mem::transmute(()) } = note: the `!` type has no valid value warning: the type `Empty` does not permit zero-initialization - --> $DIR/validate_uninhabited_zsts.rs:18:35 + --> $DIR/validate_uninhabited_zsts.rs:19:35 | LL | const BAR: [Empty; 3] = [unsafe { std::mem::transmute(()) }; 3]; | ^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/consts/const-eval/validate_uninhabited_zsts.64bit.stderr b/src/test/ui/consts/const-eval/validate_uninhabited_zsts.64bit.stderr new file mode 100644 index 000000000000..bb91b43e20b4 --- /dev/null +++ b/src/test/ui/consts/const-eval/validate_uninhabited_zsts.64bit.stderr @@ -0,0 +1,56 @@ +warning: any use of this value will cause an error + --> $DIR/validate_uninhabited_zsts.rs:6:14 + | +LL | unsafe { std::mem::transmute(()) } + | ^^^^^^^^^^^^^^^^^^^^^^^ + | | + | transmuting to uninhabited type + | inside `foo` at $DIR/validate_uninhabited_zsts.rs:6:14 + | inside `FOO` at $DIR/validate_uninhabited_zsts.rs:16:26 +... +LL | const FOO: [Empty; 3] = [foo(); 3]; + | ----------------------------------- + | +note: the lint level is defined here + --> $DIR/validate_uninhabited_zsts.rs:15:8 + | +LL | #[warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 + +error[E0080]: it is undefined behavior to use this value + --> $DIR/validate_uninhabited_zsts.rs:19:1 + | +LL | const BAR: [Empty; 3] = [unsafe { std::mem::transmute(()) }; 3]; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of uninhabited type Empty at [0] + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 0, align: 1) {} + +warning: the type `!` does not permit zero-initialization + --> $DIR/validate_uninhabited_zsts.rs:6:14 + | +LL | unsafe { std::mem::transmute(()) } + | ^^^^^^^^^^^^^^^^^^^^^^^ + | | + | this code causes undefined behavior when executed + | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done + | + = note: `#[warn(invalid_value)]` on by default + = note: the `!` type has no valid value + +warning: the type `Empty` does not permit zero-initialization + --> $DIR/validate_uninhabited_zsts.rs:19:35 + | +LL | const BAR: [Empty; 3] = [unsafe { std::mem::transmute(()) }; 3]; + | ^^^^^^^^^^^^^^^^^^^^^^^ + | | + | this code causes undefined behavior when executed + | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done + | + = note: enums with no variants have no valid value + +error: aborting due to previous error; 3 warnings emitted + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-eval/validate_uninhabited_zsts.rs b/src/test/ui/consts/const-eval/validate_uninhabited_zsts.rs index 4e1c71cd6001..a32dfa2918ba 100644 --- a/src/test/ui/consts/const-eval/validate_uninhabited_zsts.rs +++ b/src/test/ui/consts/const-eval/validate_uninhabited_zsts.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth #![feature(const_fn)] #![feature(const_fn_transmute)] diff --git a/src/test/ui/consts/const-points-to-static.stderr b/src/test/ui/consts/const-points-to-static.32bit.stderr similarity index 74% rename from src/test/ui/consts/const-points-to-static.stderr rename to src/test/ui/consts/const-points-to-static.32bit.stderr index 465537fb3d5e..c582678e2d65 100644 --- a/src/test/ui/consts/const-points-to-static.stderr +++ b/src/test/ui/consts/const-points-to-static.32bit.stderr @@ -1,15 +1,18 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/const-points-to-static.rs:5:1 + --> $DIR/const-points-to-static.rs:6:1 | LL | const TEST: &u8 = &MY_STATIC; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a reference pointing to a static variable | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc0──╼ │ ╾──╼ + } warning: skipping const checks | help: skipping check that does not even have a feature gate - --> $DIR/const-points-to-static.rs:5:20 + --> $DIR/const-points-to-static.rs:6:20 | LL | const TEST: &u8 = &MY_STATIC; | ^^^^^^^^^ diff --git a/src/test/ui/consts/const-points-to-static.64bit.stderr b/src/test/ui/consts/const-points-to-static.64bit.stderr new file mode 100644 index 000000000000..1112499a3ee6 --- /dev/null +++ b/src/test/ui/consts/const-points-to-static.64bit.stderr @@ -0,0 +1,22 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/const-points-to-static.rs:6:1 + | +LL | const TEST: &u8 = &MY_STATIC; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a reference pointing to a static variable + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc0────────╼ │ ╾──────╼ + } + +warning: skipping const checks + | +help: skipping check that does not even have a feature gate + --> $DIR/const-points-to-static.rs:6:20 + | +LL | const TEST: &u8 = &MY_STATIC; + | ^^^^^^^^^ + +error: aborting due to previous error; 1 warning emitted + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/const-points-to-static.rs b/src/test/ui/consts/const-points-to-static.rs index 7087b6e6a676..4359230685f3 100644 --- a/src/test/ui/consts/const-points-to-static.rs +++ b/src/test/ui/consts/const-points-to-static.rs @@ -1,11 +1,13 @@ // compile-flags: -Zunleash-the-miri-inside-of-you +// stderr-per-bitwidth #![allow(dead_code)] const TEST: &u8 = &MY_STATIC; //~^ ERROR it is undefined behavior to use this value //~| NOTE encountered a reference pointing to a static variable -//~| NOTE +//~| NOTE undefined behavior +//~| NOTE the raw bytes of the constant static MY_STATIC: u8 = 4; diff --git a/src/test/ui/consts/issue-32829-2.rs b/src/test/ui/consts/issue-32829-2.rs index c93c84b5fb77..e0fcf2783309 100644 --- a/src/test/ui/consts/issue-32829-2.rs +++ b/src/test/ui/consts/issue-32829-2.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - const bad : u32 = { { 5; diff --git a/src/test/ui/consts/issue-32829-2.stderr b/src/test/ui/consts/issue-32829-2.stderr index 8d7423f29ae9..1d265875c5c9 100644 --- a/src/test/ui/consts/issue-32829-2.stderr +++ b/src/test/ui/consts/issue-32829-2.stderr @@ -1,17 +1,17 @@ error[E0015]: calls in constants are limited to constant functions, tuple structs and tuple variants - --> $DIR/issue-32829-2.rs:12:9 + --> $DIR/issue-32829-2.rs:10:9 | LL | invalid(); | ^^^^^^^^^ error[E0015]: calls in statics are limited to constant functions, tuple structs and tuple variants - --> $DIR/issue-32829-2.rs:34:9 + --> $DIR/issue-32829-2.rs:32:9 | LL | invalid(); | ^^^^^^^^^ error[E0015]: calls in statics are limited to constant functions, tuple structs and tuple variants - --> $DIR/issue-32829-2.rs:56:9 + --> $DIR/issue-32829-2.rs:54:9 | LL | invalid(); | ^^^^^^^^^ diff --git a/src/test/ui/consts/issue-63952.stderr b/src/test/ui/consts/issue-63952.32bit.stderr similarity index 77% rename from src/test/ui/consts/issue-63952.stderr rename to src/test/ui/consts/issue-63952.32bit.stderr index 503c5706fa24..6d52ed065bff 100644 --- a/src/test/ui/consts/issue-63952.stderr +++ b/src/test/ui/consts/issue-63952.32bit.stderr @@ -1,5 +1,5 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/issue-63952.rs:16:1 + --> $DIR/issue-63952.rs:17:1 | LL | / const SLICE_WAY_TOO_LONG: &[u8] = unsafe { LL | | SliceTransmute { @@ -11,6 +11,9 @@ LL | | }; | |__^ type validation failed: encountered invalid reference metadata: slice is bigger than largest supported object | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─alloc3──╼ ff ff ff ff │ ╾──╼.... + } error: aborting due to previous error diff --git a/src/test/ui/consts/issue-63952.64bit.stderr b/src/test/ui/consts/issue-63952.64bit.stderr new file mode 100644 index 000000000000..3335c5bf72ef --- /dev/null +++ b/src/test/ui/consts/issue-63952.64bit.stderr @@ -0,0 +1,20 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/issue-63952.rs:17:1 + | +LL | / const SLICE_WAY_TOO_LONG: &[u8] = unsafe { +LL | | SliceTransmute { +LL | | repr: SliceRepr { +LL | | ptr: &42, +... | +LL | | .slice +LL | | }; + | |__^ type validation failed: encountered invalid reference metadata: slice is bigger than largest supported object + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────alloc3────────╼ ff ff ff ff ff ff ff ff │ ╾──────╼........ + } + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/issue-63952.rs b/src/test/ui/consts/issue-63952.rs index f50e1e51f612..5c83e6f45c9b 100644 --- a/src/test/ui/consts/issue-63952.rs +++ b/src/test/ui/consts/issue-63952.rs @@ -1,4 +1,5 @@ // Regression test for #63952, shouldn't hang. +// stderr-per-bitwidth #[repr(C)] #[derive(Copy, Clone)] diff --git a/src/test/ui/consts/issue-79690.stderr b/src/test/ui/consts/issue-79690.64bit.stderr similarity index 68% rename from src/test/ui/consts/issue-79690.stderr rename to src/test/ui/consts/issue-79690.64bit.stderr index ca56ff220564..2639bc4812cb 100644 --- a/src/test/ui/consts/issue-79690.stderr +++ b/src/test/ui/consts/issue-79690.64bit.stderr @@ -1,10 +1,13 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/issue-79690.rs:29:1 + --> $DIR/issue-79690.rs:30:1 | LL | const G: Fat = unsafe { Transmute { t: FOO }.u }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered (potentially part of) a pointer at .1..size.foo, but expected plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────alloc2────────╼ ╾───────alloc3────────╼ │ ╾──────╼╾──────╼ + } error: aborting due to previous error diff --git a/src/test/ui/consts/issue-79690.rs b/src/test/ui/consts/issue-79690.rs index a2e7b97b3187..56747bf5a110 100644 --- a/src/test/ui/consts/issue-79690.rs +++ b/src/test/ui/consts/issue-79690.rs @@ -1,5 +1,6 @@ // ignore-32bit // This test gives a different error on 32-bit architectures. +// stderr-per-bitwidth union Transmute { t: T, diff --git a/src/test/ui/consts/miri_unleashed/const_refers_to_static2.stderr b/src/test/ui/consts/miri_unleashed/const_refers_to_static2.32bit.stderr similarity index 74% rename from src/test/ui/consts/miri_unleashed/const_refers_to_static2.stderr rename to src/test/ui/consts/miri_unleashed/const_refers_to_static2.32bit.stderr index 2e40b38dac76..6ca18290b43d 100644 --- a/src/test/ui/consts/miri_unleashed/const_refers_to_static2.stderr +++ b/src/test/ui/consts/miri_unleashed/const_refers_to_static2.32bit.stderr @@ -1,43 +1,51 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/const_refers_to_static2.rs:10:1 + --> $DIR/const_refers_to_static2.rs:11:1 | LL | / const REF_INTERIOR_MUT: &usize = { LL | | LL | | +LL | | LL | | static FOO: AtomicUsize = AtomicUsize::new(0); LL | | unsafe { &*(&FOO as *const _ as *const usize) } LL | | }; | |__^ type validation failed: encountered a reference pointing to a static variable | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc0──╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/const_refers_to_static2.rs:18:1 + --> $DIR/const_refers_to_static2.rs:20:1 | LL | / const READ_IMMUT: &usize = { LL | | LL | | +LL | | LL | | static FOO: usize = 0; LL | | &FOO LL | | }; | |__^ type validation failed: encountered a reference pointing to a static variable | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc1──╼ │ ╾──╼ + } warning: skipping const checks | help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static2.rs:14:18 + --> $DIR/const_refers_to_static2.rs:16:18 | LL | unsafe { &*(&FOO as *const _ as *const usize) } | ^^^ help: skipping check for `const_raw_ptr_deref` feature - --> $DIR/const_refers_to_static2.rs:14:14 + --> $DIR/const_refers_to_static2.rs:16:14 | LL | unsafe { &*(&FOO as *const _ as *const usize) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static2.rs:22:6 + --> $DIR/const_refers_to_static2.rs:25:6 | LL | &FOO | ^^^ diff --git a/src/test/ui/consts/miri_unleashed/const_refers_to_static2.64bit.stderr b/src/test/ui/consts/miri_unleashed/const_refers_to_static2.64bit.stderr new file mode 100644 index 000000000000..5521cd34aadc --- /dev/null +++ b/src/test/ui/consts/miri_unleashed/const_refers_to_static2.64bit.stderr @@ -0,0 +1,55 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/const_refers_to_static2.rs:11:1 + | +LL | / const REF_INTERIOR_MUT: &usize = { +LL | | +LL | | +LL | | +LL | | static FOO: AtomicUsize = AtomicUsize::new(0); +LL | | unsafe { &*(&FOO as *const _ as *const usize) } +LL | | }; + | |__^ type validation failed: encountered a reference pointing to a static variable + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc0────────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/const_refers_to_static2.rs:20:1 + | +LL | / const READ_IMMUT: &usize = { +LL | | +LL | | +LL | | +LL | | static FOO: usize = 0; +LL | | &FOO +LL | | }; + | |__^ type validation failed: encountered a reference pointing to a static variable + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc1────────╼ │ ╾──────╼ + } + +warning: skipping const checks + | +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static2.rs:16:18 + | +LL | unsafe { &*(&FOO as *const _ as *const usize) } + | ^^^ +help: skipping check for `const_raw_ptr_deref` feature + --> $DIR/const_refers_to_static2.rs:16:14 + | +LL | unsafe { &*(&FOO as *const _ as *const usize) } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static2.rs:25:6 + | +LL | &FOO + | ^^^ + +error: aborting due to 2 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/miri_unleashed/const_refers_to_static2.rs b/src/test/ui/consts/miri_unleashed/const_refers_to_static2.rs index b5db685ef2c0..2548474d4fd1 100644 --- a/src/test/ui/consts/miri_unleashed/const_refers_to_static2.rs +++ b/src/test/ui/consts/miri_unleashed/const_refers_to_static2.rs @@ -1,4 +1,5 @@ // compile-flags: -Zunleash-the-miri-inside-of-you +// stderr-per-bitwidth #![allow(const_err)] use std::sync::atomic::AtomicUsize; @@ -9,7 +10,8 @@ use std::sync::atomic::Ordering; const REF_INTERIOR_MUT: &usize = { //~ ERROR undefined behavior to use this value //~| NOTE encountered a reference pointing to a static variable -//~| NOTE +//~| NOTE undefined behavior +//~| NOTE the raw bytes of the constant static FOO: AtomicUsize = AtomicUsize::new(0); unsafe { &*(&FOO as *const _ as *const usize) } }; @@ -17,7 +19,8 @@ const REF_INTERIOR_MUT: &usize = { //~ ERROR undefined behavior to use this valu // ok some day perhaps const READ_IMMUT: &usize = { //~ ERROR it is undefined behavior to use this value //~| NOTE encountered a reference pointing to a static variable -//~| NOTE +//~| NOTE undefined behavior +//~| NOTE the raw bytes of the constant static FOO: usize = 0; &FOO }; diff --git a/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.stderr b/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.32bit.stderr similarity index 75% rename from src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.stderr rename to src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.32bit.stderr index a9d6fde6c05b..73d1d7c5b950 100644 --- a/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.stderr +++ b/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.32bit.stderr @@ -1,41 +1,49 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/const_refers_to_static_cross_crate.rs:11:1 + --> $DIR/const_refers_to_static_cross_crate.rs:12:1 | LL | / const SLICE_MUT: &[u8; 1] = { LL | | LL | | +LL | | LL | | unsafe { &static_cross_crate::ZERO } LL | | }; | |__^ type validation failed: encountered a reference pointing to a static variable | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc0──╼ │ ╾──╼ + } error: could not evaluate constant pattern - --> $DIR/const_refers_to_static_cross_crate.rs:44:9 + --> $DIR/const_refers_to_static_cross_crate.rs:47:9 | LL | SLICE_MUT => true, | ^^^^^^^^^ error[E0080]: it is undefined behavior to use this value - --> $DIR/const_refers_to_static_cross_crate.rs:17:1 + --> $DIR/const_refers_to_static_cross_crate.rs:19:1 | LL | / const U8_MUT: &u8 = { LL | | LL | | +LL | | LL | | unsafe { &static_cross_crate::ZERO[0] } LL | | }; | |__^ type validation failed: encountered a reference pointing to a static variable | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc0──╼ │ ╾──╼ + } error: could not evaluate constant pattern - --> $DIR/const_refers_to_static_cross_crate.rs:53:9 + --> $DIR/const_refers_to_static_cross_crate.rs:56:9 | LL | U8_MUT => true, | ^^^^^^ warning: any use of this value will cause an error - --> $DIR/const_refers_to_static_cross_crate.rs:26:15 + --> $DIR/const_refers_to_static_cross_crate.rs:29:15 | LL | / const U8_MUT2: &u8 = { LL | | unsafe { &(*static_cross_crate::ZERO_REF)[0] } @@ -48,7 +56,7 @@ LL | | }; | |__- | note: the lint level is defined here - --> $DIR/const_refers_to_static_cross_crate.rs:24:8 + --> $DIR/const_refers_to_static_cross_crate.rs:27:8 | LL | #[warn(const_err)] | ^^^^^^^^^ @@ -56,13 +64,13 @@ LL | #[warn(const_err)] = note: for more information, see issue #71800 error: could not evaluate constant pattern - --> $DIR/const_refers_to_static_cross_crate.rs:64:9 + --> $DIR/const_refers_to_static_cross_crate.rs:67:9 | LL | U8_MUT2 => true, | ^^^^^^^ warning: any use of this value will cause an error - --> $DIR/const_refers_to_static_cross_crate.rs:34:51 + --> $DIR/const_refers_to_static_cross_crate.rs:37:51 | LL | / const U8_MUT3: &u8 = { LL | | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } @@ -75,7 +83,7 @@ LL | | }; | |__- | note: the lint level is defined here - --> $DIR/const_refers_to_static_cross_crate.rs:32:8 + --> $DIR/const_refers_to_static_cross_crate.rs:35:8 | LL | #[warn(const_err)] | ^^^^^^^^^ @@ -83,31 +91,31 @@ LL | #[warn(const_err)] = note: for more information, see issue #71800 error: could not evaluate constant pattern - --> $DIR/const_refers_to_static_cross_crate.rs:72:9 + --> $DIR/const_refers_to_static_cross_crate.rs:75:9 | LL | U8_MUT3 => true, | ^^^^^^^ error: could not evaluate constant pattern - --> $DIR/const_refers_to_static_cross_crate.rs:44:9 + --> $DIR/const_refers_to_static_cross_crate.rs:47:9 | LL | SLICE_MUT => true, | ^^^^^^^^^ error: could not evaluate constant pattern - --> $DIR/const_refers_to_static_cross_crate.rs:53:9 + --> $DIR/const_refers_to_static_cross_crate.rs:56:9 | LL | U8_MUT => true, | ^^^^^^ error: could not evaluate constant pattern - --> $DIR/const_refers_to_static_cross_crate.rs:64:9 + --> $DIR/const_refers_to_static_cross_crate.rs:67:9 | LL | U8_MUT2 => true, | ^^^^^^^ error: could not evaluate constant pattern - --> $DIR/const_refers_to_static_cross_crate.rs:72:9 + --> $DIR/const_refers_to_static_cross_crate.rs:75:9 | LL | U8_MUT3 => true, | ^^^^^^^ @@ -115,57 +123,57 @@ LL | U8_MUT3 => true, warning: skipping const checks | help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static_cross_crate.rs:14:15 + --> $DIR/const_refers_to_static_cross_crate.rs:16:15 | LL | unsafe { &static_cross_crate::ZERO } | ^^^^^^^^^^^^^^^^^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static_cross_crate.rs:14:15 + --> $DIR/const_refers_to_static_cross_crate.rs:16:15 | LL | unsafe { &static_cross_crate::ZERO } | ^^^^^^^^^^^^^^^^^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static_cross_crate.rs:20:15 + --> $DIR/const_refers_to_static_cross_crate.rs:23:15 | LL | unsafe { &static_cross_crate::ZERO[0] } | ^^^^^^^^^^^^^^^^^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static_cross_crate.rs:20:15 + --> $DIR/const_refers_to_static_cross_crate.rs:23:15 | LL | unsafe { &static_cross_crate::ZERO[0] } | ^^^^^^^^^^^^^^^^^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static_cross_crate.rs:20:15 + --> $DIR/const_refers_to_static_cross_crate.rs:23:15 | LL | unsafe { &static_cross_crate::ZERO[0] } | ^^^^^^^^^^^^^^^^^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static_cross_crate.rs:26:17 + --> $DIR/const_refers_to_static_cross_crate.rs:29:17 | LL | unsafe { &(*static_cross_crate::ZERO_REF)[0] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static_cross_crate.rs:34:20 + --> $DIR/const_refers_to_static_cross_crate.rs:37:20 | LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static_cross_crate.rs:34:20 + --> $DIR/const_refers_to_static_cross_crate.rs:37:20 | LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static_cross_crate.rs:34:20 + --> $DIR/const_refers_to_static_cross_crate.rs:37:20 | LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: skipping check for `const_panic` feature - --> $DIR/const_refers_to_static_cross_crate.rs:34:77 + --> $DIR/const_refers_to_static_cross_crate.rs:37:77 | LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } | ^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/const_refers_to_static_cross_crate.rs:34:20 + --> $DIR/const_refers_to_static_cross_crate.rs:37:20 | LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.64bit.stderr b/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.64bit.stderr new file mode 100644 index 000000000000..7228f7178ff8 --- /dev/null +++ b/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.64bit.stderr @@ -0,0 +1,184 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/const_refers_to_static_cross_crate.rs:12:1 + | +LL | / const SLICE_MUT: &[u8; 1] = { +LL | | +LL | | +LL | | +LL | | unsafe { &static_cross_crate::ZERO } +LL | | }; + | |__^ type validation failed: encountered a reference pointing to a static variable + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc0────────╼ │ ╾──────╼ + } + +error: could not evaluate constant pattern + --> $DIR/const_refers_to_static_cross_crate.rs:47:9 + | +LL | SLICE_MUT => true, + | ^^^^^^^^^ + +error[E0080]: it is undefined behavior to use this value + --> $DIR/const_refers_to_static_cross_crate.rs:19:1 + | +LL | / const U8_MUT: &u8 = { +LL | | +LL | | +LL | | +LL | | unsafe { &static_cross_crate::ZERO[0] } +LL | | }; + | |__^ type validation failed: encountered a reference pointing to a static variable + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc0────────╼ │ ╾──────╼ + } + +error: could not evaluate constant pattern + --> $DIR/const_refers_to_static_cross_crate.rs:56:9 + | +LL | U8_MUT => true, + | ^^^^^^ + +warning: any use of this value will cause an error + --> $DIR/const_refers_to_static_cross_crate.rs:29:15 + | +LL | / const U8_MUT2: &u8 = { +LL | | unsafe { &(*static_cross_crate::ZERO_REF)[0] } + | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constant accesses static +LL | | +LL | | +LL | | +LL | | +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/const_refers_to_static_cross_crate.rs:27:8 + | +LL | #[warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 + +error: could not evaluate constant pattern + --> $DIR/const_refers_to_static_cross_crate.rs:67:9 + | +LL | U8_MUT2 => true, + | ^^^^^^^ + +warning: any use of this value will cause an error + --> $DIR/const_refers_to_static_cross_crate.rs:37:51 + | +LL | / const U8_MUT3: &u8 = { +LL | | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } + | | ^^^^^^^^^^^ constant accesses static +LL | | +LL | | +... | +LL | | +LL | | }; + | |__- + | +note: the lint level is defined here + --> $DIR/const_refers_to_static_cross_crate.rs:35:8 + | +LL | #[warn(const_err)] + | ^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #71800 + +error: could not evaluate constant pattern + --> $DIR/const_refers_to_static_cross_crate.rs:75:9 + | +LL | U8_MUT3 => true, + | ^^^^^^^ + +error: could not evaluate constant pattern + --> $DIR/const_refers_to_static_cross_crate.rs:47:9 + | +LL | SLICE_MUT => true, + | ^^^^^^^^^ + +error: could not evaluate constant pattern + --> $DIR/const_refers_to_static_cross_crate.rs:56:9 + | +LL | U8_MUT => true, + | ^^^^^^ + +error: could not evaluate constant pattern + --> $DIR/const_refers_to_static_cross_crate.rs:67:9 + | +LL | U8_MUT2 => true, + | ^^^^^^^ + +error: could not evaluate constant pattern + --> $DIR/const_refers_to_static_cross_crate.rs:75:9 + | +LL | U8_MUT3 => true, + | ^^^^^^^ + +warning: skipping const checks + | +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static_cross_crate.rs:16:15 + | +LL | unsafe { &static_cross_crate::ZERO } + | ^^^^^^^^^^^^^^^^^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static_cross_crate.rs:16:15 + | +LL | unsafe { &static_cross_crate::ZERO } + | ^^^^^^^^^^^^^^^^^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static_cross_crate.rs:23:15 + | +LL | unsafe { &static_cross_crate::ZERO[0] } + | ^^^^^^^^^^^^^^^^^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static_cross_crate.rs:23:15 + | +LL | unsafe { &static_cross_crate::ZERO[0] } + | ^^^^^^^^^^^^^^^^^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static_cross_crate.rs:23:15 + | +LL | unsafe { &static_cross_crate::ZERO[0] } + | ^^^^^^^^^^^^^^^^^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static_cross_crate.rs:29:17 + | +LL | unsafe { &(*static_cross_crate::ZERO_REF)[0] } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static_cross_crate.rs:37:20 + | +LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static_cross_crate.rs:37:20 + | +LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static_cross_crate.rs:37:20 + | +LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: skipping check for `const_panic` feature + --> $DIR/const_refers_to_static_cross_crate.rs:37:77 + | +LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } + | ^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/const_refers_to_static_cross_crate.rs:37:20 + | +LL | unsafe { match static_cross_crate::OPT_ZERO { Some(ref u) => u, None => panic!() } } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 10 previous errors; 3 warnings emitted + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.rs b/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.rs index 7bbe9c87705a..53f70198f4ce 100644 --- a/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.rs +++ b/src/test/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.rs @@ -1,5 +1,6 @@ // compile-flags: -Zunleash-the-miri-inside-of-you // aux-build:static_cross_crate.rs +// stderr-per-bitwidth #![allow(const_err)] #![feature(exclusive_range_pattern, half_open_range_patterns)] @@ -10,13 +11,15 @@ extern crate static_cross_crate; // Allowing this would be a disaster for pattern matching, we could violate exhaustiveness checking! const SLICE_MUT: &[u8; 1] = { //~ ERROR undefined behavior to use this value //~| NOTE encountered a reference pointing to a static variable -//~| NOTE +//~| NOTE undefined behavior +//~| NOTE the raw bytes of the constant unsafe { &static_cross_crate::ZERO } }; const U8_MUT: &u8 = { //~ ERROR undefined behavior to use this value //~| NOTE encountered a reference pointing to a static variable -//~| NOTE +//~| NOTE undefined behavior +//~| NOTE the raw bytes of the constant unsafe { &static_cross_crate::ZERO[0] } }; diff --git a/src/test/ui/consts/miri_unleashed/mutable_references_err.stderr b/src/test/ui/consts/miri_unleashed/mutable_references_err.32bit.stderr similarity index 72% rename from src/test/ui/consts/miri_unleashed/mutable_references_err.stderr rename to src/test/ui/consts/miri_unleashed/mutable_references_err.32bit.stderr index 0c206dd51aaa..62126ef2babd 100644 --- a/src/test/ui/consts/miri_unleashed/mutable_references_err.stderr +++ b/src/test/ui/consts/miri_unleashed/mutable_references_err.32bit.stderr @@ -1,5 +1,5 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/mutable_references_err.rs:16:1 + --> $DIR/mutable_references_err.rs:17:1 | LL | / const MUH: Meh = Meh { LL | | x: &UnsafeCell::new(42), @@ -7,37 +7,46 @@ LL | | }; | |__^ type validation failed: encountered `UnsafeCell` in a `const` at .x. | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc2──╼ │ ╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/mutable_references_err.rs:26:1 + --> $DIR/mutable_references_err.rs:27:1 | LL | const SNEAKY: &dyn Sync = &Synced { x: UnsafeCell::new(42) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered `UnsafeCell` in a `const` at ...x | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + ╾─alloc6──╼ ╾─alloc7──╼ │ ╾──╼╾──╼ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/mutable_references_err.rs:30:1 + --> $DIR/mutable_references_err.rs:31:1 | LL | const BLUNT: &mut i32 = &mut 42; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered mutable reference in a `const` | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + ╾─alloc10─╼ │ ╾──╼ + } warning: skipping const checks | help: skipping check that does not even have a feature gate - --> $DIR/mutable_references_err.rs:17:8 + --> $DIR/mutable_references_err.rs:18:8 | LL | x: &UnsafeCell::new(42), | ^^^^^^^^^^^^^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/mutable_references_err.rs:26:27 + --> $DIR/mutable_references_err.rs:27:27 | LL | const SNEAKY: &dyn Sync = &Synced { x: UnsafeCell::new(42) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: skipping check that does not even have a feature gate - --> $DIR/mutable_references_err.rs:30:25 + --> $DIR/mutable_references_err.rs:31:25 | LL | const BLUNT: &mut i32 = &mut 42; | ^^^^^^^ diff --git a/src/test/ui/consts/miri_unleashed/mutable_references_err.64bit.stderr b/src/test/ui/consts/miri_unleashed/mutable_references_err.64bit.stderr new file mode 100644 index 000000000000..606184e57325 --- /dev/null +++ b/src/test/ui/consts/miri_unleashed/mutable_references_err.64bit.stderr @@ -0,0 +1,56 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/mutable_references_err.rs:17:1 + | +LL | / const MUH: Meh = Meh { +LL | | x: &UnsafeCell::new(42), +LL | | }; + | |__^ type validation failed: encountered `UnsafeCell` in a `const` at .x. + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc2────────╼ │ ╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/mutable_references_err.rs:27:1 + | +LL | const SNEAKY: &dyn Sync = &Synced { x: UnsafeCell::new(42) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered `UnsafeCell` in a `const` at ...x + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + ╾───────alloc6────────╼ ╾───────alloc7────────╼ │ ╾──────╼╾──────╼ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/mutable_references_err.rs:31:1 + | +LL | const BLUNT: &mut i32 = &mut 42; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered mutable reference in a `const` + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + ╾───────alloc10───────╼ │ ╾──────╼ + } + +warning: skipping const checks + | +help: skipping check that does not even have a feature gate + --> $DIR/mutable_references_err.rs:18:8 + | +LL | x: &UnsafeCell::new(42), + | ^^^^^^^^^^^^^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/mutable_references_err.rs:27:27 + | +LL | const SNEAKY: &dyn Sync = &Synced { x: UnsafeCell::new(42) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: skipping check that does not even have a feature gate + --> $DIR/mutable_references_err.rs:31:25 + | +LL | const BLUNT: &mut i32 = &mut 42; + | ^^^^^^^ + +error: aborting due to 3 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/miri_unleashed/mutable_references_err.rs b/src/test/ui/consts/miri_unleashed/mutable_references_err.rs index 195414dbad9a..722b9cf94e85 100644 --- a/src/test/ui/consts/miri_unleashed/mutable_references_err.rs +++ b/src/test/ui/consts/miri_unleashed/mutable_references_err.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth // compile-flags: -Zunleash-the-miri-inside-of-you #![allow(const_err)] diff --git a/src/test/ui/consts/offset_ub.rs b/src/test/ui/consts/offset_ub.rs index 4f943ed9ad19..7ce45ba9c4b2 100644 --- a/src/test/ui/consts/offset_ub.rs +++ b/src/test/ui/consts/offset_ub.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![feature(const_ptr_offset)] use std::ptr; diff --git a/src/test/ui/consts/offset_ub.stderr b/src/test/ui/consts/offset_ub.stderr index 5e8b7a8e0b69..082142fbbb77 100644 --- a/src/test/ui/consts/offset_ub.stderr +++ b/src/test/ui/consts/offset_ub.stderr @@ -6,9 +6,9 @@ LL | unsafe { intrinsics::offset(self, count) } | | | overflowing in-bounds pointer arithmetic | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | inside `BEFORE_START` at $DIR/offset_ub.rs:7:46 + | inside `BEFORE_START` at $DIR/offset_ub.rs:6:46 | - ::: $DIR/offset_ub.rs:7:1 + ::: $DIR/offset_ub.rs:6:1 | LL | pub const BEFORE_START: *const u8 = unsafe { (&0u8 as *const u8).offset(-1) }; | ------------------------------------------------------------------------------ @@ -25,9 +25,9 @@ LL | unsafe { intrinsics::offset(self, count) } | | | inbounds test failed: pointer must be in-bounds at offset 2, but is outside bounds of allocN which has size 1 | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | inside `AFTER_END` at $DIR/offset_ub.rs:8:43 + | inside `AFTER_END` at $DIR/offset_ub.rs:7:43 | - ::: $DIR/offset_ub.rs:8:1 + ::: $DIR/offset_ub.rs:7:1 | LL | pub const AFTER_END: *const u8 = unsafe { (&0u8 as *const u8).offset(2) }; | -------------------------------------------------------------------------- @@ -43,9 +43,9 @@ LL | unsafe { intrinsics::offset(self, count) } | | | inbounds test failed: pointer must be in-bounds at offset 101, but is outside bounds of allocN which has size 100 | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | inside `AFTER_ARRAY` at $DIR/offset_ub.rs:9:45 + | inside `AFTER_ARRAY` at $DIR/offset_ub.rs:8:45 | - ::: $DIR/offset_ub.rs:9:1 + ::: $DIR/offset_ub.rs:8:1 | LL | pub const AFTER_ARRAY: *const u8 = unsafe { [0u8; 100].as_ptr().offset(101) }; | ------------------------------------------------------------------------------ @@ -61,9 +61,9 @@ LL | unsafe { intrinsics::offset(self, count) } | | | overflowing in-bounds pointer arithmetic | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | inside `OVERFLOW` at $DIR/offset_ub.rs:11:43 + | inside `OVERFLOW` at $DIR/offset_ub.rs:10:43 | - ::: $DIR/offset_ub.rs:11:1 + ::: $DIR/offset_ub.rs:10:1 | LL | pub const OVERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize::MAX) }; | ---------------------------------------------------------------------------------- @@ -79,9 +79,9 @@ LL | unsafe { intrinsics::offset(self, count) } | | | overflowing in-bounds pointer arithmetic | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | inside `UNDERFLOW` at $DIR/offset_ub.rs:12:44 + | inside `UNDERFLOW` at $DIR/offset_ub.rs:11:44 | - ::: $DIR/offset_ub.rs:12:1 + ::: $DIR/offset_ub.rs:11:1 | LL | pub const UNDERFLOW: *const u16 = unsafe { [0u16; 1].as_ptr().offset(isize::MIN) }; | ----------------------------------------------------------------------------------- @@ -97,9 +97,9 @@ LL | unsafe { intrinsics::offset(self, count) } | | | overflowing in-bounds pointer arithmetic | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | inside `OVERFLOW_ADDRESS_SPACE` at $DIR/offset_ub.rs:13:56 + | inside `OVERFLOW_ADDRESS_SPACE` at $DIR/offset_ub.rs:12:56 | - ::: $DIR/offset_ub.rs:13:1 + ::: $DIR/offset_ub.rs:12:1 | LL | pub const OVERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (usize::MAX as *const u8).offset(2) }; | --------------------------------------------------------------------------------------------- @@ -115,9 +115,9 @@ LL | unsafe { intrinsics::offset(self, count) } | | | overflowing in-bounds pointer arithmetic | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | inside `UNDERFLOW_ADDRESS_SPACE` at $DIR/offset_ub.rs:14:57 + | inside `UNDERFLOW_ADDRESS_SPACE` at $DIR/offset_ub.rs:13:57 | - ::: $DIR/offset_ub.rs:14:1 + ::: $DIR/offset_ub.rs:13:1 | LL | pub const UNDERFLOW_ADDRESS_SPACE: *const u8 = unsafe { (1 as *const u8).offset(-2) }; | -------------------------------------------------------------------------------------- @@ -133,9 +133,9 @@ LL | unsafe { intrinsics::offset(self, count) } | | | inbounds test failed: pointer must be in-bounds at offset 1, but is outside bounds of allocN which has size 0 | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | inside `ZERO_SIZED_ALLOC` at $DIR/offset_ub.rs:16:50 + | inside `ZERO_SIZED_ALLOC` at $DIR/offset_ub.rs:15:50 | - ::: $DIR/offset_ub.rs:16:1 + ::: $DIR/offset_ub.rs:15:1 | LL | pub const ZERO_SIZED_ALLOC: *const u8 = unsafe { [0u8; 0].as_ptr().offset(1) }; | ------------------------------------------------------------------------------- @@ -151,9 +151,9 @@ LL | unsafe { intrinsics::offset(self, count) as *mut T } | | | unable to turn bytes into a pointer | inside `ptr::mut_ptr::::offset` at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL - | inside `DANGLING` at $DIR/offset_ub.rs:17:42 + | inside `DANGLING` at $DIR/offset_ub.rs:16:42 | - ::: $DIR/offset_ub.rs:17:1 + ::: $DIR/offset_ub.rs:16:1 | LL | pub const DANGLING: *const u8 = unsafe { ptr::NonNull::::dangling().as_ptr().offset(4) }; | --------------------------------------------------------------------------------------------- @@ -169,9 +169,9 @@ LL | unsafe { intrinsics::offset(self, count) } | | | inbounds test failed: 0x0 is not a valid pointer | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | inside `NULL_OFFSET_ZERO` at $DIR/offset_ub.rs:20:50 + | inside `NULL_OFFSET_ZERO` at $DIR/offset_ub.rs:19:50 | - ::: $DIR/offset_ub.rs:20:1 + ::: $DIR/offset_ub.rs:19:1 | LL | pub const NULL_OFFSET_ZERO: *const u8 = unsafe { ptr::null::().offset(0) }; | ------------------------------------------------------------------------------- @@ -187,9 +187,9 @@ LL | unsafe { intrinsics::offset(self, count) } | | | unable to turn bytes into a pointer | inside `ptr::const_ptr::::offset` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | inside `UNDERFLOW_ABS` at $DIR/offset_ub.rs:23:47 + | inside `UNDERFLOW_ABS` at $DIR/offset_ub.rs:22:47 | - ::: $DIR/offset_ub.rs:23:1 + ::: $DIR/offset_ub.rs:22:1 | LL | pub const UNDERFLOW_ABS: *const u8 = unsafe { (usize::MAX as *const u8).offset(isize::MIN) }; | --------------------------------------------------------------------------------------------- diff --git a/src/test/ui/consts/std/alloc.stderr b/src/test/ui/consts/std/alloc.32bit.stderr similarity index 79% rename from src/test/ui/consts/std/alloc.stderr rename to src/test/ui/consts/std/alloc.32bit.stderr index 26b7a24ebfa6..bb9ccbba3769 100644 --- a/src/test/ui/consts/std/alloc.stderr +++ b/src/test/ui/consts/std/alloc.32bit.stderr @@ -1,10 +1,13 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/alloc.rs:7:1 + --> $DIR/alloc.rs:8:1 | LL | const LAYOUT_INVALID: Layout = unsafe { Layout::from_size_align_unchecked(0x1000, 0x00) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0 at .align_, but expected something greater or equal to 1 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + 00 10 00 00 00 00 00 00 │ ........ + } error: aborting due to previous error diff --git a/src/test/ui/consts/std/alloc.64bit.stderr b/src/test/ui/consts/std/alloc.64bit.stderr new file mode 100644 index 000000000000..2c891b1d79c1 --- /dev/null +++ b/src/test/ui/consts/std/alloc.64bit.stderr @@ -0,0 +1,14 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/alloc.rs:8:1 + | +LL | const LAYOUT_INVALID: Layout = unsafe { Layout::from_size_align_unchecked(0x1000, 0x00) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered 0 at .align_, but expected something greater or equal to 1 + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ + } + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/std/alloc.rs b/src/test/ui/consts/std/alloc.rs index 65ac7e44926d..14eadc4487f9 100644 --- a/src/test/ui/consts/std/alloc.rs +++ b/src/test/ui/consts/std/alloc.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth use std::alloc::Layout; // ok diff --git a/src/test/ui/consts/validate_never_arrays.stderr b/src/test/ui/consts/validate_never_arrays.32bit.stderr similarity index 75% rename from src/test/ui/consts/validate_never_arrays.stderr rename to src/test/ui/consts/validate_never_arrays.32bit.stderr index 77f0a2ebd402..2d1bba391e82 100644 --- a/src/test/ui/consts/validate_never_arrays.stderr +++ b/src/test/ui/consts/validate_never_arrays.32bit.stderr @@ -1,26 +1,35 @@ error[E0080]: it is undefined behavior to use this value - --> $DIR/validate_never_arrays.rs:3:1 + --> $DIR/validate_never_arrays.rs:4:1 | LL | const _: &[!; 1] = unsafe { &*(1_usize as *const [!; 1]) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of the never type `!` at .[0] | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 4, align: 4) { + 01 00 00 00 │ .... + } error[E0080]: it is undefined behavior to use this value - --> $DIR/validate_never_arrays.rs:6:1 + --> $DIR/validate_never_arrays.rs:7:1 | LL | const _: &[!] = unsafe { &*(1_usize as *const [!; 1]) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of the never type `!` at .[0] | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + 01 00 00 00 01 00 00 00 │ ........ + } error[E0080]: it is undefined behavior to use this value - --> $DIR/validate_never_arrays.rs:7:1 + --> $DIR/validate_never_arrays.rs:8:1 | LL | const _: &[!] = unsafe { &*(1_usize as *const [!; 42]) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of the never type `!` at .[0] | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 4) { + 01 00 00 00 2a 00 00 00 │ ....*... + } error: aborting due to 3 previous errors diff --git a/src/test/ui/consts/validate_never_arrays.64bit.stderr b/src/test/ui/consts/validate_never_arrays.64bit.stderr new file mode 100644 index 000000000000..dd677f1b21ed --- /dev/null +++ b/src/test/ui/consts/validate_never_arrays.64bit.stderr @@ -0,0 +1,36 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/validate_never_arrays.rs:4:1 + | +LL | const _: &[!; 1] = unsafe { &*(1_usize as *const [!; 1]) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of the never type `!` at .[0] + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 8, align: 8) { + 01 00 00 00 00 00 00 00 │ ........ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/validate_never_arrays.rs:7:1 + | +LL | const _: &[!] = unsafe { &*(1_usize as *const [!; 1]) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of the never type `!` at .[0] + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 │ ................ + } + +error[E0080]: it is undefined behavior to use this value + --> $DIR/validate_never_arrays.rs:8:1 + | +LL | const _: &[!] = unsafe { &*(1_usize as *const [!; 42]) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a value of the never type `!` at .[0] + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: 16, align: 8) { + 01 00 00 00 00 00 00 00 2a 00 00 00 00 00 00 00 │ ........*....... + } + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0080`. diff --git a/src/test/ui/consts/validate_never_arrays.rs b/src/test/ui/consts/validate_never_arrays.rs index c7144f05ec7a..1990fb073970 100644 --- a/src/test/ui/consts/validate_never_arrays.rs +++ b/src/test/ui/consts/validate_never_arrays.rs @@ -1,3 +1,4 @@ +// stderr-per-bitwidth #![feature(const_raw_ptr_deref, never_type)] const _: &[!; 1] = unsafe { &*(1_usize as *const [!; 1]) }; //~ ERROR undefined behavior diff --git a/src/test/ui/copy-a-resource.stderr b/src/test/ui/copy-a-resource.stderr index 36cf57bd3c56..79095452f9d0 100644 --- a/src/test/ui/copy-a-resource.stderr +++ b/src/test/ui/copy-a-resource.stderr @@ -6,14 +6,6 @@ LL | struct Foo { ... LL | let _y = x.clone(); | ^^^^^ method not found in `Foo` - | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | ----- - | | - | the method is available for `Arc` here - | the method is available for `Rc` here | = help: items from traits can only be used if the trait is implemented and in scope = note: the following trait defines an item `clone`, perhaps you need to implement it: diff --git a/src/test/ui/dep-graph/dep-graph-assoc-type-codegen.rs b/src/test/ui/dep-graph/dep-graph-assoc-type-codegen.rs index 0d11d933af04..a0ee3ad31e69 100644 --- a/src/test/ui/dep-graph/dep-graph-assoc-type-codegen.rs +++ b/src/test/ui/dep-graph/dep-graph-assoc-type-codegen.rs @@ -1,7 +1,7 @@ // Test that when a trait impl changes, fns whose body uses that trait // must also be recompiled. -// compile-flags: -Z query-dep-graph +// compile-flags: -Z query-dep-graph -C incremental=tmp/dep-graph-assoc-type-codegen #![feature(rustc_attrs)] #![allow(warnings)] diff --git a/src/test/ui/dep-graph/dep-graph-caller-callee.rs b/src/test/ui/dep-graph/dep-graph-caller-callee.rs index b12c635d2e73..c95ea53650b4 100644 --- a/src/test/ui/dep-graph/dep-graph-caller-callee.rs +++ b/src/test/ui/dep-graph/dep-graph-caller-callee.rs @@ -1,7 +1,7 @@ // Test that immediate callers have to change when callee changes, but // not callers' callers. -// compile-flags: -Z query-dep-graph +// compile-flags: -Z query-dep-graph -C incremental=tmp/dep-graph-caller-callee #![feature(rustc_attrs)] #![allow(dead_code)] diff --git a/src/test/ui/dep-graph/dep-graph-struct-signature.rs b/src/test/ui/dep-graph/dep-graph-struct-signature.rs index 7ef6fac48c3a..50a670b87723 100644 --- a/src/test/ui/dep-graph/dep-graph-struct-signature.rs +++ b/src/test/ui/dep-graph/dep-graph-struct-signature.rs @@ -1,7 +1,7 @@ // Test cases where a changing struct appears in the signature of fns // and methods. -// compile-flags: -Z query-dep-graph +// compile-flags: -Z query-dep-graph -C incremental=tmp/dep-graph-struct-signature #![feature(rustc_attrs)] #![allow(dead_code)] diff --git a/src/test/ui/dep-graph/dep-graph-trait-impl-two-traits-same-method.rs b/src/test/ui/dep-graph/dep-graph-trait-impl-two-traits-same-method.rs index 1b3bf5a3933f..c0a6617316b8 100644 --- a/src/test/ui/dep-graph/dep-graph-trait-impl-two-traits-same-method.rs +++ b/src/test/ui/dep-graph/dep-graph-trait-impl-two-traits-same-method.rs @@ -1,7 +1,7 @@ // Test that adding an impl to a trait `Foo` DOES affect functions // that only use `Bar` if they have methods in common. -// compile-flags: -Z query-dep-graph +// compile-flags: -Z query-dep-graph -C incremental=tmp/dep-graph-trait-impl-two-traits-same-method #![feature(rustc_attrs)] #![allow(dead_code)] diff --git a/src/test/ui/dep-graph/dep-graph-trait-impl-two-traits.rs b/src/test/ui/dep-graph/dep-graph-trait-impl-two-traits.rs index ebfe8ccc3dfa..56e9762ddb26 100644 --- a/src/test/ui/dep-graph/dep-graph-trait-impl-two-traits.rs +++ b/src/test/ui/dep-graph/dep-graph-trait-impl-two-traits.rs @@ -1,7 +1,7 @@ // Test that adding an impl to a trait `Foo` does not affect functions // that only use `Bar`, so long as they do not have methods in common. -// compile-flags: -Z query-dep-graph +// compile-flags: -Z query-dep-graph -C incremental=tmp/dep-graph-trait-impl-two-traits #![feature(rustc_attrs)] #![allow(warnings)] diff --git a/src/test/ui/dep-graph/dep-graph-trait-impl.rs b/src/test/ui/dep-graph/dep-graph-trait-impl.rs index 9dd201e2a1fb..3bbe3e745ca6 100644 --- a/src/test/ui/dep-graph/dep-graph-trait-impl.rs +++ b/src/test/ui/dep-graph/dep-graph-trait-impl.rs @@ -1,7 +1,7 @@ // Test that when a trait impl changes, fns whose body uses that trait // must also be recompiled. -// compile-flags: -Z query-dep-graph +// compile-flags: -Z query-dep-graph -C incremental=tmp/dep-graph-trait-impl #![feature(rustc_attrs)] #![allow(warnings)] diff --git a/src/test/ui/dep-graph/dep-graph-type-alias.rs b/src/test/ui/dep-graph/dep-graph-type-alias.rs index c9151ce79c5f..5c5e24693a4f 100644 --- a/src/test/ui/dep-graph/dep-graph-type-alias.rs +++ b/src/test/ui/dep-graph/dep-graph-type-alias.rs @@ -1,6 +1,6 @@ // Test that changing what a `type` points to does not go unnoticed. -// compile-flags: -Z query-dep-graph +// compile-flags: -Z query-dep-graph -C incremental=tmp/dep-graph-type-alias #![feature(rustc_attrs)] #![allow(dead_code)] diff --git a/src/test/ui/dep-graph/dep-graph-variance-alias.rs b/src/test/ui/dep-graph/dep-graph-variance-alias.rs index 927ea5597783..6cc1f44104a0 100644 --- a/src/test/ui/dep-graph/dep-graph-variance-alias.rs +++ b/src/test/ui/dep-graph/dep-graph-variance-alias.rs @@ -1,7 +1,7 @@ // Test that changing what a `type` points to does not go unnoticed // by the variance analysis. -// compile-flags: -Z query-dep-graph +// compile-flags: -Z query-dep-graph -C incremental=tmp/dep-graph-variance-alias #![feature(rustc_attrs)] #![allow(dead_code)] diff --git a/src/test/ui/deprecation/deprecation-lint.rs b/src/test/ui/deprecation/deprecation-lint.rs index 560e29688864..b6c791c15fd2 100644 --- a/src/test/ui/deprecation/deprecation-lint.rs +++ b/src/test/ui/deprecation/deprecation-lint.rs @@ -1,5 +1,4 @@ // aux-build:deprecation-lint.rs -// ignore-tidy-linelength #![deny(deprecated)] #![allow(warnings)] diff --git a/src/test/ui/deprecation/deprecation-lint.stderr b/src/test/ui/deprecation/deprecation-lint.stderr index 12c76f0f4a5d..959cf93bac05 100644 --- a/src/test/ui/deprecation/deprecation-lint.stderr +++ b/src/test/ui/deprecation/deprecation-lint.stderr @@ -1,737 +1,737 @@ error: use of deprecated function `deprecation_lint::deprecated`: text - --> $DIR/deprecation-lint.rs:17:9 + --> $DIR/deprecation-lint.rs:16:9 | LL | deprecated(); | ^^^^^^^^^^ | note: the lint level is defined here - --> $DIR/deprecation-lint.rs:4:9 + --> $DIR/deprecation-lint.rs:3:9 | LL | #![deny(deprecated)] | ^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:22:9 + --> $DIR/deprecation-lint.rs:21:9 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:24:9 + --> $DIR/deprecation-lint.rs:23:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated function `deprecation_lint::deprecated_text`: text - --> $DIR/deprecation-lint.rs:26:9 + --> $DIR/deprecation-lint.rs:25:9 | LL | deprecated_text(); | ^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:31:9 + --> $DIR/deprecation-lint.rs:30:9 | LL | ... Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:33:9 + --> $DIR/deprecation-lint.rs:32:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::DeprecatedStruct`: text - --> $DIR/deprecation-lint.rs:35:17 + --> $DIR/deprecation-lint.rs:34:17 | LL | let _ = DeprecatedStruct { | ^^^^^^^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::DeprecatedUnitStruct`: text - --> $DIR/deprecation-lint.rs:39:17 + --> $DIR/deprecation-lint.rs:38:17 | LL | let _ = DeprecatedUnitStruct; | ^^^^^^^^^^^^^^^^^^^^ error: use of deprecated variant `deprecation_lint::Enum::DeprecatedVariant`: text - --> $DIR/deprecation-lint.rs:41:17 + --> $DIR/deprecation-lint.rs:40:17 | LL | let _ = Enum::DeprecatedVariant; | ^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::DeprecatedTupleStruct`: text - --> $DIR/deprecation-lint.rs:43:17 + --> $DIR/deprecation-lint.rs:42:17 | LL | let _ = DeprecatedTupleStruct (1); | ^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::nested::DeprecatedStruct`: text - --> $DIR/deprecation-lint.rs:45:17 + --> $DIR/deprecation-lint.rs:44:17 | LL | let _ = nested::DeprecatedStruct { | ^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::nested::DeprecatedUnitStruct`: text - --> $DIR/deprecation-lint.rs:49:17 + --> $DIR/deprecation-lint.rs:48:17 | LL | let _ = nested::DeprecatedUnitStruct; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated variant `deprecation_lint::nested::Enum::DeprecatedVariant`: text - --> $DIR/deprecation-lint.rs:51:17 + --> $DIR/deprecation-lint.rs:50:17 | LL | ... let _ = nested::Enum::DeprecatedVariant; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::nested::DeprecatedTupleStruct`: text - --> $DIR/deprecation-lint.rs:53:17 + --> $DIR/deprecation-lint.rs:52:17 | LL | ... let _ = nested::DeprecatedTupleStruct (1); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated function `deprecation_lint::deprecated_text`: text - --> $DIR/deprecation-lint.rs:60:25 + --> $DIR/deprecation-lint.rs:59:25 | LL | macro_test_arg!(deprecated_text()); | ^^^^^^^^^^^^^^^ error: use of deprecated function `deprecation_lint::deprecated_text`: text - --> $DIR/deprecation-lint.rs:61:41 + --> $DIR/deprecation-lint.rs:60:41 | LL | macro_test_arg!(macro_test_arg!(deprecated_text())); | ^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:66:9 + --> $DIR/deprecation-lint.rs:65:9 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:68:9 + --> $DIR/deprecation-lint.rs:67:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:70:9 + --> $DIR/deprecation-lint.rs:69:9 | LL | ... Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:72:9 + --> $DIR/deprecation-lint.rs:71:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated trait `deprecation_lint::DeprecatedTrait`: text - --> $DIR/deprecation-lint.rs:82:10 + --> $DIR/deprecation-lint.rs:81:10 | LL | impl DeprecatedTrait for S {} | ^^^^^^^^^^^^^^^ error: use of deprecated trait `deprecation_lint::DeprecatedTrait`: text - --> $DIR/deprecation-lint.rs:83:24 + --> $DIR/deprecation-lint.rs:82:24 | LL | trait LocalTrait : DeprecatedTrait { } | ^^^^^^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::Deprecated`: text - --> $DIR/deprecation-lint.rs:114:17 + --> $DIR/deprecation-lint.rs:113:17 | LL | let x = Deprecated { | ^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::Deprecated`: text - --> $DIR/deprecation-lint.rs:123:13 + --> $DIR/deprecation-lint.rs:122:13 | LL | let Deprecated { | ^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::Deprecated`: text - --> $DIR/deprecation-lint.rs:129:13 + --> $DIR/deprecation-lint.rs:128:13 | LL | let Deprecated | ^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::Deprecated2`: text - --> $DIR/deprecation-lint.rs:133:17 + --> $DIR/deprecation-lint.rs:132:17 | LL | let x = Deprecated2(1, 2, 3); | ^^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::Deprecated2`: text - --> $DIR/deprecation-lint.rs:143:13 + --> $DIR/deprecation-lint.rs:142:13 | LL | let Deprecated2 | ^^^^^^^^^^^ error: use of deprecated struct `deprecation_lint::Deprecated2`: text - --> $DIR/deprecation-lint.rs:152:13 + --> $DIR/deprecation-lint.rs:151:13 | LL | let Deprecated2 | ^^^^^^^^^^^ error: use of deprecated function `deprecation_lint::deprecated_mod::deprecated`: text - --> $DIR/deprecation-lint.rs:163:9 + --> $DIR/deprecation-lint.rs:162:9 | LL | deprecated_mod::deprecated(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated function `this_crate::deprecated`: text - --> $DIR/deprecation-lint.rs:246:9 + --> $DIR/deprecation-lint.rs:245:9 | LL | deprecated(); | ^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:251:9 + --> $DIR/deprecation-lint.rs:250:9 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:253:9 + --> $DIR/deprecation-lint.rs:252:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated function `this_crate::deprecated_text`: text - --> $DIR/deprecation-lint.rs:255:9 + --> $DIR/deprecation-lint.rs:254:9 | LL | deprecated_text(); | ^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:260:9 + --> $DIR/deprecation-lint.rs:259:9 | LL | Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:262:9 + --> $DIR/deprecation-lint.rs:261:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated function `this_crate::deprecated_future`: text - --> $DIR/deprecation-lint.rs:265:9 + --> $DIR/deprecation-lint.rs:264:9 | LL | deprecated_future(); | ^^^^^^^^^^^^^^^^^ error: use of deprecated function `this_crate::deprecated_future_text`: text - --> $DIR/deprecation-lint.rs:266:9 + --> $DIR/deprecation-lint.rs:265:9 | LL | deprecated_future_text(); | ^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated struct `this_crate::DeprecatedStruct`: text - --> $DIR/deprecation-lint.rs:268:17 + --> $DIR/deprecation-lint.rs:267:17 | LL | let _ = DeprecatedStruct { | ^^^^^^^^^^^^^^^^ error: use of deprecated unit struct `this_crate::DeprecatedUnitStruct`: text - --> $DIR/deprecation-lint.rs:273:17 + --> $DIR/deprecation-lint.rs:272:17 | LL | let _ = DeprecatedUnitStruct; | ^^^^^^^^^^^^^^^^^^^^ error: use of deprecated unit variant `this_crate::Enum::DeprecatedVariant`: text - --> $DIR/deprecation-lint.rs:275:17 + --> $DIR/deprecation-lint.rs:274:17 | LL | let _ = Enum::DeprecatedVariant; | ^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated tuple struct `this_crate::DeprecatedTupleStruct`: text - --> $DIR/deprecation-lint.rs:277:17 + --> $DIR/deprecation-lint.rs:276:17 | LL | let _ = DeprecatedTupleStruct (1); | ^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated struct `this_crate::nested::DeprecatedStruct`: text - --> $DIR/deprecation-lint.rs:279:17 + --> $DIR/deprecation-lint.rs:278:17 | LL | let _ = nested::DeprecatedStruct { | ^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated unit struct `this_crate::nested::DeprecatedUnitStruct`: text - --> $DIR/deprecation-lint.rs:284:17 + --> $DIR/deprecation-lint.rs:283:17 | LL | let _ = nested::DeprecatedUnitStruct; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated unit variant `this_crate::nested::Enum::DeprecatedVariant`: text - --> $DIR/deprecation-lint.rs:286:17 + --> $DIR/deprecation-lint.rs:285:17 | LL | ... let _ = nested::Enum::DeprecatedVariant; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated tuple struct `this_crate::nested::DeprecatedTupleStruct`: text - --> $DIR/deprecation-lint.rs:288:17 + --> $DIR/deprecation-lint.rs:287:17 | LL | ... let _ = nested::DeprecatedTupleStruct (1); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:293:9 + --> $DIR/deprecation-lint.rs:292:9 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:295:9 + --> $DIR/deprecation-lint.rs:294:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:297:9 + --> $DIR/deprecation-lint.rs:296:9 | LL | Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:299:9 + --> $DIR/deprecation-lint.rs:298:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated function `this_crate::test_fn_closure_body::{closure#0}::bar` - --> $DIR/deprecation-lint.rs:317:13 + --> $DIR/deprecation-lint.rs:316:13 | LL | bar(); | ^^^ error: use of deprecated trait `this_crate::DeprecatedTrait`: text - --> $DIR/deprecation-lint.rs:336:10 + --> $DIR/deprecation-lint.rs:335:10 | LL | impl DeprecatedTrait for S { } | ^^^^^^^^^^^^^^^ error: use of deprecated trait `this_crate::DeprecatedTrait`: text - --> $DIR/deprecation-lint.rs:338:24 + --> $DIR/deprecation-lint.rs:337:24 | LL | trait LocalTrait : DeprecatedTrait { } | ^^^^^^^^^^^^^^^ error: use of deprecated struct `this_crate2::Deprecated`: text - --> $DIR/deprecation-lint.rs:390:17 + --> $DIR/deprecation-lint.rs:389:17 | LL | let x = Deprecated { | ^^^^^^^^^^ error: use of deprecated struct `this_crate2::Deprecated`: text - --> $DIR/deprecation-lint.rs:399:13 + --> $DIR/deprecation-lint.rs:398:13 | LL | let Deprecated { | ^^^^^^^^^^ error: use of deprecated struct `this_crate2::Deprecated`: text - --> $DIR/deprecation-lint.rs:405:13 + --> $DIR/deprecation-lint.rs:404:13 | LL | let Deprecated | ^^^^^^^^^^ error: use of deprecated tuple struct `this_crate2::Deprecated2`: text - --> $DIR/deprecation-lint.rs:410:17 + --> $DIR/deprecation-lint.rs:409:17 | LL | let x = Deprecated2(1, 2, 3); | ^^^^^^^^^^^ error: use of deprecated tuple struct `this_crate2::Deprecated2`: text - --> $DIR/deprecation-lint.rs:420:13 + --> $DIR/deprecation-lint.rs:419:13 | LL | let Deprecated2 | ^^^^^^^^^^^ error: use of deprecated tuple struct `this_crate2::Deprecated2`: text - --> $DIR/deprecation-lint.rs:429:13 + --> $DIR/deprecation-lint.rs:428:13 | LL | let Deprecated2 | ^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated`: text - --> $DIR/deprecation-lint.rs:18:13 + --> $DIR/deprecation-lint.rs:17:13 | LL | foo.method_deprecated(); | ^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated`: text - --> $DIR/deprecation-lint.rs:19:9 + --> $DIR/deprecation-lint.rs:18:9 | LL | Foo::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated`: text - --> $DIR/deprecation-lint.rs:20:9 + --> $DIR/deprecation-lint.rs:19:9 | LL | ::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:21:13 + --> $DIR/deprecation-lint.rs:20:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:23:9 + --> $DIR/deprecation-lint.rs:22:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated_text`: text - --> $DIR/deprecation-lint.rs:27:13 + --> $DIR/deprecation-lint.rs:26:13 | LL | ... foo.method_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated_text`: text - --> $DIR/deprecation-lint.rs:28:9 + --> $DIR/deprecation-lint.rs:27:9 | LL | ... Foo::method_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated_text`: text - --> $DIR/deprecation-lint.rs:29:9 + --> $DIR/deprecation-lint.rs:28:9 | LL | ... ::method_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:30:13 + --> $DIR/deprecation-lint.rs:29:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:32:9 + --> $DIR/deprecation-lint.rs:31:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated field `deprecation_lint::DeprecatedStruct::i`: text - --> $DIR/deprecation-lint.rs:36:13 + --> $DIR/deprecation-lint.rs:35:13 | LL | i: 0 | ^^^^ error: use of deprecated field `deprecation_lint::nested::DeprecatedStruct::i`: text - --> $DIR/deprecation-lint.rs:46:13 + --> $DIR/deprecation-lint.rs:45:13 | LL | i: 0 | ^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:65:13 + --> $DIR/deprecation-lint.rs:64:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:67:9 + --> $DIR/deprecation-lint.rs:66:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:69:13 + --> $DIR/deprecation-lint.rs:68:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:71:9 + --> $DIR/deprecation-lint.rs:70:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:76:13 + --> $DIR/deprecation-lint.rs:75:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:77:13 + --> $DIR/deprecation-lint.rs:76:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated field `deprecation_lint::Stable::override2`: text - --> $DIR/deprecation-lint.rs:87:13 + --> $DIR/deprecation-lint.rs:86:13 | LL | override2: 3, | ^^^^^^^^^^^^ error: use of deprecated field `deprecation_lint::Stable::override2`: text - --> $DIR/deprecation-lint.rs:91:17 + --> $DIR/deprecation-lint.rs:90:17 | LL | let _ = x.override2; | ^^^^^^^^^^^ error: use of deprecated field `deprecation_lint::Stable::override2`: text - --> $DIR/deprecation-lint.rs:95:13 + --> $DIR/deprecation-lint.rs:94:13 | LL | override2: _ | ^^^^^^^^^^^^ error: use of deprecated field `deprecation_lint::Stable2::2`: text - --> $DIR/deprecation-lint.rs:103:17 + --> $DIR/deprecation-lint.rs:102:17 | LL | let _ = x.2; | ^^^ error: use of deprecated field `deprecation_lint::Stable2::2`: text - --> $DIR/deprecation-lint.rs:108:20 + --> $DIR/deprecation-lint.rs:107:20 | LL | _) | ^ error: use of deprecated field `deprecation_lint::Deprecated::inherit`: text - --> $DIR/deprecation-lint.rs:116:13 + --> $DIR/deprecation-lint.rs:115:13 | LL | inherit: 1, | ^^^^^^^^^^ error: use of deprecated field `deprecation_lint::Deprecated::inherit`: text - --> $DIR/deprecation-lint.rs:120:17 + --> $DIR/deprecation-lint.rs:119:17 | LL | let _ = x.inherit; | ^^^^^^^^^ error: use of deprecated field `deprecation_lint::Deprecated::inherit`: text - --> $DIR/deprecation-lint.rs:125:13 + --> $DIR/deprecation-lint.rs:124:13 | LL | inherit: _, | ^^^^^^^^^^ error: use of deprecated field `deprecation_lint::Deprecated2::0`: text - --> $DIR/deprecation-lint.rs:136:17 + --> $DIR/deprecation-lint.rs:135:17 | LL | let _ = x.0; | ^^^ error: use of deprecated field `deprecation_lint::Deprecated2::1`: text - --> $DIR/deprecation-lint.rs:138:17 + --> $DIR/deprecation-lint.rs:137:17 | LL | let _ = x.1; | ^^^ error: use of deprecated field `deprecation_lint::Deprecated2::2`: text - --> $DIR/deprecation-lint.rs:140:17 + --> $DIR/deprecation-lint.rs:139:17 | LL | let _ = x.2; | ^^^ error: use of deprecated field `deprecation_lint::Deprecated2::0`: text - --> $DIR/deprecation-lint.rs:145:14 + --> $DIR/deprecation-lint.rs:144:14 | LL | (_, | ^ error: use of deprecated field `deprecation_lint::Deprecated2::1`: text - --> $DIR/deprecation-lint.rs:147:14 + --> $DIR/deprecation-lint.rs:146:14 | LL | _, | ^ error: use of deprecated field `deprecation_lint::Deprecated2::2`: text - --> $DIR/deprecation-lint.rs:149:14 + --> $DIR/deprecation-lint.rs:148:14 | LL | _) | ^ error: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text - --> $DIR/deprecation-lint.rs:247:13 + --> $DIR/deprecation-lint.rs:246:13 | LL | foo.method_deprecated(); | ^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text - --> $DIR/deprecation-lint.rs:248:9 + --> $DIR/deprecation-lint.rs:247:9 | LL | Foo::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text - --> $DIR/deprecation-lint.rs:249:9 + --> $DIR/deprecation-lint.rs:248:9 | LL | ::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:250:13 + --> $DIR/deprecation-lint.rs:249:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:252:9 + --> $DIR/deprecation-lint.rs:251:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - --> $DIR/deprecation-lint.rs:256:13 + --> $DIR/deprecation-lint.rs:255:13 | LL | ... foo.method_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - --> $DIR/deprecation-lint.rs:257:9 + --> $DIR/deprecation-lint.rs:256:9 | LL | ... Foo::method_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - --> $DIR/deprecation-lint.rs:258:9 + --> $DIR/deprecation-lint.rs:257:9 | LL | ... ::method_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:259:13 + --> $DIR/deprecation-lint.rs:258:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:261:9 + --> $DIR/deprecation-lint.rs:260:9 | LL | ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated field `this_crate::DeprecatedStruct::i`: text - --> $DIR/deprecation-lint.rs:270:13 + --> $DIR/deprecation-lint.rs:269:13 | LL | i: 0 | ^^^^ error: use of deprecated field `this_crate::nested::DeprecatedStruct::i`: text - --> $DIR/deprecation-lint.rs:281:13 + --> $DIR/deprecation-lint.rs:280:13 | LL | i: 0 | ^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:292:13 + --> $DIR/deprecation-lint.rs:291:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:294:9 + --> $DIR/deprecation-lint.rs:293:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:296:13 + --> $DIR/deprecation-lint.rs:295:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:298:9 + --> $DIR/deprecation-lint.rs:297:9 | LL | ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/deprecation-lint.rs:303:13 + --> $DIR/deprecation-lint.rs:302:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/deprecation-lint.rs:304:13 + --> $DIR/deprecation-lint.rs:303:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated field `this_crate2::Stable::override2`: text - --> $DIR/deprecation-lint.rs:363:13 + --> $DIR/deprecation-lint.rs:362:13 | LL | override2: 3, | ^^^^^^^^^^^^ error: use of deprecated field `this_crate2::Stable::override2`: text - --> $DIR/deprecation-lint.rs:367:17 + --> $DIR/deprecation-lint.rs:366:17 | LL | let _ = x.override2; | ^^^^^^^^^^^ error: use of deprecated field `this_crate2::Stable::override2`: text - --> $DIR/deprecation-lint.rs:371:13 + --> $DIR/deprecation-lint.rs:370:13 | LL | override2: _ | ^^^^^^^^^^^^ error: use of deprecated field `this_crate2::Stable2::2`: text - --> $DIR/deprecation-lint.rs:379:17 + --> $DIR/deprecation-lint.rs:378:17 | LL | let _ = x.2; | ^^^ error: use of deprecated field `this_crate2::Stable2::2`: text - --> $DIR/deprecation-lint.rs:384:20 + --> $DIR/deprecation-lint.rs:383:20 | LL | _) | ^ error: use of deprecated field `this_crate2::Deprecated::inherit`: text - --> $DIR/deprecation-lint.rs:392:13 + --> $DIR/deprecation-lint.rs:391:13 | LL | inherit: 1, | ^^^^^^^^^^ error: use of deprecated field `this_crate2::Deprecated::inherit`: text - --> $DIR/deprecation-lint.rs:396:17 + --> $DIR/deprecation-lint.rs:395:17 | LL | let _ = x.inherit; | ^^^^^^^^^ error: use of deprecated field `this_crate2::Deprecated::inherit`: text - --> $DIR/deprecation-lint.rs:401:13 + --> $DIR/deprecation-lint.rs:400:13 | LL | inherit: _, | ^^^^^^^^^^ error: use of deprecated field `this_crate2::Deprecated2::0`: text - --> $DIR/deprecation-lint.rs:413:17 + --> $DIR/deprecation-lint.rs:412:17 | LL | let _ = x.0; | ^^^ error: use of deprecated field `this_crate2::Deprecated2::1`: text - --> $DIR/deprecation-lint.rs:415:17 + --> $DIR/deprecation-lint.rs:414:17 | LL | let _ = x.1; | ^^^ error: use of deprecated field `this_crate2::Deprecated2::2`: text - --> $DIR/deprecation-lint.rs:417:17 + --> $DIR/deprecation-lint.rs:416:17 | LL | let _ = x.2; | ^^^ error: use of deprecated field `this_crate2::Deprecated2::0`: text - --> $DIR/deprecation-lint.rs:422:14 + --> $DIR/deprecation-lint.rs:421:14 | LL | (_, | ^ error: use of deprecated field `this_crate2::Deprecated2::1`: text - --> $DIR/deprecation-lint.rs:424:14 + --> $DIR/deprecation-lint.rs:423:14 | LL | _, | ^ error: use of deprecated field `this_crate2::Deprecated2::2`: text - --> $DIR/deprecation-lint.rs:426:14 + --> $DIR/deprecation-lint.rs:425:14 | LL | _) | ^ diff --git a/src/test/ui/deprecation/rustc_deprecation-in-future.rs b/src/test/ui/deprecation/rustc_deprecation-in-future.rs index 11f7960b7578..3715f8eb2252 100644 --- a/src/test/ui/deprecation/rustc_deprecation-in-future.rs +++ b/src/test/ui/deprecation/rustc_deprecation-in-future.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![deny(deprecated_in_future)] #![feature(staged_api)] diff --git a/src/test/ui/deprecation/rustc_deprecation-in-future.stderr b/src/test/ui/deprecation/rustc_deprecation-in-future.stderr index b5a7dd3c28da..1c3339a8a9dc 100644 --- a/src/test/ui/deprecation/rustc_deprecation-in-future.stderr +++ b/src/test/ui/deprecation/rustc_deprecation-in-future.stderr @@ -1,17 +1,17 @@ error: use of unit struct `S1` that will be deprecated in future version 99.99.99: effectively never - --> $DIR/rustc_deprecation-in-future.rs:18:13 + --> $DIR/rustc_deprecation-in-future.rs:16:13 | LL | let _ = S1; | ^^ | note: the lint level is defined here - --> $DIR/rustc_deprecation-in-future.rs:3:9 + --> $DIR/rustc_deprecation-in-future.rs:1:9 | LL | #![deny(deprecated_in_future)] | ^^^^^^^^^^^^^^^^^^^^ error: use of unit struct `S2` that will be deprecated in a future Rust version: literally never - --> $DIR/rustc_deprecation-in-future.rs:19:13 + --> $DIR/rustc_deprecation-in-future.rs:17:13 | LL | let _ = S2; | ^^ diff --git a/src/test/ui/deref-suggestion.rs b/src/test/ui/deref-suggestion.rs index 580410aecf4f..4fd695585ba0 100644 --- a/src/test/ui/deref-suggestion.rs +++ b/src/test/ui/deref-suggestion.rs @@ -45,4 +45,30 @@ fn main() { //~^ ERROR mismatched types let r = R { i: i }; //~^ ERROR mismatched types + + + let a = &1; + let b = &2; + let val: i32 = if true { + a + 1 + } else { + b + //~^ ERROR mismatched types + }; + let val: i32 = if true { + let _ = 2; + a + 1 + } else { + let _ = 2; + b + //~^ ERROR mismatched types + }; + let val = if true { + *a + } else if true { + //~^ ERROR incompatible types + b + } else { + &0 + }; } diff --git a/src/test/ui/deref-suggestion.stderr b/src/test/ui/deref-suggestion.stderr index f59f05db9c04..632a279d7962 100644 --- a/src/test/ui/deref-suggestion.stderr +++ b/src/test/ui/deref-suggestion.stderr @@ -89,6 +89,43 @@ LL | let r = R { i: i }; | expected `u32`, found `&{integer}` | help: consider dereferencing the borrow: `*i` -error: aborting due to 10 previous errors +error[E0308]: mismatched types + --> $DIR/deref-suggestion.rs:55:9 + | +LL | b + | ^ + | | + | expected `i32`, found `&{integer}` + | help: consider dereferencing the borrow: `*b` + +error[E0308]: mismatched types + --> $DIR/deref-suggestion.rs:63:9 + | +LL | b + | ^ + | | + | expected `i32`, found `&{integer}` + | help: consider dereferencing the borrow: `*b` + +error[E0308]: `if` and `else` have incompatible types + --> $DIR/deref-suggestion.rs:68:12 + | +LL | let val = if true { + | _______________- +LL | | *a + | | -- expected because of this +LL | | } else if true { + | |____________^ +LL | || +LL | || b +LL | || } else { +LL | || &0 +LL | || }; + | || ^ + | ||_____| + | |______`if` and `else` have incompatible types + | expected `i32`, found `&{integer}` + +error: aborting due to 13 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/derives/derive-assoc-type-not-impl.stderr b/src/test/ui/derives/derive-assoc-type-not-impl.stderr index ffee7004f8f8..fd993d0f9d88 100644 --- a/src/test/ui/derives/derive-assoc-type-not-impl.stderr +++ b/src/test/ui/derives/derive-assoc-type-not-impl.stderr @@ -12,14 +12,6 @@ LL | struct NotClone; ... LL | Bar:: { x: 1 }.clone(); | ^^^^^ method cannot be called on `Bar` due to unsatisfied trait bounds - | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | ----- - | | - | the method is available for `Arc>` here - | the method is available for `Rc>` here | = note: the following trait bounds were not satisfied: `NotClone: Clone` diff --git a/src/test/ui/did_you_mean/recursion_limit.stderr b/src/test/ui/did_you_mean/recursion_limit.stderr index c5b42416eac4..2d52172a6fa5 100644 --- a/src/test/ui/did_you_mean/recursion_limit.stderr +++ b/src/test/ui/did_you_mean/recursion_limit.stderr @@ -8,16 +8,56 @@ LL | is_send::(); | ^^^^^^^^^^^^ | = help: consider adding a `#![recursion_limit="20"]` attribute to your crate (`recursion_limit`) - = note: required because it appears within the type `J` - = note: required because it appears within the type `I` - = note: required because it appears within the type `H` - = note: required because it appears within the type `G` - = note: required because it appears within the type `F` - = note: required because it appears within the type `E` - = note: required because it appears within the type `D` - = note: required because it appears within the type `C` - = note: required because it appears within the type `B` - = note: required because it appears within the type `A` +note: required because it appears within the type `J` + --> $DIR/recursion_limit.rs:24:9 + | +LL | link! { J, K } + | ^ +note: required because it appears within the type `I` + --> $DIR/recursion_limit.rs:23:9 + | +LL | link! { I, J } + | ^ +note: required because it appears within the type `H` + --> $DIR/recursion_limit.rs:22:9 + | +LL | link! { H, I } + | ^ +note: required because it appears within the type `G` + --> $DIR/recursion_limit.rs:21:9 + | +LL | link! { G, H } + | ^ +note: required because it appears within the type `F` + --> $DIR/recursion_limit.rs:20:9 + | +LL | link! { F, G } + | ^ +note: required because it appears within the type `E` + --> $DIR/recursion_limit.rs:19:9 + | +LL | link! { E, F } + | ^ +note: required because it appears within the type `D` + --> $DIR/recursion_limit.rs:18:9 + | +LL | link! { D, E } + | ^ +note: required because it appears within the type `C` + --> $DIR/recursion_limit.rs:17:9 + | +LL | link! { C, D } + | ^ +note: required because it appears within the type `B` + --> $DIR/recursion_limit.rs:16:9 + | +LL | link! { B, C } + | ^ +note: required because it appears within the type `A` + --> $DIR/recursion_limit.rs:15:9 + | +LL | link! { A, B } + | ^ error: aborting due to previous error diff --git a/src/test/ui/dst/dst-bad-deep.stderr b/src/test/ui/dst/dst-bad-deep.stderr index ea6b2390478b..71e57b3e062b 100644 --- a/src/test/ui/dst/dst-bad-deep.stderr +++ b/src/test/ui/dst/dst-bad-deep.stderr @@ -5,8 +5,16 @@ LL | let h: &Fat> = &Fat { ptr: *g }; | ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: within `Fat>`, the trait `Sized` is not implemented for `[isize]` - = note: required because it appears within the type `Fat<[isize]>` - = note: required because it appears within the type `Fat>` +note: required because it appears within the type `Fat<[isize]>` + --> $DIR/dst-bad-deep.rs:6:8 + | +LL | struct Fat { + | ^^^ +note: required because it appears within the type `Fat>` + --> $DIR/dst-bad-deep.rs:6:8 + | +LL | struct Fat { + | ^^^ = note: structs must have a statically known size to be initialized error: aborting due to previous error diff --git a/src/test/ui/dst/dst-object-from-unsized-type.stderr b/src/test/ui/dst/dst-object-from-unsized-type.stderr index 49940112a9f6..2d12265df98e 100644 --- a/src/test/ui/dst/dst-object-from-unsized-type.stderr +++ b/src/test/ui/dst/dst-object-from-unsized-type.stderr @@ -2,7 +2,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim --> $DIR/dst-object-from-unsized-type.rs:8:23 | LL | fn test1(t: &T) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | let u: &dyn Foo = t; | ^ doesn't have a size known at compile-time | @@ -12,7 +12,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim --> $DIR/dst-object-from-unsized-type.rs:13:23 | LL | fn test2(t: &T) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | let v: &dyn Foo = t as &dyn Foo; | ^ doesn't have a size known at compile-time | diff --git a/src/test/ui/error-codes/E0063.rs b/src/test/ui/error-codes/E0063.rs index 58527cc0c5dd..48c9c13f018f 100644 --- a/src/test/ui/error-codes/E0063.rs +++ b/src/test/ui/error-codes/E0063.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - struct SingleFoo { x: i32 } diff --git a/src/test/ui/error-codes/E0063.stderr b/src/test/ui/error-codes/E0063.stderr index 5dc4927071b6..235e204025ae 100644 --- a/src/test/ui/error-codes/E0063.stderr +++ b/src/test/ui/error-codes/E0063.stderr @@ -1,23 +1,23 @@ error[E0063]: missing field `x` in initializer of `SingleFoo` - --> $DIR/E0063.rs:32:13 + --> $DIR/E0063.rs:30:13 | LL | let w = SingleFoo { }; | ^^^^^^^^^ missing `x` error[E0063]: missing fields `y` and `z` in initializer of `PluralFoo` - --> $DIR/E0063.rs:34:13 + --> $DIR/E0063.rs:32:13 | LL | let x = PluralFoo {x: 1}; | ^^^^^^^^^ missing `y` and `z` error[E0063]: missing fields `a`, `b`, `y` and 1 other field in initializer of `TruncatedFoo` - --> $DIR/E0063.rs:36:13 + --> $DIR/E0063.rs:34:13 | LL | let y = TruncatedFoo{x:1}; | ^^^^^^^^^^^^ missing `a`, `b`, `y` and 1 other field error[E0063]: missing fields `a`, `b`, `c` and 2 other fields in initializer of `TruncatedPluralFoo` - --> $DIR/E0063.rs:38:13 + --> $DIR/E0063.rs:36:13 | LL | let z = TruncatedPluralFoo{x:1}; | ^^^^^^^^^^^^^^^^^^ missing `a`, `b`, `c` and 2 other fields diff --git a/src/test/ui/error-codes/E0119.stderr b/src/test/ui/error-codes/E0119.stderr index e7690aa30bd2..e08a2c7fcbbd 100644 --- a/src/test/ui/error-codes/E0119.stderr +++ b/src/test/ui/error-codes/E0119.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait` for type `Foo`: +error[E0119]: conflicting implementations of trait `MyTrait` for type `Foo` --> $DIR/E0119.rs:13:1 | LL | impl MyTrait for T { diff --git a/src/test/ui/error-codes/E0275.stderr b/src/test/ui/error-codes/E0275.stderr index 46966f22b6d1..390c1e3e8ea4 100644 --- a/src/test/ui/error-codes/E0275.stderr +++ b/src/test/ui/error-codes/E0275.stderr @@ -8,7 +8,11 @@ LL | impl Foo for T where Bar: Foo {} | ^^^ | = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`E0275`) - = note: required because of the requirements on the impl of `Foo` for `Bar>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` +note: required because of the requirements on the impl of `Foo` for `Bar>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` + --> $DIR/E0275.rs:5:9 + | +LL | impl Foo for T where Bar: Foo {} + | ^^^ ^ = note: 127 redundant requirements hidden = note: required because of the requirements on the impl of `Foo` for `Bar` diff --git a/src/test/ui/error-codes/E0277-2.stderr b/src/test/ui/error-codes/E0277-2.stderr index a0ab1641ca7c..afd0e032dc3b 100644 --- a/src/test/ui/error-codes/E0277-2.stderr +++ b/src/test/ui/error-codes/E0277-2.stderr @@ -8,9 +8,21 @@ LL | is_send::(); | ^^^^^^^^^^^^^^ `*const u8` cannot be sent between threads safely | = help: within `Foo`, the trait `Send` is not implemented for `*const u8` - = note: required because it appears within the type `Baz` - = note: required because it appears within the type `Bar` - = note: required because it appears within the type `Foo` +note: required because it appears within the type `Baz` + --> $DIR/E0277-2.rs:9:8 + | +LL | struct Baz { + | ^^^ +note: required because it appears within the type `Bar` + --> $DIR/E0277-2.rs:5:8 + | +LL | struct Bar { + | ^^^ +note: required because it appears within the type `Foo` + --> $DIR/E0277-2.rs:1:8 + | +LL | struct Foo { + | ^^^ error: aborting due to previous error diff --git a/src/test/ui/error-codes/E0565.rs b/src/test/ui/error-codes/E0565.rs index 3bf428676105..df76f6b13af9 100644 --- a/src/test/ui/error-codes/E0565.rs +++ b/src/test/ui/error-codes/E0565.rs @@ -1,6 +1,5 @@ // repr currently doesn't support literals #[repr("C")] //~ ERROR E0565 - //~| ERROR E0565 -struct A { } +struct A {} -fn main() { } +fn main() {} diff --git a/src/test/ui/error-codes/E0565.stderr b/src/test/ui/error-codes/E0565.stderr index aa0951528e1e..6ed90c0ae4ff 100644 --- a/src/test/ui/error-codes/E0565.stderr +++ b/src/test/ui/error-codes/E0565.stderr @@ -4,12 +4,6 @@ error[E0565]: meta item in `repr` must be an identifier LL | #[repr("C")] | ^^^ -error[E0565]: meta item in `repr` must be an identifier - --> $DIR/E0565.rs:2:8 - | -LL | #[repr("C")] - | ^^^ - -error: aborting due to 2 previous errors +error: aborting due to previous error For more information about this error, try `rustc --explain E0565`. diff --git a/src/test/ui/error-codes/e0119/complex-impl.stderr b/src/test/ui/error-codes/e0119/complex-impl.stderr index d617d8129248..04babb064471 100644 --- a/src/test/ui/error-codes/e0119/complex-impl.stderr +++ b/src/test/ui/error-codes/e0119/complex-impl.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `complex_impl_support::External` for type `(Q, complex_impl_support::M<'_, '_, '_, std::boxed::Box<_>, _, _>)`: +error[E0119]: conflicting implementations of trait `complex_impl_support::External` for type `(Q, complex_impl_support::M<'_, '_, '_, std::boxed::Box<_>, _, _>)` --> $DIR/complex-impl.rs:9:1 | LL | impl External for (Q, R) {} diff --git a/src/test/ui/error-codes/e0119/conflict-with-std.stderr b/src/test/ui/error-codes/e0119/conflict-with-std.stderr index 68551f437759..3ff96a6a4d65 100644 --- a/src/test/ui/error-codes/e0119/conflict-with-std.stderr +++ b/src/test/ui/error-codes/e0119/conflict-with-std.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::convert::AsRef` for type `std::boxed::Box`: +error[E0119]: conflicting implementations of trait `std::convert::AsRef` for type `std::boxed::Box` --> $DIR/conflict-with-std.rs:5:1 | LL | impl AsRef for Box { @@ -8,7 +8,7 @@ LL | impl AsRef for Box { - impl AsRef for Box where A: Allocator, T: ?Sized; -error[E0119]: conflicting implementations of trait `std::convert::From` for type `S`: +error[E0119]: conflicting implementations of trait `std::convert::From` for type `S` --> $DIR/conflict-with-std.rs:12:1 | LL | impl From for S { @@ -17,7 +17,7 @@ LL | impl From for S { = note: conflicting implementation in crate `core`: - impl From for T; -error[E0119]: conflicting implementations of trait `std::convert::TryFrom` for type `X`: +error[E0119]: conflicting implementations of trait `std::convert::TryFrom` for type `X` --> $DIR/conflict-with-std.rs:19:1 | LL | impl TryFrom for X { diff --git a/src/test/ui/error-codes/e0119/issue-23563.stderr b/src/test/ui/error-codes/e0119/issue-23563.stderr index 912a80fec755..f149cef587f2 100644 --- a/src/test/ui/error-codes/e0119/issue-23563.stderr +++ b/src/test/ui/error-codes/e0119/issue-23563.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `a::LolFrom<&[_]>` for type `LocalType<_>`: +error[E0119]: conflicting implementations of trait `a::LolFrom<&[_]>` for type `LocalType<_>` --> $DIR/issue-23563.rs:13:1 | LL | impl<'a, T> LolFrom<&'a [T]> for LocalType { diff --git a/src/test/ui/error-codes/e0119/issue-27403.stderr b/src/test/ui/error-codes/e0119/issue-27403.stderr index ea74c9b21bd4..c11a50487479 100644 --- a/src/test/ui/error-codes/e0119/issue-27403.stderr +++ b/src/test/ui/error-codes/e0119/issue-27403.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::convert::Into<_>` for type `GenX<_>`: +error[E0119]: conflicting implementations of trait `std::convert::Into<_>` for type `GenX<_>` --> $DIR/issue-27403.rs:5:1 | LL | impl Into for GenX { diff --git a/src/test/ui/error-codes/e0119/issue-28981.stderr b/src/test/ui/error-codes/e0119/issue-28981.stderr index e12dd7623310..56e8e1eb5400 100644 --- a/src/test/ui/error-codes/e0119/issue-28981.stderr +++ b/src/test/ui/error-codes/e0119/issue-28981.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::ops::Deref` for type `&_`: +error[E0119]: conflicting implementations of trait `std::ops::Deref` for type `&_` --> $DIR/issue-28981.rs:5:1 | LL | impl Deref for Foo { } diff --git a/src/test/ui/error-codes/e0119/so-37347311.stderr b/src/test/ui/error-codes/e0119/so-37347311.stderr index a9fbd0fee498..f1c2b0d29742 100644 --- a/src/test/ui/error-codes/e0119/so-37347311.stderr +++ b/src/test/ui/error-codes/e0119/so-37347311.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::convert::From>` for type `MyError<_>`: +error[E0119]: conflicting implementations of trait `std::convert::From>` for type `MyError<_>` --> $DIR/so-37347311.rs:11:1 | LL | impl From for MyError { diff --git a/src/test/ui/export-fully-qualified.rs b/src/test/ui/export-fully-qualified.rs index 40f26c7095f1..4e73a2c54888 100644 --- a/src/test/ui/export-fully-qualified.rs +++ b/src/test/ui/export-fully-qualified.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // In this test baz isn't resolved when called as foo.baz even though // it's called from inside foo. This is somewhat surprising and may // want to change eventually. diff --git a/src/test/ui/export-fully-qualified.stderr b/src/test/ui/export-fully-qualified.stderr index a8af0c7c9b82..7ee352e1232a 100644 --- a/src/test/ui/export-fully-qualified.stderr +++ b/src/test/ui/export-fully-qualified.stderr @@ -1,5 +1,5 @@ error[E0433]: failed to resolve: use of undeclared crate or module `foo` - --> $DIR/export-fully-qualified.rs:8:20 + --> $DIR/export-fully-qualified.rs:6:20 | LL | pub fn bar() { foo::baz(); } | ^^^ use of undeclared crate or module `foo` diff --git a/src/test/ui/extern/extern-types-unsized.stderr b/src/test/ui/extern/extern-types-unsized.stderr index 278db4565572..72e4be51822e 100644 --- a/src/test/ui/extern/extern-types-unsized.stderr +++ b/src/test/ui/extern/extern-types-unsized.stderr @@ -23,7 +23,11 @@ LL | assert_sized::(); | ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: within `Foo`, the trait `Sized` is not implemented for `A` - = note: required because it appears within the type `Foo` +note: required because it appears within the type `Foo` + --> $DIR/extern-types-unsized.rs:9:8 + | +LL | struct Foo { + | ^^^ help: consider relaxing the implicit `Sized` restriction | LL | fn assert_sized() {} @@ -39,7 +43,11 @@ LL | assert_sized::>(); | ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: within `Bar`, the trait `Sized` is not implemented for `A` - = note: required because it appears within the type `Bar` +note: required because it appears within the type `Bar` + --> $DIR/extern-types-unsized.rs:14:8 + | +LL | struct Bar { + | ^^^ help: consider relaxing the implicit `Sized` restriction | LL | fn assert_sized() {} @@ -55,8 +63,16 @@ LL | assert_sized::>>(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: within `Bar>`, the trait `Sized` is not implemented for `A` - = note: required because it appears within the type `Bar` - = note: required because it appears within the type `Bar>` +note: required because it appears within the type `Bar` + --> $DIR/extern-types-unsized.rs:14:8 + | +LL | struct Bar { + | ^^^ +note: required because it appears within the type `Bar>` + --> $DIR/extern-types-unsized.rs:14:8 + | +LL | struct Bar { + | ^^^ help: consider relaxing the implicit `Sized` restriction | LL | fn assert_sized() {} diff --git a/src/test/ui/feature-gates/feature-gate-abi.rs b/src/test/ui/feature-gates/feature-gate-abi.rs index 31f09cc61f9a..3883106a3af9 100644 --- a/src/test/ui/feature-gates/feature-gate-abi.rs +++ b/src/test/ui/feature-gates/feature-gate-abi.rs @@ -1,5 +1,4 @@ // only-x86_64 -// ignore-tidy-linelength // gate-test-intrinsics // gate-test-platform_intrinsics // gate-test-abi_vectorcall diff --git a/src/test/ui/feature-gates/feature-gate-abi.stderr b/src/test/ui/feature-gates/feature-gate-abi.stderr index 25f0c259d111..eeeb349c6627 100644 --- a/src/test/ui/feature-gates/feature-gate-abi.stderr +++ b/src/test/ui/feature-gates/feature-gate-abi.stderr @@ -1,5 +1,5 @@ error[E0658]: intrinsics are subject to change - --> $DIR/feature-gate-abi.rs:13:8 + --> $DIR/feature-gate-abi.rs:12:8 | LL | extern "rust-intrinsic" fn f1() {} | ^^^^^^^^^^^^^^^^ @@ -7,7 +7,7 @@ LL | extern "rust-intrinsic" fn f1() {} = help: add `#![feature(intrinsics)]` to the crate attributes to enable error[E0658]: platform intrinsics are experimental and possibly buggy - --> $DIR/feature-gate-abi.rs:15:8 + --> $DIR/feature-gate-abi.rs:14:8 | LL | extern "platform-intrinsic" fn f2() {} | ^^^^^^^^^^^^^^^^^^^^ @@ -16,7 +16,7 @@ LL | extern "platform-intrinsic" fn f2() {} = help: add `#![feature(platform_intrinsics)]` to the crate attributes to enable error[E0658]: vectorcall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:17:8 + --> $DIR/feature-gate-abi.rs:16:8 | LL | extern "vectorcall" fn f3() {} | ^^^^^^^^^^^^ @@ -24,7 +24,7 @@ LL | extern "vectorcall" fn f3() {} = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable error[E0658]: rust-call ABI is subject to change - --> $DIR/feature-gate-abi.rs:18:8 + --> $DIR/feature-gate-abi.rs:17:8 | LL | extern "rust-call" fn f4(_: ()) {} | ^^^^^^^^^^^ @@ -33,7 +33,7 @@ LL | extern "rust-call" fn f4(_: ()) {} = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: msp430-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:19:8 + --> $DIR/feature-gate-abi.rs:18:8 | LL | extern "msp430-interrupt" fn f5() {} | ^^^^^^^^^^^^^^^^^^ @@ -42,7 +42,7 @@ LL | extern "msp430-interrupt" fn f5() {} = help: add `#![feature(abi_msp430_interrupt)]` to the crate attributes to enable error[E0658]: PTX ABIs are experimental and subject to change - --> $DIR/feature-gate-abi.rs:20:8 + --> $DIR/feature-gate-abi.rs:19:8 | LL | extern "ptx-kernel" fn f6() {} | ^^^^^^^^^^^^ @@ -51,7 +51,7 @@ LL | extern "ptx-kernel" fn f6() {} = help: add `#![feature(abi_ptx)]` to the crate attributes to enable error[E0658]: x86-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:21:8 + --> $DIR/feature-gate-abi.rs:20:8 | LL | extern "x86-interrupt" fn f7() {} | ^^^^^^^^^^^^^^^ @@ -60,7 +60,7 @@ LL | extern "x86-interrupt" fn f7() {} = help: add `#![feature(abi_x86_interrupt)]` to the crate attributes to enable error[E0658]: thiscall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:22:8 + --> $DIR/feature-gate-abi.rs:21:8 | LL | extern "thiscall" fn f8() {} | ^^^^^^^^^^ @@ -68,7 +68,7 @@ LL | extern "thiscall" fn f8() {} = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable error[E0658]: amdgpu-kernel ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:23:8 + --> $DIR/feature-gate-abi.rs:22:8 | LL | extern "amdgpu-kernel" fn f9() {} | ^^^^^^^^^^^^^^^ @@ -77,7 +77,7 @@ LL | extern "amdgpu-kernel" fn f9() {} = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable error[E0658]: efiapi ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:24:8 + --> $DIR/feature-gate-abi.rs:23:8 | LL | extern "efiapi" fn f10() {} | ^^^^^^^^ @@ -86,7 +86,7 @@ LL | extern "efiapi" fn f10() {} = help: add `#![feature(abi_efiapi)]` to the crate attributes to enable error[E0658]: intrinsics are subject to change - --> $DIR/feature-gate-abi.rs:28:12 + --> $DIR/feature-gate-abi.rs:27:12 | LL | extern "rust-intrinsic" fn m1(); | ^^^^^^^^^^^^^^^^ @@ -94,7 +94,7 @@ LL | extern "rust-intrinsic" fn m1(); = help: add `#![feature(intrinsics)]` to the crate attributes to enable error[E0658]: platform intrinsics are experimental and possibly buggy - --> $DIR/feature-gate-abi.rs:30:12 + --> $DIR/feature-gate-abi.rs:29:12 | LL | extern "platform-intrinsic" fn m2(); | ^^^^^^^^^^^^^^^^^^^^ @@ -103,7 +103,7 @@ LL | extern "platform-intrinsic" fn m2(); = help: add `#![feature(platform_intrinsics)]` to the crate attributes to enable error[E0658]: vectorcall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:32:12 + --> $DIR/feature-gate-abi.rs:31:12 | LL | extern "vectorcall" fn m3(); | ^^^^^^^^^^^^ @@ -111,7 +111,7 @@ LL | extern "vectorcall" fn m3(); = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable error[E0658]: rust-call ABI is subject to change - --> $DIR/feature-gate-abi.rs:33:12 + --> $DIR/feature-gate-abi.rs:32:12 | LL | extern "rust-call" fn m4(_: ()); | ^^^^^^^^^^^ @@ -120,7 +120,7 @@ LL | extern "rust-call" fn m4(_: ()); = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: msp430-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:34:12 + --> $DIR/feature-gate-abi.rs:33:12 | LL | extern "msp430-interrupt" fn m5(); | ^^^^^^^^^^^^^^^^^^ @@ -129,7 +129,7 @@ LL | extern "msp430-interrupt" fn m5(); = help: add `#![feature(abi_msp430_interrupt)]` to the crate attributes to enable error[E0658]: PTX ABIs are experimental and subject to change - --> $DIR/feature-gate-abi.rs:35:12 + --> $DIR/feature-gate-abi.rs:34:12 | LL | extern "ptx-kernel" fn m6(); | ^^^^^^^^^^^^ @@ -138,7 +138,7 @@ LL | extern "ptx-kernel" fn m6(); = help: add `#![feature(abi_ptx)]` to the crate attributes to enable error[E0658]: x86-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:36:12 + --> $DIR/feature-gate-abi.rs:35:12 | LL | extern "x86-interrupt" fn m7(); | ^^^^^^^^^^^^^^^ @@ -147,7 +147,7 @@ LL | extern "x86-interrupt" fn m7(); = help: add `#![feature(abi_x86_interrupt)]` to the crate attributes to enable error[E0658]: thiscall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:37:12 + --> $DIR/feature-gate-abi.rs:36:12 | LL | extern "thiscall" fn m8(); | ^^^^^^^^^^ @@ -155,7 +155,7 @@ LL | extern "thiscall" fn m8(); = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable error[E0658]: amdgpu-kernel ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:38:12 + --> $DIR/feature-gate-abi.rs:37:12 | LL | extern "amdgpu-kernel" fn m9(); | ^^^^^^^^^^^^^^^ @@ -164,7 +164,7 @@ LL | extern "amdgpu-kernel" fn m9(); = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable error[E0658]: efiapi ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:39:12 + --> $DIR/feature-gate-abi.rs:38:12 | LL | extern "efiapi" fn m10(); | ^^^^^^^^ @@ -173,7 +173,7 @@ LL | extern "efiapi" fn m10(); = help: add `#![feature(abi_efiapi)]` to the crate attributes to enable error[E0658]: vectorcall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:41:12 + --> $DIR/feature-gate-abi.rs:40:12 | LL | extern "vectorcall" fn dm3() {} | ^^^^^^^^^^^^ @@ -181,7 +181,7 @@ LL | extern "vectorcall" fn dm3() {} = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable error[E0658]: rust-call ABI is subject to change - --> $DIR/feature-gate-abi.rs:42:12 + --> $DIR/feature-gate-abi.rs:41:12 | LL | extern "rust-call" fn dm4(_: ()) {} | ^^^^^^^^^^^ @@ -190,7 +190,7 @@ LL | extern "rust-call" fn dm4(_: ()) {} = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: msp430-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:43:12 + --> $DIR/feature-gate-abi.rs:42:12 | LL | extern "msp430-interrupt" fn dm5() {} | ^^^^^^^^^^^^^^^^^^ @@ -199,7 +199,7 @@ LL | extern "msp430-interrupt" fn dm5() {} = help: add `#![feature(abi_msp430_interrupt)]` to the crate attributes to enable error[E0658]: PTX ABIs are experimental and subject to change - --> $DIR/feature-gate-abi.rs:44:12 + --> $DIR/feature-gate-abi.rs:43:12 | LL | extern "ptx-kernel" fn dm6() {} | ^^^^^^^^^^^^ @@ -208,7 +208,7 @@ LL | extern "ptx-kernel" fn dm6() {} = help: add `#![feature(abi_ptx)]` to the crate attributes to enable error[E0658]: x86-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:45:12 + --> $DIR/feature-gate-abi.rs:44:12 | LL | extern "x86-interrupt" fn dm7() {} | ^^^^^^^^^^^^^^^ @@ -217,7 +217,7 @@ LL | extern "x86-interrupt" fn dm7() {} = help: add `#![feature(abi_x86_interrupt)]` to the crate attributes to enable error[E0658]: thiscall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:46:12 + --> $DIR/feature-gate-abi.rs:45:12 | LL | extern "thiscall" fn dm8() {} | ^^^^^^^^^^ @@ -225,7 +225,7 @@ LL | extern "thiscall" fn dm8() {} = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable error[E0658]: amdgpu-kernel ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:47:12 + --> $DIR/feature-gate-abi.rs:46:12 | LL | extern "amdgpu-kernel" fn dm9() {} | ^^^^^^^^^^^^^^^ @@ -234,7 +234,7 @@ LL | extern "amdgpu-kernel" fn dm9() {} = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable error[E0658]: efiapi ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:48:12 + --> $DIR/feature-gate-abi.rs:47:12 | LL | extern "efiapi" fn dm10() {} | ^^^^^^^^ @@ -243,7 +243,7 @@ LL | extern "efiapi" fn dm10() {} = help: add `#![feature(abi_efiapi)]` to the crate attributes to enable error[E0658]: intrinsics are subject to change - --> $DIR/feature-gate-abi.rs:55:12 + --> $DIR/feature-gate-abi.rs:54:12 | LL | extern "rust-intrinsic" fn m1() {} | ^^^^^^^^^^^^^^^^ @@ -251,7 +251,7 @@ LL | extern "rust-intrinsic" fn m1() {} = help: add `#![feature(intrinsics)]` to the crate attributes to enable error[E0658]: platform intrinsics are experimental and possibly buggy - --> $DIR/feature-gate-abi.rs:57:12 + --> $DIR/feature-gate-abi.rs:56:12 | LL | extern "platform-intrinsic" fn m2() {} | ^^^^^^^^^^^^^^^^^^^^ @@ -260,7 +260,7 @@ LL | extern "platform-intrinsic" fn m2() {} = help: add `#![feature(platform_intrinsics)]` to the crate attributes to enable error[E0658]: vectorcall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:59:12 + --> $DIR/feature-gate-abi.rs:58:12 | LL | extern "vectorcall" fn m3() {} | ^^^^^^^^^^^^ @@ -268,7 +268,7 @@ LL | extern "vectorcall" fn m3() {} = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable error[E0658]: rust-call ABI is subject to change - --> $DIR/feature-gate-abi.rs:60:12 + --> $DIR/feature-gate-abi.rs:59:12 | LL | extern "rust-call" fn m4(_: ()) {} | ^^^^^^^^^^^ @@ -277,7 +277,7 @@ LL | extern "rust-call" fn m4(_: ()) {} = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: msp430-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:61:12 + --> $DIR/feature-gate-abi.rs:60:12 | LL | extern "msp430-interrupt" fn m5() {} | ^^^^^^^^^^^^^^^^^^ @@ -286,7 +286,7 @@ LL | extern "msp430-interrupt" fn m5() {} = help: add `#![feature(abi_msp430_interrupt)]` to the crate attributes to enable error[E0658]: PTX ABIs are experimental and subject to change - --> $DIR/feature-gate-abi.rs:62:12 + --> $DIR/feature-gate-abi.rs:61:12 | LL | extern "ptx-kernel" fn m6() {} | ^^^^^^^^^^^^ @@ -295,7 +295,7 @@ LL | extern "ptx-kernel" fn m6() {} = help: add `#![feature(abi_ptx)]` to the crate attributes to enable error[E0658]: x86-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:63:12 + --> $DIR/feature-gate-abi.rs:62:12 | LL | extern "x86-interrupt" fn m7() {} | ^^^^^^^^^^^^^^^ @@ -304,7 +304,7 @@ LL | extern "x86-interrupt" fn m7() {} = help: add `#![feature(abi_x86_interrupt)]` to the crate attributes to enable error[E0658]: thiscall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:64:12 + --> $DIR/feature-gate-abi.rs:63:12 | LL | extern "thiscall" fn m8() {} | ^^^^^^^^^^ @@ -312,7 +312,7 @@ LL | extern "thiscall" fn m8() {} = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable error[E0658]: amdgpu-kernel ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:65:12 + --> $DIR/feature-gate-abi.rs:64:12 | LL | extern "amdgpu-kernel" fn m9() {} | ^^^^^^^^^^^^^^^ @@ -321,7 +321,7 @@ LL | extern "amdgpu-kernel" fn m9() {} = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable error[E0658]: efiapi ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:66:12 + --> $DIR/feature-gate-abi.rs:65:12 | LL | extern "efiapi" fn m10() {} | ^^^^^^^^ @@ -330,7 +330,7 @@ LL | extern "efiapi" fn m10() {} = help: add `#![feature(abi_efiapi)]` to the crate attributes to enable error[E0658]: intrinsics are subject to change - --> $DIR/feature-gate-abi.rs:71:12 + --> $DIR/feature-gate-abi.rs:70:12 | LL | extern "rust-intrinsic" fn im1() {} | ^^^^^^^^^^^^^^^^ @@ -338,7 +338,7 @@ LL | extern "rust-intrinsic" fn im1() {} = help: add `#![feature(intrinsics)]` to the crate attributes to enable error[E0658]: platform intrinsics are experimental and possibly buggy - --> $DIR/feature-gate-abi.rs:73:12 + --> $DIR/feature-gate-abi.rs:72:12 | LL | extern "platform-intrinsic" fn im2() {} | ^^^^^^^^^^^^^^^^^^^^ @@ -347,7 +347,7 @@ LL | extern "platform-intrinsic" fn im2() {} = help: add `#![feature(platform_intrinsics)]` to the crate attributes to enable error[E0658]: vectorcall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:75:12 + --> $DIR/feature-gate-abi.rs:74:12 | LL | extern "vectorcall" fn im3() {} | ^^^^^^^^^^^^ @@ -355,7 +355,7 @@ LL | extern "vectorcall" fn im3() {} = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable error[E0658]: rust-call ABI is subject to change - --> $DIR/feature-gate-abi.rs:76:12 + --> $DIR/feature-gate-abi.rs:75:12 | LL | extern "rust-call" fn im4(_: ()) {} | ^^^^^^^^^^^ @@ -364,7 +364,7 @@ LL | extern "rust-call" fn im4(_: ()) {} = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: msp430-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:77:12 + --> $DIR/feature-gate-abi.rs:76:12 | LL | extern "msp430-interrupt" fn im5() {} | ^^^^^^^^^^^^^^^^^^ @@ -373,7 +373,7 @@ LL | extern "msp430-interrupt" fn im5() {} = help: add `#![feature(abi_msp430_interrupt)]` to the crate attributes to enable error[E0658]: PTX ABIs are experimental and subject to change - --> $DIR/feature-gate-abi.rs:78:12 + --> $DIR/feature-gate-abi.rs:77:12 | LL | extern "ptx-kernel" fn im6() {} | ^^^^^^^^^^^^ @@ -382,7 +382,7 @@ LL | extern "ptx-kernel" fn im6() {} = help: add `#![feature(abi_ptx)]` to the crate attributes to enable error[E0658]: x86-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:79:12 + --> $DIR/feature-gate-abi.rs:78:12 | LL | extern "x86-interrupt" fn im7() {} | ^^^^^^^^^^^^^^^ @@ -391,7 +391,7 @@ LL | extern "x86-interrupt" fn im7() {} = help: add `#![feature(abi_x86_interrupt)]` to the crate attributes to enable error[E0658]: thiscall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:80:12 + --> $DIR/feature-gate-abi.rs:79:12 | LL | extern "thiscall" fn im8() {} | ^^^^^^^^^^ @@ -399,7 +399,7 @@ LL | extern "thiscall" fn im8() {} = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable error[E0658]: amdgpu-kernel ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:81:12 + --> $DIR/feature-gate-abi.rs:80:12 | LL | extern "amdgpu-kernel" fn im9() {} | ^^^^^^^^^^^^^^^ @@ -408,7 +408,7 @@ LL | extern "amdgpu-kernel" fn im9() {} = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable error[E0658]: efiapi ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:82:12 + --> $DIR/feature-gate-abi.rs:81:12 | LL | extern "efiapi" fn im10() {} | ^^^^^^^^ @@ -417,7 +417,7 @@ LL | extern "efiapi" fn im10() {} = help: add `#![feature(abi_efiapi)]` to the crate attributes to enable error[E0658]: intrinsics are subject to change - --> $DIR/feature-gate-abi.rs:86:18 + --> $DIR/feature-gate-abi.rs:85:18 | LL | type A1 = extern "rust-intrinsic" fn(); | ^^^^^^^^^^^^^^^^ @@ -425,7 +425,7 @@ LL | type A1 = extern "rust-intrinsic" fn(); = help: add `#![feature(intrinsics)]` to the crate attributes to enable error[E0658]: platform intrinsics are experimental and possibly buggy - --> $DIR/feature-gate-abi.rs:87:18 + --> $DIR/feature-gate-abi.rs:86:18 | LL | type A2 = extern "platform-intrinsic" fn(); | ^^^^^^^^^^^^^^^^^^^^ @@ -434,7 +434,7 @@ LL | type A2 = extern "platform-intrinsic" fn(); = help: add `#![feature(platform_intrinsics)]` to the crate attributes to enable error[E0658]: vectorcall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:88:18 + --> $DIR/feature-gate-abi.rs:87:18 | LL | type A3 = extern "vectorcall" fn(); | ^^^^^^^^^^^^ @@ -442,7 +442,7 @@ LL | type A3 = extern "vectorcall" fn(); = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable error[E0658]: rust-call ABI is subject to change - --> $DIR/feature-gate-abi.rs:89:18 + --> $DIR/feature-gate-abi.rs:88:18 | LL | type A4 = extern "rust-call" fn(_: ()); | ^^^^^^^^^^^ @@ -451,7 +451,7 @@ LL | type A4 = extern "rust-call" fn(_: ()); = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: msp430-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:90:18 + --> $DIR/feature-gate-abi.rs:89:18 | LL | type A5 = extern "msp430-interrupt" fn(); | ^^^^^^^^^^^^^^^^^^ @@ -460,7 +460,7 @@ LL | type A5 = extern "msp430-interrupt" fn(); = help: add `#![feature(abi_msp430_interrupt)]` to the crate attributes to enable error[E0658]: PTX ABIs are experimental and subject to change - --> $DIR/feature-gate-abi.rs:91:18 + --> $DIR/feature-gate-abi.rs:90:18 | LL | type A6 = extern "ptx-kernel" fn (); | ^^^^^^^^^^^^ @@ -469,7 +469,7 @@ LL | type A6 = extern "ptx-kernel" fn (); = help: add `#![feature(abi_ptx)]` to the crate attributes to enable error[E0658]: x86-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:92:18 + --> $DIR/feature-gate-abi.rs:91:18 | LL | type A7 = extern "x86-interrupt" fn(); | ^^^^^^^^^^^^^^^ @@ -478,7 +478,7 @@ LL | type A7 = extern "x86-interrupt" fn(); = help: add `#![feature(abi_x86_interrupt)]` to the crate attributes to enable error[E0658]: thiscall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:93:18 + --> $DIR/feature-gate-abi.rs:92:18 | LL | type A8 = extern "thiscall" fn(); | ^^^^^^^^^^ @@ -486,7 +486,7 @@ LL | type A8 = extern "thiscall" fn(); = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable error[E0658]: amdgpu-kernel ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:94:18 + --> $DIR/feature-gate-abi.rs:93:18 | LL | type A9 = extern "amdgpu-kernel" fn(); | ^^^^^^^^^^^^^^^ @@ -495,7 +495,7 @@ LL | type A9 = extern "amdgpu-kernel" fn(); = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable error[E0658]: efiapi ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:95:19 + --> $DIR/feature-gate-abi.rs:94:19 | LL | type A10 = extern "efiapi" fn(); | ^^^^^^^^ @@ -504,7 +504,7 @@ LL | type A10 = extern "efiapi" fn(); = help: add `#![feature(abi_efiapi)]` to the crate attributes to enable error[E0658]: intrinsics are subject to change - --> $DIR/feature-gate-abi.rs:98:8 + --> $DIR/feature-gate-abi.rs:97:8 | LL | extern "rust-intrinsic" {} | ^^^^^^^^^^^^^^^^ @@ -512,7 +512,7 @@ LL | extern "rust-intrinsic" {} = help: add `#![feature(intrinsics)]` to the crate attributes to enable error[E0658]: platform intrinsics are experimental and possibly buggy - --> $DIR/feature-gate-abi.rs:99:8 + --> $DIR/feature-gate-abi.rs:98:8 | LL | extern "platform-intrinsic" {} | ^^^^^^^^^^^^^^^^^^^^ @@ -521,7 +521,7 @@ LL | extern "platform-intrinsic" {} = help: add `#![feature(platform_intrinsics)]` to the crate attributes to enable error[E0658]: vectorcall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:100:8 + --> $DIR/feature-gate-abi.rs:99:8 | LL | extern "vectorcall" {} | ^^^^^^^^^^^^ @@ -529,7 +529,7 @@ LL | extern "vectorcall" {} = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable error[E0658]: rust-call ABI is subject to change - --> $DIR/feature-gate-abi.rs:101:8 + --> $DIR/feature-gate-abi.rs:100:8 | LL | extern "rust-call" {} | ^^^^^^^^^^^ @@ -538,7 +538,7 @@ LL | extern "rust-call" {} = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable error[E0658]: msp430-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:102:8 + --> $DIR/feature-gate-abi.rs:101:8 | LL | extern "msp430-interrupt" {} | ^^^^^^^^^^^^^^^^^^ @@ -547,7 +547,7 @@ LL | extern "msp430-interrupt" {} = help: add `#![feature(abi_msp430_interrupt)]` to the crate attributes to enable error[E0658]: PTX ABIs are experimental and subject to change - --> $DIR/feature-gate-abi.rs:103:8 + --> $DIR/feature-gate-abi.rs:102:8 | LL | extern "ptx-kernel" {} | ^^^^^^^^^^^^ @@ -556,7 +556,7 @@ LL | extern "ptx-kernel" {} = help: add `#![feature(abi_ptx)]` to the crate attributes to enable error[E0658]: x86-interrupt ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:104:8 + --> $DIR/feature-gate-abi.rs:103:8 | LL | extern "x86-interrupt" {} | ^^^^^^^^^^^^^^^ @@ -565,7 +565,7 @@ LL | extern "x86-interrupt" {} = help: add `#![feature(abi_x86_interrupt)]` to the crate attributes to enable error[E0658]: thiscall is experimental and subject to change - --> $DIR/feature-gate-abi.rs:105:8 + --> $DIR/feature-gate-abi.rs:104:8 | LL | extern "thiscall" {} | ^^^^^^^^^^ @@ -573,7 +573,7 @@ LL | extern "thiscall" {} = help: add `#![feature(abi_thiscall)]` to the crate attributes to enable error[E0658]: amdgpu-kernel ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:106:8 + --> $DIR/feature-gate-abi.rs:105:8 | LL | extern "amdgpu-kernel" {} | ^^^^^^^^^^^^^^^ @@ -582,7 +582,7 @@ LL | extern "amdgpu-kernel" {} = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable error[E0658]: efiapi ABI is experimental and subject to change - --> $DIR/feature-gate-abi.rs:107:8 + --> $DIR/feature-gate-abi.rs:106:8 | LL | extern "efiapi" {} | ^^^^^^^^ @@ -591,49 +591,49 @@ LL | extern "efiapi" {} = help: add `#![feature(abi_efiapi)]` to the crate attributes to enable error: intrinsic must be in `extern "rust-intrinsic" { ... }` block - --> $DIR/feature-gate-abi.rs:28:32 + --> $DIR/feature-gate-abi.rs:27:32 | LL | extern "rust-intrinsic" fn m1(); | ^^ error: intrinsic must be in `extern "rust-intrinsic" { ... }` block - --> $DIR/feature-gate-abi.rs:30:36 + --> $DIR/feature-gate-abi.rs:29:36 | LL | extern "platform-intrinsic" fn m2(); | ^^ error: intrinsic must be in `extern "rust-intrinsic" { ... }` block - --> $DIR/feature-gate-abi.rs:13:33 + --> $DIR/feature-gate-abi.rs:12:33 | LL | extern "rust-intrinsic" fn f1() {} | ^^ error: intrinsic must be in `extern "rust-intrinsic" { ... }` block - --> $DIR/feature-gate-abi.rs:15:37 + --> $DIR/feature-gate-abi.rs:14:37 | LL | extern "platform-intrinsic" fn f2() {} | ^^ error: intrinsic must be in `extern "rust-intrinsic" { ... }` block - --> $DIR/feature-gate-abi.rs:55:37 + --> $DIR/feature-gate-abi.rs:54:37 | LL | extern "rust-intrinsic" fn m1() {} | ^^ error: intrinsic must be in `extern "rust-intrinsic" { ... }` block - --> $DIR/feature-gate-abi.rs:57:41 + --> $DIR/feature-gate-abi.rs:56:41 | LL | extern "platform-intrinsic" fn m2() {} | ^^ error: intrinsic must be in `extern "rust-intrinsic" { ... }` block - --> $DIR/feature-gate-abi.rs:71:38 + --> $DIR/feature-gate-abi.rs:70:38 | LL | extern "rust-intrinsic" fn im1() {} | ^^ error: intrinsic must be in `extern "rust-intrinsic" { ... }` block - --> $DIR/feature-gate-abi.rs:73:42 + --> $DIR/feature-gate-abi.rs:72:42 | LL | extern "platform-intrinsic" fn im2() {} | ^^ diff --git a/src/test/ui/feature-gates/feature-gate-doc_notable_trait.rs b/src/test/ui/feature-gates/feature-gate-doc_notable_trait.rs new file mode 100644 index 000000000000..7f3392eadadb --- /dev/null +++ b/src/test/ui/feature-gates/feature-gate-doc_notable_trait.rs @@ -0,0 +1,4 @@ +#[doc(notable_trait)] //~ ERROR: `#[doc(notable_trait)]` is experimental +trait SomeTrait {} + +fn main() {} diff --git a/src/test/ui/feature-gates/feature-gate-doc_notable_trait.stderr b/src/test/ui/feature-gates/feature-gate-doc_notable_trait.stderr new file mode 100644 index 000000000000..1f9bef40c4e7 --- /dev/null +++ b/src/test/ui/feature-gates/feature-gate-doc_notable_trait.stderr @@ -0,0 +1,12 @@ +error[E0658]: `#[doc(notable_trait)]` is experimental + --> $DIR/feature-gate-doc_notable_trait.rs:1:1 + | +LL | #[doc(notable_trait)] + | ^^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #45040 for more information + = help: add `#![feature(doc_notable_trait)]` to the crate attributes to enable + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/feature-gates/feature-gate-doc_spotlight.rs b/src/test/ui/feature-gates/feature-gate-doc_spotlight.rs deleted file mode 100644 index 452b45b34456..000000000000 --- a/src/test/ui/feature-gates/feature-gate-doc_spotlight.rs +++ /dev/null @@ -1,4 +0,0 @@ -#[doc(spotlight)] //~ ERROR: `#[doc(spotlight)]` is experimental -trait SomeTrait {} - -fn main() {} diff --git a/src/test/ui/feature-gates/feature-gate-doc_spotlight.stderr b/src/test/ui/feature-gates/feature-gate-doc_spotlight.stderr deleted file mode 100644 index 010d74054a41..000000000000 --- a/src/test/ui/feature-gates/feature-gate-doc_spotlight.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0658]: `#[doc(spotlight)]` is experimental - --> $DIR/feature-gate-doc_spotlight.rs:1:1 - | -LL | #[doc(spotlight)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #45040 for more information - = help: add `#![feature(doc_spotlight)]` to the crate attributes to enable - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/feature-gates/feature-gate-fn_align.rs b/src/test/ui/feature-gates/feature-gate-fn_align.rs new file mode 100644 index 000000000000..ea873dba269c --- /dev/null +++ b/src/test/ui/feature-gates/feature-gate-fn_align.rs @@ -0,0 +1,4 @@ +#![crate_type = "lib"] + +#[repr(align(16))] //~ ERROR `repr(align)` attributes on functions are unstable +fn requires_alignment() {} diff --git a/src/test/ui/feature-gates/feature-gate-fn_align.stderr b/src/test/ui/feature-gates/feature-gate-fn_align.stderr new file mode 100644 index 000000000000..5ff124e48dca --- /dev/null +++ b/src/test/ui/feature-gates/feature-gate-fn_align.stderr @@ -0,0 +1,12 @@ +error[E0658]: `repr(align)` attributes on functions are unstable + --> $DIR/feature-gate-fn_align.rs:3:8 + | +LL | #[repr(align(16))] + | ^^^^^^^^^ + | + = note: see issue #82232 for more information + = help: add `#![feature(fn_align)]` to the crate attributes to enable + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/feature-gates/feature-gate-generic_associated_types.stderr b/src/test/ui/feature-gates/feature-gate-generic_associated_types.stderr index 266008cc0def..4afbde5021f9 100644 --- a/src/test/ui/feature-gates/feature-gate-generic_associated_types.stderr +++ b/src/test/ui/feature-gates/feature-gate-generic_associated_types.stderr @@ -69,8 +69,8 @@ LL | type Pointer2 = Box; | help: consider restricting type parameter `U32` | -LL | type Pointer2 = Box; - | ^^^^^^^ +LL | type Pointer2 = Box; + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to 8 previous errors diff --git a/src/test/ui/feature-gates/feature-gate-link_args.rs b/src/test/ui/feature-gates/feature-gate-link_args.rs deleted file mode 100644 index e1c651f46fb4..000000000000 --- a/src/test/ui/feature-gates/feature-gate-link_args.rs +++ /dev/null @@ -1,17 +0,0 @@ -// Test that `#[link_args]` attribute is gated by `link_args` -// feature gate, both when it occurs where expected (atop -// `extern { }` blocks) and where unexpected. - -// sidestep warning (which is correct, but misleading for -// purposes of this test) -#![allow(unused_attributes)] -#![link_args = "-l unexpected_use_as_inner_attr_on_mod"] -//~^ ERROR the `link_args` attribute is experimental - -#[link_args = "-l expected_use_case"] -//~^ ERROR the `link_args` attribute is experimental -extern "C" {} - -#[link_args = "-l unexected_use_on_non_extern_item"] -//~^ ERROR: the `link_args` attribute is experimental -fn main() {} diff --git a/src/test/ui/feature-gates/feature-gate-link_args.stderr b/src/test/ui/feature-gates/feature-gate-link_args.stderr deleted file mode 100644 index ae4918f5c9f5..000000000000 --- a/src/test/ui/feature-gates/feature-gate-link_args.stderr +++ /dev/null @@ -1,30 +0,0 @@ -error[E0658]: the `link_args` attribute is experimental and not portable across platforms, it is recommended to use `#[link(name = "foo")] instead - --> $DIR/feature-gate-link_args.rs:11:1 - | -LL | #[link_args = "-l expected_use_case"] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #29596 for more information - = help: add `#![feature(link_args)]` to the crate attributes to enable - -error[E0658]: the `link_args` attribute is experimental and not portable across platforms, it is recommended to use `#[link(name = "foo")] instead - --> $DIR/feature-gate-link_args.rs:15:1 - | -LL | #[link_args = "-l unexected_use_on_non_extern_item"] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #29596 for more information - = help: add `#![feature(link_args)]` to the crate attributes to enable - -error[E0658]: the `link_args` attribute is experimental and not portable across platforms, it is recommended to use `#[link(name = "foo")] instead - --> $DIR/feature-gate-link_args.rs:8:1 - | -LL | #![link_args = "-l unexpected_use_as_inner_attr_on_mod"] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #29596 for more information - = help: add `#![feature(link_args)]` to the crate attributes to enable - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/feature-gates/feature-gate-non_ascii_idents.rs b/src/test/ui/feature-gates/feature-gate-non_ascii_idents.rs index 5cc04ad5cdfd..524ad3c83fcb 100644 --- a/src/test/ui/feature-gates/feature-gate-non_ascii_idents.rs +++ b/src/test/ui/feature-gates/feature-gate-non_ascii_idents.rs @@ -28,6 +28,7 @@ enum Bär { //~ ERROR non-ascii idents extern "C" { fn qüx(); //~ ERROR non-ascii idents + //~^ ERROR items in `extern` blocks } fn main() {} diff --git a/src/test/ui/feature-gates/feature-gate-non_ascii_idents.stderr b/src/test/ui/feature-gates/feature-gate-non_ascii_idents.stderr index e9392ace4ce2..c712acee37f9 100644 --- a/src/test/ui/feature-gates/feature-gate-non_ascii_idents.stderr +++ b/src/test/ui/feature-gates/feature-gate-non_ascii_idents.stderr @@ -1,3 +1,13 @@ +error: items in `extern` blocks cannot use non-ascii identifiers + --> $DIR/feature-gate-non_ascii_idents.rs:30:8 + | +LL | extern "C" { + | ---------- in this `extern` block +LL | fn qüx(); + | ^^^ + | + = note: This limitation may be lifted in the future; see issue #83942 for more information + error[E0658]: non-ascii idents are not fully supported --> $DIR/feature-gate-non_ascii_idents.rs:1:22 | @@ -115,6 +125,6 @@ LL | fn qüx(); = note: see issue #55467 for more information = help: add `#![feature(non_ascii_idents)]` to the crate attributes to enable -error: aborting due to 13 previous errors +error: aborting due to 14 previous errors For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/feature-gates/feature-gate-overlapping_marker_traits.stderr b/src/test/ui/feature-gates/feature-gate-overlapping_marker_traits.stderr index 5ce4c5cccb31..0526c6dc8398 100644 --- a/src/test/ui/feature-gates/feature-gate-overlapping_marker_traits.stderr +++ b/src/test/ui/feature-gates/feature-gate-overlapping_marker_traits.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyMarker`: +error[E0119]: conflicting implementations of trait `MyMarker` --> $DIR/feature-gate-overlapping_marker_traits.rs:6:1 | LL | impl MyMarker for T {} diff --git a/src/test/ui/feature-gates/feature-gate-rustc-attrs-1.rs b/src/test/ui/feature-gates/feature-gate-rustc-attrs-1.rs index 9f5c92349e06..04f816ea5016 100644 --- a/src/test/ui/feature-gates/feature-gate-rustc-attrs-1.rs +++ b/src/test/ui/feature-gates/feature-gate-rustc-attrs-1.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // Test that `#[rustc_*]` attributes are gated by `rustc_attrs` feature gate. #[rustc_variance] //~ ERROR the `#[rustc_variance]` attribute is just used for rustc unit tests and will never be stable diff --git a/src/test/ui/feature-gates/feature-gate-rustc-attrs-1.stderr b/src/test/ui/feature-gates/feature-gate-rustc-attrs-1.stderr index 82dec1fd4cf2..822368a5946e 100644 --- a/src/test/ui/feature-gates/feature-gate-rustc-attrs-1.stderr +++ b/src/test/ui/feature-gates/feature-gate-rustc-attrs-1.stderr @@ -1,5 +1,5 @@ error[E0658]: the `#[rustc_variance]` attribute is just used for rustc unit tests and will never be stable - --> $DIR/feature-gate-rustc-attrs-1.rs:5:1 + --> $DIR/feature-gate-rustc-attrs-1.rs:3:1 | LL | #[rustc_variance] | ^^^^^^^^^^^^^^^^^ @@ -7,7 +7,7 @@ LL | #[rustc_variance] = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable error[E0658]: the `#[rustc_error]` attribute is just used for rustc unit tests and will never be stable - --> $DIR/feature-gate-rustc-attrs-1.rs:6:1 + --> $DIR/feature-gate-rustc-attrs-1.rs:4:1 | LL | #[rustc_error] | ^^^^^^^^^^^^^^ @@ -15,7 +15,7 @@ LL | #[rustc_error] = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable error[E0658]: the `#[rustc_nonnull_optimization_guaranteed]` attribute is just used to enable niche optimizations in libcore and will never be stable - --> $DIR/feature-gate-rustc-attrs-1.rs:7:1 + --> $DIR/feature-gate-rustc-attrs-1.rs:5:1 | LL | #[rustc_nonnull_optimization_guaranteed] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/feature-gates/feature-gate-trivial_bounds.stderr b/src/test/ui/feature-gates/feature-gate-trivial_bounds.stderr index f3fa64120956..78904b383f49 100644 --- a/src/test/ui/feature-gates/feature-gate-trivial_bounds.stderr +++ b/src/test/ui/feature-gates/feature-gate-trivial_bounds.stderr @@ -107,7 +107,11 @@ LL | | } | |_^ doesn't have a size known at compile-time | = help: within `Dst<(dyn A + 'static)>`, the trait `Sized` is not implemented for `(dyn A + 'static)` - = note: required because it appears within the type `Dst<(dyn A + 'static)>` +note: required because it appears within the type `Dst<(dyn A + 'static)>` + --> $DIR/feature-gate-trivial_bounds.rs:48:8 + | +LL | struct Dst { + | ^^^ = help: see issue #48214 = help: add `#![feature(trivial_bounds)]` to the crate attributes to enable diff --git a/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs b/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs index 6404b2c3115c..07167fa695e4 100644 --- a/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs +++ b/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs @@ -8,7 +8,6 @@ // which would mess up the treatment of other cases in // issue-43106-gating-of-builtin-attrs.rs) -// ignore-tidy-linelength #![macro_export] //~^ ERROR: `macro_export` attribute cannot be used at crate level diff --git a/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr b/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr index 3ca1bd2ea7e4..33a5021cde43 100644 --- a/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr +++ b/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr @@ -1,5 +1,5 @@ error: attribute must be of the form `#[inline]` or `#[inline(always|never)]` - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:41:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:40:5 | LL | #[inline = "2100"] fn f() { } | ^^^^^^^^^^^^^^^^^^ @@ -9,67 +9,67 @@ LL | #[inline = "2100"] fn f() { } = note: for more information, see issue #57571 error: `main` attribute can only be used on functions - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:110:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:109:1 | LL | #[main] | ^^^^^^^ error: `main` attribute can only be used on functions - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:113:17 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:112:17 | LL | mod inner { #![main] } | ^^^^^^^^ error: `main` attribute can only be used on functions - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:118:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:117:5 | LL | #[main] struct S; | ^^^^^^^ error: `main` attribute can only be used on functions - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:121:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:120:5 | LL | #[main] type T = S; | ^^^^^^^ error: `main` attribute can only be used on functions - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:124:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:123:5 | LL | #[main] impl S { } | ^^^^^^^ error: `start` attribute can only be used on functions - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:128:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:127:1 | LL | #[start] | ^^^^^^^^ error: `start` attribute can only be used on functions - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:131:17 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:130:17 | LL | mod inner { #![start] } | ^^^^^^^^^ error: `start` attribute can only be used on functions - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:136:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:135:5 | LL | #[start] struct S; | ^^^^^^^^ error: `start` attribute can only be used on functions - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:139:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:138:5 | LL | #[start] type T = S; | ^^^^^^^^ error: `start` attribute can only be used on functions - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:142:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:141:5 | LL | #[start] impl S { } | ^^^^^^^^ error[E0518]: attribute should be applied to function or closure - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:32:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:31:1 | LL | #[inline] | ^^^^^^^^^ @@ -84,7 +84,7 @@ LL | | } | |_- not a function or closure error: attribute should be applied to an `extern crate` item - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:60:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:59:1 | LL | #[no_link] | ^^^^^^^^^^ @@ -99,7 +99,7 @@ LL | | } | |_- not an `extern crate` item error: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:86:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:85:1 | LL | #[export_name = "2200"] | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -114,133 +114,133 @@ LL | | } | |_- not a function or static error: attribute should be applied to an `extern crate` item - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:26:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:25:1 | LL | #![no_link] | ^^^^^^^^^^^ error: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:28:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:27:1 | LL | #![export_name = "2200"] | ^^^^^^^^^^^^^^^^^^^^^^^^ error[E0518]: attribute should be applied to function or closure - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:30:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:29:1 | LL | #![inline] | ^^^^^^^^^^ error: `macro_export` attribute cannot be used at crate level - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:13:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:12:1 | LL | #![macro_export] | ^^^^^^^^^^^^^^^^ error: `main` attribute cannot be used at crate level - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:15:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:14:1 | LL | #![main] | ^^^^^^^^ error: `start` attribute cannot be used at crate level - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:17:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:16:1 | LL | #![start] | ^^^^^^^^^ error: `repr` attribute cannot be used at crate level - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:19:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:18:1 | LL | #![repr()] | ^^^^^^^^^^ error: `path` attribute cannot be used at crate level - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:21:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:20:1 | LL | #![path = "3800"] | ^^^^^^^^^^^^^^^^^ error: `automatically_derived` attribute cannot be used at crate level - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:23:1 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:22:1 | LL | #![automatically_derived] | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0518]: attribute should be applied to function or closure - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:37:17 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:36:17 | LL | mod inner { #![inline] } | ------------^^^^^^^^^^-- not a function or closure error[E0518]: attribute should be applied to function or closure - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:47:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:46:5 | LL | #[inline] struct S; | ^^^^^^^^^ --------- not a function or closure error[E0518]: attribute should be applied to function or closure - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:51:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:50:5 | LL | #[inline] type T = S; | ^^^^^^^^^ ----------- not a function or closure error[E0518]: attribute should be applied to function or closure - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:55:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:54:5 | LL | #[inline] impl S { } | ^^^^^^^^^ ---------- not a function or closure error: attribute should be applied to an `extern crate` item - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:65:17 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:64:17 | LL | mod inner { #![no_link] } | ------------^^^^^^^^^^^-- not an `extern crate` item error: attribute should be applied to an `extern crate` item - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:69:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:68:5 | LL | #[no_link] fn f() { } | ^^^^^^^^^^ ---------- not an `extern crate` item error: attribute should be applied to an `extern crate` item - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:73:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:72:5 | LL | #[no_link] struct S; | ^^^^^^^^^^ --------- not an `extern crate` item error: attribute should be applied to an `extern crate` item - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:77:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:76:5 | LL | #[no_link]type T = S; | ^^^^^^^^^^----------- not an `extern crate` item error: attribute should be applied to an `extern crate` item - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:81:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:80:5 | LL | #[no_link] impl S { } | ^^^^^^^^^^ ---------- not an `extern crate` item error: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:91:17 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:90:17 | LL | mod inner { #![export_name="2200"] } | ------------^^^^^^^^^^^^^^^^^^^^^^-- not a function or static error: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:97:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:96:5 | LL | #[export_name = "2200"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^ --------- not a function or static error: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:101:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:100:5 | LL | #[export_name = "2200"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^ ----------- not a function or static error: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:105:5 + --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:104:5 | LL | #[export_name = "2200"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^ ---------- not a function or static diff --git a/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs b/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs index 21f40524f63d..19a60f1bcfff 100644 --- a/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs +++ b/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs @@ -34,7 +34,6 @@ // occurrences in the source text. // check-pass -// ignore-tidy-linelength #![feature(test, plugin_registrar)] #![warn(unused_attributes, unknown_lints)] diff --git a/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr b/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr index c864ccc86866..c207c05455fe 100644 --- a/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr +++ b/src/test/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr @@ -1,179 +1,179 @@ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:53:9 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:52:9 | LL | #![warn(x5400)] | ^^^^^ | note: the lint level is defined here - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:40:28 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:39:28 | LL | #![warn(unused_attributes, unknown_lints)] | ^^^^^^^^^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:54:10 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:53:10 | LL | #![allow(x5300)] | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:55:11 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:54:11 | LL | #![forbid(x5200)] | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:56:9 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:55:9 | LL | #![deny(x5100)] | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:111:8 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:110:8 | LL | #[warn(x5400)] | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:114:25 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:113:25 | LL | mod inner { #![warn(x5400)] } | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:117:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:116:12 | LL | #[warn(x5400)] fn f() { } | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:120:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:119:12 | LL | #[warn(x5400)] struct S; | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:123:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:122:12 | LL | #[warn(x5400)] type T = S; | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:126:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:125:12 | LL | #[warn(x5400)] impl S { } | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:130:9 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:129:9 | LL | #[allow(x5300)] | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:133:26 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:132:26 | LL | mod inner { #![allow(x5300)] } | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:136:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:135:13 | LL | #[allow(x5300)] fn f() { } | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:139:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:138:13 | LL | #[allow(x5300)] struct S; | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:142:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:141:13 | LL | #[allow(x5300)] type T = S; | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:145:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:144:13 | LL | #[allow(x5300)] impl S { } | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:149:10 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:148:10 | LL | #[forbid(x5200)] | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:152:27 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:151:27 | LL | mod inner { #![forbid(x5200)] } | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:155:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:154:14 | LL | #[forbid(x5200)] fn f() { } | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:158:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:157:14 | LL | #[forbid(x5200)] struct S; | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:161:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:160:14 | LL | #[forbid(x5200)] type T = S; | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:164:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:163:14 | LL | #[forbid(x5200)] impl S { } | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:168:8 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:167:8 | LL | #[deny(x5100)] | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:171:25 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:170:25 | LL | mod inner { #![deny(x5100)] } | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:174:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:173:12 | LL | #[deny(x5100)] fn f() { } | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:177:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:176:12 | LL | #[deny(x5100)] struct S; | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:180:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:179:12 | LL | #[deny(x5100)] type T = S; | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:183:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:182:12 | LL | #[deny(x5100)] impl S { } | ^^^^^ warning: `#[macro_escape]` is a deprecated synonym for `#[macro_use]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:441:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:440:17 | LL | mod inner { #![macro_escape] } | ^^^^^^^^^^^^^^^^ @@ -181,13 +181,13 @@ LL | mod inner { #![macro_escape] } = help: try an outer attribute: `#[macro_use]` warning: `#[macro_escape]` is a deprecated synonym for `#[macro_use]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:438:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:437:1 | LL | #[macro_escape] | ^^^^^^^^^^^^^^^ warning: use of deprecated attribute `plugin_registrar`: compiler plugins are deprecated. See https://github.com/rust-lang/rust/pull/64675 - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:228:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:227:17 | LL | mod inner { #![plugin_registrar] } | ^^^^^^^^^^^^^^^^^^^^ help: may be removed in a future compiler version @@ -195,49 +195,49 @@ LL | mod inner { #![plugin_registrar] } = note: `#[warn(deprecated)]` on by default warning: use of deprecated attribute `plugin_registrar`: compiler plugins are deprecated. See https://github.com/rust-lang/rust/pull/64675 - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:236:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:235:5 | LL | #[plugin_registrar] struct S; | ^^^^^^^^^^^^^^^^^^^ help: may be removed in a future compiler version warning: use of deprecated attribute `plugin_registrar`: compiler plugins are deprecated. See https://github.com/rust-lang/rust/pull/64675 - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:241:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:240:5 | LL | #[plugin_registrar] type T = S; | ^^^^^^^^^^^^^^^^^^^ help: may be removed in a future compiler version warning: use of deprecated attribute `plugin_registrar`: compiler plugins are deprecated. See https://github.com/rust-lang/rust/pull/64675 - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:246:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:245:5 | LL | #[plugin_registrar] impl S { } | ^^^^^^^^^^^^^^^^^^^ help: may be removed in a future compiler version warning: use of deprecated attribute `plugin_registrar`: compiler plugins are deprecated. See https://github.com/rust-lang/rust/pull/64675 - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:223:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:222:1 | LL | #[plugin_registrar] | ^^^^^^^^^^^^^^^^^^^ help: may be removed in a future compiler version warning: use of deprecated attribute `plugin_registrar`: compiler plugins are deprecated. See https://github.com/rust-lang/rust/pull/64675 - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:46:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:45:1 | LL | #![plugin_registrar] | ^^^^^^^^^^^^^^^^^^^^ help: may be removed in a future compiler version warning: use of deprecated attribute `crate_id`: no longer used. - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:91:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:90:1 | LL | #![crate_id = "10"] | ^^^^^^^^^^^^^^^^^^^ help: remove this attribute warning: use of deprecated attribute `no_start`: no longer used. - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:100:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:99:1 | LL | #![no_start] | ^^^^^^^^^^^^ help: remove this attribute warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:333:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:332:1 | LL | #[no_mangle] | ^^^^^^^^^^^^ @@ -252,14 +252,14 @@ LL | | } | |_- not a function or static | note: the lint level is defined here - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:40:9 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:39:9 | LL | #![warn(unused_attributes, unknown_lints)] | ^^^^^^^^^^^^^^^^^ = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:500:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:499:1 | LL | #[cold] | ^^^^^^^ @@ -276,7 +276,7 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:529:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:528:1 | LL | #[link_name = "1900"] | ^^^^^^^^^^^^^^^^^^^^^ @@ -293,7 +293,7 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:568:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:567:1 | LL | #[link_section = "1800"] | ^^^^^^^^^^^^^^^^^^^^^^^^ @@ -310,7 +310,7 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:69:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:68:1 | LL | #![cold] | ^^^^^^^^ @@ -318,7 +318,7 @@ LL | #![cold] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:73:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:72:1 | LL | #![link_name = "1900"] | ^^^^^^^^^^^^^^^^^^^^^^ @@ -326,7 +326,7 @@ LL | #![link_name = "1900"] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:76:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:75:1 | LL | #![link_section = "1800"] | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -334,7 +334,7 @@ LL | #![link_section = "1800"] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:338:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:337:17 | LL | mod inner { #![no_mangle] } | ------------^^^^^^^^^^^^^-- not a function or static @@ -342,7 +342,7 @@ LL | mod inner { #![no_mangle] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:345:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:344:5 | LL | #[no_mangle] struct S; | ^^^^^^^^^^^^ --------- not a function or static @@ -350,7 +350,7 @@ LL | #[no_mangle] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:350:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:349:5 | LL | #[no_mangle] type T = S; | ^^^^^^^^^^^^ ----------- not a function or static @@ -358,7 +358,7 @@ LL | #[no_mangle] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:355:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:354:5 | LL | #[no_mangle] impl S { } | ^^^^^^^^^^^^ ---------- not a function or static @@ -366,7 +366,7 @@ LL | #[no_mangle] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:506:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:505:17 | LL | mod inner { #![cold] } | ------------^^^^^^^^-- not a function @@ -374,7 +374,7 @@ LL | mod inner { #![cold] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:513:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:512:5 | LL | #[cold] struct S; | ^^^^^^^ --------- not a function @@ -382,7 +382,7 @@ LL | #[cold] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:518:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:517:5 | LL | #[cold] type T = S; | ^^^^^^^ ----------- not a function @@ -390,7 +390,7 @@ LL | #[cold] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:523:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:522:5 | LL | #[cold] impl S { } | ^^^^^^^ ---------- not a function @@ -398,7 +398,7 @@ LL | #[cold] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:535:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:534:5 | LL | #[link_name = "1900"] | ^^^^^^^^^^^^^^^^^^^^^ @@ -408,13 +408,13 @@ LL | extern "C" { } | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! help: try `#[link(name = "1900")]` instead - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:535:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:534:5 | LL | #[link_name = "1900"] | ^^^^^^^^^^^^^^^^^^^^^ warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:542:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:541:17 | LL | mod inner { #![link_name="1900"] } | ------------^^^^^^^^^^^^^^^^^^^^-- not a foreign function or static @@ -422,7 +422,7 @@ LL | mod inner { #![link_name="1900"] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:547:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:546:5 | LL | #[link_name = "1900"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^ ---------- not a foreign function or static @@ -430,7 +430,7 @@ LL | #[link_name = "1900"] fn f() { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:552:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:551:5 | LL | #[link_name = "1900"] struct S; | ^^^^^^^^^^^^^^^^^^^^^ --------- not a foreign function or static @@ -438,7 +438,7 @@ LL | #[link_name = "1900"] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:557:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:556:5 | LL | #[link_name = "1900"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^ ----------- not a foreign function or static @@ -446,7 +446,7 @@ LL | #[link_name = "1900"] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:562:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:561:5 | LL | #[link_name = "1900"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^ ---------- not a foreign function or static @@ -454,7 +454,7 @@ LL | #[link_name = "1900"] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:574:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:573:17 | LL | mod inner { #![link_section="1800"] } | ------------^^^^^^^^^^^^^^^^^^^^^^^-- not a function or static @@ -462,7 +462,7 @@ LL | mod inner { #![link_section="1800"] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:581:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:580:5 | LL | #[link_section = "1800"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^ --------- not a function or static @@ -470,7 +470,7 @@ LL | #[link_section = "1800"] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:586:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:585:5 | LL | #[link_section = "1800"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^ ----------- not a function or static @@ -478,7 +478,7 @@ LL | #[link_section = "1800"] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:591:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:590:5 | LL | #[link_section = "1800"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^ ---------- not a function or static @@ -486,7 +486,7 @@ LL | #[link_section = "1800"] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: the feature `rust1` has been stable since 1.0.0 and no longer requires an attribute to enable - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:96:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:95:12 | LL | #![feature(rust1)] | ^^^^^ @@ -494,847 +494,847 @@ LL | #![feature(rust1)] = note: `#[warn(stable_features)]` on by default warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:46:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:45:1 | LL | #![plugin_registrar] | ^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:60:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:59:1 | LL | #![should_panic] | ^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:61:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:60:1 | LL | #![ignore] | ^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:67:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:66:1 | LL | #![proc_macro_derive()] | ^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:191:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:190:5 | LL | #[macro_use] fn f() { } | ^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:194:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:193:5 | LL | #[macro_use] struct S; | ^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:197:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:196:5 | LL | #[macro_use] type T = S; | ^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:200:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:199:5 | LL | #[macro_use] impl S { } | ^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:204:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:203:1 | LL | #[macro_export] | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:207:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:206:17 | LL | mod inner { #![macro_export] } | ^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:210:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:209:5 | LL | #[macro_export] fn f() { } | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:213:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:212:5 | LL | #[macro_export] struct S; | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:216:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:215:5 | LL | #[macro_export] type T = S; | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:219:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:218:5 | LL | #[macro_export] impl S { } | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:223:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:222:1 | LL | #[plugin_registrar] | ^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:228:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:227:17 | LL | mod inner { #![plugin_registrar] } | ^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:236:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:235:5 | LL | #[plugin_registrar] struct S; | ^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:241:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:240:5 | LL | #[plugin_registrar] type T = S; | ^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:246:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:245:5 | LL | #[plugin_registrar] impl S { } | ^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:301:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:300:5 | LL | #[path = "3800"] fn f() { } | ^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:304:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:303:5 | LL | #[path = "3800"] struct S; | ^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:307:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:306:5 | LL | #[path = "3800"] type T = S; | ^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:310:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:309:5 | LL | #[path = "3800"] impl S { } | ^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:314:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:313:1 | LL | #[automatically_derived] | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:317:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:316:17 | LL | mod inner { #![automatically_derived] } | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:320:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:319:5 | LL | #[automatically_derived] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:323:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:322:5 | LL | #[automatically_derived] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:326:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:325:5 | LL | #[automatically_derived] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:329:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:328:5 | LL | #[automatically_derived] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:361:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:360:1 | LL | #[should_panic] | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:364:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:363:17 | LL | mod inner { #![should_panic] } | ^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:367:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:366:5 | LL | #[should_panic] fn f() { } | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:370:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:369:5 | LL | #[should_panic] struct S; | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:373:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:372:5 | LL | #[should_panic] type T = S; | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:376:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:375:5 | LL | #[should_panic] impl S { } | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:380:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:379:1 | LL | #[ignore] | ^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:383:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:382:17 | LL | mod inner { #![ignore] } | ^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:386:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:385:5 | LL | #[ignore] fn f() { } | ^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:389:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:388:5 | LL | #[ignore] struct S; | ^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:392:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:391:5 | LL | #[ignore] type T = S; | ^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:395:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:394:5 | LL | #[ignore] impl S { } | ^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:399:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:398:1 | LL | #[no_implicit_prelude] | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:402:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:401:17 | LL | mod inner { #![no_implicit_prelude] } | ^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:405:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:404:5 | LL | #[no_implicit_prelude] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:408:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:407:5 | LL | #[no_implicit_prelude] struct S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:411:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:410:5 | LL | #[no_implicit_prelude] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:414:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:413:5 | LL | #[no_implicit_prelude] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:418:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:417:1 | LL | #[reexport_test_harness_main = "2900"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:421:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:420:17 | LL | mod inner { #![reexport_test_harness_main="2900"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:424:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:423:5 | LL | #[reexport_test_harness_main = "2900"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:427:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:426:5 | LL | #[reexport_test_harness_main = "2900"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:430:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:429:5 | LL | #[reexport_test_harness_main = "2900"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:433:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:432:5 | LL | #[reexport_test_harness_main = "2900"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:445:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:444:5 | LL | #[macro_escape] fn f() { } | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:448:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:447:5 | LL | #[macro_escape] struct S; | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:451:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:450:5 | LL | #[macro_escape] type T = S; | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:454:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:453:5 | LL | #[macro_escape] impl S { } | ^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:458:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:457:1 | LL | #[no_std] | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:458:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:457:1 | LL | #[no_std] | ^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:462:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:461:17 | LL | mod inner { #![no_std] } | ^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:462:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:461:17 | LL | mod inner { #![no_std] } | ^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:466:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:465:5 | LL | #[no_std] fn f() { } | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:466:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:465:5 | LL | #[no_std] fn f() { } | ^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:470:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:469:5 | LL | #[no_std] struct S; | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:470:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:469:5 | LL | #[no_std] struct S; | ^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:474:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:473:5 | LL | #[no_std] type T = S; | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:474:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:473:5 | LL | #[no_std] type T = S; | ^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:478:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:477:5 | LL | #[no_std] impl S { } | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:478:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:477:5 | LL | #[no_std] impl S { } | ^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:659:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:658:1 | LL | #[crate_name = "0900"] | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:659:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:658:1 | LL | #[crate_name = "0900"] | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:663:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:662:17 | LL | mod inner { #![crate_name="0900"] } | ^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:663:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:662:17 | LL | mod inner { #![crate_name="0900"] } | ^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:667:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:666:5 | LL | #[crate_name = "0900"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:667:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:666:5 | LL | #[crate_name = "0900"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:671:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:670:5 | LL | #[crate_name = "0900"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:671:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:670:5 | LL | #[crate_name = "0900"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:675:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:674:5 | LL | #[crate_name = "0900"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:675:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:674:5 | LL | #[crate_name = "0900"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:679:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:678:5 | LL | #[crate_name = "0900"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:679:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:678:5 | LL | #[crate_name = "0900"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:684:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:683:1 | LL | #[crate_type = "0800"] | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:684:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:683:1 | LL | #[crate_type = "0800"] | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:688:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:687:17 | LL | mod inner { #![crate_type="0800"] } | ^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:688:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:687:17 | LL | mod inner { #![crate_type="0800"] } | ^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:692:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:691:5 | LL | #[crate_type = "0800"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:692:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:691:5 | LL | #[crate_type = "0800"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:696:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:695:5 | LL | #[crate_type = "0800"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:696:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:695:5 | LL | #[crate_type = "0800"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:700:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:699:5 | LL | #[crate_type = "0800"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:700:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:699:5 | LL | #[crate_type = "0800"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:704:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:703:5 | LL | #[crate_type = "0800"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:704:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:703:5 | LL | #[crate_type = "0800"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:709:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:708:1 | LL | #[feature(x0600)] | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:709:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:708:1 | LL | #[feature(x0600)] | ^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:713:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:712:17 | LL | mod inner { #![feature(x0600)] } | ^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:713:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:712:17 | LL | mod inner { #![feature(x0600)] } | ^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:717:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:716:5 | LL | #[feature(x0600)] fn f() { } | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:717:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:716:5 | LL | #[feature(x0600)] fn f() { } | ^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:721:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:720:5 | LL | #[feature(x0600)] struct S; | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:721:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:720:5 | LL | #[feature(x0600)] struct S; | ^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:725:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:724:5 | LL | #[feature(x0600)] type T = S; | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:725:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:724:5 | LL | #[feature(x0600)] type T = S; | ^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:729:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:728:5 | LL | #[feature(x0600)] impl S { } | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:729:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:728:5 | LL | #[feature(x0600)] impl S { } | ^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:735:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:734:1 | LL | #[no_main] | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:735:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:734:1 | LL | #[no_main] | ^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:739:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:738:17 | LL | mod inner { #![no_main] } | ^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:739:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:738:17 | LL | mod inner { #![no_main] } | ^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:743:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:742:5 | LL | #[no_main] fn f() { } | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:743:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:742:5 | LL | #[no_main] fn f() { } | ^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:747:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:746:5 | LL | #[no_main] struct S; | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:747:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:746:5 | LL | #[no_main] struct S; | ^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:751:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:750:5 | LL | #[no_main] type T = S; | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:751:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:750:5 | LL | #[no_main] type T = S; | ^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:755:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:754:5 | LL | #[no_main] impl S { } | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:755:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:754:5 | LL | #[no_main] impl S { } | ^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:773:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:772:1 | LL | #[recursion_limit="0200"] | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:773:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:772:1 | LL | #[recursion_limit="0200"] | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:777:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:776:17 | LL | mod inner { #![recursion_limit="0200"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:777:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:776:17 | LL | mod inner { #![recursion_limit="0200"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:781:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:780:5 | LL | #[recursion_limit="0200"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:781:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:780:5 | LL | #[recursion_limit="0200"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:785:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:784:5 | LL | #[recursion_limit="0200"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:785:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:784:5 | LL | #[recursion_limit="0200"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:789:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:788:5 | LL | #[recursion_limit="0200"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:789:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:788:5 | LL | #[recursion_limit="0200"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:793:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:792:5 | LL | #[recursion_limit="0200"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:793:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:792:5 | LL | #[recursion_limit="0200"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:798:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:797:1 | LL | #[type_length_limit="0100"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:798:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:797:1 | LL | #[type_length_limit="0100"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:802:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:801:17 | LL | mod inner { #![type_length_limit="0100"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:802:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:801:17 | LL | mod inner { #![type_length_limit="0100"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:806:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:805:5 | LL | #[type_length_limit="0100"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:806:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:805:5 | LL | #[type_length_limit="0100"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:810:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:809:5 | LL | #[type_length_limit="0100"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:810:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:809:5 | LL | #[type_length_limit="0100"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:814:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:813:5 | LL | #[type_length_limit="0100"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:814:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:813:5 | LL | #[type_length_limit="0100"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: unused attribute - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:818:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:817:5 | LL | #[type_length_limit="0100"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:818:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:817:5 | LL | #[type_length_limit="0100"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/generator/static-not-unpin.stderr b/src/test/ui/generator/static-not-unpin.stderr index 881064d2f841..74ac53a7f940 100644 --- a/src/test/ui/generator/static-not-unpin.stderr +++ b/src/test/ui/generator/static-not-unpin.stderr @@ -6,6 +6,8 @@ LL | fn assert_unpin(_: T) { ... LL | assert_unpin(generator); | ^^^^^^^^^ the trait `Unpin` is not implemented for `[static generator@$DIR/static-not-unpin.rs:11:25: 13:6]` + | + = note: consider using `Box::pin` error: aborting due to previous error diff --git a/src/test/ui/generator/type-mismatch-signature-deduction.stderr b/src/test/ui/generator/type-mismatch-signature-deduction.stderr index 30e23ea8f650..3f1f33a3b123 100644 --- a/src/test/ui/generator/type-mismatch-signature-deduction.stderr +++ b/src/test/ui/generator/type-mismatch-signature-deduction.stderr @@ -16,10 +16,10 @@ error[E0271]: type mismatch resolving `<[generator@$DIR/type-mismatch-signature- --> $DIR/type-mismatch-signature-deduction.rs:5:13 | LL | fn foo() -> impl Generator { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `i32` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found enum `Result` | - = note: expected enum `Result<{integer}, _>` - found type `i32` + = note: expected type `i32` + found enum `Result<{integer}, _>` error: aborting due to 2 previous errors diff --git a/src/test/ui/generic-associated-types/impl_bounds.rs b/src/test/ui/generic-associated-types/impl_bounds.rs index 089a214667ea..50e1c50644e3 100644 --- a/src/test/ui/generic-associated-types/impl_bounds.rs +++ b/src/test/ui/generic-associated-types/impl_bounds.rs @@ -6,6 +6,7 @@ trait Foo { type A<'a> where Self: 'a; type B<'a, 'b> where 'a: 'b; type C where Self: Clone; + fn d() where Self: Clone; } #[derive(Copy, Clone)] @@ -19,6 +20,8 @@ impl Foo for Fooy { //~| ERROR lifetime bound not satisfied type C where Self: Copy = String; //~^ ERROR the trait bound `T: Copy` is not satisfied + fn d() where Self: Copy {} + //~^ ERROR the trait bound `T: Copy` is not satisfied } fn main() {} diff --git a/src/test/ui/generic-associated-types/impl_bounds.stderr b/src/test/ui/generic-associated-types/impl_bounds.stderr index 645d29271456..58bcb13e68eb 100644 --- a/src/test/ui/generic-associated-types/impl_bounds.stderr +++ b/src/test/ui/generic-associated-types/impl_bounds.stderr @@ -1,5 +1,5 @@ error[E0310]: the parameter type `T` may not live long enough - --> $DIR/impl_bounds.rs:15:5 + --> $DIR/impl_bounds.rs:16:5 | LL | type A<'a> where Self: 'static = (&'a ()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -8,53 +8,80 @@ LL | type A<'a> where Self: 'static = (&'a ()); = note: ...so that the type `Fooy` will meet its required lifetime bounds error[E0478]: lifetime bound not satisfied - --> $DIR/impl_bounds.rs:17:5 + --> $DIR/impl_bounds.rs:18:5 | LL | type B<'a, 'b> where 'b: 'a = (&'a(), &'b ()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -note: lifetime parameter instantiated with the lifetime `'b` as defined on the associated item at 17:16 - --> $DIR/impl_bounds.rs:17:16 +note: lifetime parameter instantiated with the lifetime `'b` as defined on the associated item at 18:16 + --> $DIR/impl_bounds.rs:18:16 | LL | type B<'a, 'b> where 'b: 'a = (&'a(), &'b ()); | ^^ -note: but lifetime parameter must outlive the lifetime `'a` as defined on the associated item at 17:12 - --> $DIR/impl_bounds.rs:17:12 +note: but lifetime parameter must outlive the lifetime `'a` as defined on the associated item at 18:12 + --> $DIR/impl_bounds.rs:18:12 | LL | type B<'a, 'b> where 'b: 'a = (&'a(), &'b ()); | ^^ error[E0478]: lifetime bound not satisfied - --> $DIR/impl_bounds.rs:17:5 + --> $DIR/impl_bounds.rs:18:5 | LL | type B<'a, 'b> where 'b: 'a = (&'a(), &'b ()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -note: lifetime parameter instantiated with the lifetime `'a` as defined on the associated item at 17:12 - --> $DIR/impl_bounds.rs:17:12 +note: lifetime parameter instantiated with the lifetime `'a` as defined on the associated item at 18:12 + --> $DIR/impl_bounds.rs:18:12 | LL | type B<'a, 'b> where 'b: 'a = (&'a(), &'b ()); | ^^ -note: but lifetime parameter must outlive the lifetime `'b` as defined on the associated item at 17:16 - --> $DIR/impl_bounds.rs:17:16 +note: but lifetime parameter must outlive the lifetime `'b` as defined on the associated item at 18:16 + --> $DIR/impl_bounds.rs:18:16 | LL | type B<'a, 'b> where 'b: 'a = (&'a(), &'b ()); | ^^ error[E0277]: the trait bound `T: Copy` is not satisfied - --> $DIR/impl_bounds.rs:20:5 + --> $DIR/impl_bounds.rs:21:5 | LL | type C where Self: Copy = String; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T` | = note: required because of the requirements on the impl of `Copy` for `Fooy` - = note: the requirement `Fooy: Copy` appears on the associated impl type but not on the corresponding associated trait type +note: the requirement `Fooy: Copy` appears on the associated impl type `C` but not on the corresponding associated trait type + --> $DIR/impl_bounds.rs:8:5 + | +LL | trait Foo { + | --- in this trait +... +LL | type C where Self: Clone; + | ^^^^^^^^^^^^^^^^^^^^^^^^^ this trait associated type doesn't have the requirement `Fooy: Copy` +help: consider restricting type parameter `T` + | +LL | impl Foo for Fooy { + | ^^^^^^^^^^^^^^^^^^^ + +error[E0277]: the trait bound `T: Copy` is not satisfied + --> $DIR/impl_bounds.rs:23:5 + | +LL | fn d() where Self: Copy {} + | ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T` + | + = note: required because of the requirements on the impl of `Copy` for `Fooy` +note: the requirement `Fooy: Copy` appears on the impl method `d` but not on the corresponding trait method + --> $DIR/impl_bounds.rs:9:8 + | +LL | trait Foo { + | --- in this trait +... +LL | fn d() where Self: Clone; + | ^ this trait method doesn't have the requirement `Fooy: Copy` help: consider restricting type parameter `T` | -LL | impl Foo for Fooy { - | ^^^^^^ +LL | impl Foo for Fooy { + | ^^^^^^^^^^^^^^^^^^^ -error: aborting due to 4 previous errors +error: aborting due to 5 previous errors Some errors have detailed explanations: E0277, E0310, E0478. For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/generic-associated-types/issue-68641-check-gat-bounds.stderr b/src/test/ui/generic-associated-types/issue-68641-check-gat-bounds.stderr index b380f0da2ea4..c92800c3746a 100644 --- a/src/test/ui/generic-associated-types/issue-68641-check-gat-bounds.stderr +++ b/src/test/ui/generic-associated-types/issue-68641-check-gat-bounds.stderr @@ -18,8 +18,8 @@ LL | type Item<'a> = T; | help: consider restricting type parameter `T` | -LL | impl UnsafeCopy for T { - | ^^^^^^ +LL | impl UnsafeCopy for T { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr b/src/test/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr index 61950478c32a..e44547b10c17 100644 --- a/src/test/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr +++ b/src/test/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr @@ -19,8 +19,8 @@ LL | type F<'a> = Self; = note: wrap the `T` in a closure with no arguments: `|| { /* code */ }` help: consider restricting type parameter `T` | -LL | impl> Fun for T { - | ^^^^^^^^ +LL | impl> Fun for T { + | ^^^^^^^^^^^^^^^^^^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/generic-associated-types/issue-68643-broken-mir.stderr b/src/test/ui/generic-associated-types/issue-68643-broken-mir.stderr index 13980618987b..fd0b4733d935 100644 --- a/src/test/ui/generic-associated-types/issue-68643-broken-mir.stderr +++ b/src/test/ui/generic-associated-types/issue-68643-broken-mir.stderr @@ -19,8 +19,8 @@ LL | type F<'a> = Self; = note: wrap the `T` in a closure with no arguments: `|| { /* code */ }` help: consider restricting type parameter `T` | -LL | impl> Fun for T { - | ^^^^^^^^ +LL | impl> Fun for T { + | ^^^^^^^^^^^^^^^^^^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/generic-associated-types/issue-68644-codegen-selection.stderr b/src/test/ui/generic-associated-types/issue-68644-codegen-selection.stderr index 811242514695..0c23c870f010 100644 --- a/src/test/ui/generic-associated-types/issue-68644-codegen-selection.stderr +++ b/src/test/ui/generic-associated-types/issue-68644-codegen-selection.stderr @@ -19,8 +19,8 @@ LL | type F<'a> = Self; = note: wrap the `T` in a closure with no arguments: `|| { /* code */ }` help: consider restricting type parameter `T` | -LL | impl> Fun for T { - | ^^^^^^^^ +LL | impl> Fun for T { + | ^^^^^^^^^^^^^^^^^^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr b/src/test/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr index 22f50b394982..85d8d3f8e936 100644 --- a/src/test/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr +++ b/src/test/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr @@ -19,8 +19,8 @@ LL | type F<'a> = Self; = note: wrap the `T` in a closure with no arguments: `|| { /* code */ }` help: consider restricting type parameter `T` | -LL | impl> Fun for T { - | ^^^^^^^^ +LL | impl> Fun for T { + | ^^^^^^^^^^^^^^^^^^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/generic-associated-types/issue-74824.stderr b/src/test/ui/generic-associated-types/issue-74824.stderr index 34a2c1932ebc..7a7b5fd4f1c5 100644 --- a/src/test/ui/generic-associated-types/issue-74824.stderr +++ b/src/test/ui/generic-associated-types/issue-74824.stderr @@ -19,8 +19,8 @@ LL | type Copy: Copy = Box; = note: required because of the requirements on the impl of `Clone` for `Box` help: consider restricting type parameter `T` | -LL | type Copy: Copy = Box; - | ^^^^^^^ +LL | type Copy: Copy = Box; + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/hrtb/complex.rs b/src/test/ui/hrtb/complex.rs new file mode 100644 index 000000000000..8cdfe247e025 --- /dev/null +++ b/src/test/ui/hrtb/complex.rs @@ -0,0 +1,28 @@ +// check-pass + +trait A<'a> {} +trait B<'b> {} +fn foo() where for<'a> T: A<'a> + 'a {} +trait C<'c>: for<'a> A<'a> + for<'b> B<'b> { + type As; +} +struct D where T: for<'c> C<'c, As=&'c ()> { + t: std::marker::PhantomData, +} +trait E<'e, 'g> { + type As; +} +trait F<'f>: for<'a> A<'a> + for<'e> E<'e, 'f> {} +struct G where T: for<'f> F<'f, As=&'f ()> { + t: std::marker::PhantomData, +} +trait H<'a, 'b> { + type As; +} +trait I<'a>: for<'b> H<'a, 'b> {} + +struct J where T: for<'i> I<'i, As=&'i ()> { + t: std::marker::PhantomData, +} + +fn main() {} diff --git a/src/test/ui/hrtb/issue-62203-hrtb-ice.stderr b/src/test/ui/hrtb/issue-62203-hrtb-ice.stderr index 2342a4f6e172..7b81beeed416 100644 --- a/src/test/ui/hrtb/issue-62203-hrtb-ice.stderr +++ b/src/test/ui/hrtb/issue-62203-hrtb-ice.stderr @@ -15,7 +15,11 @@ error[E0271]: type mismatch resolving `<[closure@$DIR/issue-62203-hrtb-ice.rs:42 LL | let v = Unit2.m( | ^ expected struct `Unit4`, found struct `Unit3` | - = note: required because of the requirements on the impl of `for<'r> T0<'r, (>::V,)>` for `L<[closure@$DIR/issue-62203-hrtb-ice.rs:42:17: 42:39]>` +note: required because of the requirements on the impl of `for<'r> T0<'r, (>::V,)>` for `L<[closure@$DIR/issue-62203-hrtb-ice.rs:42:17: 42:39]>` + --> $DIR/issue-62203-hrtb-ice.rs:17:16 + | +LL | impl<'a, A, T> T0<'a, A> for L + | ^^^^^^^^^ ^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/impl-trait/auto-trait.full_tait.stderr b/src/test/ui/impl-trait/auto-trait.full_tait.stderr index 7ac08ab49212..314617748b0b 100644 --- a/src/test/ui/impl-trait/auto-trait.full_tait.stderr +++ b/src/test/ui/impl-trait/auto-trait.full_tait.stderr @@ -7,7 +7,7 @@ LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] = note: `#[warn(incomplete_features)]` on by default = note: see issue #63063 for more information -error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D`: +error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D` --> $DIR/auto-trait.rs:24:1 | LL | impl AnotherTrait for T {} diff --git a/src/test/ui/impl-trait/auto-trait.min_tait.stderr b/src/test/ui/impl-trait/auto-trait.min_tait.stderr index a497dd67e9e0..75a5b0cb87db 100644 --- a/src/test/ui/impl-trait/auto-trait.min_tait.stderr +++ b/src/test/ui/impl-trait/auto-trait.min_tait.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D`: +error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D` --> $DIR/auto-trait.rs:24:1 | LL | impl AnotherTrait for T {} diff --git a/src/test/ui/impl-trait/bound-normalization-fail.rs b/src/test/ui/impl-trait/bound-normalization-fail.rs index 5bf3ec733f5d..d3056fb88512 100644 --- a/src/test/ui/impl-trait/bound-normalization-fail.rs +++ b/src/test/ui/impl-trait/bound-normalization-fail.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // edition:2018 #![feature(impl_trait_in_bindings)] diff --git a/src/test/ui/impl-trait/bound-normalization-fail.stderr b/src/test/ui/impl-trait/bound-normalization-fail.stderr index a7d06c71663d..ba3a2e7f8d4c 100644 --- a/src/test/ui/impl-trait/bound-normalization-fail.stderr +++ b/src/test/ui/impl-trait/bound-normalization-fail.stderr @@ -1,5 +1,5 @@ warning: the feature `impl_trait_in_bindings` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/bound-normalization-fail.rs:4:12 + --> $DIR/bound-normalization-fail.rs:3:12 | LL | #![feature(impl_trait_in_bindings)] | ^^^^^^^^^^^^^^^^^^^^^^ @@ -8,32 +8,32 @@ LL | #![feature(impl_trait_in_bindings)] = note: see issue #63065 for more information error[E0271]: type mismatch resolving ` as FooLike>::Output == ::Assoc` - --> $DIR/bound-normalization-fail.rs:27:32 + --> $DIR/bound-normalization-fail.rs:26:32 | LL | fn foo_fail() -> impl FooLike { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected associated type, found `()` | - = note: expected type `()` - found associated type `::Assoc` + = note: expected associated type `::Assoc` + found type `()` help: consider constraining the associated type `::Assoc` to `()` | LL | fn foo_fail>() -> impl FooLike { | ^^^^^^^^^^^^ error[E0760]: `impl Trait` return type cannot contain a projection or `Self` that references lifetimes from a parent scope - --> $DIR/bound-normalization-fail.rs:43:41 + --> $DIR/bound-normalization-fail.rs:42:41 | LL | fn foo2_fail<'a, T: Trait<'a>>() -> impl FooLike { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0271]: type mismatch resolving ` as FooLike>::Output == >::Assoc` - --> $DIR/bound-normalization-fail.rs:43:41 + --> $DIR/bound-normalization-fail.rs:42:41 | LL | fn foo2_fail<'a, T: Trait<'a>>() -> impl FooLike { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected associated type, found `()` | - = note: expected type `()` - found associated type `>::Assoc` + = note: expected associated type `>::Assoc` + found type `()` help: consider constraining the associated type `>::Assoc` to `()` | LL | fn foo2_fail<'a, T: Trait<'a, Assoc = ()>>() -> impl FooLike { diff --git a/src/test/ui/impl-trait/equality2.stderr b/src/test/ui/impl-trait/equality2.stderr index 1443b76048b3..3318866c52cf 100644 --- a/src/test/ui/impl-trait/equality2.stderr +++ b/src/test/ui/impl-trait/equality2.stderr @@ -35,8 +35,10 @@ LL | let _: i32 = Leak::leak(hide(0_i32)); | = note: expected type `i32` found associated type `::T` - = help: consider constraining the associated type `::T` to `i32` - = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html +help: consider constraining the associated type `::T` to `i32` + | +LL | fn hide(x: T) -> impl Foo { + | ^^^^^^^^^ error[E0308]: mismatched types --> $DIR/equality2.rs:38:10 diff --git a/src/test/ui/impl-trait/issue-55872-1.full_tait.stderr b/src/test/ui/impl-trait/issue-55872-1.full_tait.stderr index 5195333884a8..286dd7aafb43 100644 --- a/src/test/ui/impl-trait/issue-55872-1.full_tait.stderr +++ b/src/test/ui/impl-trait/issue-55872-1.full_tait.stderr @@ -1,5 +1,5 @@ warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/issue-55872-1.rs:4:32 + --> $DIR/issue-55872-1.rs:3:32 | LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] | ^^^^^^^^^^^^^^^^^^^^^ @@ -8,7 +8,7 @@ LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] = note: see issue #63063 for more information error[E0276]: impl has stricter requirements than trait - --> $DIR/issue-55872-1.rs:18:5 + --> $DIR/issue-55872-1.rs:17:5 | LL | fn foo() -> Self::E; | ----------------------- definition of `foo` from trait @@ -17,7 +17,7 @@ LL | fn foo() -> Self::E { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `T: Default` error[E0277]: the trait bound `S: Copy` is not satisfied in `(S, T)` - --> $DIR/issue-55872-1.rs:14:14 + --> $DIR/issue-55872-1.rs:13:14 | LL | type E = impl Copy; | ^^^^^^^^^ within `(S, T)`, the trait `Copy` is not implemented for `S` @@ -25,11 +25,11 @@ LL | type E = impl Copy; = note: required because it appears within the type `(S, T)` help: consider further restricting this bound | -LL | impl Bar for S { - | ^^^^^^ +LL | impl Bar for S { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: the trait bound `T: Copy` is not satisfied in `(S, T)` - --> $DIR/issue-55872-1.rs:14:14 + --> $DIR/issue-55872-1.rs:13:14 | LL | type E = impl Copy; | ^^^^^^^^^ within `(S, T)`, the trait `Copy` is not implemented for `T` @@ -37,11 +37,11 @@ LL | type E = impl Copy; = note: required because it appears within the type `(S, T)` help: consider further restricting this bound | -LL | fn foo() -> Self::E { - | ^^^^^^ +LL | fn foo() -> Self::E { + | ^^^^^^^^^^^^^^^^^^^ error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-55872-1.rs:18:37 + --> $DIR/issue-55872-1.rs:17:37 | LL | fn foo() -> Self::E { | _____________________________________^ diff --git a/src/test/ui/impl-trait/issue-55872-1.min_tait.stderr b/src/test/ui/impl-trait/issue-55872-1.min_tait.stderr index 26fc200c2a2d..653299f4cbce 100644 --- a/src/test/ui/impl-trait/issue-55872-1.min_tait.stderr +++ b/src/test/ui/impl-trait/issue-55872-1.min_tait.stderr @@ -1,5 +1,5 @@ error[E0276]: impl has stricter requirements than trait - --> $DIR/issue-55872-1.rs:18:5 + --> $DIR/issue-55872-1.rs:17:5 | LL | fn foo() -> Self::E; | ----------------------- definition of `foo` from trait @@ -8,7 +8,7 @@ LL | fn foo() -> Self::E { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `T: Default` error[E0277]: the trait bound `S: Copy` is not satisfied in `(S, T)` - --> $DIR/issue-55872-1.rs:14:14 + --> $DIR/issue-55872-1.rs:13:14 | LL | type E = impl Copy; | ^^^^^^^^^ within `(S, T)`, the trait `Copy` is not implemented for `S` @@ -16,11 +16,11 @@ LL | type E = impl Copy; = note: required because it appears within the type `(S, T)` help: consider further restricting this bound | -LL | impl Bar for S { - | ^^^^^^ +LL | impl Bar for S { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: the trait bound `T: Copy` is not satisfied in `(S, T)` - --> $DIR/issue-55872-1.rs:14:14 + --> $DIR/issue-55872-1.rs:13:14 | LL | type E = impl Copy; | ^^^^^^^^^ within `(S, T)`, the trait `Copy` is not implemented for `T` @@ -28,11 +28,11 @@ LL | type E = impl Copy; = note: required because it appears within the type `(S, T)` help: consider further restricting this bound | -LL | fn foo() -> Self::E { - | ^^^^^^ +LL | fn foo() -> Self::E { + | ^^^^^^^^^^^^^^^^^^^ error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-55872-1.rs:18:37 + --> $DIR/issue-55872-1.rs:17:37 | LL | fn foo() -> Self::E { | _____________________________________^ diff --git a/src/test/ui/impl-trait/issue-55872-1.rs b/src/test/ui/impl-trait/issue-55872-1.rs index e5e437cd84b6..a9e9c9b5bebe 100644 --- a/src/test/ui/impl-trait/issue-55872-1.rs +++ b/src/test/ui/impl-trait/issue-55872-1.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // revisions: min_tait full_tait #![feature(min_type_alias_impl_trait)] #![cfg_attr(full_tait, feature(type_alias_impl_trait))] diff --git a/src/test/ui/impl-trait/issue-55872-2.full_tait.stderr b/src/test/ui/impl-trait/issue-55872-2.full_tait.stderr index 14a5c0ba97e3..a8fc681a093d 100644 --- a/src/test/ui/impl-trait/issue-55872-2.full_tait.stderr +++ b/src/test/ui/impl-trait/issue-55872-2.full_tait.stderr @@ -1,5 +1,5 @@ warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/issue-55872-2.rs:7:32 + --> $DIR/issue-55872-2.rs:6:32 | LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] | ^^^^^^^^^^^^^^^^^^^^^ @@ -8,13 +8,13 @@ LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] = note: see issue #63063 for more information error[E0277]: the trait bound `impl Future: Copy` is not satisfied - --> $DIR/issue-55872-2.rs:17:14 + --> $DIR/issue-55872-2.rs:16:14 | LL | type E = impl std::marker::Copy; | ^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `impl Future` error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-55872-2.rs:19:28 + --> $DIR/issue-55872-2.rs:18:28 | LL | fn foo() -> Self::E { | ____________________________^ diff --git a/src/test/ui/impl-trait/issue-55872-2.min_tait.stderr b/src/test/ui/impl-trait/issue-55872-2.min_tait.stderr index c8df502345a3..57f81443dccd 100644 --- a/src/test/ui/impl-trait/issue-55872-2.min_tait.stderr +++ b/src/test/ui/impl-trait/issue-55872-2.min_tait.stderr @@ -1,11 +1,11 @@ error[E0277]: the trait bound `impl Future: Copy` is not satisfied - --> $DIR/issue-55872-2.rs:17:14 + --> $DIR/issue-55872-2.rs:16:14 | LL | type E = impl std::marker::Copy; | ^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `impl Future` error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-55872-2.rs:19:28 + --> $DIR/issue-55872-2.rs:18:28 | LL | fn foo() -> Self::E { | ____________________________^ diff --git a/src/test/ui/impl-trait/issue-55872-2.rs b/src/test/ui/impl-trait/issue-55872-2.rs index 9c2e9b860c4b..cd72b2eec3cf 100644 --- a/src/test/ui/impl-trait/issue-55872-2.rs +++ b/src/test/ui/impl-trait/issue-55872-2.rs @@ -1,5 +1,4 @@ // edition:2018 -// ignore-tidy-linelength // ignore-compare-mode-chalk // revisions: min_tait full_tait diff --git a/src/test/ui/impl-trait/issue-55872.full_tait.stderr b/src/test/ui/impl-trait/issue-55872.full_tait.stderr index 5a35689a7372..e549fec1c229 100644 --- a/src/test/ui/impl-trait/issue-55872.full_tait.stderr +++ b/src/test/ui/impl-trait/issue-55872.full_tait.stderr @@ -1,5 +1,5 @@ warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/issue-55872.rs:5:32 + --> $DIR/issue-55872.rs:4:32 | LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] | ^^^^^^^^^^^^^^^^^^^^^ @@ -8,7 +8,7 @@ LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] = note: see issue #63063 for more information error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-55872.rs:17:28 + --> $DIR/issue-55872.rs:16:28 | LL | fn foo() -> Self::E { | ____________________________^ diff --git a/src/test/ui/impl-trait/issue-55872.min_tait.stderr b/src/test/ui/impl-trait/issue-55872.min_tait.stderr index 9baf28346438..341dba95cad8 100644 --- a/src/test/ui/impl-trait/issue-55872.min_tait.stderr +++ b/src/test/ui/impl-trait/issue-55872.min_tait.stderr @@ -1,5 +1,5 @@ error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-55872.rs:17:28 + --> $DIR/issue-55872.rs:16:28 | LL | fn foo() -> Self::E { | ____________________________^ diff --git a/src/test/ui/impl-trait/issue-55872.rs b/src/test/ui/impl-trait/issue-55872.rs index 9a31cf521b38..e3fc523feccb 100644 --- a/src/test/ui/impl-trait/issue-55872.rs +++ b/src/test/ui/impl-trait/issue-55872.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // ignore-compare-mode-chalk // revisions: min_tait full_tait #![feature(min_type_alias_impl_trait)] diff --git a/src/test/ui/impl-trait/issues/issue-70877.full_tait.stderr b/src/test/ui/impl-trait/issues/issue-70877.full_tait.stderr index bd4d4fdf2a6b..8e42b9d46db3 100644 --- a/src/test/ui/impl-trait/issues/issue-70877.full_tait.stderr +++ b/src/test/ui/impl-trait/issues/issue-70877.full_tait.stderr @@ -2,13 +2,13 @@ error[E0271]: type mismatch resolving `::Item == Box<(dyn for<' --> $DIR/issue-70877.rs:11:12 | LL | type FooRet = impl std::fmt::Debug; - | -------------------- the expected opaque type + | -------------------- the found opaque type ... LL | type Foo = impl Iterator; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected opaque type, found enum `Option` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found opaque type | - = note: expected struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> impl Debug + 'static)>` - found struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> Option + 'static)>` + = note: expected struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> Option + 'static)>` + found struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> impl Debug + 'static)>` error: aborting due to previous error diff --git a/src/test/ui/impl-trait/issues/issue-70877.min_tait.stderr b/src/test/ui/impl-trait/issues/issue-70877.min_tait.stderr index bd4d4fdf2a6b..8e42b9d46db3 100644 --- a/src/test/ui/impl-trait/issues/issue-70877.min_tait.stderr +++ b/src/test/ui/impl-trait/issues/issue-70877.min_tait.stderr @@ -2,13 +2,13 @@ error[E0271]: type mismatch resolving `::Item == Box<(dyn for<' --> $DIR/issue-70877.rs:11:12 | LL | type FooRet = impl std::fmt::Debug; - | -------------------- the expected opaque type + | -------------------- the found opaque type ... LL | type Foo = impl Iterator; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected opaque type, found enum `Option` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found opaque type | - = note: expected struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> impl Debug + 'static)>` - found struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> Option + 'static)>` + = note: expected struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> Option + 'static)>` + found struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> impl Debug + 'static)>` error: aborting due to previous error diff --git a/src/test/ui/impl-trait/issues/issue-83929-impl-trait-in-generic-default.rs b/src/test/ui/impl-trait/issues/issue-83929-impl-trait-in-generic-default.rs new file mode 100644 index 000000000000..d9d2e3929b10 --- /dev/null +++ b/src/test/ui/impl-trait/issues/issue-83929-impl-trait-in-generic-default.rs @@ -0,0 +1,12 @@ +struct Foo(T); +//~^ ERROR `impl Trait` not allowed outside of function and inherent method return types + +type Result = std::result::Result; +//~^ ERROR `impl Trait` not allowed outside of function and inherent method return types + +// should not cause ICE +fn x() -> Foo { + Foo(0) +} + +fn main() -> Result<()> {} diff --git a/src/test/ui/impl-trait/issues/issue-83929-impl-trait-in-generic-default.stderr b/src/test/ui/impl-trait/issues/issue-83929-impl-trait-in-generic-default.stderr new file mode 100644 index 000000000000..eef6844adfcc --- /dev/null +++ b/src/test/ui/impl-trait/issues/issue-83929-impl-trait-in-generic-default.stderr @@ -0,0 +1,15 @@ +error[E0562]: `impl Trait` not allowed outside of function and inherent method return types + --> $DIR/issue-83929-impl-trait-in-generic-default.rs:1:16 + | +LL | struct Foo(T); + | ^^^^^^^^^ + +error[E0562]: `impl Trait` not allowed outside of function and inherent method return types + --> $DIR/issue-83929-impl-trait-in-generic-default.rs:4:20 + | +LL | type Result = std::result::Result; + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0562`. diff --git a/src/test/ui/impl-trait/negative-reasoning.full_tait.stderr b/src/test/ui/impl-trait/negative-reasoning.full_tait.stderr index 2611205893f4..bccbc8cb36b1 100644 --- a/src/test/ui/impl-trait/negative-reasoning.full_tait.stderr +++ b/src/test/ui/impl-trait/negative-reasoning.full_tait.stderr @@ -7,7 +7,7 @@ LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] = note: `#[warn(incomplete_features)]` on by default = note: see issue #63063 for more information -error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D`: +error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D` --> $DIR/negative-reasoning.rs:22:1 | LL | impl AnotherTrait for T {} diff --git a/src/test/ui/impl-trait/negative-reasoning.min_tait.stderr b/src/test/ui/impl-trait/negative-reasoning.min_tait.stderr index bd74b56fecc1..5727a372ddbe 100644 --- a/src/test/ui/impl-trait/negative-reasoning.min_tait.stderr +++ b/src/test/ui/impl-trait/negative-reasoning.min_tait.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D`: +error[E0119]: conflicting implementations of trait `AnotherTrait` for type `D` --> $DIR/negative-reasoning.rs:22:1 | LL | impl AnotherTrait for T {} diff --git a/src/test/ui/impl-trait/projection-mismatch-in-impl-where-clause.rs b/src/test/ui/impl-trait/projection-mismatch-in-impl-where-clause.rs new file mode 100644 index 000000000000..b4fd6b3e7436 --- /dev/null +++ b/src/test/ui/impl-trait/projection-mismatch-in-impl-where-clause.rs @@ -0,0 +1,20 @@ +pub trait Super { + type Assoc; +} + +impl Super for () { + type Assoc = u8; +} + +pub trait Test {} + +impl Test for T where T: Super {} + +fn test() -> impl Test { + //~^ERROR type mismatch resolving `<() as Super>::Assoc == ()` + () +} + +fn main() { + let a = test(); +} diff --git a/src/test/ui/impl-trait/projection-mismatch-in-impl-where-clause.stderr b/src/test/ui/impl-trait/projection-mismatch-in-impl-where-clause.stderr new file mode 100644 index 000000000000..54eb5a96c9d8 --- /dev/null +++ b/src/test/ui/impl-trait/projection-mismatch-in-impl-where-clause.stderr @@ -0,0 +1,15 @@ +error[E0271]: type mismatch resolving `<() as Super>::Assoc == ()` + --> $DIR/projection-mismatch-in-impl-where-clause.rs:13:14 + | +LL | fn test() -> impl Test { + | ^^^^^^^^^ expected `()`, found `u8` + | +note: required because of the requirements on the impl of `Test` for `()` + --> $DIR/projection-mismatch-in-impl-where-clause.rs:11:9 + | +LL | impl Test for T where T: Super {} + | ^^^^ ^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/impl-trait/where-allowed.rs b/src/test/ui/impl-trait/where-allowed.rs index 72b880fb92c6..c3e21c81f03b 100644 --- a/src/test/ui/impl-trait/where-allowed.rs +++ b/src/test/ui/impl-trait/where-allowed.rs @@ -56,12 +56,10 @@ fn in_impl_Fn_return_in_parameters(_: &impl Fn() -> impl Debug) { panic!() } fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() } //~^ ERROR `impl Trait` not allowed outside of function and inherent method return types //~| ERROR nested `impl Trait` is not allowed -//~| ERROR cannot resolve opaque type // Disallowed fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { panic!() } //~^ ERROR `impl Trait` not allowed outside of function and inherent method return types -//~| ERROR cannot resolve opaque type // Disallowed fn in_Fn_parameter_in_generics (_: F) { panic!() } @@ -120,7 +118,6 @@ trait DummyTrait { impl DummyTrait for () { type Out = impl Debug; //~^ ERROR `impl Trait` in type aliases is unstable - //~^^ ERROR could not find defining uses fn in_trait_impl_parameter(_: impl Debug) { } // Allowed @@ -156,7 +153,6 @@ extern "C" fn in_extern_fn_return() -> impl Debug { type InTypeAlias = impl Debug; //~^ ERROR `impl Trait` in type aliases is unstable -//~^^ ERROR could not find defining uses type InReturnInTypeAlias = fn() -> impl Debug; //~^ ERROR `impl Trait` not allowed outside of function and inherent method return types @@ -218,6 +214,34 @@ fn in_Fn_return_in_fn_where_clause() { } +// Disallowed +struct InStructGenericParamDefault(T); +//~^ ERROR `impl Trait` not allowed outside of function and inherent method return types + +// Disallowed +enum InEnumGenericParamDefault { Variant(T) } +//~^ ERROR `impl Trait` not allowed outside of function and inherent method return types + +// Disallowed +trait InTraitGenericParamDefault {} +//~^ ERROR `impl Trait` not allowed outside of function and inherent method return types + +// Disallowed +type InTypeAliasGenericParamDefault = T; +//~^ ERROR `impl Trait` not allowed outside of function and inherent method return types + +// Disallowed +impl T {} +//~^ ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +//~| WARNING this was previously accepted by the compiler but is being phased out +//~| ERROR `impl Trait` not allowed outside of function and inherent method return types + +// Disallowed +fn in_method_generic_param_default(_: T) {} +//~^ ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +//~| WARNING this was previously accepted by the compiler but is being phased out +//~| ERROR `impl Trait` not allowed outside of function and inherent method return types + fn main() { let _in_local_variable: impl Fn() = || {}; //~^ ERROR `impl Trait` not allowed outside of function and inherent method return types diff --git a/src/test/ui/impl-trait/where-allowed.stderr b/src/test/ui/impl-trait/where-allowed.stderr index 3fdeddc0a86e..09ec4d5b202c 100644 --- a/src/test/ui/impl-trait/where-allowed.stderr +++ b/src/test/ui/impl-trait/where-allowed.stderr @@ -17,7 +17,7 @@ LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic | outer `impl Trait` error[E0658]: `impl Trait` in type aliases is unstable - --> $DIR/where-allowed.rs:121:16 + --> $DIR/where-allowed.rs:119:16 | LL | type Out = impl Debug; | ^^^^^^^^^^ @@ -26,7 +26,7 @@ LL | type Out = impl Debug; = help: add `#![feature(min_type_alias_impl_trait)]` to the crate attributes to enable error[E0658]: `impl Trait` in type aliases is unstable - --> $DIR/where-allowed.rs:157:23 + --> $DIR/where-allowed.rs:154:23 | LL | type InTypeAlias = impl Debug; | ^^^^^^^^^^ @@ -35,7 +35,7 @@ LL | type InTypeAlias = impl Debug; = help: add `#![feature(min_type_alias_impl_trait)]` to the crate attributes to enable error[E0658]: `impl Trait` in type aliases is unstable - --> $DIR/where-allowed.rs:161:39 + --> $DIR/where-allowed.rs:157:39 | LL | type InReturnInTypeAlias = fn() -> impl Debug; | ^^^^^^^^^^ @@ -110,139 +110,175 @@ LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:62:59 + --> $DIR/where-allowed.rs:61:59 | LL | fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:67:38 + --> $DIR/where-allowed.rs:65:38 | LL | fn in_Fn_parameter_in_generics (_: F) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:71:40 + --> $DIR/where-allowed.rs:69:40 | LL | fn in_Fn_return_in_generics impl Debug> (_: F) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:84:32 + --> $DIR/where-allowed.rs:82:32 | LL | struct InBraceStructField { x: impl Debug } | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:88:41 + --> $DIR/where-allowed.rs:86:41 | LL | struct InAdtInBraceStructField { x: Vec } | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:92:27 + --> $DIR/where-allowed.rs:90:27 | LL | struct InTupleStructField(impl Debug); | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:97:25 + --> $DIR/where-allowed.rs:95:25 | LL | InBraceVariant { x: impl Debug }, | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:99:20 + --> $DIR/where-allowed.rs:97:20 | LL | InTupleVariant(impl Debug), | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:110:23 + --> $DIR/where-allowed.rs:108:23 | LL | fn in_return() -> impl Debug; | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:128:34 + --> $DIR/where-allowed.rs:125:34 | LL | fn in_trait_impl_return() -> impl Debug { () } | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:141:33 + --> $DIR/where-allowed.rs:138:33 | LL | fn in_foreign_parameters(_: impl Debug); | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:144:31 + --> $DIR/where-allowed.rs:141:31 | LL | fn in_foreign_return() -> impl Debug; | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:161:39 + --> $DIR/where-allowed.rs:157:39 | LL | type InReturnInTypeAlias = fn() -> impl Debug; | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:166:16 + --> $DIR/where-allowed.rs:162:16 | LL | impl PartialEq for () { | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:171:24 + --> $DIR/where-allowed.rs:167:24 | LL | impl PartialEq<()> for impl Debug { | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:176:6 + --> $DIR/where-allowed.rs:172:6 | LL | impl impl Debug { | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:182:24 + --> $DIR/where-allowed.rs:178:24 | LL | impl InInherentImplAdt { | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:188:11 + --> $DIR/where-allowed.rs:184:11 | LL | where impl Debug: Debug | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:195:15 + --> $DIR/where-allowed.rs:191:15 | LL | where Vec: Debug | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:202:24 + --> $DIR/where-allowed.rs:198:24 | LL | where T: PartialEq | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:209:17 + --> $DIR/where-allowed.rs:205:17 | LL | where T: Fn(impl Debug) | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:216:22 + --> $DIR/where-allowed.rs:212:22 | LL | where T: Fn() -> impl Debug | ^^^^^^^^^^ error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:222:29 + --> $DIR/where-allowed.rs:218:40 + | +LL | struct InStructGenericParamDefault(T); + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` not allowed outside of function and inherent method return types + --> $DIR/where-allowed.rs:222:36 + | +LL | enum InEnumGenericParamDefault { Variant(T) } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` not allowed outside of function and inherent method return types + --> $DIR/where-allowed.rs:226:38 + | +LL | trait InTraitGenericParamDefault {} + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` not allowed outside of function and inherent method return types + --> $DIR/where-allowed.rs:230:41 + | +LL | type InTypeAliasGenericParamDefault = T; + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` not allowed outside of function and inherent method return types + --> $DIR/where-allowed.rs:234:11 + | +LL | impl T {} + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` not allowed outside of function and inherent method return types + --> $DIR/where-allowed.rs:240:40 + | +LL | fn in_method_generic_param_default(_: T) {} + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` not allowed outside of function and inherent method return types + --> $DIR/where-allowed.rs:246:29 | LL | let _in_local_variable: impl Fn() = || {}; | ^^^^^^^^^ @@ -250,44 +286,31 @@ LL | let _in_local_variable: impl Fn() = || {}; = help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable error[E0562]: `impl Trait` not allowed outside of function and inherent method return types - --> $DIR/where-allowed.rs:224:46 + --> $DIR/where-allowed.rs:248:46 | LL | let _in_return_in_local_variable = || -> impl Fn() { || {} }; | ^^^^^^^^^ -error[E0720]: cannot resolve opaque type - --> $DIR/where-allowed.rs:56:49 - | -LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() } - | ^^^^^^^^^^^^^^^^^^^ -------- this returned value is of `!` type - | | - | cannot resolve opaque type - | - = help: this error will resolve once the item's body returns a concrete type - -error[E0720]: cannot resolve opaque type - --> $DIR/where-allowed.rs:62:46 +error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + --> $DIR/where-allowed.rs:234:7 | -LL | fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { panic!() } - | ^^^^^^^^^^^^^^^^^^^^^^^ -------- this returned value is of `!` type - | | - | cannot resolve opaque type +LL | impl T {} + | ^ | - = help: this error will resolve once the item's body returns a concrete type + = note: `#[deny(invalid_type_param_default)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 -error: could not find defining uses - --> $DIR/where-allowed.rs:121:16 +error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + --> $DIR/where-allowed.rs:240:36 | -LL | type Out = impl Debug; - | ^^^^^^^^^^ - -error: could not find defining uses - --> $DIR/where-allowed.rs:157:23 +LL | fn in_method_generic_param_default(_: T) {} + | ^ | -LL | type InTypeAlias = impl Debug; - | ^^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 -error: aborting due to 44 previous errors +error: aborting due to 48 previous errors -Some errors have detailed explanations: E0562, E0658, E0666, E0720. +Some errors have detailed explanations: E0562, E0658, E0666. For more information about an error, try `rustc --explain E0562`. diff --git a/src/test/ui/imports/extern-prelude-extern-crate-fail.rs b/src/test/ui/imports/extern-prelude-extern-crate-fail.rs index 4a0c61202019..feb1ab09dc9e 100644 --- a/src/test/ui/imports/extern-prelude-extern-crate-fail.rs +++ b/src/test/ui/imports/extern-prelude-extern-crate-fail.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // aux-build:two_macros.rs // compile-flags:--extern non_existent diff --git a/src/test/ui/imports/extern-prelude-extern-crate-fail.stderr b/src/test/ui/imports/extern-prelude-extern-crate-fail.stderr index 2d7a1bf468e3..011ea0205082 100644 --- a/src/test/ui/imports/extern-prelude-extern-crate-fail.stderr +++ b/src/test/ui/imports/extern-prelude-extern-crate-fail.stderr @@ -1,5 +1,5 @@ error: macro-expanded `extern crate` items cannot shadow names passed with `--extern` - --> $DIR/extern-prelude-extern-crate-fail.rs:18:9 + --> $DIR/extern-prelude-extern-crate-fail.rs:16:9 | LL | extern crate std as non_existent; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -10,7 +10,7 @@ LL | define_std_as_non_existent!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error[E0433]: failed to resolve: use of undeclared crate or module `two_macros` - --> $DIR/extern-prelude-extern-crate-fail.rs:12:9 + --> $DIR/extern-prelude-extern-crate-fail.rs:10:9 | LL | two_macros::m!(); | ^^^^^^^^^^ use of undeclared crate or module `two_macros` diff --git a/src/test/ui/in-band-lifetimes/no_introducing_in_band_in_locals.rs b/src/test/ui/in-band-lifetimes/no_introducing_in_band_in_locals.rs index 3b407871e37e..c1c40afdbab5 100644 --- a/src/test/ui/in-band-lifetimes/no_introducing_in_band_in_locals.rs +++ b/src/test/ui/in-band-lifetimes/no_introducing_in_band_in_locals.rs @@ -7,7 +7,7 @@ fn foo(x: &u32) { fn foo2(x: &u32) {} fn bar() { - let y: fn(&'test u32) = foo2; + let y: fn(&'test u32) = foo2; //~ ERROR use of undeclared lifetime } fn main() {} diff --git a/src/test/ui/in-band-lifetimes/no_introducing_in_band_in_locals.stderr b/src/test/ui/in-band-lifetimes/no_introducing_in_band_in_locals.stderr index 7ecb6ff0c9da..a43b49041ec2 100644 --- a/src/test/ui/in-band-lifetimes/no_introducing_in_band_in_locals.stderr +++ b/src/test/ui/in-band-lifetimes/no_introducing_in_band_in_locals.stderr @@ -6,6 +6,22 @@ LL | fn foo(x: &u32) { LL | let y: &'test u32 = x; | ^^^^^ undeclared lifetime -error: aborting due to previous error +error[E0261]: use of undeclared lifetime name `'test` + --> $DIR/no_introducing_in_band_in_locals.rs:10:16 + | +LL | let y: fn(&'test u32) = foo2; + | ^^^^^ undeclared lifetime + | + = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html +help: consider introducing lifetime `'test` here + | +LL | fn bar<'test>() { + | ^^^^^^^ +help: consider making the type lifetime-generic with a new `'test` lifetime + | +LL | let y: for<'test> fn(&'test u32) = foo2; + | ^^^^^^^^^^ + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0261`. diff --git a/src/test/ui/inference/issue-81522.rs b/src/test/ui/inference/issue-81522.rs new file mode 100644 index 000000000000..902f8fdde58e --- /dev/null +++ b/src/test/ui/inference/issue-81522.rs @@ -0,0 +1,31 @@ +// Regression test for #81522. +// Ensures that `#[allow(unstable_name_collisions)]` appended to things other than function +// suppresses the corresponding diagnostics emitted from inside them. +// But note that this attribute doesn't work for macro invocations if it is appended directly. + +// aux-build:inference_unstable_iterator.rs +// aux-build:inference_unstable_itertools.rs +// run-pass + +extern crate inference_unstable_iterator; +extern crate inference_unstable_itertools; + +#[allow(unused_imports)] +use inference_unstable_iterator::IpuIterator; +use inference_unstable_itertools::IpuItertools; + +fn main() { + // expression statement + #[allow(unstable_name_collisions)] + 'x'.ipu_flatten(); + + // let statement + #[allow(unstable_name_collisions)] + let _ = 'x'.ipu_flatten(); + + // block expression + #[allow(unstable_name_collisions)] + { + 'x'.ipu_flatten(); + } +} diff --git a/src/test/ui/inference/issue-83606.rs b/src/test/ui/inference/issue-83606.rs new file mode 100644 index 000000000000..be56a3020cc3 --- /dev/null +++ b/src/test/ui/inference/issue-83606.rs @@ -0,0 +1,10 @@ +// Regression test for #83606. + +fn foo(_: impl std::fmt::Display) -> [usize; N] { + [0; N] +} + +fn main() { + let _ = foo("foo"); //<- Do not suggest `foo::("foo");`! + //~^ ERROR: type annotations needed for `[usize; _]` +} diff --git a/src/test/ui/inference/issue-83606.stderr b/src/test/ui/inference/issue-83606.stderr new file mode 100644 index 000000000000..65f3336b9358 --- /dev/null +++ b/src/test/ui/inference/issue-83606.stderr @@ -0,0 +1,11 @@ +error[E0282]: type annotations needed for `[usize; _]` + --> $DIR/issue-83606.rs:8:13 + | +LL | let _ = foo("foo"); //<- Do not suggest `foo::("foo");`! + | - ^^^ cannot infer the value of const parameter `N` declared on the function `foo` + | | + | consider giving this pattern the explicit type `[usize; _]`, where the type parameter `N` is specified + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0282`. diff --git a/src/test/ui/issue-83639.rs b/src/test/ui/issue-83639.rs new file mode 100644 index 000000000000..6ddbedfa0bc0 --- /dev/null +++ b/src/test/ui/issue-83639.rs @@ -0,0 +1,6 @@ +// check-fail +// ignore-tidy-tab + +fn main() { + """ " //~ ERROR +} diff --git a/src/test/ui/issue-83639.stderr b/src/test/ui/issue-83639.stderr new file mode 100644 index 000000000000..4c10df1917c9 --- /dev/null +++ b/src/test/ui/issue-83639.stderr @@ -0,0 +1,8 @@ +error: expected one of `.`, `;`, `?`, `}`, or an operator, found `" "` + --> $DIR/issue-83639.rs:5:7 + | +LL | """ " + | ^^^^^^ expected one of `.`, `;`, `?`, `}`, or an operator + +error: aborting due to previous error + diff --git a/src/test/ui/issues/issue-15487.rs b/src/test/ui/issues/issue-15487.rs deleted file mode 100644 index 34ac53be5bec..000000000000 --- a/src/test/ui/issues/issue-15487.rs +++ /dev/null @@ -1,13 +0,0 @@ -// run-pass -#![allow(unused_attributes)] -// ignore-windows -// ignore-wasm32-bare no libs to link -// ignore-sgx no libs to link -#![feature(link_args)] - -#[link_args = "-lc -lm"] -#[link_args = " -lc"] -#[link_args = "-lc "] -extern "C" {} - -fn main() {} diff --git a/src/test/ui/issues/issue-18400.stderr b/src/test/ui/issues/issue-18400.stderr index 3bd9c656e8bd..92d53088442e 100644 --- a/src/test/ui/issues/issue-18400.stderr +++ b/src/test/ui/issues/issue-18400.stderr @@ -5,7 +5,11 @@ LL | 0.contains(bits); | ^^^^^^^^ | = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`issue_18400`) - = note: required because of the requirements on the impl of `Set<&[_]>` for `{integer}` +note: required because of the requirements on the impl of `Set<&[_]>` for `{integer}` + --> $DIR/issue-18400.rs:6:16 + | +LL | impl<'a, T, S> Set<&'a [T]> for S where + | ^^^^^^^^^^^^ ^ = note: 128 redundant requirements hidden = note: required because of the requirements on the impl of `Set<&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[&[_]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]>` for `{integer}` diff --git a/src/test/ui/issues/issue-20413.stderr b/src/test/ui/issues/issue-20413.stderr index b167bb77b510..7fb1e3f2bba4 100644 --- a/src/test/ui/issues/issue-20413.stderr +++ b/src/test/ui/issues/issue-20413.stderr @@ -16,7 +16,11 @@ LL | impl Foo for T where NoData: Foo { | ^^^ | = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`issue_20413`) - = note: required because of the requirements on the impl of `Foo` for `NoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` +note: required because of the requirements on the impl of `Foo` for `NoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` + --> $DIR/issue-20413.rs:8:9 + | +LL | impl Foo for T where NoData: Foo { + | ^^^ ^ = note: 127 redundant requirements hidden = note: required because of the requirements on the impl of `Foo` for `NoData` @@ -30,8 +34,16 @@ LL | impl Bar for T where EvenLessData: Baz { | ^^^ | = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`issue_20413`) - = note: required because of the requirements on the impl of `Bar` for `AlmostNoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` - = note: required because of the requirements on the impl of `Baz` for `EvenLessData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` +note: required because of the requirements on the impl of `Bar` for `AlmostNoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` + --> $DIR/issue-20413.rs:28:9 + | +LL | impl Bar for T where EvenLessData: Baz { + | ^^^ ^ +note: required because of the requirements on the impl of `Baz` for `EvenLessData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` + --> $DIR/issue-20413.rs:36:9 + | +LL | impl Baz for T where AlmostNoData: Bar { + | ^^^ ^ = note: 126 redundant requirements hidden = note: required because of the requirements on the impl of `Baz` for `EvenLessData` @@ -45,8 +57,16 @@ LL | impl Baz for T where AlmostNoData: Bar { | ^^^ | = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`issue_20413`) - = note: required because of the requirements on the impl of `Baz` for `EvenLessData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` - = note: required because of the requirements on the impl of `Bar` for `AlmostNoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` +note: required because of the requirements on the impl of `Baz` for `EvenLessData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` + --> $DIR/issue-20413.rs:36:9 + | +LL | impl Baz for T where AlmostNoData: Bar { + | ^^^ ^ +note: required because of the requirements on the impl of `Bar` for `AlmostNoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` + --> $DIR/issue-20413.rs:28:9 + | +LL | impl Bar for T where EvenLessData: Baz { + | ^^^ ^ = note: 126 redundant requirements hidden = note: required because of the requirements on the impl of `Bar` for `AlmostNoData` @@ -60,7 +80,11 @@ LL | impl Foo for T where NoData: Foo { | ^^^ | = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`issue_20413`) - = note: required because of the requirements on the impl of `Foo` for `NoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` +note: required because of the requirements on the impl of `Foo` for `NoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` + --> $DIR/issue-20413.rs:8:9 + | +LL | impl Foo for T where NoData: Foo { + | ^^^ ^ = note: 127 redundant requirements hidden = note: required because of the requirements on the impl of `Foo` for `NoData` @@ -74,8 +98,16 @@ LL | impl Bar for T where EvenLessData: Baz { | ^^^ | = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`issue_20413`) - = note: required because of the requirements on the impl of `Bar` for `AlmostNoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` - = note: required because of the requirements on the impl of `Baz` for `EvenLessData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` +note: required because of the requirements on the impl of `Bar` for `AlmostNoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` + --> $DIR/issue-20413.rs:28:9 + | +LL | impl Bar for T where EvenLessData: Baz { + | ^^^ ^ +note: required because of the requirements on the impl of `Baz` for `EvenLessData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` + --> $DIR/issue-20413.rs:36:9 + | +LL | impl Baz for T where AlmostNoData: Bar { + | ^^^ ^ = note: 126 redundant requirements hidden = note: required because of the requirements on the impl of `Baz` for `EvenLessData` @@ -89,8 +121,16 @@ LL | impl Baz for T where AlmostNoData: Bar { | ^^^ | = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`issue_20413`) - = note: required because of the requirements on the impl of `Baz` for `EvenLessData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` - = note: required because of the requirements on the impl of `Bar` for `AlmostNoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` +note: required because of the requirements on the impl of `Baz` for `EvenLessData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` + --> $DIR/issue-20413.rs:36:9 + | +LL | impl Baz for T where AlmostNoData: Bar { + | ^^^ ^ +note: required because of the requirements on the impl of `Bar` for `AlmostNoData>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` + --> $DIR/issue-20413.rs:28:9 + | +LL | impl Bar for T where EvenLessData: Baz { + | ^^^ ^ = note: 126 redundant requirements hidden = note: required because of the requirements on the impl of `Bar` for `AlmostNoData` diff --git a/src/test/ui/issues/issue-22872.stderr b/src/test/ui/issues/issue-22872.stderr index c65a97d99999..fd3db9546991 100644 --- a/src/test/ui/issues/issue-22872.stderr +++ b/src/test/ui/issues/issue-22872.stderr @@ -5,7 +5,11 @@ LL | let _: Box Wrap<'b>> = Box::new(Wrapper(process)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `

>::Item` is not an iterator | = help: the trait `Iterator` is not implemented for `

>::Item` - = note: required because of the requirements on the impl of `for<'b> Wrap<'b>` for `Wrapper

` +note: required because of the requirements on the impl of `for<'b> Wrap<'b>` for `Wrapper

` + --> $DIR/issue-22872.rs:7:13 + | +LL | impl<'b, P> Wrap<'b> for Wrapper

+ | ^^^^^^^^ ^^^^^^^^^^ = note: required for the cast to the object type `dyn for<'b> Wrap<'b>` help: consider further restricting the associated type | diff --git a/src/test/ui/issues/issue-23122-2.stderr b/src/test/ui/issues/issue-23122-2.stderr index ce3bffe602ca..5008a499986d 100644 --- a/src/test/ui/issues/issue-23122-2.stderr +++ b/src/test/ui/issues/issue-23122-2.stderr @@ -5,7 +5,11 @@ LL | type Next = as Next>::Next; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`issue_23122_2`) - = note: required because of the requirements on the impl of `Next` for `GetNext<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next>` +note: required because of the requirements on the impl of `Next` for `GetNext<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next>` + --> $DIR/issue-23122-2.rs:8:15 + | +LL | impl Next for GetNext { + | ^^^^ ^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/issues/issue-27060-2.stderr b/src/test/ui/issues/issue-27060-2.stderr index c4faecbdf2f9..5dbcc96e8748 100644 --- a/src/test/ui/issues/issue-27060-2.stderr +++ b/src/test/ui/issues/issue-27060-2.stderr @@ -2,7 +2,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim --> $DIR/issue-27060-2.rs:3:11 | LL | pub struct Bad { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | data: T, | ^ doesn't have a size known at compile-time | diff --git a/src/test/ui/issues/issue-2823.stderr b/src/test/ui/issues/issue-2823.stderr index e044352e954b..b3bc946292f7 100644 --- a/src/test/ui/issues/issue-2823.stderr +++ b/src/test/ui/issues/issue-2823.stderr @@ -6,14 +6,6 @@ LL | struct C { ... LL | let _d = c.clone(); | ^^^^^ method not found in `C` - | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | ----- - | | - | the method is available for `Arc` here - | the method is available for `Rc` here | = help: items from traits can only be used if the trait is implemented and in scope = note: the following trait defines an item `clone`, perhaps you need to implement it: diff --git a/src/test/ui/issues/issue-28568.stderr b/src/test/ui/issues/issue-28568.stderr index 7729b9d240d2..be3f7c627800 100644 --- a/src/test/ui/issues/issue-28568.stderr +++ b/src/test/ui/issues/issue-28568.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::ops::Drop` for type `MyStruct`: +error[E0119]: conflicting implementations of trait `std::ops::Drop` for type `MyStruct` --> $DIR/issue-28568.rs:7:1 | LL | impl Drop for MyStruct { diff --git a/src/test/ui/issues/issue-3214.rs b/src/test/ui/issues/issue-3214.rs index 9bb164f1ddd2..ccfaf23b4b9f 100644 --- a/src/test/ui/issues/issue-3214.rs +++ b/src/test/ui/issues/issue-3214.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - fn foo() { struct Foo { x: T, //~ ERROR can't use generic parameters from outer function diff --git a/src/test/ui/issues/issue-3214.stderr b/src/test/ui/issues/issue-3214.stderr index c2268924bc4e..0da095b7fdab 100644 --- a/src/test/ui/issues/issue-3214.stderr +++ b/src/test/ui/issues/issue-3214.stderr @@ -1,5 +1,5 @@ error[E0401]: can't use generic parameters from outer function - --> $DIR/issue-3214.rs:5:12 + --> $DIR/issue-3214.rs:3:12 | LL | fn foo() { | --- - type parameter from outer function @@ -10,7 +10,7 @@ LL | x: T, | ^ use of generic parameter from outer function error[E0107]: this struct takes 0 type arguments but 1 type argument was supplied - --> $DIR/issue-3214.rs:8:22 + --> $DIR/issue-3214.rs:6:22 | LL | impl Drop for Foo { | ^^^--- help: remove these generics @@ -18,13 +18,13 @@ LL | impl Drop for Foo { | expected 0 type arguments | note: struct defined here, with 0 type parameters - --> $DIR/issue-3214.rs:4:12 + --> $DIR/issue-3214.rs:2:12 | LL | struct Foo { | ^^^ error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates - --> $DIR/issue-3214.rs:8:10 + --> $DIR/issue-3214.rs:6:10 | LL | impl Drop for Foo { | ^ unconstrained type parameter diff --git a/src/test/ui/issues/issue-33941.stderr b/src/test/ui/issues/issue-33941.stderr index e91dae08b3a3..043658c9508f 100644 --- a/src/test/ui/issues/issue-33941.stderr +++ b/src/test/ui/issues/issue-33941.stderr @@ -11,10 +11,10 @@ error[E0271]: type mismatch resolving ` $DIR/issue-33941.rs:4:14 | LL | for _ in HashMap::new().iter().cloned() {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found reference + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found tuple | - = note: expected tuple `(&_, &_)` - found reference `&_` + = note: expected reference `&_` + found tuple `(&_, &_)` = note: required because of the requirements on the impl of `Iterator` for `Cloned>` = note: required because of the requirements on the impl of `IntoIterator` for `Cloned>` = note: required by `into_iter` @@ -23,10 +23,10 @@ error[E0271]: type mismatch resolving ` $DIR/issue-33941.rs:4:14 | LL | for _ in HashMap::new().iter().cloned() {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found reference + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found tuple | - = note: expected tuple `(&_, &_)` - found reference `&_` + = note: expected reference `&_` + found tuple `(&_, &_)` = note: required because of the requirements on the impl of `Iterator` for `Cloned>` = note: required by `std::iter::Iterator::next` diff --git a/src/test/ui/issues/issue-38821.stderr b/src/test/ui/issues/issue-38821.stderr index e355094261de..296efab7512f 100644 --- a/src/test/ui/issues/issue-38821.stderr +++ b/src/test/ui/issues/issue-38821.stderr @@ -4,7 +4,11 @@ error[E0277]: the trait bound `::SqlType: NotNull` is not sat LL | #[derive(Debug, Copy, Clone)] | ^^^^ the trait `NotNull` is not implemented for `::SqlType` | - = note: required because of the requirements on the impl of `IntoNullable` for `::SqlType` +note: required because of the requirements on the impl of `IntoNullable` for `::SqlType` + --> $DIR/issue-38821.rs:9:18 + | +LL | impl IntoNullable for T { + | ^^^^^^^^^^^^ ^ = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to previous error diff --git a/src/test/ui/issues/issue-39970.stderr b/src/test/ui/issues/issue-39970.stderr index 6f342b459c07..2a0693a581c3 100644 --- a/src/test/ui/issues/issue-39970.stderr +++ b/src/test/ui/issues/issue-39970.stderr @@ -5,9 +5,13 @@ LL | fn visit() {} | ---------- required by `Visit::visit` ... LL | <() as Visit>::visit(); - | ^^^^^^^^^^^^^^^^^^^^ expected `&()`, found `()` + | ^^^^^^^^^^^^^^^^^^^^ expected `()`, found `&()` | - = note: required because of the requirements on the impl of `Visit` for `()` +note: required because of the requirements on the impl of `Visit` for `()` + --> $DIR/issue-39970.rs:13:6 + | +LL | impl Visit for () where + | ^^^^^ ^^ error: aborting due to previous error diff --git a/src/test/ui/issues/issue-40827.stderr b/src/test/ui/issues/issue-40827.stderr index 95cacbc32ab6..38c3af935c56 100644 --- a/src/test/ui/issues/issue-40827.stderr +++ b/src/test/ui/issues/issue-40827.stderr @@ -8,9 +8,17 @@ LL | f(Foo(Arc::new(Bar::B(None)))); | ^ `Rc` cannot be shared between threads safely | = help: within `Bar`, the trait `Sync` is not implemented for `Rc` - = note: required because it appears within the type `Bar` +note: required because it appears within the type `Bar` + --> $DIR/issue-40827.rs:6:6 + | +LL | enum Bar { + | ^^^ = note: required because of the requirements on the impl of `Send` for `Arc` - = note: required because it appears within the type `Foo` +note: required because it appears within the type `Foo` + --> $DIR/issue-40827.rs:4:8 + | +LL | struct Foo(Arc); + | ^^^ error[E0277]: `Rc` cannot be sent between threads safely --> $DIR/issue-40827.rs:14:5 @@ -22,9 +30,17 @@ LL | f(Foo(Arc::new(Bar::B(None)))); | ^ `Rc` cannot be sent between threads safely | = help: within `Bar`, the trait `Send` is not implemented for `Rc` - = note: required because it appears within the type `Bar` +note: required because it appears within the type `Bar` + --> $DIR/issue-40827.rs:6:6 + | +LL | enum Bar { + | ^^^ = note: required because of the requirements on the impl of `Send` for `Arc` - = note: required because it appears within the type `Foo` +note: required because it appears within the type `Foo` + --> $DIR/issue-40827.rs:4:8 + | +LL | struct Foo(Arc); + | ^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/issues/issue-41974.stderr b/src/test/ui/issues/issue-41974.stderr index cde285f73d6b..11d77857d60c 100644 --- a/src/test/ui/issues/issue-41974.stderr +++ b/src/test/ui/issues/issue-41974.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::ops::Drop` for type `std::boxed::Box<_, _>`: +error[E0119]: conflicting implementations of trait `std::ops::Drop` for type `std::boxed::Box<_, _>` --> $DIR/issue-41974.rs:7:1 | LL | impl Drop for T where T: A { diff --git a/src/test/ui/issues/issue-43355.stderr b/src/test/ui/issues/issue-43355.stderr index 75c69e5b3e3f..23d8ed1848f5 100644 --- a/src/test/ui/issues/issue-43355.stderr +++ b/src/test/ui/issues/issue-43355.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Trait1>` for type `A`: +error[E0119]: conflicting implementations of trait `Trait1>` for type `A` --> $DIR/issue-43355.rs:13:1 | LL | impl Trait1 for T where T: Trait2 { diff --git a/src/test/ui/issues/issue-43784-supertrait.stderr b/src/test/ui/issues/issue-43784-supertrait.stderr index c73536ba9733..45a2350ddfd0 100644 --- a/src/test/ui/issues/issue-43784-supertrait.stderr +++ b/src/test/ui/issues/issue-43784-supertrait.stderr @@ -9,8 +9,8 @@ LL | impl Complete for T {} | help: consider restricting type parameter `T` | -LL | impl Complete for T {} - | ^^^^^^ +LL | impl Complete for T {} + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/issues/issue-43988.rs b/src/test/ui/issues/issue-43988.rs index 4b3a0269baea..b114e8e03333 100644 --- a/src/test/ui/issues/issue-43988.rs +++ b/src/test/ui/issues/issue-43988.rs @@ -13,13 +13,13 @@ fn main() { #[repr(nothing)] let _x = 0; - //~^^ ERROR attribute should be applied to a struct, enum, or union + //~^^ ERROR E0552 #[repr(something_not_real)] loop { () }; - //~^^^^ ERROR attribute should be applied to a struct, enum, or union + //~^^^^ ERROR E0552 #[repr] let _y = "123"; diff --git a/src/test/ui/issues/issue-43988.stderr b/src/test/ui/issues/issue-43988.stderr index f1205d447e4b..03aa37f52075 100644 --- a/src/test/ui/issues/issue-43988.stderr +++ b/src/test/ui/issues/issue-43988.stderr @@ -26,23 +26,17 @@ LL | #[inline(XYZ)] LL | let _b = 4; | ----------- not a function or closure -error[E0517]: attribute should be applied to a struct, enum, or union +error[E0552]: unrecognized representation hint --> $DIR/issue-43988.rs:14:12 | LL | #[repr(nothing)] | ^^^^^^^ -LL | let _x = 0; - | ----------- not a struct, enum, or union -error[E0517]: attribute should be applied to a struct, enum, or union +error[E0552]: unrecognized representation hint --> $DIR/issue-43988.rs:18:12 | -LL | #[repr(something_not_real)] - | ^^^^^^^^^^^^^^^^^^ -LL | / loop { -LL | | () -LL | | }; - | |_____- not a struct, enum, or union +LL | #[repr(something_not_real)] + | ^^^^^^^^^^^^^^^^^^ error[E0518]: attribute should be applied to function or closure --> $DIR/issue-43988.rs:30:5 @@ -54,5 +48,5 @@ LL | foo(); error: aborting due to 7 previous errors -Some errors have detailed explanations: E0517, E0518. -For more information about an error, try `rustc --explain E0517`. +Some errors have detailed explanations: E0518, E0552. +For more information about an error, try `rustc --explain E0518`. diff --git a/src/test/ui/issues/issue-45157.rs b/src/test/ui/issues/issue-45157.rs index bd18784289fe..8d2bf22a03c9 100644 --- a/src/test/ui/issues/issue-45157.rs +++ b/src/test/ui/issues/issue-45157.rs @@ -1,6 +1,5 @@ #![allow(unused)] -// ignore-tidy-linelength #[derive(Clone, Copy, Default)] struct S { diff --git a/src/test/ui/issues/issue-45157.stderr b/src/test/ui/issues/issue-45157.stderr index 1b879e0b48c8..57fd8d49c887 100644 --- a/src/test/ui/issues/issue-45157.stderr +++ b/src/test/ui/issues/issue-45157.stderr @@ -1,5 +1,5 @@ error[E0502]: cannot borrow `u` (via `u.z.c`) as immutable because it is also borrowed as mutable (via `u.s.a`) - --> $DIR/issue-45157.rs:28:20 + --> $DIR/issue-45157.rs:27:20 | LL | let mref = &mut u.s.a; | ---------- mutable borrow occurs here (via `u.s.a`) diff --git a/src/test/ui/issues/issue-47725.rs b/src/test/ui/issues/issue-47725.rs index 21108da50061..9ec55be58723 100644 --- a/src/test/ui/issues/issue-47725.rs +++ b/src/test/ui/issues/issue-47725.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![warn(unused_attributes)] //~ NOTE lint level is defined here #[link_name = "foo"] diff --git a/src/test/ui/issues/issue-47725.stderr b/src/test/ui/issues/issue-47725.stderr index b1e8d3292eb9..c7a9bfe317f0 100644 --- a/src/test/ui/issues/issue-47725.stderr +++ b/src/test/ui/issues/issue-47725.stderr @@ -1,11 +1,11 @@ error: malformed `link_name` attribute input - --> $DIR/issue-47725.rs:18:1 + --> $DIR/issue-47725.rs:17:1 | LL | #[link_name] | ^^^^^^^^^^^^ help: must be of the form: `#[link_name = "name"]` warning: attribute should be applied to a foreign function or static - --> $DIR/issue-47725.rs:4:1 + --> $DIR/issue-47725.rs:3:1 | LL | #[link_name = "foo"] | ^^^^^^^^^^^^^^^^^^^^ @@ -14,14 +14,14 @@ LL | struct Foo; | ----------- not a foreign function or static | note: the lint level is defined here - --> $DIR/issue-47725.rs:2:9 + --> $DIR/issue-47725.rs:1:9 | LL | #![warn(unused_attributes)] | ^^^^^^^^^^^^^^^^^ = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-47725.rs:9:1 + --> $DIR/issue-47725.rs:8:1 | LL | #[link_name = "foobar"] | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -33,13 +33,13 @@ LL | | } | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! help: try `#[link(name = "foobar")]` instead - --> $DIR/issue-47725.rs:9:1 + --> $DIR/issue-47725.rs:8:1 | LL | #[link_name = "foobar"] | ^^^^^^^^^^^^^^^^^^^^^^^ warning: attribute should be applied to a foreign function or static - --> $DIR/issue-47725.rs:18:1 + --> $DIR/issue-47725.rs:17:1 | LL | #[link_name] | ^^^^^^^^^^^^ @@ -51,7 +51,7 @@ LL | | } | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! help: try `#[link(name = "...")]` instead - --> $DIR/issue-47725.rs:18:1 + --> $DIR/issue-47725.rs:17:1 | LL | #[link_name] | ^^^^^^^^^^^^ diff --git a/src/test/ui/issues/issue-48728.stderr b/src/test/ui/issues/issue-48728.stderr index a0698c207983..ca2e234cee66 100644 --- a/src/test/ui/issues/issue-48728.stderr +++ b/src/test/ui/issues/issue-48728.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::clone::Clone` for type `Node<[_]>`: +error[E0119]: conflicting implementations of trait `std::clone::Clone` for type `Node<[_]>` --> $DIR/issue-48728.rs:4:10 | LL | #[derive(Clone)] diff --git a/src/test/ui/issues/issue-53251.rs b/src/test/ui/issues/issue-53251.rs index 309b9800b7d3..937271d42f4b 100644 --- a/src/test/ui/issues/issue-53251.rs +++ b/src/test/ui/issues/issue-53251.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - struct S; impl S { diff --git a/src/test/ui/issues/issue-53251.stderr b/src/test/ui/issues/issue-53251.stderr index 5d1a6d4a522f..1676c508a4dc 100644 --- a/src/test/ui/issues/issue-53251.stderr +++ b/src/test/ui/issues/issue-53251.stderr @@ -1,5 +1,5 @@ error[E0107]: this associated function takes 0 type arguments but 1 type argument was supplied - --> $DIR/issue-53251.rs:13:20 + --> $DIR/issue-53251.rs:11:20 | LL | S::f::(); | ^------- help: remove these generics @@ -10,14 +10,14 @@ LL | impl_add!(a b); | --------------- in this macro invocation | note: associated function defined here, with 0 type parameters - --> $DIR/issue-53251.rs:6:8 + --> $DIR/issue-53251.rs:4:8 | LL | fn f() {} | ^ = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error[E0107]: this associated function takes 0 type arguments but 1 type argument was supplied - --> $DIR/issue-53251.rs:13:20 + --> $DIR/issue-53251.rs:11:20 | LL | S::f::(); | ^------- help: remove these generics @@ -28,7 +28,7 @@ LL | impl_add!(a b); | --------------- in this macro invocation | note: associated function defined here, with 0 type parameters - --> $DIR/issue-53251.rs:6:8 + --> $DIR/issue-53251.rs:4:8 | LL | fn f() {} | ^ diff --git a/src/test/ui/issues/issue-54044.rs b/src/test/ui/issues/issue-54044.rs index 3f0b8bc5e384..809ea7a87dbe 100644 --- a/src/test/ui/issues/issue-54044.rs +++ b/src/test/ui/issues/issue-54044.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength #![deny(unused_attributes)] //~ NOTE lint level is defined here #[cold] diff --git a/src/test/ui/issues/issue-54044.stderr b/src/test/ui/issues/issue-54044.stderr index a13e84bbee1a..0200a6a629d8 100644 --- a/src/test/ui/issues/issue-54044.stderr +++ b/src/test/ui/issues/issue-54044.stderr @@ -1,5 +1,5 @@ error: attribute should be applied to a function - --> $DIR/issue-54044.rs:4:1 + --> $DIR/issue-54044.rs:3:1 | LL | #[cold] | ^^^^^^^ @@ -8,14 +8,14 @@ LL | struct Foo; | ----------- not a function | note: the lint level is defined here - --> $DIR/issue-54044.rs:2:9 + --> $DIR/issue-54044.rs:1:9 | LL | #![deny(unused_attributes)] | ^^^^^^^^^^^^^^^^^ = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! error: attribute should be applied to a function - --> $DIR/issue-54044.rs:10:5 + --> $DIR/issue-54044.rs:9:5 | LL | #[cold] | ^^^^^^^ diff --git a/src/test/ui/issues/issue-5883.stderr b/src/test/ui/issues/issue-5883.stderr index 5798733e04be..48879eb798f0 100644 --- a/src/test/ui/issues/issue-5883.stderr +++ b/src/test/ui/issues/issue-5883.stderr @@ -21,7 +21,11 @@ LL | Struct { r: r } | --------------- this returned value is of type `Struct` | = help: within `Struct`, the trait `Sized` is not implemented for `(dyn A + 'static)` - = note: required because it appears within the type `Struct` +note: required because it appears within the type `Struct` + --> $DIR/issue-5883.rs:3:8 + | +LL | struct Struct { + | ^^^^^^ = note: the return type of a function must have a statically known size error: aborting due to 2 previous errors diff --git a/src/test/ui/issues/issue-60622.rs b/src/test/ui/issues/issue-60622.rs index 1d9bd2dd2dc1..1018c88ae55e 100644 --- a/src/test/ui/issues/issue-60622.rs +++ b/src/test/ui/issues/issue-60622.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![deny(warnings)] struct Borked {} diff --git a/src/test/ui/issues/issue-60622.stderr b/src/test/ui/issues/issue-60622.stderr index 47f2f181f2d7..f970a63e4b2f 100644 --- a/src/test/ui/issues/issue-60622.stderr +++ b/src/test/ui/issues/issue-60622.stderr @@ -1,5 +1,5 @@ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/issue-60622.rs:12:11 + --> $DIR/issue-60622.rs:10:11 | LL | fn a(&self) {} | - the late bound lifetime parameter is introduced here @@ -8,7 +8,7 @@ LL | b.a::<'_, T>(); | ^^ | note: the lint level is defined here - --> $DIR/issue-60622.rs:3:9 + --> $DIR/issue-60622.rs:1:9 | LL | #![deny(warnings)] | ^^^^^^^^ @@ -17,7 +17,7 @@ LL | #![deny(warnings)] = note: for more information, see issue #42868 error[E0107]: this associated function takes 0 type arguments but 1 type argument was supplied - --> $DIR/issue-60622.rs:12:7 + --> $DIR/issue-60622.rs:10:7 | LL | b.a::<'_, T>(); | ^ --- help: remove this type argument @@ -25,7 +25,7 @@ LL | b.a::<'_, T>(); | expected 0 type arguments | note: associated function defined here, with 0 type parameters - --> $DIR/issue-60622.rs:8:8 + --> $DIR/issue-60622.rs:6:8 | LL | fn a(&self) {} | ^ diff --git a/src/test/ui/issues/issue-69725.stderr b/src/test/ui/issues/issue-69725.stderr index 48c71d76af09..4dd6b4bbb68b 100644 --- a/src/test/ui/issues/issue-69725.stderr +++ b/src/test/ui/issues/issue-69725.stderr @@ -8,14 +8,6 @@ LL | let _ = Struct::::new().clone(); | LL | pub struct Struct(A); | ------------------------ doesn't satisfy `Struct: Clone` - | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | ----- - | | - | the method is available for `Arc>` here - | the method is available for `Rc>` here | = note: the following trait bounds were not satisfied: `A: Clone` diff --git a/src/test/ui/issues/issue-7013.stderr b/src/test/ui/issues/issue-7013.stderr index 5f3156a54027..98ed67507b1d 100644 --- a/src/test/ui/issues/issue-7013.stderr +++ b/src/test/ui/issues/issue-7013.stderr @@ -6,7 +6,11 @@ LL | let a = A {v: box B{v: None} as Box}; | = help: within `B`, the trait `Send` is not implemented for `Rc>` = note: required because it appears within the type `Option>>` - = note: required because it appears within the type `B` +note: required because it appears within the type `B` + --> $DIR/issue-7013.rs:10:8 + | +LL | struct B { + | ^ = note: required for the cast to the object type `dyn Foo + Send` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-82833-slice-miscompile.rs b/src/test/ui/issues/issue-82833-slice-miscompile.rs index b14e5f6fb12f..8cf6a3137e2d 100644 --- a/src/test/ui/issues/issue-82833-slice-miscompile.rs +++ b/src/test/ui/issues/issue-82833-slice-miscompile.rs @@ -1,6 +1,5 @@ // run-pass // compile-flags: -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Copt-level=0 -Cdebuginfo=2 -// ignore-tidy-linelength // Make sure LLVM does not miscompile this. diff --git a/src/test/ui/issues/issue-83924.fixed b/src/test/ui/issues/issue-83924.fixed new file mode 100644 index 000000000000..aa40da12b875 --- /dev/null +++ b/src/test/ui/issues/issue-83924.fixed @@ -0,0 +1,20 @@ +// run-rustfix + +fn main() { + let mut values = vec![10, 11, 12]; + let v = &mut values; + + let mut max = 0; + + for n in &mut *v { + max = std::cmp::max(max, *n); + } + + println!("max is {}", max); + println!("Converting to percentages of maximum value..."); + for n in v { + //~^ ERROR: use of moved value: `v` [E0382] + *n = 100 * (*n) / max; + } + println!("values: {:#?}", values); +} diff --git a/src/test/ui/issues/issue-83924.rs b/src/test/ui/issues/issue-83924.rs new file mode 100644 index 000000000000..22b80fe2f383 --- /dev/null +++ b/src/test/ui/issues/issue-83924.rs @@ -0,0 +1,20 @@ +// run-rustfix + +fn main() { + let mut values = vec![10, 11, 12]; + let v = &mut values; + + let mut max = 0; + + for n in v { + max = std::cmp::max(max, *n); + } + + println!("max is {}", max); + println!("Converting to percentages of maximum value..."); + for n in v { + //~^ ERROR: use of moved value: `v` [E0382] + *n = 100 * (*n) / max; + } + println!("values: {:#?}", values); +} diff --git a/src/test/ui/issues/issue-83924.stderr b/src/test/ui/issues/issue-83924.stderr new file mode 100644 index 000000000000..682bc323cb05 --- /dev/null +++ b/src/test/ui/issues/issue-83924.stderr @@ -0,0 +1,25 @@ +error[E0382]: use of moved value: `v` + --> $DIR/issue-83924.rs:15:14 + | +LL | let v = &mut values; + | - move occurs because `v` has type `&mut Vec`, which does not implement the `Copy` trait +... +LL | for n in v { + | - `v` moved due to this implicit call to `.into_iter()` +... +LL | for n in v { + | ^ value used here after move + | +note: this function takes ownership of the receiver `self`, which moves `v` + --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL + | +LL | fn into_iter(self) -> Self::IntoIter; + | ^^^^ +help: consider creating a fresh reborrow of `v` here + | +LL | for n in &mut *v { + | ^^^^^^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0382`. diff --git a/src/test/ui/kindck/kindck-impl-type-params-2.stderr b/src/test/ui/kindck/kindck-impl-type-params-2.stderr index 7e0f6e0b2de9..c635ebdbb7f4 100644 --- a/src/test/ui/kindck/kindck-impl-type-params-2.stderr +++ b/src/test/ui/kindck/kindck-impl-type-params-2.stderr @@ -7,7 +7,11 @@ LL | fn take_param(foo: &T) { } LL | take_param(&x); | ^^ the trait `Copy` is not implemented for `Box<{integer}>` | - = note: required because of the requirements on the impl of `Foo` for `Box<{integer}>` +note: required because of the requirements on the impl of `Foo` for `Box<{integer}>` + --> $DIR/kindck-impl-type-params-2.rs:6:14 + | +LL | impl Foo for T { + | ^^^ ^ error: aborting due to previous error diff --git a/src/test/ui/kindck/kindck-impl-type-params.nll.stderr b/src/test/ui/kindck/kindck-impl-type-params.nll.stderr index b01b8258e735..035501009bda 100644 --- a/src/test/ui/kindck/kindck-impl-type-params.nll.stderr +++ b/src/test/ui/kindck/kindck-impl-type-params.nll.stderr @@ -4,12 +4,16 @@ error[E0277]: `T` cannot be sent between threads safely LL | let a = &t as &dyn Gettable; | ^^ `T` cannot be sent between threads safely | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` help: consider restricting type parameter `T` | -LL | fn f(val: T) { - | ^^^^^^ +LL | fn f(val: T) { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: the trait bound `T: Copy` is not satisfied --> $DIR/kindck-impl-type-params.rs:18:13 @@ -17,12 +21,16 @@ error[E0277]: the trait bound `T: Copy` is not satisfied LL | let a = &t as &dyn Gettable; | ^^ the trait `Copy` is not implemented for `T` | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` help: consider restricting type parameter `T` | -LL | fn f(val: T) { - | ^^^^^^ +LL | fn f(val: T) { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: `T` cannot be sent between threads safely --> $DIR/kindck-impl-type-params.rs:25:31 @@ -30,12 +38,16 @@ error[E0277]: `T` cannot be sent between threads safely LL | let a: &dyn Gettable = &t; | ^^ `T` cannot be sent between threads safely | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` help: consider restricting type parameter `T` | -LL | fn g(val: T) { - | ^^^^^^ +LL | fn g(val: T) { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: the trait bound `T: Copy` is not satisfied --> $DIR/kindck-impl-type-params.rs:25:31 @@ -43,12 +55,16 @@ error[E0277]: the trait bound `T: Copy` is not satisfied LL | let a: &dyn Gettable = &t; | ^^ the trait `Copy` is not implemented for `T` | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` help: consider restricting type parameter `T` | -LL | fn g(val: T) { - | ^^^^^^ +LL | fn g(val: T) { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: the trait bound `String: Copy` is not satisfied --> $DIR/kindck-impl-type-params.rs:38:13 @@ -56,7 +72,11 @@ error[E0277]: the trait bound `String: Copy` is not satisfied LL | let a = t as Box>; | ^ the trait `Copy` is not implemented for `String` | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` error[E0277]: the trait bound `Foo: Copy` is not satisfied @@ -65,7 +85,11 @@ error[E0277]: the trait bound `Foo: Copy` is not satisfied LL | let a: Box> = t; | ^ the trait `Copy` is not implemented for `Foo` | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` error: aborting due to 6 previous errors diff --git a/src/test/ui/kindck/kindck-impl-type-params.stderr b/src/test/ui/kindck/kindck-impl-type-params.stderr index ddf8adf3637b..241fe367fd33 100644 --- a/src/test/ui/kindck/kindck-impl-type-params.stderr +++ b/src/test/ui/kindck/kindck-impl-type-params.stderr @@ -4,12 +4,16 @@ error[E0277]: `T` cannot be sent between threads safely LL | let a = &t as &dyn Gettable; | ^^ `T` cannot be sent between threads safely | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` help: consider restricting type parameter `T` | -LL | fn f(val: T) { - | ^^^^^^ +LL | fn f(val: T) { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: the trait bound `T: Copy` is not satisfied --> $DIR/kindck-impl-type-params.rs:18:13 @@ -17,12 +21,16 @@ error[E0277]: the trait bound `T: Copy` is not satisfied LL | let a = &t as &dyn Gettable; | ^^ the trait `Copy` is not implemented for `T` | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` help: consider restricting type parameter `T` | -LL | fn f(val: T) { - | ^^^^^^ +LL | fn f(val: T) { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: `T` cannot be sent between threads safely --> $DIR/kindck-impl-type-params.rs:25:31 @@ -30,12 +38,16 @@ error[E0277]: `T` cannot be sent between threads safely LL | let a: &dyn Gettable = &t; | ^^ `T` cannot be sent between threads safely | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` help: consider restricting type parameter `T` | -LL | fn g(val: T) { - | ^^^^^^ +LL | fn g(val: T) { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: the trait bound `T: Copy` is not satisfied --> $DIR/kindck-impl-type-params.rs:25:31 @@ -43,12 +55,16 @@ error[E0277]: the trait bound `T: Copy` is not satisfied LL | let a: &dyn Gettable = &t; | ^^ the trait `Copy` is not implemented for `T` | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` help: consider restricting type parameter `T` | -LL | fn g(val: T) { - | ^^^^^^ +LL | fn g(val: T) { + | ^^^^^^^^^^^^^^^^^^^ error[E0477]: the type `&'a isize` does not fulfill the required lifetime --> $DIR/kindck-impl-type-params.rs:32:13 @@ -64,7 +80,11 @@ error[E0277]: the trait bound `String: Copy` is not satisfied LL | let a = t as Box>; | ^ the trait `Copy` is not implemented for `String` | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` error[E0277]: the trait bound `Foo: Copy` is not satisfied @@ -73,7 +93,11 @@ error[E0277]: the trait bound `Foo: Copy` is not satisfied LL | let a: Box> = t; | ^ the trait `Copy` is not implemented for `Foo` | - = note: required because of the requirements on the impl of `Gettable` for `S` +note: required because of the requirements on the impl of `Gettable` for `S` + --> $DIR/kindck-impl-type-params.rs:14:32 + | +LL | impl Gettable for S {} + | ^^^^^^^^^^^ ^^^^ = note: required for the cast to the object type `dyn Gettable` error: aborting due to 7 previous errors diff --git a/src/test/ui/kindck/kindck-inherited-copy-bound.curr.stderr b/src/test/ui/kindck/kindck-inherited-copy-bound.curr.stderr index 64e56f8c7904..86eaca83f204 100644 --- a/src/test/ui/kindck/kindck-inherited-copy-bound.curr.stderr +++ b/src/test/ui/kindck/kindck-inherited-copy-bound.curr.stderr @@ -7,7 +7,11 @@ LL | fn take_param(foo: &T) { } LL | take_param(&x); | ^^ the trait `Copy` is not implemented for `Box<{integer}>` | - = note: required because of the requirements on the impl of `Foo` for `Box<{integer}>` +note: required because of the requirements on the impl of `Foo` for `Box<{integer}>` + --> $DIR/kindck-inherited-copy-bound.rs:14:14 + | +LL | impl Foo for T { + | ^^^ ^ error[E0038]: the trait `Foo` cannot be made into an object --> $DIR/kindck-inherited-copy-bound.rs:28:19 diff --git a/src/test/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr b/src/test/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr index 57f7551fd401..49c5cd40b589 100644 --- a/src/test/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr +++ b/src/test/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr @@ -7,7 +7,11 @@ LL | fn take_param(foo: &T) { } LL | take_param(&x); | ^^ the trait `Copy` is not implemented for `Box<{integer}>` | - = note: required because of the requirements on the impl of `Foo` for `Box<{integer}>` +note: required because of the requirements on the impl of `Foo` for `Box<{integer}>` + --> $DIR/kindck-inherited-copy-bound.rs:14:14 + | +LL | impl Foo for T { + | ^^^ ^ error[E0038]: the trait `Foo` cannot be made into an object --> $DIR/kindck-inherited-copy-bound.rs:28:13 diff --git a/src/test/ui/kinds-of-primitive-impl.rs b/src/test/ui/kinds-of-primitive-impl.rs index cbd4d7ae904f..b045b050d77a 100644 --- a/src/test/ui/kinds-of-primitive-impl.rs +++ b/src/test/ui/kinds-of-primitive-impl.rs @@ -1,6 +1,3 @@ -// ignore-tidy-linelength - - impl u8 { //~^ error: only a single inherent implementation marked with `#[lang = "u8"]` is allowed for the `u8` primitive pub const B: u8 = 0; diff --git a/src/test/ui/kinds-of-primitive-impl.stderr b/src/test/ui/kinds-of-primitive-impl.stderr index d19c85b17f9e..f1fb29530835 100644 --- a/src/test/ui/kinds-of-primitive-impl.stderr +++ b/src/test/ui/kinds-of-primitive-impl.stderr @@ -1,5 +1,5 @@ error[E0390]: only a single inherent implementation marked with `#[lang = "u8"]` is allowed for the `u8` primitive - --> $DIR/kinds-of-primitive-impl.rs:4:1 + --> $DIR/kinds-of-primitive-impl.rs:1:1 | LL | / impl u8 { LL | | @@ -10,7 +10,7 @@ LL | | } = help: consider using a trait to implement this constant error[E0390]: only a single inherent implementation marked with `#[lang = "str"]` is allowed for the `str` primitive - --> $DIR/kinds-of-primitive-impl.rs:9:1 + --> $DIR/kinds-of-primitive-impl.rs:6:1 | LL | / impl str { LL | | @@ -22,7 +22,7 @@ LL | | } = help: consider using a trait to implement these methods error[E0390]: only a single inherent implementation marked with `#[lang = "char"]` is allowed for the `char` primitive - --> $DIR/kinds-of-primitive-impl.rs:15:1 + --> $DIR/kinds-of-primitive-impl.rs:12:1 | LL | / impl char { LL | | diff --git a/src/test/ui/linkage-attr/invalid-link-args.rs b/src/test/ui/linkage-attr/invalid-link-args.rs deleted file mode 100644 index 7418691d0140..000000000000 --- a/src/test/ui/linkage-attr/invalid-link-args.rs +++ /dev/null @@ -1,14 +0,0 @@ -// build-fail -// dont-check-compiler-stderr -// ignore-msvc due to linker-flavor=ld -// error-pattern:aFdEfSeVEEE -// compile-flags: -C linker-flavor=ld - -/* Make sure invalid link_args are printed to stderr. */ - -#![feature(link_args)] - -#[link_args = "aFdEfSeVEEE"] -extern "C" {} - -fn main() {} diff --git a/src/test/ui/lint/lint-stability-deprecated.rs b/src/test/ui/lint/lint-stability-deprecated.rs index a6fde11495c5..5bdddf714186 100644 --- a/src/test/ui/lint/lint-stability-deprecated.rs +++ b/src/test/ui/lint/lint-stability-deprecated.rs @@ -3,7 +3,6 @@ // aux-build:inherited_stability.rs // aux-build:stability_cfg1.rs // aux-build:stability-cfg2.rs -// ignore-tidy-linelength #![warn(deprecated)] #![feature(staged_api, unstable_test_feature)] diff --git a/src/test/ui/lint/lint-stability-deprecated.stderr b/src/test/ui/lint/lint-stability-deprecated.stderr index d8dd83b0d06b..47dc8e4a63c0 100644 --- a/src/test/ui/lint/lint-stability-deprecated.stderr +++ b/src/test/ui/lint/lint-stability-deprecated.stderr @@ -1,653 +1,653 @@ warning: use of deprecated function `lint_stability::deprecated`: text - --> $DIR/lint-stability-deprecated.rs:25:9 + --> $DIR/lint-stability-deprecated.rs:24:9 | LL | deprecated(); | ^^^^^^^^^^ | note: the lint level is defined here - --> $DIR/lint-stability-deprecated.rs:7:9 + --> $DIR/lint-stability-deprecated.rs:6:9 | LL | #![warn(deprecated)] | ^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:30:9 + --> $DIR/lint-stability-deprecated.rs:29:9 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:32:9 + --> $DIR/lint-stability-deprecated.rs:31:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated function `lint_stability::deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:34:9 + --> $DIR/lint-stability-deprecated.rs:33:9 | LL | deprecated_text(); | ^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:39:9 + --> $DIR/lint-stability-deprecated.rs:38:9 | LL | ... Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:41:9 + --> $DIR/lint-stability-deprecated.rs:40:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated function `lint_stability::deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:43:9 + --> $DIR/lint-stability-deprecated.rs:42:9 | LL | deprecated_unstable(); | ^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:48:9 + --> $DIR/lint-stability-deprecated.rs:47:9 | LL | ... Trait::trait_deprecated_unstable(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:50:9 + --> $DIR/lint-stability-deprecated.rs:49:9 | LL | ... ::trait_deprecated_unstable(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated function `lint_stability::deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:52:9 + --> $DIR/lint-stability-deprecated.rs:51:9 | LL | deprecated_unstable_text(); | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:57:9 + --> $DIR/lint-stability-deprecated.rs:56:9 | LL | ... Trait::trait_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:59:9 + --> $DIR/lint-stability-deprecated.rs:58:9 | LL | ... ::trait_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated struct `lint_stability::DeprecatedStruct`: text - --> $DIR/lint-stability-deprecated.rs:109:17 + --> $DIR/lint-stability-deprecated.rs:108:17 | LL | let _ = DeprecatedStruct { | ^^^^^^^^^^^^^^^^ warning: use of deprecated struct `lint_stability::DeprecatedUnstableStruct`: text - --> $DIR/lint-stability-deprecated.rs:112:17 + --> $DIR/lint-stability-deprecated.rs:111:17 | LL | let _ = DeprecatedUnstableStruct { | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated struct `lint_stability::DeprecatedUnitStruct`: text - --> $DIR/lint-stability-deprecated.rs:119:17 + --> $DIR/lint-stability-deprecated.rs:118:17 | LL | let _ = DeprecatedUnitStruct; | ^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated struct `lint_stability::DeprecatedUnstableUnitStruct`: text - --> $DIR/lint-stability-deprecated.rs:120:17 + --> $DIR/lint-stability-deprecated.rs:119:17 | LL | let _ = DeprecatedUnstableUnitStruct; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated variant `lint_stability::Enum::DeprecatedVariant`: text - --> $DIR/lint-stability-deprecated.rs:124:17 + --> $DIR/lint-stability-deprecated.rs:123:17 | LL | let _ = Enum::DeprecatedVariant; | ^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated variant `lint_stability::Enum::DeprecatedUnstableVariant`: text - --> $DIR/lint-stability-deprecated.rs:125:17 + --> $DIR/lint-stability-deprecated.rs:124:17 | LL | let _ = Enum::DeprecatedUnstableVariant; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated struct `lint_stability::DeprecatedTupleStruct`: text - --> $DIR/lint-stability-deprecated.rs:129:17 + --> $DIR/lint-stability-deprecated.rs:128:17 | LL | let _ = DeprecatedTupleStruct (1); | ^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated struct `lint_stability::DeprecatedUnstableTupleStruct`: text - --> $DIR/lint-stability-deprecated.rs:130:17 + --> $DIR/lint-stability-deprecated.rs:129:17 | LL | let _ = DeprecatedUnstableTupleStruct (1); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated function `lint_stability::deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:139:25 + --> $DIR/lint-stability-deprecated.rs:138:25 | LL | macro_test_arg!(deprecated_text()); | ^^^^^^^^^^^^^^^ warning: use of deprecated function `lint_stability::deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:140:25 + --> $DIR/lint-stability-deprecated.rs:139:25 | LL | macro_test_arg!(deprecated_unstable_text()); | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated function `lint_stability::deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:141:41 + --> $DIR/lint-stability-deprecated.rs:140:41 | LL | macro_test_arg!(macro_test_arg!(deprecated_text())); | ^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:146:9 + --> $DIR/lint-stability-deprecated.rs:145:9 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:148:9 + --> $DIR/lint-stability-deprecated.rs:147:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:150:9 + --> $DIR/lint-stability-deprecated.rs:149:9 | LL | ... Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:152:9 + --> $DIR/lint-stability-deprecated.rs:151:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:154:9 + --> $DIR/lint-stability-deprecated.rs:153:9 | LL | ... Trait::trait_deprecated_unstable(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:156:9 + --> $DIR/lint-stability-deprecated.rs:155:9 | LL | ... ::trait_deprecated_unstable(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:158:9 + --> $DIR/lint-stability-deprecated.rs:157:9 | LL | ... Trait::trait_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:160:9 + --> $DIR/lint-stability-deprecated.rs:159:9 | LL | ... ::trait_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated trait `lint_stability::DeprecatedTrait`: text - --> $DIR/lint-stability-deprecated.rs:188:10 + --> $DIR/lint-stability-deprecated.rs:187:10 | LL | impl DeprecatedTrait for S {} | ^^^^^^^^^^^^^^^ warning: use of deprecated trait `lint_stability::DeprecatedTrait`: text - --> $DIR/lint-stability-deprecated.rs:190:25 + --> $DIR/lint-stability-deprecated.rs:189:25 | LL | trait LocalTrait2 : DeprecatedTrait { } | ^^^^^^^^^^^^^^^ warning: use of deprecated function `inheritance::inherited_stability::unstable_mod::deprecated`: text - --> $DIR/lint-stability-deprecated.rs:209:9 + --> $DIR/lint-stability-deprecated.rs:208:9 | LL | unstable_mod::deprecated(); | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated function `this_crate::deprecated`: text - --> $DIR/lint-stability-deprecated.rs:331:9 + --> $DIR/lint-stability-deprecated.rs:330:9 | LL | deprecated(); | ^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:336:9 + --> $DIR/lint-stability-deprecated.rs:335:9 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:338:9 + --> $DIR/lint-stability-deprecated.rs:337:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated function `this_crate::deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:340:9 + --> $DIR/lint-stability-deprecated.rs:339:9 | LL | deprecated_text(); | ^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:345:9 + --> $DIR/lint-stability-deprecated.rs:344:9 | LL | Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:347:9 + --> $DIR/lint-stability-deprecated.rs:346:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated struct `this_crate::DeprecatedStruct`: text - --> $DIR/lint-stability-deprecated.rs:385:17 + --> $DIR/lint-stability-deprecated.rs:384:17 | LL | let _ = DeprecatedStruct { | ^^^^^^^^^^^^^^^^ warning: use of deprecated unit struct `this_crate::DeprecatedUnitStruct`: text - --> $DIR/lint-stability-deprecated.rs:392:17 + --> $DIR/lint-stability-deprecated.rs:391:17 | LL | let _ = DeprecatedUnitStruct; | ^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated unit variant `this_crate::Enum::DeprecatedVariant`: text - --> $DIR/lint-stability-deprecated.rs:396:17 + --> $DIR/lint-stability-deprecated.rs:395:17 | LL | let _ = Enum::DeprecatedVariant; | ^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated tuple struct `this_crate::DeprecatedTupleStruct`: text - --> $DIR/lint-stability-deprecated.rs:400:17 + --> $DIR/lint-stability-deprecated.rs:399:17 | LL | let _ = DeprecatedTupleStruct (1); | ^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:407:9 + --> $DIR/lint-stability-deprecated.rs:406:9 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:409:9 + --> $DIR/lint-stability-deprecated.rs:408:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:411:9 + --> $DIR/lint-stability-deprecated.rs:410:9 | LL | Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:413:9 + --> $DIR/lint-stability-deprecated.rs:412:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated function `this_crate::test_fn_body::fn_in_body`: text - --> $DIR/lint-stability-deprecated.rs:440:9 + --> $DIR/lint-stability-deprecated.rs:439:9 | LL | fn_in_body(); | ^^^^^^^^^^ warning: use of deprecated trait `this_crate::DeprecatedTrait`: text - --> $DIR/lint-stability-deprecated.rs:460:10 + --> $DIR/lint-stability-deprecated.rs:459:10 | LL | impl DeprecatedTrait for S { } | ^^^^^^^^^^^^^^^ warning: use of deprecated trait `this_crate::DeprecatedTrait`: text - --> $DIR/lint-stability-deprecated.rs:462:24 + --> $DIR/lint-stability-deprecated.rs:461:24 | LL | trait LocalTrait : DeprecatedTrait { } | ^^^^^^^^^^^^^^^ warning: use of deprecated function `this_crate::MethodTester::test_method_body::fn_in_body`: text - --> $DIR/lint-stability-deprecated.rs:448:13 + --> $DIR/lint-stability-deprecated.rs:447:13 | LL | fn_in_body(); | ^^^^^^^^^^ warning: use of deprecated associated type `lint_stability::TraitWithAssociatedTypes::TypeDeprecated`: text - --> $DIR/lint-stability-deprecated.rs:98:48 + --> $DIR/lint-stability-deprecated.rs:97:48 | LL | struct S2(T::TypeDeprecated); | ^^^^^^^^^^^^^^^^^ warning: use of deprecated associated type `lint_stability::TraitWithAssociatedTypes::TypeDeprecated`: text - --> $DIR/lint-stability-deprecated.rs:103:13 + --> $DIR/lint-stability-deprecated.rs:102:13 | LL | TypeDeprecated = u16, | ^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:26:13 + --> $DIR/lint-stability-deprecated.rs:25:13 | LL | foo.method_deprecated(); | ^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:27:9 + --> $DIR/lint-stability-deprecated.rs:26:9 | LL | Foo::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:28:9 + --> $DIR/lint-stability-deprecated.rs:27:9 | LL | ::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:29:13 + --> $DIR/lint-stability-deprecated.rs:28:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:31:9 + --> $DIR/lint-stability-deprecated.rs:30:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:35:13 + --> $DIR/lint-stability-deprecated.rs:34:13 | LL | ... foo.method_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:36:9 + --> $DIR/lint-stability-deprecated.rs:35:9 | LL | ... Foo::method_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:37:9 + --> $DIR/lint-stability-deprecated.rs:36:9 | LL | ... ::method_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:38:13 + --> $DIR/lint-stability-deprecated.rs:37:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:40:9 + --> $DIR/lint-stability-deprecated.rs:39:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:44:13 + --> $DIR/lint-stability-deprecated.rs:43:13 | LL | ... foo.method_deprecated_unstable(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:45:9 + --> $DIR/lint-stability-deprecated.rs:44:9 | LL | ... Foo::method_deprecated_unstable(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:46:9 + --> $DIR/lint-stability-deprecated.rs:45:9 | LL | ... ::method_deprecated_unstable(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:47:13 + --> $DIR/lint-stability-deprecated.rs:46:13 | LL | foo.trait_deprecated_unstable(); | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:49:9 + --> $DIR/lint-stability-deprecated.rs:48:9 | LL | ... ::trait_deprecated_unstable(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:53:13 + --> $DIR/lint-stability-deprecated.rs:52:13 | LL | ... foo.method_deprecated_unstable_text(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:54:9 + --> $DIR/lint-stability-deprecated.rs:53:9 | LL | ... Foo::method_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:55:9 + --> $DIR/lint-stability-deprecated.rs:54:9 | LL | ... ::method_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:56:13 + --> $DIR/lint-stability-deprecated.rs:55:13 | LL | ... foo.trait_deprecated_unstable_text(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:58:9 + --> $DIR/lint-stability-deprecated.rs:57:9 | LL | ... ::trait_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated field `lint_stability::DeprecatedStruct::i`: text - --> $DIR/lint-stability-deprecated.rs:110:13 + --> $DIR/lint-stability-deprecated.rs:109:13 | LL | i: 0 | ^^^^ warning: use of deprecated field `lint_stability::DeprecatedUnstableStruct::i`: text - --> $DIR/lint-stability-deprecated.rs:114:13 + --> $DIR/lint-stability-deprecated.rs:113:13 | LL | i: 0 | ^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:145:13 + --> $DIR/lint-stability-deprecated.rs:144:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:147:9 + --> $DIR/lint-stability-deprecated.rs:146:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:149:13 + --> $DIR/lint-stability-deprecated.rs:148:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:151:9 + --> $DIR/lint-stability-deprecated.rs:150:9 | LL | ... ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:153:13 + --> $DIR/lint-stability-deprecated.rs:152:13 | LL | foo.trait_deprecated_unstable(); | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:155:9 + --> $DIR/lint-stability-deprecated.rs:154:9 | LL | ... ::trait_deprecated_unstable(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:157:13 + --> $DIR/lint-stability-deprecated.rs:156:13 | LL | ... foo.trait_deprecated_unstable_text(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:159:9 + --> $DIR/lint-stability-deprecated.rs:158:9 | LL | ... ::trait_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:176:13 + --> $DIR/lint-stability-deprecated.rs:175:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:177:13 + --> $DIR/lint-stability-deprecated.rs:176:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text - --> $DIR/lint-stability-deprecated.rs:178:13 + --> $DIR/lint-stability-deprecated.rs:177:13 | LL | foo.trait_deprecated_unstable(); | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - --> $DIR/lint-stability-deprecated.rs:179:13 + --> $DIR/lint-stability-deprecated.rs:178:13 | LL | ... foo.trait_deprecated_unstable_text(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:332:13 + --> $DIR/lint-stability-deprecated.rs:331:13 | LL | foo.method_deprecated(); | ^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:333:9 + --> $DIR/lint-stability-deprecated.rs:332:9 | LL | Foo::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:334:9 + --> $DIR/lint-stability-deprecated.rs:333:9 | LL | ::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:335:13 + --> $DIR/lint-stability-deprecated.rs:334:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:337:9 + --> $DIR/lint-stability-deprecated.rs:336:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:341:13 + --> $DIR/lint-stability-deprecated.rs:340:13 | LL | ... foo.method_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:342:9 + --> $DIR/lint-stability-deprecated.rs:341:9 | LL | ... Foo::method_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:343:9 + --> $DIR/lint-stability-deprecated.rs:342:9 | LL | ... ::method_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:344:13 + --> $DIR/lint-stability-deprecated.rs:343:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:346:9 + --> $DIR/lint-stability-deprecated.rs:345:9 | LL | ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated field `this_crate::DeprecatedStruct::i`: text - --> $DIR/lint-stability-deprecated.rs:387:13 + --> $DIR/lint-stability-deprecated.rs:386:13 | LL | i: 0 | ^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:406:13 + --> $DIR/lint-stability-deprecated.rs:405:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:408:9 + --> $DIR/lint-stability-deprecated.rs:407:9 | LL | ::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:410:13 + --> $DIR/lint-stability-deprecated.rs:409:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:412:9 + --> $DIR/lint-stability-deprecated.rs:411:9 | LL | ::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text - --> $DIR/lint-stability-deprecated.rs:429:13 + --> $DIR/lint-stability-deprecated.rs:428:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - --> $DIR/lint-stability-deprecated.rs:430:13 + --> $DIR/lint-stability-deprecated.rs:429:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated type `lint_stability::TraitWithAssociatedTypes::TypeDeprecated`: text - --> $DIR/lint-stability-deprecated.rs:98:48 + --> $DIR/lint-stability-deprecated.rs:97:48 | LL | struct S2(T::TypeDeprecated); | ^^^^^^^^^^^^^^^^^ warning: use of deprecated associated type `lint_stability::TraitWithAssociatedTypes::TypeDeprecated`: text - --> $DIR/lint-stability-deprecated.rs:103:13 + --> $DIR/lint-stability-deprecated.rs:102:13 | LL | TypeDeprecated = u16, | ^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated associated type `lint_stability::TraitWithAssociatedTypes::TypeDeprecated`: text - --> $DIR/lint-stability-deprecated.rs:103:13 + --> $DIR/lint-stability-deprecated.rs:102:13 | LL | TypeDeprecated = u16, | ^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/lint/uninitialized-zeroed.rs b/src/test/ui/lint/uninitialized-zeroed.rs index 78d3060886dd..122933c3c4e4 100644 --- a/src/test/ui/lint/uninitialized-zeroed.rs +++ b/src/test/ui/lint/uninitialized-zeroed.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // This test checks that calling `mem::{uninitialized,zeroed}` with certain types results // in a lint. diff --git a/src/test/ui/lint/uninitialized-zeroed.stderr b/src/test/ui/lint/uninitialized-zeroed.stderr index de1b6c761767..0af185ef61b5 100644 --- a/src/test/ui/lint/uninitialized-zeroed.stderr +++ b/src/test/ui/lint/uninitialized-zeroed.stderr @@ -1,5 +1,5 @@ error: the type `&T` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:41:32 + --> $DIR/uninitialized-zeroed.rs:40:32 | LL | let _val: &'static T = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -8,14 +8,14 @@ LL | let _val: &'static T = mem::zeroed(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: the lint level is defined here - --> $DIR/uninitialized-zeroed.rs:7:9 + --> $DIR/uninitialized-zeroed.rs:6:9 | LL | #![deny(invalid_value)] | ^^^^^^^^^^^^^ = note: references must be non-null error: the type `&T` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:42:32 + --> $DIR/uninitialized-zeroed.rs:41:32 | LL | let _val: &'static T = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -26,7 +26,7 @@ LL | let _val: &'static T = mem::uninitialized(); = note: references must be non-null error: the type `Wrap<&T>` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:44:38 + --> $DIR/uninitialized-zeroed.rs:43:38 | LL | let _val: Wrap<&'static T> = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -35,13 +35,13 @@ LL | let _val: Wrap<&'static T> = mem::zeroed(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: references must be non-null (in this struct field) - --> $DIR/uninitialized-zeroed.rs:18:18 + --> $DIR/uninitialized-zeroed.rs:17:18 | LL | struct Wrap { wrapped: T } | ^^^^^^^^^^ error: the type `Wrap<&T>` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:45:38 + --> $DIR/uninitialized-zeroed.rs:44:38 | LL | let _val: Wrap<&'static T> = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -50,13 +50,13 @@ LL | let _val: Wrap<&'static T> = mem::uninitialized(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: references must be non-null (in this struct field) - --> $DIR/uninitialized-zeroed.rs:18:18 + --> $DIR/uninitialized-zeroed.rs:17:18 | LL | struct Wrap { wrapped: T } | ^^^^^^^^^^ error: the type `!` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:52:23 + --> $DIR/uninitialized-zeroed.rs:51:23 | LL | let _val: ! = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -67,7 +67,7 @@ LL | let _val: ! = mem::zeroed(); = note: the `!` type has no valid value error: the type `!` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:53:23 + --> $DIR/uninitialized-zeroed.rs:52:23 | LL | let _val: ! = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -78,7 +78,7 @@ LL | let _val: ! = mem::uninitialized(); = note: the `!` type has no valid value error: the type `(i32, !)` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:55:30 + --> $DIR/uninitialized-zeroed.rs:54:30 | LL | let _val: (i32, !) = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -89,7 +89,7 @@ LL | let _val: (i32, !) = mem::zeroed(); = note: the `!` type has no valid value error: the type `(i32, !)` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:56:30 + --> $DIR/uninitialized-zeroed.rs:55:30 | LL | let _val: (i32, !) = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -100,7 +100,7 @@ LL | let _val: (i32, !) = mem::uninitialized(); = note: the `!` type has no valid value error: the type `Void` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:58:26 + --> $DIR/uninitialized-zeroed.rs:57:26 | LL | let _val: Void = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -111,7 +111,7 @@ LL | let _val: Void = mem::zeroed(); = note: enums with no variants have no valid value error: the type `Void` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:59:26 + --> $DIR/uninitialized-zeroed.rs:58:26 | LL | let _val: Void = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -122,7 +122,7 @@ LL | let _val: Void = mem::uninitialized(); = note: enums with no variants have no valid value error: the type `&i32` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:61:34 + --> $DIR/uninitialized-zeroed.rs:60:34 | LL | let _val: &'static i32 = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -133,7 +133,7 @@ LL | let _val: &'static i32 = mem::zeroed(); = note: references must be non-null error: the type `&i32` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:62:34 + --> $DIR/uninitialized-zeroed.rs:61:34 | LL | let _val: &'static i32 = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -144,7 +144,7 @@ LL | let _val: &'static i32 = mem::uninitialized(); = note: references must be non-null error: the type `Ref` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:64:25 + --> $DIR/uninitialized-zeroed.rs:63:25 | LL | let _val: Ref = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -153,13 +153,13 @@ LL | let _val: Ref = mem::zeroed(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: references must be non-null (in this struct field) - --> $DIR/uninitialized-zeroed.rs:15:12 + --> $DIR/uninitialized-zeroed.rs:14:12 | LL | struct Ref(&'static i32); | ^^^^^^^^^^^^ error: the type `Ref` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:65:25 + --> $DIR/uninitialized-zeroed.rs:64:25 | LL | let _val: Ref = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -168,13 +168,13 @@ LL | let _val: Ref = mem::uninitialized(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: references must be non-null (in this struct field) - --> $DIR/uninitialized-zeroed.rs:15:12 + --> $DIR/uninitialized-zeroed.rs:14:12 | LL | struct Ref(&'static i32); | ^^^^^^^^^^^^ error: the type `fn()` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:67:26 + --> $DIR/uninitialized-zeroed.rs:66:26 | LL | let _val: fn() = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -185,7 +185,7 @@ LL | let _val: fn() = mem::zeroed(); = note: function pointers must be non-null error: the type `fn()` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:68:26 + --> $DIR/uninitialized-zeroed.rs:67:26 | LL | let _val: fn() = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -196,7 +196,7 @@ LL | let _val: fn() = mem::uninitialized(); = note: function pointers must be non-null error: the type `Wrap` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:70:32 + --> $DIR/uninitialized-zeroed.rs:69:32 | LL | let _val: Wrap = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -205,13 +205,13 @@ LL | let _val: Wrap = mem::zeroed(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: function pointers must be non-null (in this struct field) - --> $DIR/uninitialized-zeroed.rs:18:18 + --> $DIR/uninitialized-zeroed.rs:17:18 | LL | struct Wrap { wrapped: T } | ^^^^^^^^^^ error: the type `Wrap` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:71:32 + --> $DIR/uninitialized-zeroed.rs:70:32 | LL | let _val: Wrap = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -220,13 +220,13 @@ LL | let _val: Wrap = mem::uninitialized(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: function pointers must be non-null (in this struct field) - --> $DIR/uninitialized-zeroed.rs:18:18 + --> $DIR/uninitialized-zeroed.rs:17:18 | LL | struct Wrap { wrapped: T } | ^^^^^^^^^^ error: the type `WrapEnum` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:73:36 + --> $DIR/uninitialized-zeroed.rs:72:36 | LL | let _val: WrapEnum = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -235,13 +235,13 @@ LL | let _val: WrapEnum = mem::zeroed(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: function pointers must be non-null (in this enum field) - --> $DIR/uninitialized-zeroed.rs:19:28 + --> $DIR/uninitialized-zeroed.rs:18:28 | LL | enum WrapEnum { Wrapped(T) } | ^ error: the type `WrapEnum` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:74:36 + --> $DIR/uninitialized-zeroed.rs:73:36 | LL | let _val: WrapEnum = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -250,13 +250,13 @@ LL | let _val: WrapEnum = mem::uninitialized(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: function pointers must be non-null (in this enum field) - --> $DIR/uninitialized-zeroed.rs:19:28 + --> $DIR/uninitialized-zeroed.rs:18:28 | LL | enum WrapEnum { Wrapped(T) } | ^ error: the type `Wrap<(RefPair, i32)>` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:76:42 + --> $DIR/uninitialized-zeroed.rs:75:42 | LL | let _val: Wrap<(RefPair, i32)> = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -265,13 +265,13 @@ LL | let _val: Wrap<(RefPair, i32)> = mem::zeroed(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: references must be non-null (in this struct field) - --> $DIR/uninitialized-zeroed.rs:16:16 + --> $DIR/uninitialized-zeroed.rs:15:16 | LL | struct RefPair((&'static i32, i32)); | ^^^^^^^^^^^^^^^^^^^ error: the type `Wrap<(RefPair, i32)>` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:77:42 + --> $DIR/uninitialized-zeroed.rs:76:42 | LL | let _val: Wrap<(RefPair, i32)> = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -280,13 +280,13 @@ LL | let _val: Wrap<(RefPair, i32)> = mem::uninitialized(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: references must be non-null (in this struct field) - --> $DIR/uninitialized-zeroed.rs:16:16 + --> $DIR/uninitialized-zeroed.rs:15:16 | LL | struct RefPair((&'static i32, i32)); | ^^^^^^^^^^^^^^^^^^^ error: the type `NonNull` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:79:34 + --> $DIR/uninitialized-zeroed.rs:78:34 | LL | let _val: NonNull = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -297,7 +297,7 @@ LL | let _val: NonNull = mem::zeroed(); = note: `std::ptr::NonNull` must be non-null error: the type `NonNull` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:80:34 + --> $DIR/uninitialized-zeroed.rs:79:34 | LL | let _val: NonNull = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -308,7 +308,7 @@ LL | let _val: NonNull = mem::uninitialized(); = note: `std::ptr::NonNull` must be non-null error: the type `*const dyn Send` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:82:37 + --> $DIR/uninitialized-zeroed.rs:81:37 | LL | let _val: *const dyn Send = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -319,7 +319,7 @@ LL | let _val: *const dyn Send = mem::zeroed(); = note: the vtable of a wide raw pointer must be non-null error: the type `*const dyn Send` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:83:37 + --> $DIR/uninitialized-zeroed.rs:82:37 | LL | let _val: *const dyn Send = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -330,7 +330,7 @@ LL | let _val: *const dyn Send = mem::uninitialized(); = note: the vtable of a wide raw pointer must be non-null error: the type `bool` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:87:26 + --> $DIR/uninitialized-zeroed.rs:86:26 | LL | let _val: bool = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -341,7 +341,7 @@ LL | let _val: bool = mem::uninitialized(); = note: booleans must be either `true` or `false` error: the type `Wrap` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:90:32 + --> $DIR/uninitialized-zeroed.rs:89:32 | LL | let _val: Wrap = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -350,13 +350,13 @@ LL | let _val: Wrap = mem::uninitialized(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: characters must be a valid Unicode codepoint (in this struct field) - --> $DIR/uninitialized-zeroed.rs:18:18 + --> $DIR/uninitialized-zeroed.rs:17:18 | LL | struct Wrap { wrapped: T } | ^^^^^^^^^^ error: the type `NonBig` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:93:28 + --> $DIR/uninitialized-zeroed.rs:92:28 | LL | let _val: NonBig = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -367,7 +367,7 @@ LL | let _val: NonBig = mem::uninitialized(); = note: `NonBig` must be initialized inside its custom valid range error: the type `Fruit` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:96:27 + --> $DIR/uninitialized-zeroed.rs:95:27 | LL | let _val: Fruit = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -376,7 +376,7 @@ LL | let _val: Fruit = mem::uninitialized(); | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done | note: enums have to be initialized to a variant - --> $DIR/uninitialized-zeroed.rs:27:1 + --> $DIR/uninitialized-zeroed.rs:26:1 | LL | / enum Fruit { LL | | Apple, @@ -385,7 +385,7 @@ LL | | } | |_^ error: the type `&i32` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:99:34 + --> $DIR/uninitialized-zeroed.rs:98:34 | LL | let _val: &'static i32 = mem::transmute(0usize); | ^^^^^^^^^^^^^^^^^^^^^^ @@ -396,7 +396,7 @@ LL | let _val: &'static i32 = mem::transmute(0usize); = note: references must be non-null error: the type `&[i32]` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:100:36 + --> $DIR/uninitialized-zeroed.rs:99:36 | LL | let _val: &'static [i32] = mem::transmute((0usize, 0usize)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -407,7 +407,7 @@ LL | let _val: &'static [i32] = mem::transmute((0usize, 0usize)); = note: references must be non-null error: the type `NonZeroU32` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:101:32 + --> $DIR/uninitialized-zeroed.rs:100:32 | LL | let _val: NonZeroU32 = mem::transmute(0); | ^^^^^^^^^^^^^^^^^ @@ -418,7 +418,7 @@ LL | let _val: NonZeroU32 = mem::transmute(0); = note: `std::num::NonZeroU32` must be non-null error: the type `NonNull` does not permit zero-initialization - --> $DIR/uninitialized-zeroed.rs:104:34 + --> $DIR/uninitialized-zeroed.rs:103:34 | LL | let _val: NonNull = MaybeUninit::zeroed().assume_init(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -429,7 +429,7 @@ LL | let _val: NonNull = MaybeUninit::zeroed().assume_init(); = note: `std::ptr::NonNull` must be non-null error: the type `NonNull` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:105:34 + --> $DIR/uninitialized-zeroed.rs:104:34 | LL | let _val: NonNull = MaybeUninit::uninit().assume_init(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -440,7 +440,7 @@ LL | let _val: NonNull = MaybeUninit::uninit().assume_init(); = note: `std::ptr::NonNull` must be non-null error: the type `bool` does not permit being left uninitialized - --> $DIR/uninitialized-zeroed.rs:106:26 + --> $DIR/uninitialized-zeroed.rs:105:26 | LL | let _val: bool = MaybeUninit::uninit().assume_init(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/loops/loops-reject-duplicate-labels-2.rs b/src/test/ui/loops/loops-reject-duplicate-labels-2.rs index a0f3aeffe9f7..3a860f508ff7 100644 --- a/src/test/ui/loops/loops-reject-duplicate-labels-2.rs +++ b/src/test/ui/loops/loops-reject-duplicate-labels-2.rs @@ -1,6 +1,5 @@ // check-pass -// ignore-tidy-linelength // Issue #21633: reject duplicate loop labels in function bodies. // diff --git a/src/test/ui/loops/loops-reject-duplicate-labels-2.stderr b/src/test/ui/loops/loops-reject-duplicate-labels-2.stderr index 724c36e5203e..6c53d04e1079 100644 --- a/src/test/ui/loops/loops-reject-duplicate-labels-2.stderr +++ b/src/test/ui/loops/loops-reject-duplicate-labels-2.stderr @@ -1,5 +1,5 @@ warning: label name `'fl` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels-2.rs:14:7 + --> $DIR/loops-reject-duplicate-labels-2.rs:13:7 | LL | { 'fl: for _ in 0..10 { break; } } | --- first declared here @@ -7,7 +7,7 @@ LL | { 'fl: loop { break; } } | ^^^ label `'fl` already in scope warning: label name `'lf` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels-2.rs:16:7 + --> $DIR/loops-reject-duplicate-labels-2.rs:15:7 | LL | { 'lf: loop { break; } } | --- first declared here @@ -15,7 +15,7 @@ LL | { 'lf: for _ in 0..10 { break; } } | ^^^ label `'lf` already in scope warning: label name `'wl` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels-2.rs:18:7 + --> $DIR/loops-reject-duplicate-labels-2.rs:17:7 | LL | { 'wl: while 2 > 1 { break; } } | --- first declared here @@ -23,7 +23,7 @@ LL | { 'wl: loop { break; } } | ^^^ label `'wl` already in scope warning: label name `'lw` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels-2.rs:20:7 + --> $DIR/loops-reject-duplicate-labels-2.rs:19:7 | LL | { 'lw: loop { break; } } | --- first declared here @@ -31,7 +31,7 @@ LL | { 'lw: while 2 > 1 { break; } } | ^^^ label `'lw` already in scope warning: label name `'fw` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels-2.rs:22:7 + --> $DIR/loops-reject-duplicate-labels-2.rs:21:7 | LL | { 'fw: for _ in 0..10 { break; } } | --- first declared here @@ -39,7 +39,7 @@ LL | { 'fw: while 2 > 1 { break; } } | ^^^ label `'fw` already in scope warning: label name `'wf` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels-2.rs:24:7 + --> $DIR/loops-reject-duplicate-labels-2.rs:23:7 | LL | { 'wf: while 2 > 1 { break; } } | --- first declared here @@ -47,7 +47,7 @@ LL | { 'wf: for _ in 0..10 { break; } } | ^^^ label `'wf` already in scope warning: label name `'tl` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels-2.rs:26:7 + --> $DIR/loops-reject-duplicate-labels-2.rs:25:7 | LL | { 'tl: while let Some(_) = None:: { break; } } | --- first declared here @@ -55,7 +55,7 @@ LL | { 'tl: loop { break; } } | ^^^ label `'tl` already in scope warning: label name `'lt` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels-2.rs:28:7 + --> $DIR/loops-reject-duplicate-labels-2.rs:27:7 | LL | { 'lt: loop { break; } } | --- first declared here diff --git a/src/test/ui/loops/loops-reject-duplicate-labels.rs b/src/test/ui/loops/loops-reject-duplicate-labels.rs index a501ac18588f..d9334ce38571 100644 --- a/src/test/ui/loops/loops-reject-duplicate-labels.rs +++ b/src/test/ui/loops/loops-reject-duplicate-labels.rs @@ -1,6 +1,5 @@ // check-pass -// ignore-tidy-linelength // Issue #21633: reject duplicate loop labels in function bodies. // This is testing the exact cases that are in the issue description. diff --git a/src/test/ui/loops/loops-reject-duplicate-labels.stderr b/src/test/ui/loops/loops-reject-duplicate-labels.stderr index 2d1128120179..5bdf64849f30 100644 --- a/src/test/ui/loops/loops-reject-duplicate-labels.stderr +++ b/src/test/ui/loops/loops-reject-duplicate-labels.stderr @@ -1,5 +1,5 @@ warning: label name `'fl` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels.rs:11:5 + --> $DIR/loops-reject-duplicate-labels.rs:10:5 | LL | 'fl: for _ in 0..10 { break; } | --- first declared here @@ -7,7 +7,7 @@ LL | 'fl: loop { break; } | ^^^ label `'fl` already in scope warning: label name `'lf` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels.rs:14:5 + --> $DIR/loops-reject-duplicate-labels.rs:13:5 | LL | 'lf: loop { break; } | --- first declared here @@ -15,7 +15,7 @@ LL | 'lf: for _ in 0..10 { break; } | ^^^ label `'lf` already in scope warning: label name `'wl` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels.rs:16:5 + --> $DIR/loops-reject-duplicate-labels.rs:15:5 | LL | 'wl: while 2 > 1 { break; } | --- first declared here @@ -23,7 +23,7 @@ LL | 'wl: loop { break; } | ^^^ label `'wl` already in scope warning: label name `'lw` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels.rs:18:5 + --> $DIR/loops-reject-duplicate-labels.rs:17:5 | LL | 'lw: loop { break; } | --- first declared here @@ -31,7 +31,7 @@ LL | 'lw: while 2 > 1 { break; } | ^^^ label `'lw` already in scope warning: label name `'fw` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels.rs:20:5 + --> $DIR/loops-reject-duplicate-labels.rs:19:5 | LL | 'fw: for _ in 0..10 { break; } | --- first declared here @@ -39,7 +39,7 @@ LL | 'fw: while 2 > 1 { break; } | ^^^ label `'fw` already in scope warning: label name `'wf` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels.rs:22:5 + --> $DIR/loops-reject-duplicate-labels.rs:21:5 | LL | 'wf: while 2 > 1 { break; } | --- first declared here @@ -47,7 +47,7 @@ LL | 'wf: for _ in 0..10 { break; } | ^^^ label `'wf` already in scope warning: label name `'tl` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels.rs:24:5 + --> $DIR/loops-reject-duplicate-labels.rs:23:5 | LL | 'tl: while let Some(_) = None:: { break; } | --- first declared here @@ -55,7 +55,7 @@ LL | 'tl: loop { break; } | ^^^ label `'tl` already in scope warning: label name `'lt` shadows a label name that is already in scope - --> $DIR/loops-reject-duplicate-labels.rs:26:5 + --> $DIR/loops-reject-duplicate-labels.rs:25:5 | LL | 'lt: loop { break; } | --- first declared here diff --git a/src/test/ui/macros/attr-empty-expr.rs b/src/test/ui/macros/attr-empty-expr.rs new file mode 100644 index 000000000000..d4d1a3ee71e6 --- /dev/null +++ b/src/test/ui/macros/attr-empty-expr.rs @@ -0,0 +1,11 @@ +// AST-based macro attributes expanding to an empty expression produce an error and not ICE. + +#![feature(custom_test_frameworks)] +#![feature(stmt_expr_attributes)] +#![feature(test)] + +fn main() { + let _ = #[test] 0; //~ ERROR removing an expression is not supported in this position + let _ = #[bench] 1; //~ ERROR removing an expression is not supported in this position + let _ = #[test_case] 2; //~ ERROR removing an expression is not supported in this position +} diff --git a/src/test/ui/macros/attr-empty-expr.stderr b/src/test/ui/macros/attr-empty-expr.stderr new file mode 100644 index 000000000000..53721053bcc0 --- /dev/null +++ b/src/test/ui/macros/attr-empty-expr.stderr @@ -0,0 +1,20 @@ +error: removing an expression is not supported in this position + --> $DIR/attr-empty-expr.rs:8:13 + | +LL | let _ = #[test] 0; + | ^^^^^^^ + +error: removing an expression is not supported in this position + --> $DIR/attr-empty-expr.rs:9:13 + | +LL | let _ = #[bench] 1; + | ^^^^^^^^ + +error: removing an expression is not supported in this position + --> $DIR/attr-empty-expr.rs:10:13 + | +LL | let _ = #[test_case] 2; + | ^^^^^^^^^^^^ + +error: aborting due to 3 previous errors + diff --git a/src/test/ui/macros/macro-or-patterns-back-compat.fixed b/src/test/ui/macros/macro-or-patterns-back-compat.fixed new file mode 100644 index 000000000000..f089f0fda4e7 --- /dev/null +++ b/src/test/ui/macros/macro-or-patterns-back-compat.fixed @@ -0,0 +1,25 @@ +// run-rustfix + +#![feature(edition_macro_pats)] +#![deny(or_patterns_back_compat)] +#![allow(unused_macros)] +macro_rules! foo { ($x:pat2015 | $y:pat) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro +macro_rules! bar { ($($x:pat2015)+ | $($y:pat)+) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro +macro_rules! baz { ($x:pat2015 | $y:pat2015) => {} } // should be ok +macro_rules! qux { ($x:pat2015 | $y:pat) => {} } // should be ok +macro_rules! ogg { ($x:pat2015 | $y:pat2015) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro +macro_rules! match_any { + ( $expr:expr , $( $( $pat:pat2015 )|+ => $expr_arm:expr ),+ ) => { //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro + match $expr { + $( + $( $pat => $expr_arm, )+ + )+ + } + }; +} + +fn main() { + let result: Result = Err(42); + let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into()); + assert_eq!(int, 42); +} diff --git a/src/test/ui/macros/macro-or-patterns-back-compat.rs b/src/test/ui/macros/macro-or-patterns-back-compat.rs new file mode 100644 index 000000000000..0252581d5f16 --- /dev/null +++ b/src/test/ui/macros/macro-or-patterns-back-compat.rs @@ -0,0 +1,25 @@ +// run-rustfix + +#![feature(edition_macro_pats)] +#![deny(or_patterns_back_compat)] +#![allow(unused_macros)] +macro_rules! foo { ($x:pat | $y:pat) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro +macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro +macro_rules! baz { ($x:pat2015 | $y:pat2015) => {} } // should be ok +macro_rules! qux { ($x:pat2015 | $y:pat) => {} } // should be ok +macro_rules! ogg { ($x:pat | $y:pat2015) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro +macro_rules! match_any { + ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => { //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro + match $expr { + $( + $( $pat => $expr_arm, )+ + )+ + } + }; +} + +fn main() { + let result: Result = Err(42); + let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into()); + assert_eq!(int, 42); +} diff --git a/src/test/ui/macros/macro-or-patterns-back-compat.stderr b/src/test/ui/macros/macro-or-patterns-back-compat.stderr new file mode 100644 index 000000000000..d8f19fa58077 --- /dev/null +++ b/src/test/ui/macros/macro-or-patterns-back-compat.stderr @@ -0,0 +1,32 @@ +error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro + --> $DIR/macro-or-patterns-back-compat.rs:6:21 + | +LL | macro_rules! foo { ($x:pat | $y:pat) => {} } + | ^^^^^^ help: use pat2015 to preserve semantics: `$x:pat2015` + | +note: the lint level is defined here + --> $DIR/macro-or-patterns-back-compat.rs:4:9 + | +LL | #![deny(or_patterns_back_compat)] + | ^^^^^^^^^^^^^^^^^^^^^^^ + +error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro + --> $DIR/macro-or-patterns-back-compat.rs:7:23 + | +LL | macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} } + | ^^^^^^ help: use pat2015 to preserve semantics: `$x:pat2015` + +error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro + --> $DIR/macro-or-patterns-back-compat.rs:10:21 + | +LL | macro_rules! ogg { ($x:pat | $y:pat2015) => {} } + | ^^^^^^ help: use pat2015 to preserve semantics: `$x:pat2015` + +error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro + --> $DIR/macro-or-patterns-back-compat.rs:12:26 + | +LL | ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => { + | ^^^^^^^^ help: use pat2015 to preserve semantics: `$pat:pat2015` + +error: aborting due to 4 previous errors + diff --git a/src/test/ui/methods/method-call-lifetime-args-fail.rs b/src/test/ui/methods/method-call-lifetime-args-fail.rs index 8a840ba62cc0..af1738512527 100644 --- a/src/test/ui/methods/method-call-lifetime-args-fail.rs +++ b/src/test/ui/methods/method-call-lifetime-args-fail.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - struct S; impl S { diff --git a/src/test/ui/methods/method-call-lifetime-args-fail.stderr b/src/test/ui/methods/method-call-lifetime-args-fail.stderr index 34a2e3dec2ec..2907309c27c7 100644 --- a/src/test/ui/methods/method-call-lifetime-args-fail.stderr +++ b/src/test/ui/methods/method-call-lifetime-args-fail.stderr @@ -1,5 +1,5 @@ error[E0107]: this associated function takes 2 lifetime arguments but only 1 lifetime argument was supplied - --> $DIR/method-call-lifetime-args-fail.rs:18:7 + --> $DIR/method-call-lifetime-args-fail.rs:16:7 | LL | S.early::<'static>(); | ^^^^^ ------- supplied 1 lifetime argument @@ -7,7 +7,7 @@ LL | S.early::<'static>(); | expected 2 lifetime arguments | note: associated function defined here, with 2 lifetime parameters: `'a`, `'b` - --> $DIR/method-call-lifetime-args-fail.rs:8:8 + --> $DIR/method-call-lifetime-args-fail.rs:6:8 | LL | fn early<'a, 'b>(self) -> (&'a u8, &'b u8) { loop {} } | ^^^^^ -- -- @@ -17,7 +17,7 @@ LL | S.early::<'static, 'b>(); | ^^^^ error[E0107]: this associated function takes 2 lifetime arguments but 3 lifetime arguments were supplied - --> $DIR/method-call-lifetime-args-fail.rs:20:7 + --> $DIR/method-call-lifetime-args-fail.rs:18:7 | LL | S.early::<'static, 'static, 'static>(); | ^^^^^ --------- help: remove this lifetime argument @@ -25,181 +25,181 @@ LL | S.early::<'static, 'static, 'static>(); | expected 2 lifetime arguments | note: associated function defined here, with 2 lifetime parameters: `'a`, `'b` - --> $DIR/method-call-lifetime-args-fail.rs:8:8 + --> $DIR/method-call-lifetime-args-fail.rs:6:8 | LL | fn early<'a, 'b>(self) -> (&'a u8, &'b u8) { loop {} } | ^^^^^ -- -- error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:29:15 + --> $DIR/method-call-lifetime-args-fail.rs:27:15 | LL | S::late::<'static>(S, &0, &0); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:6:13 + --> $DIR/method-call-lifetime-args-fail.rs:4:13 | LL | fn late<'a, 'b>(self, _: &'a u8, _: &'b u8) {} | ^^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:31:15 + --> $DIR/method-call-lifetime-args-fail.rs:29:15 | LL | S::late::<'static, 'static>(S, &0, &0); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:6:13 + --> $DIR/method-call-lifetime-args-fail.rs:4:13 | LL | fn late<'a, 'b>(self, _: &'a u8, _: &'b u8) {} | ^^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:33:15 + --> $DIR/method-call-lifetime-args-fail.rs:31:15 | LL | S::late::<'static, 'static, 'static>(S, &0, &0); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:6:13 + --> $DIR/method-call-lifetime-args-fail.rs:4:13 | LL | fn late<'a, 'b>(self, _: &'a u8, _: &'b u8) {} | ^^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:36:21 + --> $DIR/method-call-lifetime-args-fail.rs:34:21 | LL | S::late_early::<'static, 'static>(S, &0); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:9:19 + --> $DIR/method-call-lifetime-args-fail.rs:7:19 | LL | fn late_early<'a, 'b>(self, _: &'a u8) -> &'b u8 { loop {} } | ^^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:38:21 + --> $DIR/method-call-lifetime-args-fail.rs:36:21 | LL | S::late_early::<'static, 'static, 'static>(S, &0); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:9:19 + --> $DIR/method-call-lifetime-args-fail.rs:7:19 | LL | fn late_early<'a, 'b>(self, _: &'a u8) -> &'b u8 { loop {} } | ^^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:42:24 + --> $DIR/method-call-lifetime-args-fail.rs:40:24 | LL | S::late_implicit::<'static>(S, &0, &0); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:7:31 + --> $DIR/method-call-lifetime-args-fail.rs:5:31 | LL | fn late_implicit(self, _: &u8, _: &u8) {} | ^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:44:24 + --> $DIR/method-call-lifetime-args-fail.rs:42:24 | LL | S::late_implicit::<'static, 'static>(S, &0, &0); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:7:31 + --> $DIR/method-call-lifetime-args-fail.rs:5:31 | LL | fn late_implicit(self, _: &u8, _: &u8) {} | ^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:46:24 + --> $DIR/method-call-lifetime-args-fail.rs:44:24 | LL | S::late_implicit::<'static, 'static, 'static>(S, &0, &0); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:7:31 + --> $DIR/method-call-lifetime-args-fail.rs:5:31 | LL | fn late_implicit(self, _: &u8, _: &u8) {} | ^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:49:30 + --> $DIR/method-call-lifetime-args-fail.rs:47:30 | LL | S::late_implicit_early::<'static, 'static>(S, &0); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:10:41 + --> $DIR/method-call-lifetime-args-fail.rs:8:41 | LL | fn late_implicit_early<'b>(self, _: &u8) -> &'b u8 { loop {} } | ^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:51:30 + --> $DIR/method-call-lifetime-args-fail.rs:49:30 | LL | S::late_implicit_early::<'static, 'static, 'static>(S, &0); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:10:41 + --> $DIR/method-call-lifetime-args-fail.rs:8:41 | LL | fn late_implicit_early<'b>(self, _: &u8) -> &'b u8 { loop {} } | ^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:54:35 + --> $DIR/method-call-lifetime-args-fail.rs:52:35 | LL | S::late_implicit_self_early::<'static, 'static>(&S); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:11:37 + --> $DIR/method-call-lifetime-args-fail.rs:9:37 | LL | fn late_implicit_self_early<'b>(&self) -> &'b u8 { loop {} } | ^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:56:35 + --> $DIR/method-call-lifetime-args-fail.rs:54:35 | LL | S::late_implicit_self_early::<'static, 'static, 'static>(&S); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:11:37 + --> $DIR/method-call-lifetime-args-fail.rs:9:37 | LL | fn late_implicit_self_early<'b>(&self) -> &'b u8 { loop {} } | ^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:59:28 + --> $DIR/method-call-lifetime-args-fail.rs:57:28 | LL | S::late_unused_early::<'static, 'static>(S); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:12:26 + --> $DIR/method-call-lifetime-args-fail.rs:10:26 | LL | fn late_unused_early<'a, 'b>(self) -> &'b u8 { loop {} } | ^^ error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-fail.rs:61:28 + --> $DIR/method-call-lifetime-args-fail.rs:59:28 | LL | S::late_unused_early::<'static, 'static, 'static>(S); | ^^^^^^^ | note: the late bound lifetime parameter is introduced here - --> $DIR/method-call-lifetime-args-fail.rs:12:26 + --> $DIR/method-call-lifetime-args-fail.rs:10:26 | LL | fn late_unused_early<'a, 'b>(self) -> &'b u8 { loop {} } | ^^ error[E0107]: this associated function takes 2 lifetime arguments but only 1 lifetime argument was supplied - --> $DIR/method-call-lifetime-args-fail.rs:65:8 + --> $DIR/method-call-lifetime-args-fail.rs:63:8 | LL | S::early::<'static>(S); | ^^^^^ ------- supplied 1 lifetime argument @@ -207,7 +207,7 @@ LL | S::early::<'static>(S); | expected 2 lifetime arguments | note: associated function defined here, with 2 lifetime parameters: `'a`, `'b` - --> $DIR/method-call-lifetime-args-fail.rs:8:8 + --> $DIR/method-call-lifetime-args-fail.rs:6:8 | LL | fn early<'a, 'b>(self) -> (&'a u8, &'b u8) { loop {} } | ^^^^^ -- -- @@ -217,7 +217,7 @@ LL | S::early::<'static, 'b>(S); | ^^^^ error[E0107]: this associated function takes 2 lifetime arguments but 3 lifetime arguments were supplied - --> $DIR/method-call-lifetime-args-fail.rs:67:8 + --> $DIR/method-call-lifetime-args-fail.rs:65:8 | LL | S::early::<'static, 'static, 'static>(S); | ^^^^^ --------- help: remove this lifetime argument @@ -225,7 +225,7 @@ LL | S::early::<'static, 'static, 'static>(S); | expected 2 lifetime arguments | note: associated function defined here, with 2 lifetime parameters: `'a`, `'b` - --> $DIR/method-call-lifetime-args-fail.rs:8:8 + --> $DIR/method-call-lifetime-args-fail.rs:6:8 | LL | fn early<'a, 'b>(self) -> (&'a u8, &'b u8) { loop {} } | ^^^^^ -- -- diff --git a/src/test/ui/methods/method-call-lifetime-args-unresolved.rs b/src/test/ui/methods/method-call-lifetime-args-unresolved.rs index d7760985ec6f..d16ba3df47b6 100644 --- a/src/test/ui/methods/method-call-lifetime-args-unresolved.rs +++ b/src/test/ui/methods/method-call-lifetime-args-unresolved.rs @@ -1,5 +1,3 @@ fn main() { 0.clone::<'a>(); //~ ERROR use of undeclared lifetime name `'a` - //~^ WARNING cannot specify lifetime arguments - //~| WARNING this was previously accepted } diff --git a/src/test/ui/methods/method-call-lifetime-args-unresolved.stderr b/src/test/ui/methods/method-call-lifetime-args-unresolved.stderr index 5a958bc4b9c3..93c0384fcc26 100644 --- a/src/test/ui/methods/method-call-lifetime-args-unresolved.stderr +++ b/src/test/ui/methods/method-call-lifetime-args-unresolved.stderr @@ -1,18 +1,3 @@ -warning: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - --> $DIR/method-call-lifetime-args-unresolved.rs:2:15 - | -LL | 0.clone::<'a>(); - | ^^ - | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | - the late bound lifetime parameter is introduced here - | - = note: `#[warn(late_bound_lifetime_arguments)]` on by default - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #42868 - error[E0261]: use of undeclared lifetime name `'a` --> $DIR/method-call-lifetime-args-unresolved.rs:2:15 | @@ -23,6 +8,6 @@ LL | 0.clone::<'a>(); | = help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes -error: aborting due to previous error; 1 warning emitted +error: aborting due to previous error For more information about this error, try `rustc --explain E0261`. diff --git a/src/test/ui/mir/issue-83499-input-output-iteration-ice.rs b/src/test/ui/mir/issue-83499-input-output-iteration-ice.rs new file mode 100644 index 000000000000..4d404d015ec0 --- /dev/null +++ b/src/test/ui/mir/issue-83499-input-output-iteration-ice.rs @@ -0,0 +1,10 @@ +// Test that when in MIR the amount of local_decls and amount of normalized_input_tys don't match +// that an out-of-bounds access does not occur. +#![feature(c_variadic)] + +fn main() {} + +fn foo(_: Bar, ...) -> impl {} +//~^ ERROR only foreign or `unsafe extern "C" functions may be C-variadic +//~| ERROR cannot find type `Bar` in this scope +//~| ERROR at least one trait must be specified diff --git a/src/test/ui/mir/issue-83499-input-output-iteration-ice.stderr b/src/test/ui/mir/issue-83499-input-output-iteration-ice.stderr new file mode 100644 index 000000000000..eb172684899c --- /dev/null +++ b/src/test/ui/mir/issue-83499-input-output-iteration-ice.stderr @@ -0,0 +1,21 @@ +error: only foreign or `unsafe extern "C" functions may be C-variadic + --> $DIR/issue-83499-input-output-iteration-ice.rs:7:16 + | +LL | fn foo(_: Bar, ...) -> impl {} + | ^^^ + +error: at least one trait must be specified + --> $DIR/issue-83499-input-output-iteration-ice.rs:7:24 + | +LL | fn foo(_: Bar, ...) -> impl {} + | ^^^^ + +error[E0412]: cannot find type `Bar` in this scope + --> $DIR/issue-83499-input-output-iteration-ice.rs:7:11 + | +LL | fn foo(_: Bar, ...) -> impl {} + | ^^^ not found in this scope + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0412`. diff --git a/src/test/ui/mut/mutable-enum-indirect.stderr b/src/test/ui/mut/mutable-enum-indirect.stderr index 3be6acb41a94..5b26f94115ac 100644 --- a/src/test/ui/mut/mutable-enum-indirect.stderr +++ b/src/test/ui/mut/mutable-enum-indirect.stderr @@ -8,7 +8,11 @@ LL | bar(&x); | ^^^ `NoSync` cannot be shared between threads safely | = help: within `&Foo`, the trait `Sync` is not implemented for `NoSync` - = note: required because it appears within the type `Foo` +note: required because it appears within the type `Foo` + --> $DIR/mutable-enum-indirect.rs:11:6 + | +LL | enum Foo { A(NoSync) } + | ^^^ = note: required because it appears within the type `&Foo` error: aborting due to previous error diff --git a/src/test/ui/never_type/never-from-impl-is-reserved.stderr b/src/test/ui/never_type/never-from-impl-is-reserved.stderr index 8b8d0f4ea73b..871c51205282 100644 --- a/src/test/ui/never_type/never-from-impl-is-reserved.stderr +++ b/src/test/ui/never_type/never-from-impl-is-reserved.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `MyTrait` for type `MyFoo`: +error[E0119]: conflicting implementations of trait `MyTrait` for type `MyFoo` --> $DIR/never-from-impl-is-reserved.rs:10:1 | LL | impl MyTrait for MyFoo {} diff --git a/src/test/ui/nll/closure-requirements/escape-argument-callee.stderr b/src/test/ui/nll/closure-requirements/escape-argument-callee.stderr index 4e122d930fc4..ff16bf0e078f 100644 --- a/src/test/ui/nll/closure-requirements/escape-argument-callee.stderr +++ b/src/test/ui/nll/closure-requirements/escape-argument-callee.stderr @@ -6,7 +6,7 @@ LL | let mut closure = expect_sig(|p, y| *p = y); | = note: defining type: test::{closure#0} with closure substs [ i16, - for<'r, 's, 't0> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) mut &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) i32, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t0) }) i32)), + for<'r, 's, 't0> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) mut &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) i32, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 2, kind: BrNamed('t0) }) i32)), (), ] diff --git a/src/test/ui/nll/closure-requirements/escape-argument.stderr b/src/test/ui/nll/closure-requirements/escape-argument.stderr index 44d1d2327fcd..22398f085725 100644 --- a/src/test/ui/nll/closure-requirements/escape-argument.stderr +++ b/src/test/ui/nll/closure-requirements/escape-argument.stderr @@ -6,7 +6,7 @@ LL | let mut closure = expect_sig(|p, y| *p = y); | = note: defining type: test::{closure#0} with closure substs [ i16, - for<'r, 's> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) mut &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) i32, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) i32)), + for<'r, 's> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) mut &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) i32, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) i32)), (), ] diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr index fa9f994c4fae..11420efaa066 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr @@ -10,7 +10,7 @@ LL | | }, | = note: defining type: supply::{closure#0} with closure substs [ i16, - for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) u32>, std::cell::Cell<&'_#2r &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) &'_#3r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) u32>)), + for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) u32>, std::cell::Cell<&'_#2r &ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) &'_#3r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) u32>)), (), ] = note: late-bound region is '_#4r diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr index 0555f79bcb03..98c3c28fb43f 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr @@ -11,7 +11,7 @@ LL | | }); | = note: defining type: supply::{closure#0} with closure substs [ i16, - for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t0) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t1) }) &'_#2r u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t2) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t3) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t1) }) u32>)), + for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 2, kind: BrNamed('t0) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 3, kind: BrNamed('t1) }) &'_#2r u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 4, kind: BrNamed('t2) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 5, kind: BrNamed('t3) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 3, kind: BrNamed('t1) }) u32>)), (), ] = note: late-bound region is '_#3r diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-comparing-against-free.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-comparing-against-free.stderr index 0932f9415480..30ef343b2612 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-comparing-against-free.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-comparing-against-free.stderr @@ -10,7 +10,7 @@ LL | | }) | = note: defining type: case1::{closure#0} with closure substs [ i32, - for<'r> extern "rust-call" fn((std::cell::Cell<&'_#1r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) u32>)), + for<'r> extern "rust-call" fn((std::cell::Cell<&'_#1r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) u32>)), (), ] @@ -49,7 +49,7 @@ LL | | }) | = note: defining type: case2::{closure#0} with closure substs [ i32, - for<'r> extern "rust-call" fn((std::cell::Cell<&'_#1r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) u32>)), + for<'r> extern "rust-call" fn((std::cell::Cell<&'_#1r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) u32>)), (), ] = note: number of external vids: 2 diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr index bf6e2a922ed0..29993b129c71 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr @@ -12,7 +12,7 @@ LL | | }); | = note: defining type: supply::{closure#0} with closure substs [ i16, - for<'r, 's, 't0, 't1, 't2> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t0) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t1) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t2) }) u32>)), + for<'r, 's, 't0, 't1, 't2> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 2, kind: BrNamed('t0) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 3, kind: BrNamed('t1) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 4, kind: BrNamed('t2) }) u32>)), (), ] = note: late-bound region is '_#2r diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr index a3d993848cba..cb505d8b1ece 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr @@ -12,7 +12,7 @@ LL | | }); | = note: defining type: supply::{closure#0} with closure substs [ i16, - for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t0) }) std::cell::Cell<&'_#2r &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t1) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t2) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t3) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t1) }) u32>)), + for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 2, kind: BrNamed('t0) }) std::cell::Cell<&'_#2r &ReLateBound(DebruijnIndex(0), BoundRegion { var: 3, kind: BrNamed('t1) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 4, kind: BrNamed('t2) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 5, kind: BrNamed('t3) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 3, kind: BrNamed('t1) }) u32>)), (), ] = note: late-bound region is '_#3r diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr index 60dca1baa40e..2ec9d4d8db1a 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr @@ -11,7 +11,7 @@ LL | | }); | = note: defining type: test::{closure#0} with closure substs [ i16, - for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) &'_#2r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) u32>)), + for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) &'_#2r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) u32>)), (), ] = note: late-bound region is '_#3r diff --git a/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr b/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr index cbb10eb187ed..21e4232c788f 100644 --- a/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr @@ -10,7 +10,7 @@ LL | | }, | = note: defining type: supply::{closure#0} with closure substs [ i16, - for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) &'_#2r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) u32>)), + for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) &'_#2r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) u32>)), (), ] = note: late-bound region is '_#3r diff --git a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr index f9f1d8bb6fff..8b9b04354205 100644 --- a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr @@ -11,7 +11,7 @@ LL | | }); | = note: defining type: supply::{closure#0} with closure substs [ i16, - for<'r, 's, 't0, 't1, 't2> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) &'_#1r u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t0) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t1) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t2) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) u32>)), + for<'r, 's, 't0, 't1, 't2> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) &'_#1r u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 2, kind: BrNamed('t0) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 3, kind: BrNamed('t1) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 4, kind: BrNamed('t2) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) u32>)), (), ] = note: late-bound region is '_#2r diff --git a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr index 1587c28e1bef..060ce690f030 100644 --- a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr @@ -11,7 +11,7 @@ LL | | }); | = note: defining type: supply::{closure#0} with closure substs [ i16, - for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) &'_#1r u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t0) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t1) }) &'_#2r u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t2) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t3) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('t1) }) u32>)), + for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) &'_#1r u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 2, kind: BrNamed('t0) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 3, kind: BrNamed('t1) }) &'_#2r u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 4, kind: BrNamed('t2) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 5, kind: BrNamed('t3) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 3, kind: BrNamed('t1) }) u32>)), (), ] = note: late-bound region is '_#3r diff --git a/src/test/ui/nll/closure-requirements/return-wrong-bound-region.stderr b/src/test/ui/nll/closure-requirements/return-wrong-bound-region.stderr index 44f743310b48..5fc1d5c43618 100644 --- a/src/test/ui/nll/closure-requirements/return-wrong-bound-region.stderr +++ b/src/test/ui/nll/closure-requirements/return-wrong-bound-region.stderr @@ -6,7 +6,7 @@ LL | expect_sig(|a, b| b); // ought to return `a` | = note: defining type: test::{closure#0} with closure substs [ i16, - for<'r, 's> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) i32, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) i32)) -> &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('r) }) i32, + for<'r, 's> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) i32, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) i32)) -> &ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrNamed('r) }) i32, (), ] diff --git a/src/test/ui/nll/issue-51268.rs b/src/test/ui/nll/issue-51268.rs index 12d0449abb19..dcdedf7d4c51 100644 --- a/src/test/ui/nll/issue-51268.rs +++ b/src/test/ui/nll/issue-51268.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - struct Bar; impl Bar { diff --git a/src/test/ui/nll/issue-51268.stderr b/src/test/ui/nll/issue-51268.stderr index 420c94f8e1bd..e6dadc9f6ce3 100644 --- a/src/test/ui/nll/issue-51268.stderr +++ b/src/test/ui/nll/issue-51268.stderr @@ -1,5 +1,5 @@ error[E0502]: cannot borrow `self.thing` as mutable because it is also borrowed as immutable - --> $DIR/issue-51268.rs:16:9 + --> $DIR/issue-51268.rs:14:9 | LL | self.thing.bar(|| { | ^ --- -- immutable borrow occurs here diff --git a/src/test/ui/nll/issue-57100.rs b/src/test/ui/nll/issue-57100.rs index c7f3e9d73036..f15929334bb4 100644 --- a/src/test/ui/nll/issue-57100.rs +++ b/src/test/ui/nll/issue-57100.rs @@ -1,6 +1,5 @@ #![allow(unused)] -// ignore-tidy-linelength // This tests the error messages for borrows of union fields when the unions are embedded in other // structs or unions. diff --git a/src/test/ui/nll/issue-57100.stderr b/src/test/ui/nll/issue-57100.stderr index 5f733c14036b..523c3e8d0a2c 100644 --- a/src/test/ui/nll/issue-57100.stderr +++ b/src/test/ui/nll/issue-57100.stderr @@ -1,5 +1,5 @@ error[E0502]: cannot borrow `r.r2_union.f3_union` (via `r.r2_union.f3_union.s2_leaf.l1_u8`) as immutable because it is also borrowed as mutable (via `r.r2_union.f3_union.s1_leaf.l1_u8`) - --> $DIR/issue-57100.rs:43:20 + --> $DIR/issue-57100.rs:42:20 | LL | let mref = &mut r.r2_union.f3_union.s1_leaf.l1_u8; | -------------------------------------- mutable borrow occurs here (via `r.r2_union.f3_union.s1_leaf.l1_u8`) @@ -13,7 +13,7 @@ LL | println!("{} {}", mref, nref) = note: `r.r2_union.f3_union.s2_leaf.l1_u8` is a field of the union `Second`, so it overlaps the field `r.r2_union.f3_union.s1_leaf.l1_u8` error[E0502]: cannot borrow `r.r2_union` (via `r.r2_union.f1_leaf.l1_u8`) as immutable because it is also borrowed as mutable (via `r.r2_union.f2_leaf.l1_u8`) - --> $DIR/issue-57100.rs:61:20 + --> $DIR/issue-57100.rs:60:20 | LL | let mref = &mut r.r2_union.f2_leaf.l1_u8; | ----------------------------- mutable borrow occurs here (via `r.r2_union.f2_leaf.l1_u8`) diff --git a/src/test/ui/nll/ty-outlives/ty-param-closure-approximate-lower-bound.stderr b/src/test/ui/nll/ty-outlives/ty-param-closure-approximate-lower-bound.stderr index dbf76cd1329c..baf223b786b0 100644 --- a/src/test/ui/nll/ty-outlives/ty-param-closure-approximate-lower-bound.stderr +++ b/src/test/ui/nll/ty-outlives/ty-param-closure-approximate-lower-bound.stderr @@ -6,7 +6,7 @@ LL | twice(cell, value, |a, b| invoke(a, b)); | = note: defining type: generic::::{closure#0} with closure substs [ i16, - for<'r, 's> extern "rust-call" fn((std::option::Option>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) T)), + for<'r, 's> extern "rust-call" fn((std::option::Option>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) T)), (), ] = note: number of external vids: 2 @@ -31,7 +31,7 @@ LL | twice(cell, value, |a, b| invoke(a, b)); | = note: defining type: generic_fail::::{closure#0} with closure substs [ i16, - for<'r, 's> extern "rust-call" fn((std::option::Option>, &ReLateBound(DebruijnIndex(0), BoundRegion { kind: BrNamed('s) }) T)), + for<'r, 's> extern "rust-call" fn((std::option::Option>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrNamed('s) }) T)), (), ] = note: late-bound region is '_#2r diff --git a/src/test/ui/no-send-res-ports.stderr b/src/test/ui/no-send-res-ports.stderr index ef7fb4ad7b26..2ee32029b40d 100644 --- a/src/test/ui/no-send-res-ports.stderr +++ b/src/test/ui/no-send-res-ports.stderr @@ -17,8 +17,16 @@ LL | F: Send + 'static, | ---- required by this bound in `spawn` | = help: within `[closure@$DIR/no-send-res-ports.rs:25:19: 29:6]`, the trait `Send` is not implemented for `Rc<()>` - = note: required because it appears within the type `Port<()>` - = note: required because it appears within the type `Foo` +note: required because it appears within the type `Port<()>` + --> $DIR/no-send-res-ports.rs:5:8 + | +LL | struct Port(Rc); + | ^^^^ +note: required because it appears within the type `Foo` + --> $DIR/no-send-res-ports.rs:9:12 + | +LL | struct Foo { + | ^^^ = note: required because it appears within the type `[closure@$DIR/no-send-res-ports.rs:25:19: 29:6]` error: aborting due to previous error diff --git a/src/test/ui/no_send-enum.stderr b/src/test/ui/no_send-enum.stderr index b617fe410fa9..9d755839d37c 100644 --- a/src/test/ui/no_send-enum.stderr +++ b/src/test/ui/no_send-enum.stderr @@ -8,7 +8,11 @@ LL | bar(x); | ^^^ `NoSend` cannot be sent between threads safely | = help: within `Foo`, the trait `Send` is not implemented for `NoSend` - = note: required because it appears within the type `Foo` +note: required because it appears within the type `Foo` + --> $DIR/no_send-enum.rs:8:6 + | +LL | enum Foo { + | ^^^ error: aborting due to previous error diff --git a/src/test/ui/no_share-enum.stderr b/src/test/ui/no_share-enum.stderr index 4a93edc100ec..a8ab69200ecf 100644 --- a/src/test/ui/no_share-enum.stderr +++ b/src/test/ui/no_share-enum.stderr @@ -8,7 +8,11 @@ LL | bar(x); | ^^^ `NoSync` cannot be shared between threads safely | = help: within `Foo`, the trait `Sync` is not implemented for `NoSync` - = note: required because it appears within the type `Foo` +note: required because it appears within the type `Foo` + --> $DIR/no_share-enum.rs:8:6 + | +LL | enum Foo { A(NoSync) } + | ^^^ error: aborting due to previous error diff --git a/src/test/ui/non-copyable-void.stderr b/src/test/ui/non-copyable-void.stderr index 8395a3a05631..99af04e7cd97 100644 --- a/src/test/ui/non-copyable-void.stderr +++ b/src/test/ui/non-copyable-void.stderr @@ -3,14 +3,6 @@ error[E0599]: no method named `clone` found for enum `c_void` in the current sco | LL | let _z = (*y).clone(); | ^^^^^ method not found in `c_void` - | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | ----- - | | - | the method is available for `Arc` here - | the method is available for `Rc` here error: aborting due to previous error diff --git a/src/test/ui/non-ice-error-on-worker-io-fail.rs b/src/test/ui/non-ice-error-on-worker-io-fail.rs index 30779fc65c0f..134e7d420e3e 100644 --- a/src/test/ui/non-ice-error-on-worker-io-fail.rs +++ b/src/test/ui/non-ice-error-on-worker-io-fail.rs @@ -24,7 +24,6 @@ // On Linux, we get an error like the below // normalize-stderr-test "couldn't create a temp dir.*" -> "io error modifying /does-not-exist/" -// ignore-tidy-linelength // ignore-windows - this is a unix-specific test // ignore-emscripten - the file-system issues do not replicate here // ignore-wasm - the file-system issues do not replicate here diff --git a/src/test/ui/noncopyable-class.stderr b/src/test/ui/noncopyable-class.stderr index b8e467d8402b..4674c16eb433 100644 --- a/src/test/ui/noncopyable-class.stderr +++ b/src/test/ui/noncopyable-class.stderr @@ -6,14 +6,6 @@ LL | struct Foo { ... LL | let _y = x.clone(); | ^^^^^ method not found in `Foo` - | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | ----- - | | - | the method is available for `Arc` here - | the method is available for `Rc` here | = help: items from traits can only be used if the trait is implemented and in scope = note: the following trait defines an item `clone`, perhaps you need to implement it: diff --git a/src/test/ui/panic-runtime/two-panic-runtimes.rs b/src/test/ui/panic-runtime/two-panic-runtimes.rs index c968b5ea1e18..7ec658ebcf2e 100644 --- a/src/test/ui/panic-runtime/two-panic-runtimes.rs +++ b/src/test/ui/panic-runtime/two-panic-runtimes.rs @@ -1,7 +1,6 @@ // build-fail // dont-check-compiler-stderr // error-pattern:cannot link together two panic runtimes: panic_runtime_unwind and panic_runtime_unwind2 -// ignore-tidy-linelength // aux-build:panic-runtime-unwind.rs // aux-build:panic-runtime-unwind2.rs // aux-build:panic-runtime-lang-items.rs diff --git a/src/test/ui/panic-runtime/unwind-tables-panic-required.rs b/src/test/ui/panic-runtime/unwind-tables-panic-required.rs index 6393a27046b8..79e91879051c 100644 --- a/src/test/ui/panic-runtime/unwind-tables-panic-required.rs +++ b/src/test/ui/panic-runtime/unwind-tables-panic-required.rs @@ -3,7 +3,6 @@ // // dont-check-compiler-stderr // compile-flags: -C panic=unwind -C force-unwind-tables=no -// ignore-tidy-linelength // // error-pattern: panic=unwind requires unwind tables, they cannot be disabled with `-C force-unwind-tables=no`. diff --git a/src/test/ui/panic-runtime/unwind-tables-target-required.rs b/src/test/ui/panic-runtime/unwind-tables-target-required.rs index 14c178937641..3abb52b675a6 100644 --- a/src/test/ui/panic-runtime/unwind-tables-target-required.rs +++ b/src/test/ui/panic-runtime/unwind-tables-target-required.rs @@ -3,7 +3,6 @@ // // only-x86_64-windows-msvc // compile-flags: -C force-unwind-tables=no -// ignore-tidy-linelength // // error-pattern: target requires unwind tables, they cannot be disabled with `-C force-unwind-tables=no`. diff --git a/src/test/ui/parser/duplicate-visibility.rs b/src/test/ui/parser/duplicate-visibility.rs index 97f19b3da452..87ba230eab55 100644 --- a/src/test/ui/parser/duplicate-visibility.rs +++ b/src/test/ui/parser/duplicate-visibility.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - fn main() {} extern "C" { diff --git a/src/test/ui/parser/duplicate-visibility.stderr b/src/test/ui/parser/duplicate-visibility.stderr index 6ac27078ea38..d9815fc7395b 100644 --- a/src/test/ui/parser/duplicate-visibility.stderr +++ b/src/test/ui/parser/duplicate-visibility.stderr @@ -1,5 +1,5 @@ error: expected one of `(`, `async`, `const`, `default`, `extern`, `fn`, `pub`, `unsafe`, or `use`, found keyword `pub` - --> $DIR/duplicate-visibility.rs:6:9 + --> $DIR/duplicate-visibility.rs:4:9 | LL | extern "C" { | - while parsing this item list starting here diff --git a/src/test/ui/parser/issue-66357-unexpected-unreachable.rs b/src/test/ui/parser/issue-66357-unexpected-unreachable.rs index 5ec143fae234..aed428bfc2a7 100644 --- a/src/test/ui/parser/issue-66357-unexpected-unreachable.rs +++ b/src/test/ui/parser/issue-66357-unexpected-unreachable.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // The problem in #66357 was that the call trace: // // - parse_fn_block_decl diff --git a/src/test/ui/parser/issue-66357-unexpected-unreachable.stderr b/src/test/ui/parser/issue-66357-unexpected-unreachable.stderr index c3810999d239..332711df72f3 100644 --- a/src/test/ui/parser/issue-66357-unexpected-unreachable.stderr +++ b/src/test/ui/parser/issue-66357-unexpected-unreachable.stderr @@ -1,11 +1,11 @@ error: expected one of `,` or `:`, found `(` - --> $DIR/issue-66357-unexpected-unreachable.rs:14:13 + --> $DIR/issue-66357-unexpected-unreachable.rs:12:13 | LL | fn f() { |[](* } | ^ expected one of `,` or `:` error: expected one of `&`, `(`, `)`, `-`, `...`, `..=`, `..`, `[`, `_`, `box`, `mut`, `ref`, `|`, identifier, or path, found `*` - --> $DIR/issue-66357-unexpected-unreachable.rs:14:14 + --> $DIR/issue-66357-unexpected-unreachable.rs:12:14 | LL | fn f() { |[](* } | -^ help: `)` may belong here diff --git a/src/test/ui/parser/unicode-quote-chars.rs b/src/test/ui/parser/unicode-quote-chars.rs index eeaea3628bbe..868d2b227b74 100644 --- a/src/test/ui/parser/unicode-quote-chars.rs +++ b/src/test/ui/parser/unicode-quote-chars.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - fn main() { println!(“hello world”); //~^ ERROR unknown start of token: \u{201c} diff --git a/src/test/ui/parser/unicode-quote-chars.stderr b/src/test/ui/parser/unicode-quote-chars.stderr index d9ec92b3f8a8..04ea0c6e95f3 100644 --- a/src/test/ui/parser/unicode-quote-chars.stderr +++ b/src/test/ui/parser/unicode-quote-chars.stderr @@ -1,5 +1,5 @@ error: unknown start of token: \u{201c} - --> $DIR/unicode-quote-chars.rs:4:14 + --> $DIR/unicode-quote-chars.rs:2:14 | LL | println!(“hello world”); | ^ @@ -10,7 +10,7 @@ LL | println!("hello world"); | ^^^^^^^^^^^^^ error: unknown start of token: \u{201d} - --> $DIR/unicode-quote-chars.rs:4:26 + --> $DIR/unicode-quote-chars.rs:2:26 | LL | println!(“hello world”); | ^ @@ -21,7 +21,7 @@ LL | println!(“hello world"); | ^ error: expected `,`, found `world` - --> $DIR/unicode-quote-chars.rs:4:21 + --> $DIR/unicode-quote-chars.rs:2:21 | LL | println!(“hello world”); | ^^^^^ expected `,` diff --git a/src/test/ui/pattern/usefulness/refutable-pattern-errors.rs b/src/test/ui/pattern/usefulness/refutable-pattern-errors.rs index 75658c490c4e..7c9aa51e7484 100644 --- a/src/test/ui/pattern/usefulness/refutable-pattern-errors.rs +++ b/src/test/ui/pattern/usefulness/refutable-pattern-errors.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - fn func((1, (Some(1), 2..=3)): (isize, (Option, isize))) { } //~^ ERROR refutable pattern in function argument: `(_, _)` not covered diff --git a/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr b/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr index 99af71cadfc1..74ec646e31cc 100644 --- a/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr +++ b/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr @@ -1,5 +1,5 @@ error[E0005]: refutable pattern in function argument: `(_, _)` not covered - --> $DIR/refutable-pattern-errors.rs:3:9 + --> $DIR/refutable-pattern-errors.rs:1:9 | LL | fn func((1, (Some(1), 2..=3)): (isize, (Option, isize))) { } | ^^^^^^^^^^^^^^^^^^^^^ pattern `(_, _)` not covered @@ -7,7 +7,7 @@ LL | fn func((1, (Some(1), 2..=3)): (isize, (Option, isize))) { } = note: the matched value is of type `(isize, (Option, isize))` error[E0005]: refutable pattern in local binding: `(i32::MIN..=0_i32, _)` and `(2_i32..=i32::MAX, _)` not covered - --> $DIR/refutable-pattern-errors.rs:7:9 + --> $DIR/refutable-pattern-errors.rs:5:9 | LL | let (1, (Some(1), 2..=3)) = (1, (None, 2)); | ^^^^^^^^^^^^^^^^^^^^^ patterns `(i32::MIN..=0_i32, _)` and `(2_i32..=i32::MAX, _)` not covered diff --git a/src/test/ui/phantom-auto-trait.stderr b/src/test/ui/phantom-auto-trait.stderr index 779919f9d643..de13176ddc2a 100644 --- a/src/test/ui/phantom-auto-trait.stderr +++ b/src/test/ui/phantom-auto-trait.stderr @@ -7,13 +7,21 @@ LL | fn is_zen(_: T) {} LL | is_zen(x) | ^ `T` cannot be shared between threads safely | - = note: required because of the requirements on the impl of `Zen` for `&T` +note: required because of the requirements on the impl of `Zen` for `&T` + --> $DIR/phantom-auto-trait.rs:10:24 + | +LL | unsafe impl<'a, T: 'a> Zen for &'a T where T: Sync {} + | ^^^ ^^^^^ = note: required because it appears within the type `PhantomData<&T>` - = note: required because it appears within the type `Guard<'_, T>` +note: required because it appears within the type `Guard<'_, T>` + --> $DIR/phantom-auto-trait.rs:12:8 + | +LL | struct Guard<'a, T: 'a> { + | ^^^^^ help: consider restricting type parameter `T` | -LL | fn not_sync(x: Guard) { - | ^^^^^^ +LL | fn not_sync(x: Guard) { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: `T` cannot be shared between threads safely --> $DIR/phantom-auto-trait.rs:26:12 @@ -24,14 +32,26 @@ LL | fn is_zen(_: T) {} LL | is_zen(x) | ^ `T` cannot be shared between threads safely | - = note: required because of the requirements on the impl of `Zen` for `&T` +note: required because of the requirements on the impl of `Zen` for `&T` + --> $DIR/phantom-auto-trait.rs:10:24 + | +LL | unsafe impl<'a, T: 'a> Zen for &'a T where T: Sync {} + | ^^^ ^^^^^ = note: required because it appears within the type `PhantomData<&T>` - = note: required because it appears within the type `Guard<'_, T>` - = note: required because it appears within the type `Nested>` +note: required because it appears within the type `Guard<'_, T>` + --> $DIR/phantom-auto-trait.rs:12:8 + | +LL | struct Guard<'a, T: 'a> { + | ^^^^^ +note: required because it appears within the type `Nested>` + --> $DIR/phantom-auto-trait.rs:16:8 + | +LL | struct Nested(T); + | ^^^^^^ help: consider restricting type parameter `T` | -LL | fn nested_not_sync(x: Nested>) { - | ^^^^^^ +LL | fn nested_not_sync(x: Nested>) { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/privacy/associated-item-privacy-trait.rs b/src/test/ui/privacy/associated-item-privacy-trait.rs index b4e98debcf3f..c07aeed99c74 100644 --- a/src/test/ui/privacy/associated-item-privacy-trait.rs +++ b/src/test/ui/privacy/associated-item-privacy-trait.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![feature(decl_macro, associated_type_defaults)] #![allow(unused, private_in_public)] diff --git a/src/test/ui/privacy/associated-item-privacy-trait.stderr b/src/test/ui/privacy/associated-item-privacy-trait.stderr index 8e58a2fa08d7..e36ce8d54150 100644 --- a/src/test/ui/privacy/associated-item-privacy-trait.stderr +++ b/src/test/ui/privacy/associated-item-privacy-trait.stderr @@ -1,5 +1,5 @@ error: type `for<'r> fn(&'r priv_trait::Pub) {::method}` is private - --> $DIR/associated-item-privacy-trait.rs:17:21 + --> $DIR/associated-item-privacy-trait.rs:15:21 | LL | let value = ::method; | ^^^^^^^^^^^^^^^^^^^^^^^ private type @@ -10,7 +10,7 @@ LL | priv_trait::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `for<'r> fn(&'r priv_trait::Pub) {::method}` is private - --> $DIR/associated-item-privacy-trait.rs:19:9 + --> $DIR/associated-item-privacy-trait.rs:17:9 | LL | value; | ^^^^^ private type @@ -21,7 +21,7 @@ LL | priv_trait::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `for<'r> fn(&'r Self) {::method}` is private - --> $DIR/associated-item-privacy-trait.rs:21:13 + --> $DIR/associated-item-privacy-trait.rs:19:13 | LL | Pub.method(); | ^^^^^^ private type @@ -32,7 +32,7 @@ LL | priv_trait::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: associated constant `::CONST` is private - --> $DIR/associated-item-privacy-trait.rs:23:9 + --> $DIR/associated-item-privacy-trait.rs:21:9 | LL | ::CONST; | ^^^^^^^^^^^^^^^^^^^^^^ private associated constant @@ -43,7 +43,7 @@ LL | priv_trait::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: associated type `::AssocTy` is private - --> $DIR/associated-item-privacy-trait.rs:25:16 + --> $DIR/associated-item-privacy-trait.rs:23:16 | LL | let _: ::AssocTy; | ^^^^^^^^^^^^^^^^^^^^^^^^ private associated type @@ -54,7 +54,7 @@ LL | priv_trait::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: trait `PrivTr` is private - --> $DIR/associated-item-privacy-trait.rs:27:34 + --> $DIR/associated-item-privacy-trait.rs:25:34 | LL | pub type InSignatureTy = ::AssocTy; | ^^^^^^^^^^^^^^^^^^^^^^^^ private trait @@ -65,7 +65,7 @@ LL | priv_trait::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: trait `PrivTr` is private - --> $DIR/associated-item-privacy-trait.rs:29:34 + --> $DIR/associated-item-privacy-trait.rs:27:34 | LL | pub trait InSignatureTr: PrivTr {} | ^^^^^^ private trait @@ -76,7 +76,7 @@ LL | priv_trait::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: trait `PrivTr` is private - --> $DIR/associated-item-privacy-trait.rs:31:14 + --> $DIR/associated-item-privacy-trait.rs:29:14 | LL | impl PrivTr for u8 {} | ^^^^^^ private trait @@ -87,7 +87,7 @@ LL | priv_trait::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_signature::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:48:21 + --> $DIR/associated-item-privacy-trait.rs:46:21 | LL | let value = ::method; | ^^^^^^^^^^^^^^^^^^^^^^ private type @@ -98,7 +98,7 @@ LL | priv_signature::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_signature::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:50:9 + --> $DIR/associated-item-privacy-trait.rs:48:9 | LL | value; | ^^^^^ private type @@ -109,7 +109,7 @@ LL | priv_signature::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_signature::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:52:13 + --> $DIR/associated-item-privacy-trait.rs:50:13 | LL | Pub.method(loop {}); | ^^^^^^ private type @@ -120,7 +120,7 @@ LL | priv_signature::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:69:21 + --> $DIR/associated-item-privacy-trait.rs:67:21 | LL | let value = ::method::; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ private type @@ -131,7 +131,7 @@ LL | priv_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:71:9 + --> $DIR/associated-item-privacy-trait.rs:69:9 | LL | value; | ^^^^^ private type @@ -142,7 +142,7 @@ LL | priv_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:73:9 + --> $DIR/associated-item-privacy-trait.rs:71:9 | LL | Pub.method::(); | ^^^^^^^^^^^^^^^^^^^^ private type @@ -153,7 +153,7 @@ LL | priv_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:93:21 + --> $DIR/associated-item-privacy-trait.rs:91:21 | LL | let value = ::method; | ^^^^^^^^^^^^^^^^^^^^^^ private type @@ -164,7 +164,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:95:9 + --> $DIR/associated-item-privacy-trait.rs:93:9 | LL | value; | ^^^^^ private type @@ -175,7 +175,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:97:21 + --> $DIR/associated-item-privacy-trait.rs:95:21 | LL | let value = >::method; | ^^^^^^^^^^^^^^^^^^^^^^^^^ private type @@ -186,7 +186,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:99:9 + --> $DIR/associated-item-privacy-trait.rs:97:9 | LL | value; | ^^^^^ private type @@ -197,7 +197,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:101:9 + --> $DIR/associated-item-privacy-trait.rs:99:9 | LL | Pub.method(); | ^^^^^^^^^^^^ private type @@ -208,7 +208,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:104:21 + --> $DIR/associated-item-privacy-trait.rs:102:21 | LL | let value = >::method; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ private type @@ -219,7 +219,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:106:9 + --> $DIR/associated-item-privacy-trait.rs:104:9 | LL | value; | ^^^^^ private type @@ -230,7 +230,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:108:9 + --> $DIR/associated-item-privacy-trait.rs:106:9 | LL | Priv.method(); | ^^^^^^^^^^^^^ private type @@ -241,7 +241,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:111:9 + --> $DIR/associated-item-privacy-trait.rs:109:9 | LL | ::CONST; | ^^^^^^^^^^^^^^^^^^^^^ private type @@ -252,7 +252,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:113:9 + --> $DIR/associated-item-privacy-trait.rs:111:9 | LL | >::CONST; | ^^^^^^^^^^^^^^^^^^^^^^^^ private type @@ -263,7 +263,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:115:9 + --> $DIR/associated-item-privacy-trait.rs:113:9 | LL | >::CONST; | ^^^^^^^^^^^^^^^^^^^^^^^^^ private type @@ -274,7 +274,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:119:30 + --> $DIR/associated-item-privacy-trait.rs:117:30 | LL | let _: >::AssocTy; | ^ private type @@ -285,7 +285,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:121:17 + --> $DIR/associated-item-privacy-trait.rs:119:17 | LL | let _: >::AssocTy; | ^^^^ private type @@ -296,7 +296,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:124:35 + --> $DIR/associated-item-privacy-trait.rs:122:35 | LL | pub type InSignatureTy1 = ::AssocTy; | ^^^^^^^^^^^^^^^^^^^^^^^ private type @@ -307,7 +307,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:126:35 + --> $DIR/associated-item-privacy-trait.rs:124:35 | LL | pub type InSignatureTy2 = >::AssocTy; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ private type @@ -318,7 +318,7 @@ LL | priv_parent_substs::mac!(); = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: type `priv_parent_substs::Priv` is private - --> $DIR/associated-item-privacy-trait.rs:128:14 + --> $DIR/associated-item-privacy-trait.rs:126:14 | LL | impl PubTr for u8 {} | ^^^^^ private type diff --git a/src/test/ui/proc-macro/auxiliary/issue-75801.rs b/src/test/ui/proc-macro/auxiliary/issue-75801.rs new file mode 100644 index 000000000000..d6c031d7d4f7 --- /dev/null +++ b/src/test/ui/proc-macro/auxiliary/issue-75801.rs @@ -0,0 +1,13 @@ +// force-host +// no-prefer-dynamic + +#![crate_type = "proc-macro"] + +extern crate proc_macro; + +use proc_macro::TokenStream; + +#[proc_macro_attribute] +pub fn foo(_args: TokenStream, item: TokenStream) -> TokenStream { + item +} diff --git a/src/test/ui/proc-macro/auxiliary/issue-79825.rs b/src/test/ui/proc-macro/auxiliary/issue-79825.rs new file mode 100644 index 000000000000..930891b1d43f --- /dev/null +++ b/src/test/ui/proc-macro/auxiliary/issue-79825.rs @@ -0,0 +1,14 @@ +// force-host +// no-prefer-dynamic +#![crate_type = "proc-macro"] + +extern crate proc_macro; + +use proc_macro::TokenStream; + +#[proc_macro_attribute] +pub fn assert_input(args: TokenStream, input: TokenStream) -> TokenStream { + assert_eq!(input.to_string(), "trait Alias = Sized ;"); + assert!(args.is_empty()); + TokenStream::new() +} diff --git a/src/test/ui/proc-macro/auxiliary/issue-83510.rs b/src/test/ui/proc-macro/auxiliary/issue-83510.rs new file mode 100644 index 000000000000..1d6ef3914a91 --- /dev/null +++ b/src/test/ui/proc-macro/auxiliary/issue-83510.rs @@ -0,0 +1,19 @@ +// force-host +// no-prefer-dynamic + +#![crate_type = "proc-macro"] + +extern crate proc_macro; + +use proc_macro::TokenStream; + +#[proc_macro] +pub fn dance_like_you_want_to_ice(_: TokenStream) -> TokenStream { + r#" + impl Foo { + type Bar = Box<()> + Baz; + } + "# + .parse() + .unwrap() +} diff --git a/src/test/ui/proc-macro/issue-75801.rs b/src/test/ui/proc-macro/issue-75801.rs new file mode 100644 index 000000000000..b07cde0fabd7 --- /dev/null +++ b/src/test/ui/proc-macro/issue-75801.rs @@ -0,0 +1,19 @@ +// aux-build: issue-75801.rs + +// Regression test for #75801. + +#[macro_use] +extern crate issue_75801; + +macro_rules! foo { + ($arg:expr) => { + #[foo] + fn bar() { + let _bar: u32 = $arg; + } + }; +} + +foo!("baz"); //~ ERROR: mismatched types [E0308] + +fn main() {} diff --git a/src/test/ui/proc-macro/issue-75801.stderr b/src/test/ui/proc-macro/issue-75801.stderr new file mode 100644 index 000000000000..ee0a9bd7783e --- /dev/null +++ b/src/test/ui/proc-macro/issue-75801.stderr @@ -0,0 +1,12 @@ +error[E0308]: mismatched types + --> $DIR/issue-75801.rs:17:6 + | +LL | let _bar: u32 = $arg; + | --- expected due to this +... +LL | foo!("baz"); + | ^^^^^ expected `u32`, found `&str` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/proc-macro/issue-79825.rs b/src/test/ui/proc-macro/issue-79825.rs new file mode 100644 index 000000000000..f628469ce3a6 --- /dev/null +++ b/src/test/ui/proc-macro/issue-79825.rs @@ -0,0 +1,10 @@ +// check-pass +// aux-build:issue-79825.rs +#![feature(trait_alias)] + +extern crate issue_79825; + +#[issue_79825::assert_input] +trait Alias = Sized; + +fn main() {} diff --git a/src/test/ui/proc-macro/issue-81555.rs b/src/test/ui/proc-macro/issue-81555.rs new file mode 100644 index 000000000000..693f1f7dc39f --- /dev/null +++ b/src/test/ui/proc-macro/issue-81555.rs @@ -0,0 +1,15 @@ +// check-pass +// aux-build:test-macros.rs +#![feature(stmt_expr_attributes, proc_macro_hygiene)] + +extern crate test_macros; + +use test_macros::identity_attr; + +#[identity_attr] +fn main() { + let _x; + let y = (); + #[identity_attr] + _x = y; +} diff --git a/src/test/ui/proc-macro/issue-83510.rs b/src/test/ui/proc-macro/issue-83510.rs new file mode 100644 index 000000000000..2b1aec4df0be --- /dev/null +++ b/src/test/ui/proc-macro/issue-83510.rs @@ -0,0 +1,11 @@ +// aux-build: issue-83510.rs + +extern crate issue_83510; + +issue_83510::dance_like_you_want_to_ice!(); +//~^ ERROR: cannot find type `Foo` in this scope +//~| ERROR: expected trait, found struct `Box` +//~| ERROR: cannot find trait `Baz` in this scope +//~| ERROR: inherent associated types are unstable + +fn main() {} diff --git a/src/test/ui/proc-macro/issue-83510.stderr b/src/test/ui/proc-macro/issue-83510.stderr new file mode 100644 index 000000000000..e0803550906d --- /dev/null +++ b/src/test/ui/proc-macro/issue-83510.stderr @@ -0,0 +1,38 @@ +error[E0412]: cannot find type `Foo` in this scope + --> $DIR/issue-83510.rs:5:1 + | +LL | issue_83510::dance_like_you_want_to_ice!(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope + | + = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0404]: expected trait, found struct `Box` + --> $DIR/issue-83510.rs:5:1 + | +LL | issue_83510::dance_like_you_want_to_ice!(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a trait + | + = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0405]: cannot find trait `Baz` in this scope + --> $DIR/issue-83510.rs:5:1 + | +LL | issue_83510::dance_like_you_want_to_ice!(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope + | + = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0658]: inherent associated types are unstable + --> $DIR/issue-83510.rs:5:1 + | +LL | issue_83510::dance_like_you_want_to_ice!(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #8995 for more information + = help: add `#![feature(inherent_associated_types)]` to the crate attributes to enable + = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 4 previous errors + +Some errors have detailed explanations: E0404, E0405, E0412, E0658. +For more information about an error, try `rustc --explain E0404`. diff --git a/src/test/ui/proc-macro/meta-macro-hygiene.rs b/src/test/ui/proc-macro/meta-macro-hygiene.rs index 7e839f747f33..2536b2fa9021 100644 --- a/src/test/ui/proc-macro/meta-macro-hygiene.rs +++ b/src/test/ui/proc-macro/meta-macro-hygiene.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // aux-build:make-macro.rs // aux-build:meta-macro.rs // edition:2018 diff --git a/src/test/ui/proc-macro/meta-macro-hygiene.stdout b/src/test/ui/proc-macro/meta-macro-hygiene.stdout index aa51fc8240d6..b7a37ab10ed5 100644 --- a/src/test/ui/proc-macro/meta-macro-hygiene.stdout +++ b/src/test/ui/proc-macro/meta-macro-hygiene.stdout @@ -1,8 +1,7 @@ Def site: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) -Input: TokenStream [Ident { ident: "$crate", span: $DIR/meta-macro-hygiene.rs:24:37: 24:43 (#4) }, Punct { ch: ':', spacing: Joint, span: $DIR/meta-macro-hygiene.rs:24:43: 24:45 (#4) }, Punct { ch: ':', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:24:43: 24:45 (#4) }, Ident { ident: "dummy", span: $DIR/meta-macro-hygiene.rs:24:45: 24:50 (#4) }, Punct { ch: '!', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:24:50: 24:51 (#4) }, Group { delimiter: Parenthesis, stream: TokenStream [], span: $DIR/meta-macro-hygiene.rs:24:51: 24:53 (#4) }] +Input: TokenStream [Ident { ident: "$crate", span: $DIR/meta-macro-hygiene.rs:23:37: 23:43 (#4) }, Punct { ch: ':', spacing: Joint, span: $DIR/meta-macro-hygiene.rs:23:43: 23:45 (#4) }, Punct { ch: ':', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:23:43: 23:45 (#4) }, Ident { ident: "dummy", span: $DIR/meta-macro-hygiene.rs:23:45: 23:50 (#4) }, Punct { ch: '!', spacing: Alone, span: $DIR/meta-macro-hygiene.rs:23:50: 23:51 (#4) }, Group { delimiter: Parenthesis, stream: TokenStream [], span: $DIR/meta-macro-hygiene.rs:23:51: 23:53 (#4) }] Respanned: TokenStream [Ident { ident: "$crate", span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }, Punct { ch: ':', spacing: Joint, span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }, Punct { ch: ':', spacing: Alone, span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }, Ident { ident: "dummy", span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }, Punct { ch: '!', spacing: Alone, span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }, Group { delimiter: Parenthesis, stream: TokenStream [], span: $DIR/auxiliary/make-macro.rs:7:9: 7:56 (#5) }] #![feature /* 0#0 */(prelude_import)] -// ignore-tidy-linelength // aux-build:make-macro.rs // aux-build:meta-macro.rs // edition:2018 diff --git a/src/test/ui/recursion/issue-83150.rs b/src/test/ui/recursion/issue-83150.rs new file mode 100644 index 000000000000..650ad22d206d --- /dev/null +++ b/src/test/ui/recursion/issue-83150.rs @@ -0,0 +1,11 @@ +// build-fail + //~^ overflow evaluating + +fn main() { + let mut iter = 0u8..1; + func(&mut iter) +} + +fn func>(iter: &mut T) { + func(&mut iter.map(|x| x + 1)) +} diff --git a/src/test/ui/recursion/issue-83150.stderr b/src/test/ui/recursion/issue-83150.stderr new file mode 100644 index 000000000000..943d51330976 --- /dev/null +++ b/src/test/ui/recursion/issue-83150.stderr @@ -0,0 +1,8 @@ +error[E0275]: overflow evaluating the requirement `Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut std::ops::Range, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>: Iterator` + | + = help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`issue_83150`) + = note: required because of the requirements on the impl of `Iterator` for `&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut Map<&mut std::ops::Range, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>, [closure@$DIR/issue-83150.rs:10:24: 10:33]>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0275`. diff --git a/src/test/ui/recursion/recursive-requirements.stderr b/src/test/ui/recursion/recursive-requirements.stderr index 6c0be0f7f8d7..0518cc507b50 100644 --- a/src/test/ui/recursion/recursive-requirements.stderr +++ b/src/test/ui/recursion/recursive-requirements.stderr @@ -8,7 +8,11 @@ LL | let _: AssertSync = unimplemented!(); | ^^^^^^^^^^^^^^^ `*const Bar` cannot be shared between threads safely | = help: within `Foo`, the trait `Sync` is not implemented for `*const Bar` - = note: required because it appears within the type `Foo` +note: required because it appears within the type `Foo` + --> $DIR/recursive-requirements.rs:5:12 + | +LL | pub struct Foo { + | ^^^ error[E0277]: `*const Foo` cannot be shared between threads safely --> $DIR/recursive-requirements.rs:16:12 @@ -20,9 +24,17 @@ LL | let _: AssertSync = unimplemented!(); | ^^^^^^^^^^^^^^^ `*const Foo` cannot be shared between threads safely | = help: within `Foo`, the trait `Sync` is not implemented for `*const Foo` - = note: required because it appears within the type `Bar` +note: required because it appears within the type `Bar` + --> $DIR/recursive-requirements.rs:10:12 + | +LL | pub struct Bar { + | ^^^ = note: required because it appears within the type `PhantomData` - = note: required because it appears within the type `Foo` +note: required because it appears within the type `Foo` + --> $DIR/recursive-requirements.rs:5:12 + | +LL | pub struct Foo { + | ^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/regions/regions-enum-not-wf.rs b/src/test/ui/regions/regions-enum-not-wf.rs index 6de08f66d753..8b491ee4e303 100644 --- a/src/test/ui/regions/regions-enum-not-wf.rs +++ b/src/test/ui/regions/regions-enum-not-wf.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // Various examples of structs whose fields are not well-formed. #![allow(dead_code)] diff --git a/src/test/ui/regions/regions-enum-not-wf.stderr b/src/test/ui/regions/regions-enum-not-wf.stderr index 36686eaf92f3..553a3e71c169 100644 --- a/src/test/ui/regions/regions-enum-not-wf.stderr +++ b/src/test/ui/regions/regions-enum-not-wf.stderr @@ -1,5 +1,5 @@ error[E0309]: the parameter type `T` may not live long enough - --> $DIR/regions-enum-not-wf.rs:19:18 + --> $DIR/regions-enum-not-wf.rs:17:18 | LL | enum Ref1<'a, T> { | - help: consider adding an explicit lifetime bound...: `T: 'a` @@ -7,7 +7,7 @@ LL | Ref1Variant1(RequireOutlives<'a, T>), | ^^^^^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds error[E0309]: the parameter type `T` may not live long enough - --> $DIR/regions-enum-not-wf.rs:24:25 + --> $DIR/regions-enum-not-wf.rs:22:25 | LL | enum Ref2<'a, T> { | - help: consider adding an explicit lifetime bound...: `T: 'a` @@ -16,7 +16,7 @@ LL | Ref2Variant2(isize, RequireOutlives<'a, T>), | ^^^^^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds error[E0309]: the parameter type `T` may not live long enough - --> $DIR/regions-enum-not-wf.rs:37:23 + --> $DIR/regions-enum-not-wf.rs:35:23 | LL | enum RefDouble<'a, 'b, T> { | - help: consider adding an explicit lifetime bound...: `T: 'b` diff --git a/src/test/ui/repr/repr-disallow-on-variant.rs b/src/test/ui/repr/repr-disallow-on-variant.rs index 90cad7e647b0..d9bd0b0e38a6 100644 --- a/src/test/ui/repr/repr-disallow-on-variant.rs +++ b/src/test/ui/repr/repr-disallow-on-variant.rs @@ -2,7 +2,7 @@ struct Test; enum Foo { #[repr(u8)] - //~^ ERROR attribute should be applied to a struct, enum, or union + //~^ ERROR attribute should be applied to an enum Variant, } diff --git a/src/test/ui/repr/repr-disallow-on-variant.stderr b/src/test/ui/repr/repr-disallow-on-variant.stderr index 70b45e393fcf..f7e4dcc9d81b 100644 --- a/src/test/ui/repr/repr-disallow-on-variant.stderr +++ b/src/test/ui/repr/repr-disallow-on-variant.stderr @@ -1,11 +1,11 @@ -error[E0517]: attribute should be applied to a struct, enum, or union +error[E0517]: attribute should be applied to an enum --> $DIR/repr-disallow-on-variant.rs:4:12 | LL | #[repr(u8)] | ^^ LL | LL | Variant, - | ------- not a struct, enum, or union + | ------- not an enum error: aborting due to previous error diff --git a/src/test/ui/resolve/issue-82865.rs b/src/test/ui/resolve/issue-82865.rs new file mode 100644 index 000000000000..07d88c413bfa --- /dev/null +++ b/src/test/ui/resolve/issue-82865.rs @@ -0,0 +1,13 @@ +// Regression test for #82865. + +#![feature(decl_macro)] + +use x::y::z; //~ ERROR: failed to resolve: maybe a missing crate `x`? + +macro mac () { + Box::z //~ ERROR: no function or associated item +} + +fn main() { + mac!(); +} diff --git a/src/test/ui/resolve/issue-82865.stderr b/src/test/ui/resolve/issue-82865.stderr new file mode 100644 index 000000000000..027d7a0e0e44 --- /dev/null +++ b/src/test/ui/resolve/issue-82865.stderr @@ -0,0 +1,21 @@ +error[E0433]: failed to resolve: maybe a missing crate `x`? + --> $DIR/issue-82865.rs:5:5 + | +LL | use x::y::z; + | ^ maybe a missing crate `x`? + +error[E0599]: no function or associated item named `z` found for struct `Box<_, _>` in the current scope + --> $DIR/issue-82865.rs:8:10 + | +LL | Box::z + | ^ function or associated item not found in `Box<_, _>` +... +LL | mac!(); + | ------- in this macro invocation + | + = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0433, E0599. +For more information about an error, try `rustc --explain E0433`. diff --git a/src/test/ui/rfc-2093-infer-outlives/regions-enum-not-wf.rs b/src/test/ui/rfc-2093-infer-outlives/regions-enum-not-wf.rs index 6de08f66d753..8b491ee4e303 100644 --- a/src/test/ui/rfc-2093-infer-outlives/regions-enum-not-wf.rs +++ b/src/test/ui/rfc-2093-infer-outlives/regions-enum-not-wf.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // Various examples of structs whose fields are not well-formed. #![allow(dead_code)] diff --git a/src/test/ui/rfc-2093-infer-outlives/regions-enum-not-wf.stderr b/src/test/ui/rfc-2093-infer-outlives/regions-enum-not-wf.stderr index 36686eaf92f3..553a3e71c169 100644 --- a/src/test/ui/rfc-2093-infer-outlives/regions-enum-not-wf.stderr +++ b/src/test/ui/rfc-2093-infer-outlives/regions-enum-not-wf.stderr @@ -1,5 +1,5 @@ error[E0309]: the parameter type `T` may not live long enough - --> $DIR/regions-enum-not-wf.rs:19:18 + --> $DIR/regions-enum-not-wf.rs:17:18 | LL | enum Ref1<'a, T> { | - help: consider adding an explicit lifetime bound...: `T: 'a` @@ -7,7 +7,7 @@ LL | Ref1Variant1(RequireOutlives<'a, T>), | ^^^^^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds error[E0309]: the parameter type `T` may not live long enough - --> $DIR/regions-enum-not-wf.rs:24:25 + --> $DIR/regions-enum-not-wf.rs:22:25 | LL | enum Ref2<'a, T> { | - help: consider adding an explicit lifetime bound...: `T: 'a` @@ -16,7 +16,7 @@ LL | Ref2Variant2(isize, RequireOutlives<'a, T>), | ^^^^^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds error[E0309]: the parameter type `T` may not live long enough - --> $DIR/regions-enum-not-wf.rs:37:23 + --> $DIR/regions-enum-not-wf.rs:35:23 | LL | enum RefDouble<'a, 'b, T> { | - help: consider adding an explicit lifetime bound...: `T: 'b` diff --git a/src/test/ui/rfc-2457/extern_block_nonascii_forbidden.rs b/src/test/ui/rfc-2457/extern_block_nonascii_forbidden.rs new file mode 100644 index 000000000000..c70ced731d54 --- /dev/null +++ b/src/test/ui/rfc-2457/extern_block_nonascii_forbidden.rs @@ -0,0 +1,10 @@ +#![feature(extern_types)] +#![feature(non_ascii_idents)] + +extern "C" { + type 一; //~ items in `extern` blocks cannot use non-ascii identifiers + fn 二(); //~ items in `extern` blocks cannot use non-ascii identifiers + static 三: usize; //~ items in `extern` blocks cannot use non-ascii identifiers +} + +fn main() {} diff --git a/src/test/ui/rfc-2457/extern_block_nonascii_forbidden.stderr b/src/test/ui/rfc-2457/extern_block_nonascii_forbidden.stderr new file mode 100644 index 000000000000..3b18c06ec5c4 --- /dev/null +++ b/src/test/ui/rfc-2457/extern_block_nonascii_forbidden.stderr @@ -0,0 +1,34 @@ +error: items in `extern` blocks cannot use non-ascii identifiers + --> $DIR/extern_block_nonascii_forbidden.rs:5:10 + | +LL | extern "C" { + | ---------- in this `extern` block +LL | type 一; + | ^^ + | + = note: This limitation may be lifted in the future; see issue #83942 for more information + +error: items in `extern` blocks cannot use non-ascii identifiers + --> $DIR/extern_block_nonascii_forbidden.rs:6:8 + | +LL | extern "C" { + | ---------- in this `extern` block +LL | type 一; +LL | fn 二(); + | ^^ + | + = note: This limitation may be lifted in the future; see issue #83942 for more information + +error: items in `extern` blocks cannot use non-ascii identifiers + --> $DIR/extern_block_nonascii_forbidden.rs:7:12 + | +LL | extern "C" { + | ---------- in this `extern` block +... +LL | static 三: usize; + | ^^ + | + = note: This limitation may be lifted in the future; see issue #83942 for more information + +error: aborting due to 3 previous errors + diff --git a/src/test/ui/rfc-2457/mod_file_nonascii_forbidden.stderr b/src/test/ui/rfc-2457/mod_file_nonascii_forbidden.stderr index be729836f4f2..6e06ab737c21 100644 --- a/src/test/ui/rfc-2457/mod_file_nonascii_forbidden.stderr +++ b/src/test/ui/rfc-2457/mod_file_nonascii_forbidden.stderr @@ -6,7 +6,7 @@ LL | mod řųśť; | = help: to create the module `řųśť`, create file "$DIR/řųśť.rs" -error[E0754]: trying to load file for module `řųśť` with non ascii identifer name +error[E0754]: trying to load file for module `řųśť` with non-ascii identifier name --> $DIR/mod_file_nonascii_forbidden.rs:3:5 | LL | mod řųśť; diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-and-non-const-impl.stderr b/src/test/ui/rfc-2632-const-trait-impl/const-and-non-const-impl.stderr index 2b4fa66ecf28..99560ed06888 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/const-and-non-const-impl.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/const-and-non-const-impl.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::ops::Add` for type `i32`: +error[E0119]: conflicting implementations of trait `std::ops::Add` for type `i32` --> $DIR/const-and-non-const-impl.rs:6:1 | LL | impl const std::ops::Add for i32 { @@ -7,7 +7,7 @@ LL | impl const std::ops::Add for i32 { = note: conflicting implementation in crate `core`: - impl Add for i32; -error[E0119]: conflicting implementations of trait `std::ops::Add` for type `Int`: +error[E0119]: conflicting implementations of trait `std::ops::Add` for type `Int` --> $DIR/const-and-non-const-impl.rs:24:1 | LL | impl std::ops::Add for Int { diff --git a/src/test/ui/rfc1623.nll.stderr b/src/test/ui/rfc1623.nll.stderr index b5dd0c9d2a6c..a3d94679434d 100644 --- a/src/test/ui/rfc1623.nll.stderr +++ b/src/test/ui/rfc1623.nll.stderr @@ -11,7 +11,11 @@ LL | | }; | = help: within `&SomeStruct`, the trait `Sync` is not implemented for `dyn for<'a, 'b> Fn(&'a Foo<'b>) -> &'a Foo<'b>` = note: required because it appears within the type `&dyn for<'a, 'b> Fn(&'a Foo<'b>) -> &'a Foo<'b>` - = note: required because it appears within the type `SomeStruct` +note: required because it appears within the type `SomeStruct` + --> $DIR/rfc1623.rs:11:8 + | +LL | struct SomeStruct<'x, 'y, 'z: 'x> { + | ^^^^^^^^^^ = note: required because it appears within the type `&SomeStruct` = note: shared static variables must have a type that implements `Sync` diff --git a/src/test/ui/sanitize/unsupported-target.rs b/src/test/ui/sanitize/unsupported-target.rs index 6ccc9988cdec..3fb749815f7c 100644 --- a/src/test/ui/sanitize/unsupported-target.rs +++ b/src/test/ui/sanitize/unsupported-target.rs @@ -1,6 +1,5 @@ // compile-flags: -Z sanitizer=leak --target i686-unknown-linux-gnu -// error-pattern: error: `-Zsanitizer=leak` only works with targets: - +// error-pattern: error: leak sanitizer is not supported for this target #![feature(no_core)] #![no_core] #![no_main] diff --git a/src/test/ui/sanitize/unsupported-target.stderr b/src/test/ui/sanitize/unsupported-target.stderr index 093678707fb9..9bb8405020d7 100644 --- a/src/test/ui/sanitize/unsupported-target.stderr +++ b/src/test/ui/sanitize/unsupported-target.stderr @@ -1,4 +1,4 @@ -error: `-Zsanitizer=leak` only works with targets: aarch64-apple-darwin, aarch64-unknown-linux-gnu, x86_64-apple-darwin, x86_64-unknown-linux-gnu +error: leak sanitizer is not supported for this target error: aborting due to previous error diff --git a/src/test/ui/self/point-at-arbitrary-self-type-method.stderr b/src/test/ui/self/point-at-arbitrary-self-type-method.stderr index 2954a499c18c..b804ddfb024b 100644 --- a/src/test/ui/self/point-at-arbitrary-self-type-method.stderr +++ b/src/test/ui/self/point-at-arbitrary-self-type-method.stderr @@ -9,6 +9,11 @@ LL | fn foo(self: Box) {} ... LL | A.foo(); | ^^^ method not found in `A` + | +help: consider wrapping the receiver expression with the appropriate type + | +LL | Box::new(A).foo(); + | ^^^^^^^^^ ^ error: aborting due to previous error diff --git a/src/test/ui/self/point-at-arbitrary-self-type-trait-method.stderr b/src/test/ui/self/point-at-arbitrary-self-type-trait-method.stderr index 89fe84c0d2d4..e1ed0e42f985 100644 --- a/src/test/ui/self/point-at-arbitrary-self-type-trait-method.stderr +++ b/src/test/ui/self/point-at-arbitrary-self-type-trait-method.stderr @@ -10,6 +10,11 @@ LL | struct A; ... LL | A.foo() | ^^^ method not found in `A` + | +help: consider wrapping the receiver expression with the appropriate type + | +LL | Box::new(A).foo() + | ^^^^^^^^^ ^ error: aborting due to previous error diff --git a/src/test/ui/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs b/src/test/ui/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs index 4d23a1911a3c..9736d1b964da 100644 --- a/src/test/ui/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs +++ b/src/test/ui/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs @@ -1,6 +1,5 @@ // build-fail // ignore-emscripten -// ignore-tidy-linelength #![feature(repr_simd, platform_intrinsics)] #![allow(non_camel_case_types)] #[repr(simd)] diff --git a/src/test/ui/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.stderr b/src/test/ui/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.stderr index 1ed472a485d1..0e88540bcc8e 100644 --- a/src/test/ui/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.stderr +++ b/src/test/ui/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.stderr @@ -1,11 +1,11 @@ error[E0511]: invalid monomorphization of `simd_saturating_add` intrinsic: expected element type `f32` of vector type `f32x4` to be a signed or unsigned integer type - --> $DIR/simd-intrinsic-generic-arithmetic-saturating.rs:34:9 + --> $DIR/simd-intrinsic-generic-arithmetic-saturating.rs:33:9 | LL | simd_saturating_add(z, z); | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0511]: invalid monomorphization of `simd_saturating_sub` intrinsic: expected element type `f32` of vector type `f32x4` to be a signed or unsigned integer type - --> $DIR/simd-intrinsic-generic-arithmetic-saturating.rs:36:9 + --> $DIR/simd-intrinsic-generic-arithmetic-saturating.rs:35:9 | LL | simd_saturating_sub(z, z); | ^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/simd/simd-type-generic-monomorphisation.rs b/src/test/ui/simd/simd-type-generic-monomorphisation.rs index 0275f0ce4c15..12f9d65d77af 100644 --- a/src/test/ui/simd/simd-type-generic-monomorphisation.rs +++ b/src/test/ui/simd/simd-type-generic-monomorphisation.rs @@ -2,7 +2,6 @@ #![feature(repr_simd, platform_intrinsics)] -// ignore-tidy-linelength // error-pattern:monomorphising SIMD type `Simd2` with a non-primitive-scalar (integer/float/pointer) element type `X` diff --git a/src/test/ui/simd/simd-type.rs b/src/test/ui/simd/simd-type.rs index 73d032a0c8e5..d82c70b8d826 100644 --- a/src/test/ui/simd/simd-type.rs +++ b/src/test/ui/simd/simd-type.rs @@ -1,7 +1,6 @@ #![feature(repr_simd)] #![allow(non_camel_case_types)] -// ignore-tidy-linelength #[repr(simd)] struct empty; //~ ERROR SIMD vector cannot be empty diff --git a/src/test/ui/simd/simd-type.stderr b/src/test/ui/simd/simd-type.stderr index 823f10f5daf2..4e4a19ea32ad 100644 --- a/src/test/ui/simd/simd-type.stderr +++ b/src/test/ui/simd/simd-type.stderr @@ -1,35 +1,35 @@ error[E0075]: SIMD vector cannot be empty - --> $DIR/simd-type.rs:7:1 + --> $DIR/simd-type.rs:6:1 | LL | struct empty; | ^^^^^^^^^^^^^ error[E0075]: SIMD vector cannot be empty - --> $DIR/simd-type.rs:10:1 + --> $DIR/simd-type.rs:9:1 | LL | struct empty2([f32; 0]); | ^^^^^^^^^^^^^^^^^^^^^^^^ error[E0076]: SIMD vector should be homogeneous - --> $DIR/simd-type.rs:16:1 + --> $DIR/simd-type.rs:15:1 | LL | struct i64f64(i64, f64); | ^^^^^^^^^^^^^^^^^^^^^^^^ SIMD elements must have the same type error[E0077]: SIMD vector element type should be a primitive scalar (integer/float/pointer) type - --> $DIR/simd-type.rs:21:1 + --> $DIR/simd-type.rs:20:1 | LL | struct FooV(Foo, Foo); | ^^^^^^^^^^^^^^^^^^^^^^ error[E0077]: SIMD vector element type should be a primitive scalar (integer/float/pointer) type - --> $DIR/simd-type.rs:24:1 + --> $DIR/simd-type.rs:23:1 | LL | struct FooV2([Foo; 2]); | ^^^^^^^^^^^^^^^^^^^^^^^ error[E0075]: SIMD vector cannot have more than 32768 elements - --> $DIR/simd-type.rs:27:1 + --> $DIR/simd-type.rs:26:1 | LL | struct TooBig([f32; 65536]); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/single-primitive-inherent-impl.rs b/src/test/ui/single-primitive-inherent-impl.rs index baa23396c162..75c62feec32d 100644 --- a/src/test/ui/single-primitive-inherent-impl.rs +++ b/src/test/ui/single-primitive-inherent-impl.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - #![crate_type = "lib"] #![feature(lang_items)] #![no_std] diff --git a/src/test/ui/single-primitive-inherent-impl.stderr b/src/test/ui/single-primitive-inherent-impl.stderr index 50a0d5bef86d..349a12eac05a 100644 --- a/src/test/ui/single-primitive-inherent-impl.stderr +++ b/src/test/ui/single-primitive-inherent-impl.stderr @@ -1,5 +1,5 @@ error[E0390]: only a single inherent implementation marked with `#[lang = "str"]` is allowed for the `str` primitive - --> $DIR/single-primitive-inherent-impl.rs:11:1 + --> $DIR/single-primitive-inherent-impl.rs:9:1 | LL | / impl str { LL | | diff --git a/src/test/ui/specialization/deafult-generic-associated-type-bound.stderr b/src/test/ui/specialization/deafult-generic-associated-type-bound.stderr index b5a1877ea193..eb5d80bc4dda 100644 --- a/src/test/ui/specialization/deafult-generic-associated-type-bound.stderr +++ b/src/test/ui/specialization/deafult-generic-associated-type-bound.stderr @@ -28,8 +28,8 @@ LL | default type U<'a> = &'a T; = note: required because of the requirements on the impl of `PartialEq` for `&'a T` help: consider further restricting this bound | -LL | impl X for T { - | ^^^^^^^^^^^ +LL | impl X for T { + | ^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error; 2 warnings emitted diff --git a/src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr b/src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr index 57b90c457cb7..e416f30cb415 100644 --- a/src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr +++ b/src/test/ui/specialization/defaultimpl/specialization-wfcheck.stderr @@ -19,8 +19,8 @@ LL | default impl Foo<'static, U> for () {} | help: consider restricting type parameter `U` | -LL | default impl Foo<'static, U> for () {} - | ^^^^ +LL | default impl Foo<'static, U> for () {} + | ^^^^^^^^^^^^^^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/specialization/issue-38091-2.stderr b/src/test/ui/specialization/issue-38091-2.stderr index bd5ed498d92c..a93f27ff051f 100644 --- a/src/test/ui/specialization/issue-38091-2.stderr +++ b/src/test/ui/specialization/issue-38091-2.stderr @@ -10,7 +10,11 @@ LL | #![feature(specialization)] error[E0275]: overflow evaluating the requirement `i32: Check` | - = note: required because of the requirements on the impl of `Iterate` for `i32` +note: required because of the requirements on the impl of `Iterate` for `i32` + --> $DIR/issue-38091-2.rs:11:13 + | +LL | impl<'a, T> Iterate<'a> for T + | ^^^^^^^^^^^ ^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/specialization/issue-39448.stderr b/src/test/ui/specialization/issue-39448.stderr index 98e49b1bab3b..c4fc44c737ec 100644 --- a/src/test/ui/specialization/issue-39448.stderr +++ b/src/test/ui/specialization/issue-39448.stderr @@ -14,8 +14,16 @@ error[E0275]: overflow evaluating the requirement `T: FromA` LL | x.foo(y.to()).to() | ^^ | - = note: required because of the requirements on the impl of `FromA` for `T` - = note: required because of the requirements on the impl of `ToA` for `U` +note: required because of the requirements on the impl of `FromA` for `T` + --> $DIR/issue-39448.rs:24:29 + | +LL | impl> FromA for U { + | ^^^^^^^^ ^ +note: required because of the requirements on the impl of `ToA` for `U` + --> $DIR/issue-39448.rs:34:12 + | +LL | impl ToA for T + | ^^^^^^ ^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/specialization/issue-52050.stderr b/src/test/ui/specialization/issue-52050.stderr index 27070f8e4a1c..ab3cf27d0d05 100644 --- a/src/test/ui/specialization/issue-52050.stderr +++ b/src/test/ui/specialization/issue-52050.stderr @@ -8,7 +8,7 @@ LL | #![feature(specialization)] = note: see issue #31844 for more information = help: consider using `min_specialization` instead, which is more stable and complete -error[E0119]: conflicting implementations of trait `IntoPyDictPointer` for type `()`: +error[E0119]: conflicting implementations of trait `IntoPyDictPointer` for type `()` --> $DIR/issue-52050.rs:28:1 | LL | / impl IntoPyDictPointer for I diff --git a/src/test/ui/specialization/issue-68830-spurious-diagnostics.rs b/src/test/ui/specialization/issue-68830-spurious-diagnostics.rs new file mode 100644 index 000000000000..d11ec7983321 --- /dev/null +++ b/src/test/ui/specialization/issue-68830-spurious-diagnostics.rs @@ -0,0 +1,23 @@ +// A regression test for #68830. This checks we don't emit +// a verbose `conflicting implementations` error. + +#![feature(specialization)] +#![allow(incomplete_features)] + +struct BadStruct { + err: MissingType //~ ERROR: cannot find type `MissingType` in this scope +} + +trait MyTrait { + fn foo(); +} + +impl MyTrait for D { + default fn foo() {} +} + +impl MyTrait for BadStruct { + fn foo() {} +} + +fn main() {} diff --git a/src/test/ui/specialization/issue-68830-spurious-diagnostics.stderr b/src/test/ui/specialization/issue-68830-spurious-diagnostics.stderr new file mode 100644 index 000000000000..833f61dca8ca --- /dev/null +++ b/src/test/ui/specialization/issue-68830-spurious-diagnostics.stderr @@ -0,0 +1,9 @@ +error[E0412]: cannot find type `MissingType` in this scope + --> $DIR/issue-68830-spurious-diagnostics.rs:8:10 + | +LL | err: MissingType + | ^^^^^^^^^^^ not found in this scope + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0412`. diff --git a/src/test/ui/specialization/min_specialization/repeated_projection_type.stderr b/src/test/ui/specialization/min_specialization/repeated_projection_type.stderr index 92208231b173..fa59d7a03139 100644 --- a/src/test/ui/specialization/min_specialization/repeated_projection_type.stderr +++ b/src/test/ui/specialization/min_specialization/repeated_projection_type.stderr @@ -1,4 +1,4 @@ -error: cannot specialize on `Binder(ProjectionPredicate(ProjectionTy { substs: [V], item_def_id: DefId(0:6 ~ repeated_projection_type[317d]::Id::This) }, (I,)))` +error: cannot specialize on `Binder(ProjectionPredicate(ProjectionTy { substs: [V], item_def_id: DefId(0:6 ~ repeated_projection_type[317d]::Id::This) }, (I,)), [])` --> $DIR/repeated_projection_type.rs:19:1 | LL | / impl> X for V { diff --git a/src/test/ui/specialization/specialization-feature-gate-overlap.stderr b/src/test/ui/specialization/specialization-feature-gate-overlap.stderr index baaf7aa43321..9157ad0d46a1 100644 --- a/src/test/ui/specialization/specialization-feature-gate-overlap.stderr +++ b/src/test/ui/specialization/specialization-feature-gate-overlap.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Foo` for type `u8`: +error[E0119]: conflicting implementations of trait `Foo` for type `u8` --> $DIR/specialization-feature-gate-overlap.rs:13:1 | LL | impl Foo for T { diff --git a/src/test/ui/specialization/specialization-overlap.stderr b/src/test/ui/specialization/specialization-overlap.stderr index 7e5c96ac1c88..3ccbe1616e80 100644 --- a/src/test/ui/specialization/specialization-overlap.stderr +++ b/src/test/ui/specialization/specialization-overlap.stderr @@ -8,7 +8,7 @@ LL | #![feature(specialization)] = note: see issue #31844 for more information = help: consider using `min_specialization` instead, which is more stable and complete -error[E0119]: conflicting implementations of trait `Foo` for type `std::vec::Vec<_>`: +error[E0119]: conflicting implementations of trait `Foo` for type `std::vec::Vec<_>` --> $DIR/specialization-overlap.rs:5:1 | LL | impl Foo for T {} @@ -16,7 +16,7 @@ LL | impl Foo for T {} LL | impl Foo for Vec {} | ^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::vec::Vec<_>` -error[E0119]: conflicting implementations of trait `Bar` for type `(u8, u8)`: +error[E0119]: conflicting implementations of trait `Bar` for type `(u8, u8)` --> $DIR/specialization-overlap.rs:9:1 | LL | impl Bar for (T, u8) {} @@ -24,7 +24,7 @@ LL | impl Bar for (T, u8) {} LL | impl Bar for (u8, T) {} | ^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(u8, u8)` -error[E0119]: conflicting implementations of trait `Baz` for type `u8`: +error[E0119]: conflicting implementations of trait `Baz` for type `u8` --> $DIR/specialization-overlap.rs:13:1 | LL | impl Baz for u8 {} @@ -32,7 +32,7 @@ LL | impl Baz for u8 {} LL | impl Baz for T {} | ^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u8` -error[E0119]: conflicting implementations of trait `Qux`: +error[E0119]: conflicting implementations of trait `Qux` --> $DIR/specialization-overlap.rs:17:1 | LL | impl Qux for T {} diff --git a/src/test/ui/stability-attribute/generics-default-stability-where.rs b/src/test/ui/stability-attribute/generics-default-stability-where.rs index 3fd14e25d0ef..4afbca262649 100644 --- a/src/test/ui/stability-attribute/generics-default-stability-where.rs +++ b/src/test/ui/stability-attribute/generics-default-stability-where.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // aux-build:unstable_generic_param.rs extern crate unstable_generic_param; diff --git a/src/test/ui/stability-attribute/generics-default-stability-where.stderr b/src/test/ui/stability-attribute/generics-default-stability-where.stderr index 19fa09f311ba..61253adc892b 100644 --- a/src/test/ui/stability-attribute/generics-default-stability-where.stderr +++ b/src/test/ui/stability-attribute/generics-default-stability-where.stderr @@ -1,5 +1,5 @@ error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability-where.rs:8:45 + --> $DIR/generics-default-stability-where.rs:7:45 | LL | impl Trait3 for T where T: Trait2 { | ^^^^^ diff --git a/src/test/ui/stability-attribute/generics-default-stability.rs b/src/test/ui/stability-attribute/generics-default-stability.rs index d6f28e3e447e..67f2334efc88 100644 --- a/src/test/ui/stability-attribute/generics-default-stability.rs +++ b/src/test/ui/stability-attribute/generics-default-stability.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // aux-build:unstable_generic_param.rs #![feature(unstable_default6)] diff --git a/src/test/ui/stability-attribute/generics-default-stability.stderr b/src/test/ui/stability-attribute/generics-default-stability.stderr index 45194413ccee..99523f8eb645 100644 --- a/src/test/ui/stability-attribute/generics-default-stability.stderr +++ b/src/test/ui/stability-attribute/generics-default-stability.stderr @@ -1,5 +1,5 @@ error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:17:13 + --> $DIR/generics-default-stability.rs:16:13 | LL | impl Trait1 for S { | ^^^^^ @@ -7,7 +7,7 @@ LL | impl Trait1 for S { = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:21:13 + --> $DIR/generics-default-stability.rs:20:13 | LL | impl Trait1 for S { | ^^^^^ @@ -15,7 +15,7 @@ LL | impl Trait1 for S { = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:25:13 + --> $DIR/generics-default-stability.rs:24:13 | LL | impl Trait2 for S { | ^^^^^ @@ -23,7 +23,7 @@ LL | impl Trait2 for S { = help: add `#![feature(unstable_default)]` to the crate attributes to enable warning: use of deprecated struct `unstable_generic_param::Struct4`: test - --> $DIR/generics-default-stability.rs:84:29 + --> $DIR/generics-default-stability.rs:83:29 | LL | let _: Struct4 = Struct4 { field: 1 }; | ^^^^^^^ @@ -31,217 +31,217 @@ LL | let _: Struct4 = Struct4 { field: 1 }; = note: `#[warn(deprecated)]` on by default warning: use of deprecated struct `unstable_generic_param::Struct4`: test - --> $DIR/generics-default-stability.rs:84:12 + --> $DIR/generics-default-stability.rs:83:12 | LL | let _: Struct4 = Struct4 { field: 1 }; | ^^^^^^^^^^^^^^ warning: use of deprecated struct `unstable_generic_param::Struct4`: test - --> $DIR/generics-default-stability.rs:89:12 + --> $DIR/generics-default-stability.rs:88:12 | LL | let _: Struct4 = STRUCT4; | ^^^^^^^ warning: use of deprecated struct `unstable_generic_param::Struct4`: test - --> $DIR/generics-default-stability.rs:90:12 + --> $DIR/generics-default-stability.rs:89:12 | LL | let _: Struct4 = STRUCT4; | ^^^^^^^^^^^^^^ warning: use of deprecated struct `unstable_generic_param::Struct4`: test - --> $DIR/generics-default-stability.rs:91:29 + --> $DIR/generics-default-stability.rs:90:29 | LL | let _: Struct4 = Struct4 { field: 0 }; | ^^^^^^^ warning: use of deprecated struct `unstable_generic_param::Struct4`: test - --> $DIR/generics-default-stability.rs:91:12 + --> $DIR/generics-default-stability.rs:90:12 | LL | let _: Struct4 = Struct4 { field: 0 }; | ^^^^^^^^^^^^^^ warning: use of deprecated struct `unstable_generic_param::Struct5`: test - --> $DIR/generics-default-stability.rs:97:29 + --> $DIR/generics-default-stability.rs:96:29 | LL | let _: Struct5 = Struct5 { field: 1 }; | ^^^^^^^ warning: use of deprecated struct `unstable_generic_param::Struct5`: test - --> $DIR/generics-default-stability.rs:97:12 + --> $DIR/generics-default-stability.rs:96:12 | LL | let _: Struct5 = Struct5 { field: 1 }; | ^^^^^^^^^^^^^^ warning: use of deprecated struct `unstable_generic_param::Struct5`: test - --> $DIR/generics-default-stability.rs:102:12 + --> $DIR/generics-default-stability.rs:101:12 | LL | let _: Struct5 = STRUCT5; | ^^^^^^^ warning: use of deprecated struct `unstable_generic_param::Struct5`: test - --> $DIR/generics-default-stability.rs:103:12 + --> $DIR/generics-default-stability.rs:102:12 | LL | let _: Struct5 = STRUCT5; | ^^^^^^^^^^^^^^ warning: use of deprecated struct `unstable_generic_param::Struct5`: test - --> $DIR/generics-default-stability.rs:105:29 + --> $DIR/generics-default-stability.rs:104:29 | LL | let _: Struct5 = Struct5 { field: 0 }; | ^^^^^^^ warning: use of deprecated struct `unstable_generic_param::Struct5`: test - --> $DIR/generics-default-stability.rs:105:12 + --> $DIR/generics-default-stability.rs:104:12 | LL | let _: Struct5 = Struct5 { field: 0 }; | ^^^^^^^^^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias4`: test - --> $DIR/generics-default-stability.rs:160:28 + --> $DIR/generics-default-stability.rs:159:28 | LL | let _: Alias4 = Alias4::Some(1); | ^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias4`: test - --> $DIR/generics-default-stability.rs:160:12 + --> $DIR/generics-default-stability.rs:159:12 | LL | let _: Alias4 = Alias4::Some(1); | ^^^^^^^^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias4`: test - --> $DIR/generics-default-stability.rs:164:12 + --> $DIR/generics-default-stability.rs:163:12 | LL | let _: Alias4 = ALIAS4; | ^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias4`: test - --> $DIR/generics-default-stability.rs:165:12 + --> $DIR/generics-default-stability.rs:164:12 | LL | let _: Alias4 = ALIAS4; | ^^^^^^^^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias4`: test - --> $DIR/generics-default-stability.rs:166:28 + --> $DIR/generics-default-stability.rs:165:28 | LL | let _: Alias4 = Alias4::Some(0); | ^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias4`: test - --> $DIR/generics-default-stability.rs:166:12 + --> $DIR/generics-default-stability.rs:165:12 | LL | let _: Alias4 = Alias4::Some(0); | ^^^^^^^^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias5`: test - --> $DIR/generics-default-stability.rs:171:28 + --> $DIR/generics-default-stability.rs:170:28 | LL | let _: Alias5 = Alias5::Some(1); | ^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias5`: test - --> $DIR/generics-default-stability.rs:171:12 + --> $DIR/generics-default-stability.rs:170:12 | LL | let _: Alias5 = Alias5::Some(1); | ^^^^^^^^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias5`: test - --> $DIR/generics-default-stability.rs:175:12 + --> $DIR/generics-default-stability.rs:174:12 | LL | let _: Alias5 = ALIAS5; | ^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias5`: test - --> $DIR/generics-default-stability.rs:176:12 + --> $DIR/generics-default-stability.rs:175:12 | LL | let _: Alias5 = ALIAS5; | ^^^^^^^^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias5`: test - --> $DIR/generics-default-stability.rs:178:28 + --> $DIR/generics-default-stability.rs:177:28 | LL | let _: Alias5 = Alias5::Some(0); | ^^^^^^ warning: use of deprecated type alias `unstable_generic_param::Alias5`: test - --> $DIR/generics-default-stability.rs:178:12 + --> $DIR/generics-default-stability.rs:177:12 | LL | let _: Alias5 = Alias5::Some(0); | ^^^^^^^^^^^^^ warning: use of deprecated variant `unstable_generic_param::Enum4::Some`: test - --> $DIR/generics-default-stability.rs:232:27 + --> $DIR/generics-default-stability.rs:231:27 | LL | let _: Enum4 = Enum4::Some(1); | ^^^^^^^^^^^ warning: use of deprecated enum `unstable_generic_param::Enum4`: test - --> $DIR/generics-default-stability.rs:232:12 + --> $DIR/generics-default-stability.rs:231:12 | LL | let _: Enum4 = Enum4::Some(1); | ^^^^^^^^^^^^ warning: use of deprecated enum `unstable_generic_param::Enum4`: test - --> $DIR/generics-default-stability.rs:236:12 + --> $DIR/generics-default-stability.rs:235:12 | LL | let _: Enum4 = ENUM4; | ^^^^^ warning: use of deprecated enum `unstable_generic_param::Enum4`: test - --> $DIR/generics-default-stability.rs:237:12 + --> $DIR/generics-default-stability.rs:236:12 | LL | let _: Enum4 = ENUM4; | ^^^^^^^^^^^^ warning: use of deprecated variant `unstable_generic_param::Enum4::Some`: test - --> $DIR/generics-default-stability.rs:238:27 + --> $DIR/generics-default-stability.rs:237:27 | LL | let _: Enum4 = Enum4::Some(0); | ^^^^^^^^^^^ warning: use of deprecated enum `unstable_generic_param::Enum4`: test - --> $DIR/generics-default-stability.rs:238:12 + --> $DIR/generics-default-stability.rs:237:12 | LL | let _: Enum4 = Enum4::Some(0); | ^^^^^^^^^^^^ warning: use of deprecated variant `unstable_generic_param::Enum5::Some`: test - --> $DIR/generics-default-stability.rs:243:27 + --> $DIR/generics-default-stability.rs:242:27 | LL | let _: Enum5 = Enum5::Some(1); | ^^^^^^^^^^^ warning: use of deprecated enum `unstable_generic_param::Enum5`: test - --> $DIR/generics-default-stability.rs:243:12 + --> $DIR/generics-default-stability.rs:242:12 | LL | let _: Enum5 = Enum5::Some(1); | ^^^^^^^^^^^^ warning: use of deprecated enum `unstable_generic_param::Enum5`: test - --> $DIR/generics-default-stability.rs:247:12 + --> $DIR/generics-default-stability.rs:246:12 | LL | let _: Enum5 = ENUM5; | ^^^^^ warning: use of deprecated enum `unstable_generic_param::Enum5`: test - --> $DIR/generics-default-stability.rs:248:12 + --> $DIR/generics-default-stability.rs:247:12 | LL | let _: Enum5 = ENUM5; | ^^^^^^^^^^^^ warning: use of deprecated variant `unstable_generic_param::Enum5::Some`: test - --> $DIR/generics-default-stability.rs:250:27 + --> $DIR/generics-default-stability.rs:249:27 | LL | let _: Enum5 = Enum5::Some(0); | ^^^^^^^^^^^ warning: use of deprecated enum `unstable_generic_param::Enum5`: test - --> $DIR/generics-default-stability.rs:250:12 + --> $DIR/generics-default-stability.rs:249:12 | LL | let _: Enum5 = Enum5::Some(0); | ^^^^^^^^^^^^ error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:36:20 + --> $DIR/generics-default-stability.rs:35:20 | LL | let _: Struct1 = Struct1 { field: 1 }; | ^^^^^ @@ -249,7 +249,7 @@ LL | let _: Struct1 = Struct1 { field: 1 }; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:40:20 + --> $DIR/generics-default-stability.rs:39:20 | LL | let _: Struct1 = STRUCT1; | ^^^^^ @@ -257,7 +257,7 @@ LL | let _: Struct1 = STRUCT1; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:41:20 + --> $DIR/generics-default-stability.rs:40:20 | LL | let _: Struct1 = Struct1 { field: 0 }; | ^^^^^ @@ -265,7 +265,7 @@ LL | let _: Struct1 = Struct1 { field: 0 }; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:70:27 + --> $DIR/generics-default-stability.rs:69:27 | LL | let _: Struct3 = STRUCT3; | ^^^^^ @@ -273,7 +273,7 @@ LL | let _: Struct3 = STRUCT3; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:72:27 + --> $DIR/generics-default-stability.rs:71:27 | LL | let _: Struct3 = Struct3 { field1: 0, field2: 0 }; | ^^^^^ @@ -281,7 +281,7 @@ LL | let _: Struct3 = Struct3 { field1: 0, field2: 0 }; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:73:27 + --> $DIR/generics-default-stability.rs:72:27 | LL | let _: Struct3 = Struct3 { field1: 0, field2: 0 }; | ^^^^^ @@ -289,7 +289,7 @@ LL | let _: Struct3 = Struct3 { field1: 0, field2: 0 }; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:97:20 + --> $DIR/generics-default-stability.rs:96:20 | LL | let _: Struct5 = Struct5 { field: 1 }; | ^^^^^ @@ -297,7 +297,7 @@ LL | let _: Struct5 = Struct5 { field: 1 }; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:103:20 + --> $DIR/generics-default-stability.rs:102:20 | LL | let _: Struct5 = STRUCT5; | ^^^^^ @@ -305,7 +305,7 @@ LL | let _: Struct5 = STRUCT5; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:105:20 + --> $DIR/generics-default-stability.rs:104:20 | LL | let _: Struct5 = Struct5 { field: 0 }; | ^^^^^ @@ -313,7 +313,7 @@ LL | let _: Struct5 = Struct5 { field: 0 }; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:113:19 + --> $DIR/generics-default-stability.rs:112:19 | LL | let _: Alias1 = Alias1::Some(1); | ^^^^^ @@ -321,7 +321,7 @@ LL | let _: Alias1 = Alias1::Some(1); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:117:19 + --> $DIR/generics-default-stability.rs:116:19 | LL | let _: Alias1 = ALIAS1; | ^^^^^ @@ -329,7 +329,7 @@ LL | let _: Alias1 = ALIAS1; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:118:19 + --> $DIR/generics-default-stability.rs:117:19 | LL | let _: Alias1 = Alias1::Some(0); | ^^^^^ @@ -337,7 +337,7 @@ LL | let _: Alias1 = Alias1::Some(0); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:146:26 + --> $DIR/generics-default-stability.rs:145:26 | LL | let _: Alias3 = ALIAS3; | ^^^^^ @@ -345,7 +345,7 @@ LL | let _: Alias3 = ALIAS3; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:148:26 + --> $DIR/generics-default-stability.rs:147:26 | LL | let _: Alias3 = Alias3::Ok(0); | ^^^^^ @@ -353,7 +353,7 @@ LL | let _: Alias3 = Alias3::Ok(0); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:149:26 + --> $DIR/generics-default-stability.rs:148:26 | LL | let _: Alias3 = Alias3::Ok(0); | ^^^^^ @@ -361,7 +361,7 @@ LL | let _: Alias3 = Alias3::Ok(0); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:171:19 + --> $DIR/generics-default-stability.rs:170:19 | LL | let _: Alias5 = Alias5::Some(1); | ^^^^^ @@ -369,7 +369,7 @@ LL | let _: Alias5 = Alias5::Some(1); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:176:19 + --> $DIR/generics-default-stability.rs:175:19 | LL | let _: Alias5 = ALIAS5; | ^^^^^ @@ -377,7 +377,7 @@ LL | let _: Alias5 = ALIAS5; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:178:19 + --> $DIR/generics-default-stability.rs:177:19 | LL | let _: Alias5 = Alias5::Some(0); | ^^^^^ @@ -385,7 +385,7 @@ LL | let _: Alias5 = Alias5::Some(0); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:185:18 + --> $DIR/generics-default-stability.rs:184:18 | LL | let _: Enum1 = Enum1::Some(1); | ^^^^^ @@ -393,7 +393,7 @@ LL | let _: Enum1 = Enum1::Some(1); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:189:18 + --> $DIR/generics-default-stability.rs:188:18 | LL | let _: Enum1 = ENUM1; | ^^^^^ @@ -401,7 +401,7 @@ LL | let _: Enum1 = ENUM1; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:190:18 + --> $DIR/generics-default-stability.rs:189:18 | LL | let _: Enum1 = Enum1::Some(0); | ^^^^^ @@ -409,7 +409,7 @@ LL | let _: Enum1 = Enum1::Some(0); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:218:25 + --> $DIR/generics-default-stability.rs:217:25 | LL | let _: Enum3 = ENUM3; | ^^^^^ @@ -417,7 +417,7 @@ LL | let _: Enum3 = ENUM3; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:220:25 + --> $DIR/generics-default-stability.rs:219:25 | LL | let _: Enum3 = Enum3::Ok(0); | ^^^^^ @@ -425,7 +425,7 @@ LL | let _: Enum3 = Enum3::Ok(0); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:221:25 + --> $DIR/generics-default-stability.rs:220:25 | LL | let _: Enum3 = Enum3::Ok(0); | ^^^^^ @@ -433,7 +433,7 @@ LL | let _: Enum3 = Enum3::Ok(0); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:243:18 + --> $DIR/generics-default-stability.rs:242:18 | LL | let _: Enum5 = Enum5::Some(1); | ^^^^^ @@ -441,7 +441,7 @@ LL | let _: Enum5 = Enum5::Some(1); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:248:18 + --> $DIR/generics-default-stability.rs:247:18 | LL | let _: Enum5 = ENUM5; | ^^^^^ @@ -449,7 +449,7 @@ LL | let _: Enum5 = ENUM5; = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'unstable_default' - --> $DIR/generics-default-stability.rs:250:18 + --> $DIR/generics-default-stability.rs:249:18 | LL | let _: Enum5 = Enum5::Some(0); | ^^^^^ @@ -457,7 +457,7 @@ LL | let _: Enum5 = Enum5::Some(0); = help: add `#![feature(unstable_default)]` to the crate attributes to enable error[E0658]: use of unstable library feature 'box_alloc_param' - --> $DIR/generics-default-stability.rs:257:24 + --> $DIR/generics-default-stability.rs:256:24 | LL | let _: Box1 = Box1::new(1); | ^^^^^^ @@ -465,25 +465,25 @@ LL | let _: Box1 = Box1::new(1); = help: add `#![feature(box_alloc_param)]` to the crate attributes to enable warning: use of deprecated field `unstable_generic_param::Struct4::field`: test - --> $DIR/generics-default-stability.rs:84:39 + --> $DIR/generics-default-stability.rs:83:39 | LL | let _: Struct4 = Struct4 { field: 1 }; | ^^^^^^^^ warning: use of deprecated field `unstable_generic_param::Struct4::field`: test - --> $DIR/generics-default-stability.rs:91:39 + --> $DIR/generics-default-stability.rs:90:39 | LL | let _: Struct4 = Struct4 { field: 0 }; | ^^^^^^^^ warning: use of deprecated field `unstable_generic_param::Struct5::field`: test - --> $DIR/generics-default-stability.rs:97:39 + --> $DIR/generics-default-stability.rs:96:39 | LL | let _: Struct5 = Struct5 { field: 1 }; | ^^^^^^^^ warning: use of deprecated field `unstable_generic_param::Struct5::field`: test - --> $DIR/generics-default-stability.rs:105:39 + --> $DIR/generics-default-stability.rs:104:39 | LL | let _: Struct5 = Struct5 { field: 0 }; | ^^^^^^^^ diff --git a/src/test/ui/structs/structure-constructor-type-mismatch.rs b/src/test/ui/structs/structure-constructor-type-mismatch.rs index 56c8ffb3e65b..efc6304a6f74 100644 --- a/src/test/ui/structs/structure-constructor-type-mismatch.rs +++ b/src/test/ui/structs/structure-constructor-type-mismatch.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - struct Point { x: T, y: T, diff --git a/src/test/ui/structs/structure-constructor-type-mismatch.stderr b/src/test/ui/structs/structure-constructor-type-mismatch.stderr index 461141496729..643812786813 100644 --- a/src/test/ui/structs/structure-constructor-type-mismatch.stderr +++ b/src/test/ui/structs/structure-constructor-type-mismatch.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/structure-constructor-type-mismatch.rs:19:12 + --> $DIR/structure-constructor-type-mismatch.rs:17:12 | LL | x: 1, | ^ @@ -8,7 +8,7 @@ LL | x: 1, | help: use a float literal: `1.0` error[E0308]: mismatched types - --> $DIR/structure-constructor-type-mismatch.rs:22:12 + --> $DIR/structure-constructor-type-mismatch.rs:20:12 | LL | y: 2, | ^ @@ -17,7 +17,7 @@ LL | y: 2, | help: use a float literal: `2.0` error[E0308]: mismatched types - --> $DIR/structure-constructor-type-mismatch.rs:28:12 + --> $DIR/structure-constructor-type-mismatch.rs:26:12 | LL | x: 3, | ^ @@ -26,7 +26,7 @@ LL | x: 3, | help: use a float literal: `3.0` error[E0308]: mismatched types - --> $DIR/structure-constructor-type-mismatch.rs:31:12 + --> $DIR/structure-constructor-type-mismatch.rs:29:12 | LL | y: 4, | ^ @@ -35,7 +35,7 @@ LL | y: 4, | help: use a float literal: `4.0` error[E0308]: mismatched types - --> $DIR/structure-constructor-type-mismatch.rs:37:12 + --> $DIR/structure-constructor-type-mismatch.rs:35:12 | LL | x: 5, | ^ @@ -44,7 +44,7 @@ LL | x: 5, | help: use a float literal: `5.0` error[E0308]: mismatched types - --> $DIR/structure-constructor-type-mismatch.rs:44:12 + --> $DIR/structure-constructor-type-mismatch.rs:42:12 | LL | x: 7, | ^ @@ -53,7 +53,7 @@ LL | x: 7, | help: use a float literal: `7.0` error[E0107]: this type alias takes 0 type arguments but 1 type argument was supplied - --> $DIR/structure-constructor-type-mismatch.rs:50:15 + --> $DIR/structure-constructor-type-mismatch.rs:48:15 | LL | let pt3 = PointF:: { | ^^^^^^------- help: remove these generics @@ -61,13 +61,13 @@ LL | let pt3 = PointF:: { | expected 0 type arguments | note: type alias defined here, with 0 type parameters - --> $DIR/structure-constructor-type-mismatch.rs:8:6 + --> $DIR/structure-constructor-type-mismatch.rs:6:6 | LL | type PointF = Point; | ^^^^^^ error[E0308]: mismatched types - --> $DIR/structure-constructor-type-mismatch.rs:51:12 + --> $DIR/structure-constructor-type-mismatch.rs:49:12 | LL | x: 9, | ^ @@ -76,7 +76,7 @@ LL | x: 9, | help: use a float literal: `9.0` error[E0308]: mismatched types - --> $DIR/structure-constructor-type-mismatch.rs:52:12 + --> $DIR/structure-constructor-type-mismatch.rs:50:12 | LL | y: 10, | ^^ @@ -85,7 +85,7 @@ LL | y: 10, | help: use a float literal: `10.0` error[E0107]: this type alias takes 0 type arguments but 1 type argument was supplied - --> $DIR/structure-constructor-type-mismatch.rs:56:9 + --> $DIR/structure-constructor-type-mismatch.rs:54:9 | LL | PointF:: { .. } => {} | ^^^^^^------- help: remove these generics @@ -93,13 +93,13 @@ LL | PointF:: { .. } => {} | expected 0 type arguments | note: type alias defined here, with 0 type parameters - --> $DIR/structure-constructor-type-mismatch.rs:8:6 + --> $DIR/structure-constructor-type-mismatch.rs:6:6 | LL | type PointF = Point; | ^^^^^^ error[E0308]: mismatched types - --> $DIR/structure-constructor-type-mismatch.rs:56:9 + --> $DIR/structure-constructor-type-mismatch.rs:54:9 | LL | match (Point { x: 1, y: 2 }) { | ---------------------- this expression has type `Point<{integer}>` @@ -110,7 +110,7 @@ LL | PointF:: { .. } => {} found struct `Point` error[E0308]: mismatched types - --> $DIR/structure-constructor-type-mismatch.rs:61:9 + --> $DIR/structure-constructor-type-mismatch.rs:59:9 | LL | match (Point { x: 1, y: 2 }) { | ---------------------- this expression has type `Point<{integer}>` @@ -121,7 +121,7 @@ LL | PointF { .. } => {} found struct `Point` error[E0308]: mismatched types - --> $DIR/structure-constructor-type-mismatch.rs:69:9 + --> $DIR/structure-constructor-type-mismatch.rs:67:9 | LL | match (Pair { x: 1, y: 2 }) { | --------------------- this expression has type `Pair<{integer}, {integer}>` diff --git a/src/test/ui/substs-ppaux.normal.stderr b/src/test/ui/substs-ppaux.normal.stderr index 89be3d29e0cf..5bbf4225812b 100644 --- a/src/test/ui/substs-ppaux.normal.stderr +++ b/src/test/ui/substs-ppaux.normal.stderr @@ -80,7 +80,11 @@ LL | >::bar; | ^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: the trait `Sized` is not implemented for `str` - = note: required because of the requirements on the impl of `Foo<'_, '_, u8>` for `str` +note: required because of the requirements on the impl of `Foo<'_, '_, u8>` for `str` + --> $DIR/substs-ppaux.rs:11:17 + | +LL | impl<'a,'b,T,S> Foo<'a, 'b, S> for T {} + | ^^^^^^^^^^^^^^ ^ error: aborting due to 5 previous errors diff --git a/src/test/ui/substs-ppaux.verbose.stderr b/src/test/ui/substs-ppaux.verbose.stderr index e37d087fcc95..20d765533744 100644 --- a/src/test/ui/substs-ppaux.verbose.stderr +++ b/src/test/ui/substs-ppaux.verbose.stderr @@ -80,7 +80,11 @@ LL | >::bar; | ^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: the trait `Sized` is not implemented for `str` - = note: required because of the requirements on the impl of `Foo<'_#0r, '_#1r, u8>` for `str` +note: required because of the requirements on the impl of `Foo<'_#0r, '_#1r, u8>` for `str` + --> $DIR/substs-ppaux.rs:11:17 + | +LL | impl<'a,'b,T,S> Foo<'a, 'b, S> for T {} + | ^^^^^^^^^^^^^^ ^ error: aborting due to 5 previous errors diff --git a/src/test/ui/suggestions/adt-param-with-implicit-sized-bound.stderr b/src/test/ui/suggestions/adt-param-with-implicit-sized-bound.stderr index 9437fbe61cc7..5cb3a404037a 100644 --- a/src/test/ui/suggestions/adt-param-with-implicit-sized-bound.stderr +++ b/src/test/ui/suggestions/adt-param-with-implicit-sized-bound.stderr @@ -5,7 +5,7 @@ LL | struct X(T); | - required by this bound in `X` ... LL | struct Struct5{ - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | _t: X, | ^^^^ doesn't have a size known at compile-time | diff --git a/src/test/ui/suggestions/issue-82361.stderr b/src/test/ui/suggestions/issue-82361.stderr index c19d59ccd4c6..4c78293ebb7f 100644 --- a/src/test/ui/suggestions/issue-82361.stderr +++ b/src/test/ui/suggestions/issue-82361.stderr @@ -21,10 +21,10 @@ LL | | 1 | | - expected because of this LL | | } else { LL | | &1 - | | -^ + | | ^^ | | | | | expected integer, found `&{integer}` - | | help: consider removing the `&` + | | help: consider removing the borrow: `1` LL | | }; | |_____- `if` and `else` have incompatible types @@ -36,10 +36,10 @@ LL | | 1 | | - expected because of this LL | | } else { LL | | &mut 1 - | | -----^ + | | ^^^^^^ | | | | | expected integer, found `&mut {integer}` - | | help: consider removing the `&mut` + | | help: consider removing the borrow: `1` LL | | }; | |_____- `if` and `else` have incompatible types diff --git a/src/test/ui/suggestions/issue-83943.fixed b/src/test/ui/suggestions/issue-83943.fixed new file mode 100644 index 000000000000..e0d4ee29ebf8 --- /dev/null +++ b/src/test/ui/suggestions/issue-83943.fixed @@ -0,0 +1,9 @@ +// run-rustfix + +fn main() { + if true { + "A".to_string() + } else { + "B".to_string() //~ ERROR `if` and `else` have incompatible types + }; +} diff --git a/src/test/ui/suggestions/issue-83943.rs b/src/test/ui/suggestions/issue-83943.rs new file mode 100644 index 000000000000..68d50c1775c7 --- /dev/null +++ b/src/test/ui/suggestions/issue-83943.rs @@ -0,0 +1,9 @@ +// run-rustfix + +fn main() { + if true { + "A".to_string() + } else { + "B" //~ ERROR `if` and `else` have incompatible types + }; +} diff --git a/src/test/ui/suggestions/issue-83943.stderr b/src/test/ui/suggestions/issue-83943.stderr new file mode 100644 index 000000000000..a26700ea3c7c --- /dev/null +++ b/src/test/ui/suggestions/issue-83943.stderr @@ -0,0 +1,18 @@ +error[E0308]: `if` and `else` have incompatible types + --> $DIR/issue-83943.rs:7:9 + | +LL | / if true { +LL | | "A".to_string() + | | --------------- expected because of this +LL | | } else { +LL | | "B" + | | ^^^ + | | | + | | expected struct `String`, found `&str` + | | help: try using a conversion method: `"B".to_string()` +LL | | }; + | |_____- `if` and `else` have incompatible types + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature.nll.stderr b/src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature.nll.stderr deleted file mode 100644 index 916a6c2bf12a..000000000000 --- a/src/test/ui/suggestions/lifetimes/missing-lifetimes-in-signature.nll.stderr +++ /dev/null @@ -1,11 +0,0 @@ -error[E0261]: use of undeclared lifetime name `'a` - --> $DIR/missing-lifetimes-in-signature.rs:36:11 - | -LL | fn baz(g: G, dest: &mut T) -> impl FnOnce() + '_ - | - ^^ undeclared lifetime - | | - | help: consider introducing lifetime `'a` here: `'a,` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0261`. diff --git a/src/test/ui/suggestions/restrict-type-argument.stderr b/src/test/ui/suggestions/restrict-type-argument.stderr index 7a7242a6369d..33af13d943f7 100644 --- a/src/test/ui/suggestions/restrict-type-argument.stderr +++ b/src/test/ui/suggestions/restrict-type-argument.stderr @@ -9,8 +9,8 @@ LL | is_send(val); | help: consider further restricting this bound | -LL | fn use_impl_sync(val: impl Sync + Send) { - | ^^^^^^ +LL | fn use_impl_sync(val: impl Sync + std::marker::Send) { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: `S` cannot be sent between threads safely --> $DIR/restrict-type-argument.rs:8:13 @@ -23,8 +23,8 @@ LL | is_send(val); | help: consider further restricting this bound | -LL | fn use_where(val: S) where S: Sync + Send { - | ^^^^^^ +LL | fn use_where(val: S) where S: Sync + std::marker::Send { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: `S` cannot be sent between threads safely --> $DIR/restrict-type-argument.rs:12:13 @@ -37,8 +37,8 @@ LL | is_send(val); | help: consider further restricting this bound | -LL | fn use_bound(val: S) { - | ^^^^^^ +LL | fn use_bound(val: S) { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: `S` cannot be sent between threads safely --> $DIR/restrict-type-argument.rs:20:13 @@ -51,8 +51,8 @@ LL | is_send(val); | help: consider further restricting this bound | -LL | Sync + Send - | ^^^^^^ +LL | Sync + std::marker::Send + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: `S` cannot be sent between threads safely --> $DIR/restrict-type-argument.rs:24:13 @@ -65,8 +65,8 @@ LL | is_send(val); | help: consider further restricting this bound | -LL | fn use_bound_and_where(val: S) where S: std::fmt::Debug + Send { - | ^^^^^^ +LL | fn use_bound_and_where(val: S) where S: std::fmt::Debug + std::marker::Send { + | ^^^^^^^^^^^^^^^^^^^ error[E0277]: `S` cannot be sent between threads safely --> $DIR/restrict-type-argument.rs:28:13 @@ -79,8 +79,8 @@ LL | is_send(val); | help: consider restricting type parameter `S` | -LL | fn use_unbound(val: S) { - | ^^^^^^ +LL | fn use_unbound(val: S) { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to 6 previous errors diff --git a/src/test/ui/symbol-names/basic.legacy.stderr b/src/test/ui/symbol-names/basic.legacy.stderr index 7155d88be963..3dd2b19fbf98 100644 --- a/src/test/ui/symbol-names/basic.legacy.stderr +++ b/src/test/ui/symbol-names/basic.legacy.stderr @@ -1,10 +1,10 @@ -error: symbol-name(_ZN5basic4main17hfcf1daab33c43a6aE) +error: symbol-name(_ZN5basic4main17h6c535bbea2051f85E) --> $DIR/basic.rs:8:1 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(basic::main::hfcf1daab33c43a6a) +error: demangling(basic::main::h6c535bbea2051f85) --> $DIR/basic.rs:8:1 | LL | #[rustc_symbol_name] diff --git a/src/test/ui/symbol-names/impl1.legacy.stderr b/src/test/ui/symbol-names/impl1.legacy.stderr index bd32a39a65cb..b6012e41594b 100644 --- a/src/test/ui/symbol-names/impl1.legacy.stderr +++ b/src/test/ui/symbol-names/impl1.legacy.stderr @@ -1,71 +1,71 @@ error: symbol-name(_ZN5impl13foo3Foo3bar17) - --> $DIR/impl1.rs:15:9 + --> $DIR/impl1.rs:14:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling(impl1::foo::Foo::bar::) - --> $DIR/impl1.rs:15:9 + --> $DIR/impl1.rs:14:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling-alt(impl1::foo::Foo::bar) - --> $DIR/impl1.rs:15:9 + --> $DIR/impl1.rs:14:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: def-path(foo::Foo::bar) - --> $DIR/impl1.rs:22:9 + --> $DIR/impl1.rs:21:9 | LL | #[rustc_def_path] | ^^^^^^^^^^^^^^^^^ error: symbol-name(_ZN5impl13bar33_$LT$impl$u20$impl1..foo..Foo$GT$3baz17) - --> $DIR/impl1.rs:33:9 + --> $DIR/impl1.rs:32:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling(impl1::bar::::baz::) - --> $DIR/impl1.rs:33:9 + --> $DIR/impl1.rs:32:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling-alt(impl1::bar::::baz) - --> $DIR/impl1.rs:33:9 + --> $DIR/impl1.rs:32:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: def-path(bar::::baz) - --> $DIR/impl1.rs:40:9 + --> $DIR/impl1.rs:39:9 | LL | #[rustc_def_path] | ^^^^^^^^^^^^^^^^^ error: symbol-name(_ZN209_$LT$$u5b$$RF$dyn$u20$impl1..Foo$u2b$Assoc$u20$$u3d$$u20$extern$u20$$u22$C$u22$$u20$fn$LP$$RF$u8$C$$u20$...$RP$$u2b$impl1..AutoTrait$u3b$$u20$3$u5d$$u20$as$u20$impl1..main..$u7b$$u7b$closure$u7d$$u7d$..Bar$GT$6method17) - --> $DIR/impl1.rs:63:13 + --> $DIR/impl1.rs:62:13 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling(<[&dyn impl1::Foo+Assoc = extern "C" fn(&u8, ::.)+impl1::AutoTrait; 3] as impl1::main::{{closure}}::Bar>::method::) - --> $DIR/impl1.rs:63:13 + --> $DIR/impl1.rs:62:13 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling-alt(<[&dyn impl1::Foo+Assoc = extern "C" fn(&u8, ::.)+impl1::AutoTrait; 3] as impl1::main::{{closure}}::Bar>::method) - --> $DIR/impl1.rs:63:13 + --> $DIR/impl1.rs:62:13 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: def-path(<[&dyn Foo extern "C" fn(&'r u8, ...)> + AutoTrait; 3] as main::{closure#1}::Bar>::method) - --> $DIR/impl1.rs:70:13 + --> $DIR/impl1.rs:69:13 | LL | #[rustc_def_path] | ^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/symbol-names/impl1.rs b/src/test/ui/symbol-names/impl1.rs index 771695330d8b..b0b31a57d069 100644 --- a/src/test/ui/symbol-names/impl1.rs +++ b/src/test/ui/symbol-names/impl1.rs @@ -1,5 +1,4 @@ // build-fail -// ignore-tidy-linelength // revisions: legacy v0 //[legacy]compile-flags: -Z symbol-mangling-version=legacy //[v0]compile-flags: -Z symbol-mangling-version=v0 diff --git a/src/test/ui/symbol-names/impl1.stderr b/src/test/ui/symbol-names/impl1.stderr deleted file mode 100644 index 20e48782a3a9..000000000000 --- a/src/test/ui/symbol-names/impl1.stderr +++ /dev/null @@ -1,26 +0,0 @@ -error: symbol-name(_ZN5impl13foo3Foo3bar17he53b9bee7600ed8dE) - --> $DIR/impl1.rs:8:9 - | -LL | #[rustc_symbol_name] - | ^^^^^^^^^^^^^^^^^^^^ - -error: def-path(foo::Foo::bar) - --> $DIR/impl1.rs:9:9 - | -LL | #[rustc_def_path] - | ^^^^^^^^^^^^^^^^^ - -error: symbol-name(_ZN5impl13bar33_$LT$impl$u20$impl1..foo..Foo$GT$3baz17h86c41f0462d901d4E) - --> $DIR/impl1.rs:18:9 - | -LL | #[rustc_symbol_name] - | ^^^^^^^^^^^^^^^^^^^^ - -error: def-path(bar::::baz) - --> $DIR/impl1.rs:19:9 - | -LL | #[rustc_def_path] - | ^^^^^^^^^^^^^^^^^ - -error: aborting due to 4 previous errors - diff --git a/src/test/ui/symbol-names/impl1.v0.stderr b/src/test/ui/symbol-names/impl1.v0.stderr index 3a6610935d6e..e5b0deee36e3 100644 --- a/src/test/ui/symbol-names/impl1.v0.stderr +++ b/src/test/ui/symbol-names/impl1.v0.stderr @@ -1,71 +1,71 @@ error: symbol-name(_RNvMNtCs21hi0yVfW1J_5impl13fooNtB2_3Foo3bar) - --> $DIR/impl1.rs:15:9 + --> $DIR/impl1.rs:14:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling(::bar) - --> $DIR/impl1.rs:15:9 + --> $DIR/impl1.rs:14:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling-alt(::bar) - --> $DIR/impl1.rs:15:9 + --> $DIR/impl1.rs:14:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: def-path(foo::Foo::bar) - --> $DIR/impl1.rs:22:9 + --> $DIR/impl1.rs:21:9 | LL | #[rustc_def_path] | ^^^^^^^^^^^^^^^^^ error: symbol-name(_RNvMNtCs21hi0yVfW1J_5impl13barNtNtB4_3foo3Foo3baz) - --> $DIR/impl1.rs:33:9 + --> $DIR/impl1.rs:32:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling(::baz) - --> $DIR/impl1.rs:33:9 + --> $DIR/impl1.rs:32:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling-alt(::baz) - --> $DIR/impl1.rs:33:9 + --> $DIR/impl1.rs:32:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: def-path(bar::::baz) - --> $DIR/impl1.rs:40:9 + --> $DIR/impl1.rs:39:9 | LL | #[rustc_def_path] | ^^^^^^^^^^^^^^^^^ error: symbol-name(_RNvXNCNvCs21hi0yVfW1J_5impl14mains_0ARDNtB6_3Foop5AssocFG_KCRL0_hvEuNtB6_9AutoTraitEL_j3_NtB2_3Bar6method) - --> $DIR/impl1.rs:63:13 + --> $DIR/impl1.rs:62:13 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling(<[&dyn impl1[17891616a171812d]::Foo extern "C" fn(&'a u8, ...)> + impl1[17891616a171812d]::AutoTrait; 3: usize] as impl1[17891616a171812d]::main::{closure#1}::Bar>::method) - --> $DIR/impl1.rs:63:13 + --> $DIR/impl1.rs:62:13 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling-alt(<[&dyn impl1::Foo extern "C" fn(&'a u8, ...)> + impl1::AutoTrait; 3] as impl1::main::{closure#1}::Bar>::method) - --> $DIR/impl1.rs:63:13 + --> $DIR/impl1.rs:62:13 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: def-path(<[&dyn Foo extern "C" fn(&'r u8, ...)> + AutoTrait; 3] as main::{closure#1}::Bar>::method) - --> $DIR/impl1.rs:70:13 + --> $DIR/impl1.rs:69:13 | LL | #[rustc_def_path] | ^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/symbol-names/issue-60925.legacy.stderr b/src/test/ui/symbol-names/issue-60925.legacy.stderr index 9575875f5a8a..835767839923 100644 --- a/src/test/ui/symbol-names/issue-60925.legacy.stderr +++ b/src/test/ui/symbol-names/issue-60925.legacy.stderr @@ -1,17 +1,17 @@ -error: symbol-name(_ZN11issue_609253foo37Foo$LT$issue_60925..llv$u6d$..Foo$GT$3foo17hb8ca3eb2682b1b51E) - --> $DIR/issue-60925.rs:22:9 +error: symbol-name(_ZN11issue_609253foo37Foo$LT$issue_60925..llv$u6d$..Foo$GT$3foo17h6244e5288326926aE) + --> $DIR/issue-60925.rs:21:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ -error: demangling(issue_60925::foo::Foo::foo::hb8ca3eb2682b1b51) - --> $DIR/issue-60925.rs:22:9 +error: demangling(issue_60925::foo::Foo::foo::h6244e5288326926a) + --> $DIR/issue-60925.rs:21:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling-alt(issue_60925::foo::Foo::foo) - --> $DIR/issue-60925.rs:22:9 + --> $DIR/issue-60925.rs:21:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/symbol-names/issue-60925.rs b/src/test/ui/symbol-names/issue-60925.rs index 47c9230c0edf..3238eb1e579f 100644 --- a/src/test/ui/symbol-names/issue-60925.rs +++ b/src/test/ui/symbol-names/issue-60925.rs @@ -1,5 +1,4 @@ // build-fail -// ignore-tidy-linelength // revisions: legacy v0 //[legacy]compile-flags: -Z symbol-mangling-version=legacy //[v0]compile-flags: -Z symbol-mangling-version=v0 diff --git a/src/test/ui/symbol-names/issue-60925.stderr b/src/test/ui/symbol-names/issue-60925.stderr deleted file mode 100644 index ae753f0cebbc..000000000000 --- a/src/test/ui/symbol-names/issue-60925.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error: symbol-name(_ZN11issue_609253foo36Foo$LT$issue_60925..llv$6d$..Foo$GT$3foo17h059a991a004536adE) - --> $DIR/issue-60925.rs:16:9 - | -LL | #[rustc_symbol_name] - | ^^^^^^^^^^^^^^^^^^^^ - -error: demangling(issue_60925::foo::Foo $DIR/issue-60925.rs:16:9 - | -LL | #[rustc_symbol_name] - | ^^^^^^^^^^^^^^^^^^^^ - -error: demangling-alt(issue_60925::foo::Foo $DIR/issue-60925.rs:16:9 - | -LL | #[rustc_symbol_name] - | ^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 3 previous errors - diff --git a/src/test/ui/symbol-names/issue-60925.v0.stderr b/src/test/ui/symbol-names/issue-60925.v0.stderr index aed60a58af91..6a5885e1ea32 100644 --- a/src/test/ui/symbol-names/issue-60925.v0.stderr +++ b/src/test/ui/symbol-names/issue-60925.v0.stderr @@ -1,17 +1,17 @@ error: symbol-name(_RNvMNtCs21hi0yVfW1J_11issue_609253fooINtB2_3FooNtNtB4_4llvm3FooE3foo) - --> $DIR/issue-60925.rs:22:9 + --> $DIR/issue-60925.rs:21:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling(>::foo) - --> $DIR/issue-60925.rs:22:9 + --> $DIR/issue-60925.rs:21:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling-alt(>::foo) - --> $DIR/issue-60925.rs:22:9 + --> $DIR/issue-60925.rs:21:9 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/symbol-names/issue-75326.legacy.stderr b/src/test/ui/symbol-names/issue-75326.legacy.stderr index 2ad16bdb8166..aadc0cf43a21 100644 --- a/src/test/ui/symbol-names/issue-75326.legacy.stderr +++ b/src/test/ui/symbol-names/issue-75326.legacy.stderr @@ -1,17 +1,17 @@ error: symbol-name(_ZN72_$LT$issue_75326..Foo$LT$I$C$E$GT$$u20$as$u20$issue_75326..Iterator2$GT$4next17SYMBOL_HASH) - --> $DIR/issue-75326.rs:42:5 + --> $DIR/issue-75326.rs:41:5 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling( as issue_75326::Iterator2>::next::SYMBOL_HASH) - --> $DIR/issue-75326.rs:42:5 + --> $DIR/issue-75326.rs:41:5 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling-alt( as issue_75326::Iterator2>::next) - --> $DIR/issue-75326.rs:42:5 + --> $DIR/issue-75326.rs:41:5 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/symbol-names/issue-75326.rs b/src/test/ui/symbol-names/issue-75326.rs index faf36715b190..4d061cafef3b 100644 --- a/src/test/ui/symbol-names/issue-75326.rs +++ b/src/test/ui/symbol-names/issue-75326.rs @@ -1,5 +1,4 @@ // build-fail -// ignore-tidy-linelength // revisions: legacy v0 //[legacy]compile-flags: -Z symbol-mangling-version=legacy //[v0]compile-flags: -Z symbol-mangling-version=v0 diff --git a/src/test/ui/symbol-names/issue-75326.v0.stderr b/src/test/ui/symbol-names/issue-75326.v0.stderr index 1f57952acd64..98844aafb655 100644 --- a/src/test/ui/symbol-names/issue-75326.v0.stderr +++ b/src/test/ui/symbol-names/issue-75326.v0.stderr @@ -1,17 +1,17 @@ error: symbol-name(_RNvXINICs21hi0yVfW1J_11issue_75326s_0pppEINtB5_3FooppENtB5_9Iterator24nextB5_) - --> $DIR/issue-75326.rs:42:5 + --> $DIR/issue-75326.rs:41:5 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling( as issue_75326[17891616a171812d]::Iterator2>::next) - --> $DIR/issue-75326.rs:42:5 + --> $DIR/issue-75326.rs:41:5 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ error: demangling-alt( as issue_75326::Iterator2>::next) - --> $DIR/issue-75326.rs:42:5 + --> $DIR/issue-75326.rs:41:5 | LL | #[rustc_symbol_name] | ^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/trait-impl-bound-suggestions.fixed b/src/test/ui/trait-impl-bound-suggestions.fixed index db3a95f5c4f6..744e7bef04e9 100644 --- a/src/test/ui/trait-impl-bound-suggestions.fixed +++ b/src/test/ui/trait-impl-bound-suggestions.fixed @@ -10,7 +10,7 @@ struct ConstrainedStruct { } #[allow(dead_code)] -trait InsufficientlyConstrainedGeneric where X: Copy { +trait InsufficientlyConstrainedGeneric where X: std::marker::Copy { fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct { //~^ ERROR the trait bound `X: Copy` is not satisfied ConstrainedStruct { x } diff --git a/src/test/ui/trait-impl-bound-suggestions.stderr b/src/test/ui/trait-impl-bound-suggestions.stderr index 3a21e9c6b2ad..110ca7990807 100644 --- a/src/test/ui/trait-impl-bound-suggestions.stderr +++ b/src/test/ui/trait-impl-bound-suggestions.stderr @@ -9,8 +9,8 @@ LL | fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct { | help: consider further restricting type parameter `X` | -LL | trait InsufficientlyConstrainedGeneric where X: Copy { - | ^^^^^^^^^^^^^ +LL | trait InsufficientlyConstrainedGeneric where X: std::marker::Copy { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/traits/alias/issue-83613.rs b/src/test/ui/traits/alias/issue-83613.rs new file mode 100644 index 000000000000..146920ac685b --- /dev/null +++ b/src/test/ui/traits/alias/issue-83613.rs @@ -0,0 +1,13 @@ +#![feature(min_type_alias_impl_trait)] +trait OpaqueTrait {} +impl OpaqueTrait for T {} +type OpaqueType = impl OpaqueTrait; +fn mk_opaque() -> OpaqueType { + || 0 +} +trait AnotherTrait {} +impl AnotherTrait for T {} +impl AnotherTrait for OpaqueType {} +//~^ ERROR conflicting implementations of trait `AnotherTrait` for type `impl OpaqueTrait` +//~| ERROR cannot implement trait on type alias impl trait +fn main() {} diff --git a/src/test/ui/traits/alias/issue-83613.stderr b/src/test/ui/traits/alias/issue-83613.stderr new file mode 100644 index 000000000000..0ab39ae66728 --- /dev/null +++ b/src/test/ui/traits/alias/issue-83613.stderr @@ -0,0 +1,23 @@ +error[E0119]: conflicting implementations of trait `AnotherTrait` for type `impl OpaqueTrait` + --> $DIR/issue-83613.rs:10:1 + | +LL | impl AnotherTrait for T {} + | -------------------------------- first implementation here +LL | impl AnotherTrait for OpaqueType {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `impl OpaqueTrait` + +error: cannot implement trait on type alias impl trait + --> $DIR/issue-83613.rs:10:1 + | +LL | impl AnotherTrait for OpaqueType {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: type alias impl trait defined here + --> $DIR/issue-83613.rs:4:19 + | +LL | type OpaqueType = impl OpaqueTrait; + | ^^^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0119`. diff --git a/src/test/ui/traits/cycle-cache-err-60010.stderr b/src/test/ui/traits/cycle-cache-err-60010.stderr index b2702d977f8b..40386f706132 100644 --- a/src/test/ui/traits/cycle-cache-err-60010.stderr +++ b/src/test/ui/traits/cycle-cache-err-60010.stderr @@ -10,9 +10,21 @@ LL | SourceDatabase::parse(db); = note: required because it appears within the type `*const SalsaStorage` = note: required because it appears within the type `Unique` = note: required because it appears within the type `Box` - = note: required because it appears within the type `Runtime` - = note: required because it appears within the type `RootDatabase` - = note: required because of the requirements on the impl of `SourceDatabase` for `RootDatabase` +note: required because it appears within the type `Runtime` + --> $DIR/cycle-cache-err-60010.rs:23:8 + | +LL | struct Runtime { + | ^^^^^^^ +note: required because it appears within the type `RootDatabase` + --> $DIR/cycle-cache-err-60010.rs:20:8 + | +LL | struct RootDatabase { + | ^^^^^^^^^^^^ +note: required because of the requirements on the impl of `SourceDatabase` for `RootDatabase` + --> $DIR/cycle-cache-err-60010.rs:43:9 + | +LL | impl SourceDatabase for T + | ^^^^^^^^^^^^^^ ^ error: aborting due to previous error diff --git a/src/test/ui/traits/inductive-overflow/lifetime.rs b/src/test/ui/traits/inductive-overflow/lifetime.rs index 205d50a2ed9c..e23dfa57cd0d 100644 --- a/src/test/ui/traits/inductive-overflow/lifetime.rs +++ b/src/test/ui/traits/inductive-overflow/lifetime.rs @@ -16,7 +16,7 @@ struct C<'a>(&'a ()); struct X(T::P); impl NotAuto for Box {} -impl NotAuto for X where T::P: NotAuto {} +impl NotAuto for X where T::P: NotAuto {} //~ NOTE: required impl<'a> NotAuto for C<'a> {} fn is_send() {} @@ -26,5 +26,4 @@ fn main() { // Should only be a few notes. is_send::>>(); //~^ ERROR overflow evaluating - //~| NOTE: required } diff --git a/src/test/ui/traits/inductive-overflow/lifetime.stderr b/src/test/ui/traits/inductive-overflow/lifetime.stderr index 659f9e26e3e6..752154b35cab 100644 --- a/src/test/ui/traits/inductive-overflow/lifetime.stderr +++ b/src/test/ui/traits/inductive-overflow/lifetime.stderr @@ -7,7 +7,11 @@ LL | fn is_send() {} LL | is_send::>>(); | ^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: required because of the requirements on the impl of `NotAuto` for `X>` +note: required because of the requirements on the impl of `NotAuto` for `X>` + --> $DIR/lifetime.rs:19:12 + | +LL | impl NotAuto for X where T::P: NotAuto {} + | ^^^^^^^ ^^^^ error: aborting due to previous error diff --git a/src/test/ui/traits/inductive-overflow/simultaneous.stderr b/src/test/ui/traits/inductive-overflow/simultaneous.stderr index 88e0631eeb27..94a255fcb84d 100644 --- a/src/test/ui/traits/inductive-overflow/simultaneous.stderr +++ b/src/test/ui/traits/inductive-overflow/simultaneous.stderr @@ -7,7 +7,11 @@ LL | fn is_ee(t: T) { LL | is_ee(4); | ^^^^^ | - = note: required because of the requirements on the impl of `Combo` for `{integer}` +note: required because of the requirements on the impl of `Combo` for `{integer}` + --> $DIR/simultaneous.rs:11:34 + | +LL | impl Combo for T {} + | ^^^^^ ^ error: aborting due to previous error diff --git a/src/test/ui/traits/inductive-overflow/supertrait.stderr b/src/test/ui/traits/inductive-overflow/supertrait.stderr index dfb967601e98..5ed1c2cc2da6 100644 --- a/src/test/ui/traits/inductive-overflow/supertrait.stderr +++ b/src/test/ui/traits/inductive-overflow/supertrait.stderr @@ -7,7 +7,11 @@ LL | fn copy(x: T) -> (T, T) { (x, x) } LL | let (a, b) = copy(NoClone); | ^^^^ | - = note: required because of the requirements on the impl of `Magic` for `NoClone` +note: required because of the requirements on the impl of `Magic` for `NoClone` + --> $DIR/supertrait.rs:5:16 + | +LL | impl Magic for T {} + | ^^^^^ ^ error: aborting due to previous error diff --git a/src/test/ui/traits/inductive-overflow/two-traits.stderr b/src/test/ui/traits/inductive-overflow/two-traits.stderr index d3f2931f25d4..508a12d859a6 100644 --- a/src/test/ui/traits/inductive-overflow/two-traits.stderr +++ b/src/test/ui/traits/inductive-overflow/two-traits.stderr @@ -9,8 +9,8 @@ LL | type X = Self; | help: consider further restricting this bound | -LL | impl Magic for T { - | ^^^^^^ +LL | impl Magic for T { + | ^^^^^^^^^^^^^^^^^^^ error[E0275]: overflow evaluating the requirement `*mut (): Magic` --> $DIR/two-traits.rs:20:5 diff --git a/src/test/ui/traits/issue-33140-hack-boundaries.stderr b/src/test/ui/traits/issue-33140-hack-boundaries.stderr index ae65701ecb52..c87f1ff1f3f1 100644 --- a/src/test/ui/traits/issue-33140-hack-boundaries.stderr +++ b/src/test/ui/traits/issue-33140-hack-boundaries.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Trait1` for type `(dyn std::marker::Send + 'static)`: +error[E0119]: conflicting implementations of trait `Trait1` for type `(dyn std::marker::Send + 'static)` --> $DIR/issue-33140-hack-boundaries.rs:18:1 | LL | impl Trait1 for dyn Send {} @@ -14,7 +14,7 @@ LL | impl Trait2 for dyn Send {} LL | impl !Trait2 for dyn Send {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ negative implementation here -error[E0119]: conflicting implementations of trait `Trait3<(dyn std::marker::Sync + 'static)>` for type `(dyn std::marker::Send + 'static)`: +error[E0119]: conflicting implementations of trait `Trait3<(dyn std::marker::Sync + 'static)>` for type `(dyn std::marker::Send + 'static)` --> $DIR/issue-33140-hack-boundaries.rs:32:1 | LL | impl Trait3 for dyn Send {} @@ -22,7 +22,7 @@ LL | impl Trait3 for dyn Send {} LL | impl Trait3 for dyn Send {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + 'static)` -error[E0119]: conflicting implementations of trait `Trait4a` for type `(dyn std::marker::Send + 'static)`: +error[E0119]: conflicting implementations of trait `Trait4a` for type `(dyn std::marker::Send + 'static)` --> $DIR/issue-33140-hack-boundaries.rs:39:1 | LL | impl Trait4a for T {} @@ -30,7 +30,7 @@ LL | impl Trait4a for T {} LL | impl Trait4a for dyn Send {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + 'static)` -error[E0119]: conflicting implementations of trait `Trait4b` for type `()`: +error[E0119]: conflicting implementations of trait `Trait4b` for type `()` --> $DIR/issue-33140-hack-boundaries.rs:46:1 | LL | impl Trait4b for () {} @@ -38,7 +38,7 @@ LL | impl Trait4b for () {} LL | impl Trait4b for () {} | ^^^^^^^^^^^^^^^^^^^ conflicting implementation for `()` -error[E0119]: conflicting implementations of trait `Trait4c` for type `(dyn Trait1 + std::marker::Send + 'static)`: +error[E0119]: conflicting implementations of trait `Trait4c` for type `(dyn Trait1 + std::marker::Send + 'static)` --> $DIR/issue-33140-hack-boundaries.rs:53:1 | LL | impl Trait4c for dyn Trait1 + Send {} @@ -46,7 +46,7 @@ LL | impl Trait4c for dyn Trait1 + Send {} LL | impl Trait4c for dyn Trait1 + Send {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Trait1 + std::marker::Send + 'static)` -error[E0119]: conflicting implementations of trait `Trait4d` for type `dyn std::marker::Send`: +error[E0119]: conflicting implementations of trait `Trait4d` for type `dyn std::marker::Send` --> $DIR/issue-33140-hack-boundaries.rs:60:1 | LL | impl<'a> Trait4d for dyn Send + 'a {} @@ -54,7 +54,7 @@ LL | impl<'a> Trait4d for dyn Send + 'a {} LL | impl<'a> Trait4d for dyn Send + 'a {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `dyn std::marker::Send` -error[E0119]: conflicting implementations of trait `Trait5` for type `(dyn std::marker::Send + 'static)`: +error[E0119]: conflicting implementations of trait `Trait5` for type `(dyn std::marker::Send + 'static)` --> $DIR/issue-33140-hack-boundaries.rs:67:1 | LL | impl Trait5 for dyn Send {} diff --git a/src/test/ui/traits/issue-33140.stderr b/src/test/ui/traits/issue-33140.stderr index 9a900d2fc940..392c56a282d7 100644 --- a/src/test/ui/traits/issue-33140.stderr +++ b/src/test/ui/traits/issue-33140.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `Trait` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: +error[E0119]: conflicting implementations of trait `Trait` for type `(dyn std::marker::Send + std::marker::Sync + 'static)` --> $DIR/issue-33140.rs:9:1 | LL | impl Trait for dyn Send + Sync { @@ -7,7 +7,7 @@ LL | impl Trait for dyn Send + Sync { LL | impl Trait for dyn Sync + Send { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + std::marker::Sync + 'static)` -error[E0119]: conflicting implementations of trait `Trait2` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: +error[E0119]: conflicting implementations of trait `Trait2` for type `(dyn std::marker::Send + std::marker::Sync + 'static)` --> $DIR/issue-33140.rs:22:1 | LL | impl Trait2 for dyn Send + Sync { diff --git a/src/test/ui/traits/negative-impls/explicitly-unimplemented-error-message.stderr b/src/test/ui/traits/negative-impls/explicitly-unimplemented-error-message.stderr index d39daaba206d..01e36a4a62a1 100644 --- a/src/test/ui/traits/negative-impls/explicitly-unimplemented-error-message.stderr +++ b/src/test/ui/traits/negative-impls/explicitly-unimplemented-error-message.stderr @@ -6,14 +6,6 @@ LL | struct Qux; ... LL | Qux.clone(); | ^^^^^ method not found in `Qux` - | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | ----- - | | - | the method is available for `Arc` here - | the method is available for `Rc` here | = help: items from traits can only be used if the trait is implemented and in scope = note: the trait `Clone` defines an item `clone`, but is explicitely unimplemented diff --git a/src/test/ui/traits/negative-impls/negated-auto-traits-error.stderr b/src/test/ui/traits/negative-impls/negated-auto-traits-error.stderr index 83b1b83d1939..4f7d1be79389 100644 --- a/src/test/ui/traits/negative-impls/negated-auto-traits-error.stderr +++ b/src/test/ui/traits/negative-impls/negated-auto-traits-error.stderr @@ -69,7 +69,11 @@ LL | is_send(Box::new(Outer2(TestType))); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `dummy3::TestType` cannot be sent between threads safely | = help: within `Outer2`, the trait `Send` is not implemented for `dummy3::TestType` - = note: required because it appears within the type `Outer2` +note: required because it appears within the type `Outer2` + --> $DIR/negated-auto-traits-error.rs:12:8 + | +LL | struct Outer2(T); + | ^^^^^^ = note: required because of the requirements on the impl of `Send` for `Unique>` = note: required because it appears within the type `Box>` @@ -86,7 +90,11 @@ LL | is_sync(Outer2(TestType)); | help: consider borrowing here: `&Outer2(TestType)` | = note: the trait bound `main::TestType: Sync` is not satisfied - = note: required because of the requirements on the impl of `Sync` for `Outer2` +note: required because of the requirements on the impl of `Sync` for `Outer2` + --> $DIR/negated-auto-traits-error.rs:14:22 + | +LL | unsafe impl Sync for Outer2 {} + | ^^^^ ^^^^^^^^^ error: aborting due to 7 previous errors diff --git a/src/test/ui/traits/negative-impls/rely-on-negative-impl-in-coherence.stderr b/src/test/ui/traits/negative-impls/rely-on-negative-impl-in-coherence.stderr index 7cce45d2c8f8..b970ad762088 100644 --- a/src/test/ui/traits/negative-impls/rely-on-negative-impl-in-coherence.stderr +++ b/src/test/ui/traits/negative-impls/rely-on-negative-impl-in-coherence.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `LocalTrait` for type `std::string::String`: +error[E0119]: conflicting implementations of trait `LocalTrait` for type `std::string::String` --> $DIR/rely-on-negative-impl-in-coherence.rs:19:1 | LL | impl LocalTrait for T { } diff --git a/src/test/ui/traits/overlap-not-permitted-for-builtin-trait.stderr b/src/test/ui/traits/overlap-not-permitted-for-builtin-trait.stderr index 94a0c287f4a3..910c5e29dac0 100644 --- a/src/test/ui/traits/overlap-not-permitted-for-builtin-trait.stderr +++ b/src/test/ui/traits/overlap-not-permitted-for-builtin-trait.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::marker::Send` for type `MyStruct`: +error[E0119]: conflicting implementations of trait `std::marker::Send` for type `MyStruct` --> $DIR/overlap-not-permitted-for-builtin-trait.rs:7:1 | LL | impl !Send for MyStruct {} diff --git a/src/test/ui/traits/reservation-impl/coherence-conflict.stderr b/src/test/ui/traits/reservation-impl/coherence-conflict.stderr index 1a227a85c06f..a811d7e32016 100644 --- a/src/test/ui/traits/reservation-impl/coherence-conflict.stderr +++ b/src/test/ui/traits/reservation-impl/coherence-conflict.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `OtherTrait` for type `()`: +error[E0119]: conflicting implementations of trait `OtherTrait` for type `()` --> $DIR/coherence-conflict.rs:11:1 | LL | impl OtherTrait for () {} diff --git a/src/test/ui/traits/suggest-where-clause.stderr b/src/test/ui/traits/suggest-where-clause.stderr index 86d589ffa9e3..025706480821 100644 --- a/src/test/ui/traits/suggest-where-clause.stderr +++ b/src/test/ui/traits/suggest-where-clause.stderr @@ -2,7 +2,7 @@ error[E0277]: the size for values of type `U` cannot be known at compilation tim --> $DIR/suggest-where-clause.rs:7:20 | LL | fn check() { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | // suggest a where-clause, if needed LL | mem::size_of::(); | ^ doesn't have a size known at compile-time @@ -16,7 +16,7 @@ error[E0277]: the size for values of type `U` cannot be known at compilation tim --> $DIR/suggest-where-clause.rs:10:5 | LL | fn check() { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` ... LL | mem::size_of::>(); | ^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time @@ -26,7 +26,11 @@ LL | mem::size_of::>(); LL | pub const fn size_of() -> usize { | - required by this bound in `std::mem::size_of` | - = note: required because it appears within the type `Misc` +note: required because it appears within the type `Misc` + --> $DIR/suggest-where-clause.rs:3:8 + | +LL | struct Misc(T); + | ^^^^ error[E0277]: the trait bound `u64: From` is not satisfied --> $DIR/suggest-where-clause.rs:15:5 diff --git a/src/test/ui/type-alias-enum-variants/incorrect-variant-form-through-alias-caught.rs b/src/test/ui/type-alias-enum-variants/incorrect-variant-form-through-alias-caught.rs index 5772450477c1..e4abb96b4bff 100644 --- a/src/test/ui/type-alias-enum-variants/incorrect-variant-form-through-alias-caught.rs +++ b/src/test/ui/type-alias-enum-variants/incorrect-variant-form-through-alias-caught.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // Check that creating/matching on an enum variant through an alias with // the wrong braced/unit form is caught as an error. diff --git a/src/test/ui/type-alias-enum-variants/incorrect-variant-form-through-alias-caught.stderr b/src/test/ui/type-alias-enum-variants/incorrect-variant-form-through-alias-caught.stderr index b0de3ee42e33..f80abade0fd5 100644 --- a/src/test/ui/type-alias-enum-variants/incorrect-variant-form-through-alias-caught.stderr +++ b/src/test/ui/type-alias-enum-variants/incorrect-variant-form-through-alias-caught.stderr @@ -1,23 +1,23 @@ error[E0533]: expected unit struct, unit variant or constant, found struct variant `Alias::Braced` - --> $DIR/incorrect-variant-form-through-alias-caught.rs:10:5 + --> $DIR/incorrect-variant-form-through-alias-caught.rs:8:5 | LL | Alias::Braced; | ^^^^^^^^^^^^^ error[E0533]: expected unit struct, unit variant or constant, found struct variant `Alias::Braced` - --> $DIR/incorrect-variant-form-through-alias-caught.rs:12:9 + --> $DIR/incorrect-variant-form-through-alias-caught.rs:10:9 | LL | let Alias::Braced = panic!(); | ^^^^^^^^^^^^^ error[E0164]: expected tuple struct or tuple variant, found struct variant `Alias::Braced` - --> $DIR/incorrect-variant-form-through-alias-caught.rs:14:9 + --> $DIR/incorrect-variant-form-through-alias-caught.rs:12:9 | LL | let Alias::Braced(..) = panic!(); | ^^^^^^^^^^^^^^^^^ not a tuple variant or struct error[E0618]: expected function, found enum variant `Alias::Unit` - --> $DIR/incorrect-variant-form-through-alias-caught.rs:17:5 + --> $DIR/incorrect-variant-form-through-alias-caught.rs:15:5 | LL | enum Enum { Braced {}, Unit, Tuple() } | ---- `Alias::Unit` defined here @@ -33,7 +33,7 @@ LL | Alias::Unit; | ^^^^^^^^^^^ error[E0164]: expected tuple struct or tuple variant, found unit variant `Alias::Unit` - --> $DIR/incorrect-variant-form-through-alias-caught.rs:19:9 + --> $DIR/incorrect-variant-form-through-alias-caught.rs:17:9 | LL | let Alias::Unit() = panic!(); | ^^^^^^^^^^^^^ not a tuple variant or struct diff --git a/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.full_tait.stderr b/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.full_tait.stderr index 871ef22f3ebc..cfb1fe9c19a8 100644 --- a/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.full_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.full_tait.stderr @@ -15,8 +15,8 @@ LL | type X = impl Clone; | help: consider restricting type parameter `T` | -LL | type X = impl Clone; - | ^^^^^^^ +LL | type X = impl Clone; + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.min_tait.stderr b/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.min_tait.stderr index 20656e5e5532..735b96d5df98 100644 --- a/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.min_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/bounds-are-checked-2.min_tait.stderr @@ -6,8 +6,8 @@ LL | type X = impl Clone; | help: consider restricting type parameter `T` | -LL | type X = impl Clone; - | ^^^^^^^ +LL | type X = impl Clone; + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.full_tait.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.full_tait.stderr index 8a0c411c7754..aab64e72b7bc 100644 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.full_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.full_tait.stderr @@ -28,8 +28,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(T, U)` help: consider restricting type parameter `T` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error[E0277]: `U` doesn't implement `Debug` --> $DIR/generic_duplicate_param_use5.rs:11:18 @@ -40,8 +40,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(T, U)` help: consider restricting type parameter `U` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error: aborting due to 3 previous errors; 1 warning emitted diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.min_tait.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.min_tait.stderr index 35115ccb2d67..5c8c5b897790 100644 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.min_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.min_tait.stderr @@ -19,8 +19,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(T, U)` help: consider restricting type parameter `T` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error[E0277]: `U` doesn't implement `Debug` --> $DIR/generic_duplicate_param_use5.rs:11:18 @@ -31,8 +31,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(T, U)` help: consider restricting type parameter `U` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error: aborting due to 3 previous errors diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.full_tait.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.full_tait.stderr index 8f72c333e817..a69e99bf8b05 100644 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.full_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.full_tait.stderr @@ -28,8 +28,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(T, T)` help: consider restricting type parameter `T` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors; 1 warning emitted diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.min_tait.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.min_tait.stderr index 922c9a742084..a377ef2d8732 100644 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.min_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.min_tait.stderr @@ -19,8 +19,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(T, T)` help: consider restricting type parameter `T` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.full_tait.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.full_tait.stderr index a93321d4d050..e73ac88500e0 100644 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.full_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.full_tait.stderr @@ -28,8 +28,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(T, u32)` help: consider restricting type parameter `T` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors; 1 warning emitted diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.min_tait.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.min_tait.stderr index 25ac60799f66..d7edce7a491d 100644 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.min_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.min_tait.stderr @@ -19,8 +19,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(T, u32)` help: consider restricting type parameter `T` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.full_tait.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.full_tait.stderr index 098be7929d6f..0b3d72d67b24 100644 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.full_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.full_tait.stderr @@ -40,8 +40,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(A, B, ::Bar)` help: consider restricting type parameter `A` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error[E0277]: `B` doesn't implement `Debug` --> $DIR/generic_duplicate_param_use9.rs:10:18 @@ -52,8 +52,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(A, B, ::Bar)` help: consider restricting type parameter `B` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error: aborting due to 4 previous errors; 1 warning emitted diff --git a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.min_tait.stderr b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.min_tait.stderr index b59e10c1b06f..fd1081d7b71d 100644 --- a/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.min_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.min_tait.stderr @@ -31,8 +31,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(A, B, ::Bar)` help: consider restricting type parameter `A` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error[E0277]: `B` doesn't implement `Debug` --> $DIR/generic_duplicate_param_use9.rs:10:18 @@ -43,8 +43,8 @@ LL | type Two = impl Debug; = note: required because of the requirements on the impl of `Debug` for `(A, B, ::Bar)` help: consider restricting type parameter `B` | -LL | type Two = impl Debug; - | ^^^^^^^ +LL | type Two = impl Debug; + | ^^^^^^^^^^^^^^^^^ error: aborting due to 4 previous errors diff --git a/src/test/ui/type-alias-impl-trait/generic_underconstrained2.full_tait.stderr b/src/test/ui/type-alias-impl-trait/generic_underconstrained2.full_tait.stderr index ca263ba4f5b4..7ab73d24274c 100644 --- a/src/test/ui/type-alias-impl-trait/generic_underconstrained2.full_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/generic_underconstrained2.full_tait.stderr @@ -30,8 +30,8 @@ LL | fn underconstrained(_: U) -> Underconstrained { | help: consider restricting type parameter `U` | -LL | fn underconstrained(_: U) -> Underconstrained { - | ^^^^^^^ +LL | fn underconstrained(_: U) -> Underconstrained { + | ^^^^^^^^^^^^^^^^^ error[E0277]: `V` doesn't implement `Debug` --> $DIR/generic_underconstrained2.rs:21:43 @@ -44,8 +44,8 @@ LL | fn underconstrained2(_: U, _: V) -> Underconstrained2 { | help: consider restricting type parameter `V` | -LL | fn underconstrained2(_: U, _: V) -> Underconstrained2 { - | ^^^^^^^ +LL | fn underconstrained2(_: U, _: V) -> Underconstrained2 { + | ^^^^^^^^^^^^^^^^^ error: aborting due to 4 previous errors; 1 warning emitted diff --git a/src/test/ui/type-alias-impl-trait/generic_underconstrained2.min_tait.stderr b/src/test/ui/type-alias-impl-trait/generic_underconstrained2.min_tait.stderr index 6ce32f457e3e..a4f5f4b8645b 100644 --- a/src/test/ui/type-alias-impl-trait/generic_underconstrained2.min_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/generic_underconstrained2.min_tait.stderr @@ -21,8 +21,8 @@ LL | fn underconstrained(_: U) -> Underconstrained { | help: consider restricting type parameter `U` | -LL | fn underconstrained(_: U) -> Underconstrained { - | ^^^^^^^ +LL | fn underconstrained(_: U) -> Underconstrained { + | ^^^^^^^^^^^^^^^^^ error[E0277]: `V` doesn't implement `Debug` --> $DIR/generic_underconstrained2.rs:21:43 @@ -35,8 +35,8 @@ LL | fn underconstrained2(_: U, _: V) -> Underconstrained2 { | help: consider restricting type parameter `V` | -LL | fn underconstrained2(_: U, _: V) -> Underconstrained2 { - | ^^^^^^^ +LL | fn underconstrained2(_: U, _: V) -> Underconstrained2 { + | ^^^^^^^^^^^^^^^^^ error: aborting due to 4 previous errors diff --git a/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.full_tait.stderr b/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.full_tait.stderr index 30521b8bf7d9..6d1a59aafeda 100644 --- a/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.full_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.full_tait.stderr @@ -7,7 +7,7 @@ LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] = note: `#[warn(incomplete_features)]` on by default = note: see issue #63063 for more information -error[E0119]: conflicting implementations of trait `std::ops::FnOnce<()>` for type `&_`: +error[E0119]: conflicting implementations of trait `std::ops::FnOnce<()>` for type `&_` --> $DIR/incoherent-assoc-imp-trait.rs:13:1 | LL | impl FnOnce<()> for &F { diff --git a/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.min_tait.stderr b/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.min_tait.stderr index a0427624ec3f..5c02b602d528 100644 --- a/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.min_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.min_tait.stderr @@ -1,4 +1,4 @@ -error[E0119]: conflicting implementations of trait `std::ops::FnOnce<()>` for type `&_`: +error[E0119]: conflicting implementations of trait `std::ops::FnOnce<()>` for type `&_` --> $DIR/incoherent-assoc-imp-trait.rs:13:1 | LL | impl FnOnce<()> for &F { diff --git a/src/test/ui/type-alias-impl-trait/issue-52843.full_tait.stderr b/src/test/ui/type-alias-impl-trait/issue-52843.full_tait.stderr index 14f4f62d7a5f..35ac0993b29c 100644 --- a/src/test/ui/type-alias-impl-trait/issue-52843.full_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/issue-52843.full_tait.stderr @@ -15,8 +15,8 @@ LL | type Foo = impl Default; | help: consider restricting type parameter `T` | -LL | type Foo = impl Default; - | ^^^^^^^^^ +LL | type Foo = impl Default; + | ^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/type-alias-impl-trait/issue-52843.min_tait.stderr b/src/test/ui/type-alias-impl-trait/issue-52843.min_tait.stderr index 6dda27f515e7..9fb760f34c19 100644 --- a/src/test/ui/type-alias-impl-trait/issue-52843.min_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/issue-52843.min_tait.stderr @@ -6,8 +6,8 @@ LL | type Foo = impl Default; | help: consider restricting type parameter `T` | -LL | type Foo = impl Default; - | ^^^^^^^^^ +LL | type Foo = impl Default; + | ^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/type-alias-impl-trait/issue-53598.full_tait.stderr b/src/test/ui/type-alias-impl-trait/issue-53598.full_tait.stderr index 8c2d713c1607..ee4b7eef0bdc 100644 --- a/src/test/ui/type-alias-impl-trait/issue-53598.full_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/issue-53598.full_tait.stderr @@ -1,5 +1,5 @@ warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/issue-53598.rs:5:32 + --> $DIR/issue-53598.rs:4:32 | LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] | ^^^^^^^^^^^^^^^^^^^^^ @@ -8,7 +8,7 @@ LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] = note: see issue #63063 for more information error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-53598.rs:24:42 + --> $DIR/issue-53598.rs:23:42 | LL | fn foo(_: T) -> Self::Item { | __________________________________________^ diff --git a/src/test/ui/type-alias-impl-trait/issue-53598.min_tait.stderr b/src/test/ui/type-alias-impl-trait/issue-53598.min_tait.stderr index cb5d6ec80403..728721b6dbd7 100644 --- a/src/test/ui/type-alias-impl-trait/issue-53598.min_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/issue-53598.min_tait.stderr @@ -1,5 +1,5 @@ error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-53598.rs:24:42 + --> $DIR/issue-53598.rs:23:42 | LL | fn foo(_: T) -> Self::Item { | __________________________________________^ diff --git a/src/test/ui/type-alias-impl-trait/issue-53598.rs b/src/test/ui/type-alias-impl-trait/issue-53598.rs index 1388c587db95..38067a722237 100644 --- a/src/test/ui/type-alias-impl-trait/issue-53598.rs +++ b/src/test/ui/type-alias-impl-trait/issue-53598.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // ignore-compare-mode-chalk // revisions: min_tait full_tait #![feature(min_type_alias_impl_trait)] diff --git a/src/test/ui/type-alias-impl-trait/issue-57700.full_tait.stderr b/src/test/ui/type-alias-impl-trait/issue-57700.full_tait.stderr index f92a5997a9bf..4336532cdbba 100644 --- a/src/test/ui/type-alias-impl-trait/issue-57700.full_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/issue-57700.full_tait.stderr @@ -1,5 +1,5 @@ warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/issue-57700.rs:6:32 + --> $DIR/issue-57700.rs:5:32 | LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] | ^^^^^^^^^^^^^^^^^^^^^ @@ -8,7 +8,7 @@ LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] = note: see issue #63063 for more information error: type parameter `impl Deref` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-57700.rs:20:58 + --> $DIR/issue-57700.rs:19:58 | LL | fn foo(self: impl Deref) -> Self::Bar { | __________________________________________________________^ diff --git a/src/test/ui/type-alias-impl-trait/issue-57700.min_tait.stderr b/src/test/ui/type-alias-impl-trait/issue-57700.min_tait.stderr index 1aaa42b99ac6..47ab31cd797b 100644 --- a/src/test/ui/type-alias-impl-trait/issue-57700.min_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/issue-57700.min_tait.stderr @@ -1,5 +1,5 @@ error: type parameter `impl Deref` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-57700.rs:20:58 + --> $DIR/issue-57700.rs:19:58 | LL | fn foo(self: impl Deref) -> Self::Bar { | __________________________________________________________^ diff --git a/src/test/ui/type-alias-impl-trait/issue-57700.rs b/src/test/ui/type-alias-impl-trait/issue-57700.rs index c7a123ad2405..476a188cde69 100644 --- a/src/test/ui/type-alias-impl-trait/issue-57700.rs +++ b/src/test/ui/type-alias-impl-trait/issue-57700.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength // ignore-compare-mode-chalk #![feature(arbitrary_self_types)] // revisions: min_tait full_tait diff --git a/src/test/ui/type-alias-impl-trait/issue-63279.full_tait.stderr b/src/test/ui/type-alias-impl-trait/issue-63279.full_tait.stderr index f544f61df97f..53a0016c08eb 100644 --- a/src/test/ui/type-alias-impl-trait/issue-63279.full_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/issue-63279.full_tait.stderr @@ -11,10 +11,10 @@ error[E0271]: type mismatch resolving `<[closure@$DIR/issue-63279.rs:11:5: 11:28 --> $DIR/issue-63279.rs:8:16 | LL | type Closure = impl FnOnce(); - | ^^^^^^^^^^^^^ expected opaque type, found `()` + | ^^^^^^^^^^^^^ expected `()`, found opaque type | - = note: expected opaque type `impl FnOnce<()>` - found unit type `()` + = note: expected unit type `()` + found opaque type `impl FnOnce<()>` error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/type-alias-impl-trait/issue-63279.min_tait.stderr b/src/test/ui/type-alias-impl-trait/issue-63279.min_tait.stderr index bdf414d0badd..be386ab90ea0 100644 --- a/src/test/ui/type-alias-impl-trait/issue-63279.min_tait.stderr +++ b/src/test/ui/type-alias-impl-trait/issue-63279.min_tait.stderr @@ -11,10 +11,10 @@ error[E0271]: type mismatch resolving `<[closure@$DIR/issue-63279.rs:11:5: 11:28 --> $DIR/issue-63279.rs:8:16 | LL | type Closure = impl FnOnce(); - | ^^^^^^^^^^^^^ expected opaque type, found `()` + | ^^^^^^^^^^^^^ expected `()`, found opaque type | - = note: expected opaque type `impl FnOnce<()>` - found unit type `()` + = note: expected unit type `()` + found opaque type `impl FnOnce<()>` error: aborting due to 2 previous errors diff --git a/src/test/ui/type/type-check-defaults.stderr b/src/test/ui/type/type-check-defaults.stderr index d8c7f595e62e..ddfa31cf6244 100644 --- a/src/test/ui/type/type-check-defaults.stderr +++ b/src/test/ui/type/type-check-defaults.stderr @@ -56,8 +56,8 @@ LL | trait Base: Super { } | help: consider further restricting type parameter `T` | -LL | trait Base: Super where T: Copy { } - | ^^^^^^^^^^^^^ +LL | trait Base: Super where T: std::marker::Copy { } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0277]: cannot add `u8` to `i32` --> $DIR/type-check-defaults.rs:24:66 diff --git a/src/test/ui/typeck/issue-83621-placeholder-static-in-extern.rs b/src/test/ui/typeck/issue-83621-placeholder-static-in-extern.rs new file mode 100644 index 000000000000..16ec2a546434 --- /dev/null +++ b/src/test/ui/typeck/issue-83621-placeholder-static-in-extern.rs @@ -0,0 +1,7 @@ +// Regression test for #83621. + +extern "C" { + static x: _; //~ ERROR: [E0121] +} + +fn main() {} diff --git a/src/test/ui/typeck/issue-83621-placeholder-static-in-extern.stderr b/src/test/ui/typeck/issue-83621-placeholder-static-in-extern.stderr new file mode 100644 index 000000000000..b1bec4c0827f --- /dev/null +++ b/src/test/ui/typeck/issue-83621-placeholder-static-in-extern.stderr @@ -0,0 +1,9 @@ +error[E0121]: the type placeholder `_` is not allowed within types on item signatures + --> $DIR/issue-83621-placeholder-static-in-extern.rs:4:15 + | +LL | static x: _; + | ^ not allowed in type signatures + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0121`. diff --git a/src/test/ui/typeck/typeck-default-trait-impl-negation-sync.stderr b/src/test/ui/typeck/typeck-default-trait-impl-negation-sync.stderr index 1f21e1259700..a9b49ee32630 100644 --- a/src/test/ui/typeck/typeck-default-trait-impl-negation-sync.stderr +++ b/src/test/ui/typeck/typeck-default-trait-impl-negation-sync.stderr @@ -19,7 +19,11 @@ LL | is_sync::(); | ^^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell` cannot be shared between threads safely | = help: within `MyTypeWUnsafe`, the trait `Sync` is not implemented for `UnsafeCell` - = note: required because it appears within the type `MyTypeWUnsafe` +note: required because it appears within the type `MyTypeWUnsafe` + --> $DIR/typeck-default-trait-impl-negation-sync.rs:21:8 + | +LL | struct MyTypeWUnsafe { + | ^^^^^^^^^^^^^ error[E0277]: `Managed` cannot be shared between threads safely --> $DIR/typeck-default-trait-impl-negation-sync.rs:39:5 @@ -31,7 +35,11 @@ LL | is_sync::(); | ^^^^^^^^^^^^^^^^^^^^^^^^ `Managed` cannot be shared between threads safely | = help: within `MyTypeManaged`, the trait `Sync` is not implemented for `Managed` - = note: required because it appears within the type `MyTypeManaged` +note: required because it appears within the type `MyTypeManaged` + --> $DIR/typeck-default-trait-impl-negation-sync.rs:25:8 + | +LL | struct MyTypeManaged { + | ^^^^^^^^^^^^^ error: aborting due to 3 previous errors diff --git a/src/test/ui/typeck/typeck-default-trait-impl-send-param.stderr b/src/test/ui/typeck/typeck-default-trait-impl-send-param.stderr index 4fb423b9a2c3..7398b48a238d 100644 --- a/src/test/ui/typeck/typeck-default-trait-impl-send-param.stderr +++ b/src/test/ui/typeck/typeck-default-trait-impl-send-param.stderr @@ -9,8 +9,8 @@ LL | fn is_send() { | help: consider restricting type parameter `T` | -LL | fn foo() { - | ^^^^^^ +LL | fn foo() { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/typeck/typeck-unsafe-always-share.stderr b/src/test/ui/typeck/typeck-unsafe-always-share.stderr index 2a6ae736d7a8..91585e78d4b9 100644 --- a/src/test/ui/typeck/typeck-unsafe-always-share.stderr +++ b/src/test/ui/typeck/typeck-unsafe-always-share.stderr @@ -30,7 +30,11 @@ LL | test(ms); | ^^^^ `UnsafeCell` cannot be shared between threads safely | = help: within `MySync`, the trait `Sync` is not implemented for `UnsafeCell` - = note: required because it appears within the type `MySync` +note: required because it appears within the type `MySync` + --> $DIR/typeck-unsafe-always-share.rs:8:8 + | +LL | struct MySync { + | ^^^^^^ error[E0277]: `NoSync` cannot be shared between threads safely --> $DIR/typeck-unsafe-always-share.rs:30:10 diff --git a/src/test/ui/union/union-deref.rs b/src/test/ui/union/union-deref.rs index df598eea9ef0..48f5b36bd17f 100644 --- a/src/test/ui/union/union-deref.rs +++ b/src/test/ui/union/union-deref.rs @@ -1,4 +1,3 @@ -// ignore-tidy-linelength //! Test the part of RFC 2514 that is about not applying `DerefMut` coercions //! of union fields. #![feature(untagged_unions)] diff --git a/src/test/ui/union/union-deref.stderr b/src/test/ui/union/union-deref.stderr index f7722764cd3f..6af050bc4b79 100644 --- a/src/test/ui/union/union-deref.stderr +++ b/src/test/ui/union/union-deref.stderr @@ -1,5 +1,5 @@ error: not automatically applying `DerefMut` on `ManuallyDrop` union field - --> $DIR/union-deref.rs:15:14 + --> $DIR/union-deref.rs:14:14 | LL | unsafe { u.f.0 = Vec::new() }; | ^^^ @@ -8,7 +8,7 @@ LL | unsafe { u.f.0 = Vec::new() }; = help: add an explicit `*` if that is desired, or call `ptr::write` to not run the destructor error: not automatically applying `DerefMut` on `ManuallyDrop` union field - --> $DIR/union-deref.rs:17:19 + --> $DIR/union-deref.rs:16:19 | LL | unsafe { &mut u.f.0 }; | ^^^ @@ -17,7 +17,7 @@ LL | unsafe { &mut u.f.0 }; = help: add an explicit `*` if that is desired, or call `ptr::write` to not run the destructor error: not automatically applying `DerefMut` on `ManuallyDrop` union field - --> $DIR/union-deref.rs:19:14 + --> $DIR/union-deref.rs:18:14 | LL | unsafe { u.f.0.push(0) }; | ^^^ @@ -26,7 +26,7 @@ LL | unsafe { u.f.0.push(0) }; = help: add an explicit `*` if that is desired, or call `ptr::write` to not run the destructor error: not automatically applying `DerefMut` on `ManuallyDrop` union field - --> $DIR/union-deref.rs:23:14 + --> $DIR/union-deref.rs:22:14 | LL | unsafe { u.f.0.0 = Vec::new() }; | ^^^^^ @@ -35,7 +35,7 @@ LL | unsafe { u.f.0.0 = Vec::new() }; = help: add an explicit `*` if that is desired, or call `ptr::write` to not run the destructor error: not automatically applying `DerefMut` on `ManuallyDrop` union field - --> $DIR/union-deref.rs:25:19 + --> $DIR/union-deref.rs:24:19 | LL | unsafe { &mut u.f.0.0 }; | ^^^^^ @@ -44,7 +44,7 @@ LL | unsafe { &mut u.f.0.0 }; = help: add an explicit `*` if that is desired, or call `ptr::write` to not run the destructor error: not automatically applying `DerefMut` on `ManuallyDrop` union field - --> $DIR/union-deref.rs:27:14 + --> $DIR/union-deref.rs:26:14 | LL | unsafe { u.f.0.0.push(0) }; | ^^^^^ diff --git a/src/test/ui/union/union-derive-clone.stderr b/src/test/ui/union/union-derive-clone.stderr index a793bf58d23e..546394664dfe 100644 --- a/src/test/ui/union/union-derive-clone.stderr +++ b/src/test/ui/union/union-derive-clone.stderr @@ -25,14 +25,6 @@ LL | struct CloneNoCopy; ... LL | let w = u.clone(); | ^^^^^ method cannot be called on `U5` due to unsatisfied trait bounds - | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | ----- - | | - | the method is available for `Arc>` here - | the method is available for `Rc>` here | = note: the following trait bounds were not satisfied: `CloneNoCopy: Copy` diff --git a/src/test/ui/union/union-sized-field.stderr b/src/test/ui/union/union-sized-field.stderr index cebeeb59a782..b916bbe8ad10 100644 --- a/src/test/ui/union/union-sized-field.stderr +++ b/src/test/ui/union/union-sized-field.stderr @@ -2,7 +2,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim --> $DIR/union-sized-field.rs:4:12 | LL | union Foo { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | value: T, | ^ doesn't have a size known at compile-time | @@ -21,7 +21,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim --> $DIR/union-sized-field.rs:9:12 | LL | struct Foo2 { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | value: T, | ^ doesn't have a size known at compile-time | @@ -40,7 +40,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim --> $DIR/union-sized-field.rs:15:11 | LL | enum Foo3 { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | Value(T), | ^ doesn't have a size known at compile-time | diff --git a/src/test/ui/unique-object-noncopyable.stderr b/src/test/ui/unique-object-noncopyable.stderr index 4bbacfc0a8b6..6a355dd25628 100644 --- a/src/test/ui/unique-object-noncopyable.stderr +++ b/src/test/ui/unique-object-noncopyable.stderr @@ -10,14 +10,6 @@ LL | trait Foo { LL | let _z = y.clone(); | ^^^^^ method cannot be called on `Box` due to unsatisfied trait bounds | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | ----- - | | - | the method is available for `Arc>` here - | the method is available for `Rc>` here - | ::: $SRC_DIR/alloc/src/boxed.rs:LL:COL | LL | / pub struct Box< diff --git a/src/test/ui/unique-pinned-nocopy.stderr b/src/test/ui/unique-pinned-nocopy.stderr index dd0b7fc5489c..a4421bcf8097 100644 --- a/src/test/ui/unique-pinned-nocopy.stderr +++ b/src/test/ui/unique-pinned-nocopy.stderr @@ -7,14 +7,6 @@ LL | struct R { LL | let _j = i.clone(); | ^^^^^ method cannot be called on `Box` due to unsatisfied trait bounds | - ::: $SRC_DIR/core/src/clone.rs:LL:COL - | -LL | fn clone(&self) -> Self; - | ----- - | | - | the method is available for `Arc>` here - | the method is available for `Rc>` here - | ::: $SRC_DIR/alloc/src/boxed.rs:LL:COL | LL | / pub struct Box< diff --git a/src/test/ui/unsized-locals/issue-50940-with-feature.stderr b/src/test/ui/unsized-locals/issue-50940-with-feature.stderr index 1b1a584a01ff..4523d41b6006 100644 --- a/src/test/ui/unsized-locals/issue-50940-with-feature.stderr +++ b/src/test/ui/unsized-locals/issue-50940-with-feature.stderr @@ -14,7 +14,11 @@ LL | A as fn(str) -> A; | ^ doesn't have a size known at compile-time | = help: within `A`, the trait `Sized` is not implemented for `str` - = note: required because it appears within the type `A` +note: required because it appears within the type `A` + --> $DIR/issue-50940-with-feature.rs:5:12 + | +LL | struct A(X); + | ^ = note: the return type of a function must have a statically known size error: aborting due to previous error; 1 warning emitted diff --git a/src/test/ui/unsized-locals/unsized-exprs.stderr b/src/test/ui/unsized-locals/unsized-exprs.stderr index 9fb401aec2cf..a7f57e3fd156 100644 --- a/src/test/ui/unsized-locals/unsized-exprs.stderr +++ b/src/test/ui/unsized-locals/unsized-exprs.stderr @@ -15,7 +15,11 @@ LL | udrop::>(A { 0: *foo() }); | ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: within `A<[u8]>`, the trait `Sized` is not implemented for `[u8]` - = note: required because it appears within the type `A<[u8]>` +note: required because it appears within the type `A<[u8]>` + --> $DIR/unsized-exprs.rs:3:8 + | +LL | struct A(X); + | ^ = note: structs must have a statically known size to be initialized error[E0277]: the size for values of type `[u8]` cannot be known at compilation time @@ -25,7 +29,11 @@ LL | udrop::>(A(*foo())); | ^ doesn't have a size known at compile-time | = help: within `A<[u8]>`, the trait `Sized` is not implemented for `[u8]` - = note: required because it appears within the type `A<[u8]>` +note: required because it appears within the type `A<[u8]>` + --> $DIR/unsized-exprs.rs:3:8 + | +LL | struct A(X); + | ^ = note: the return type of a function must have a statically known size error: aborting due to 3 previous errors diff --git a/src/test/ui/unsized/return-unsized-from-trait-method.rs b/src/test/ui/unsized/return-unsized-from-trait-method.rs index 2d265d5db5c1..ebe6edd10101 100644 --- a/src/test/ui/unsized/return-unsized-from-trait-method.rs +++ b/src/test/ui/unsized/return-unsized-from-trait-method.rs @@ -1,5 +1,3 @@ -// ignore-tidy-linelength - // regression test for #26376 trait Foo { diff --git a/src/test/ui/unsized/return-unsized-from-trait-method.stderr b/src/test/ui/unsized/return-unsized-from-trait-method.stderr index 7ecdd2861667..4dd7cf5e02fc 100644 --- a/src/test/ui/unsized/return-unsized-from-trait-method.stderr +++ b/src/test/ui/unsized/return-unsized-from-trait-method.stderr @@ -1,5 +1,5 @@ error[E0161]: cannot move a value of type [u8]: the size of [u8] cannot be statically determined - --> $DIR/return-unsized-from-trait-method.rs:11:17 + --> $DIR/return-unsized-from-trait-method.rs:9:17 | LL | let _ = f.foo(); | ^^^^^^^ diff --git a/src/test/ui/unsized/unsized-bare-typaram.stderr b/src/test/ui/unsized/unsized-bare-typaram.stderr index b2ff3159c959..19978ae24cac 100644 --- a/src/test/ui/unsized/unsized-bare-typaram.stderr +++ b/src/test/ui/unsized/unsized-bare-typaram.stderr @@ -6,7 +6,7 @@ LL | fn bar() { } LL | fn foo() { bar::() } | - ^ doesn't have a size known at compile-time | | - | this type parameter needs to be `Sized` + | this type parameter needs to be `std::marker::Sized` error: aborting due to previous error diff --git a/src/test/ui/unsized/unsized-enum.stderr b/src/test/ui/unsized/unsized-enum.stderr index 3057d4789bd8..601db7d1cd98 100644 --- a/src/test/ui/unsized/unsized-enum.stderr +++ b/src/test/ui/unsized/unsized-enum.stderr @@ -7,7 +7,7 @@ LL | fn foo1() { not_sized::>() } // Hunky dory. LL | fn foo2() { not_sized::>() } | - ^^^^^^ doesn't have a size known at compile-time | | - | this type parameter needs to be `Sized` + | this type parameter needs to be `std::marker::Sized` | help: you could relax the implicit `Sized` bound on `U` if it were used through indirection like `&U` or `Box` --> $DIR/unsized-enum.rs:4:10 diff --git a/src/test/ui/unsized/unsized-enum2.stderr b/src/test/ui/unsized/unsized-enum2.stderr index 0a0896638e07..1b6c85858159 100644 --- a/src/test/ui/unsized/unsized-enum2.stderr +++ b/src/test/ui/unsized/unsized-enum2.stderr @@ -2,7 +2,7 @@ error[E0277]: the size for values of type `W` cannot be known at compilation tim --> $DIR/unsized-enum2.rs:23:8 | LL | enum E { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | // parameter LL | VA(W), | ^ doesn't have a size known at compile-time @@ -22,7 +22,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized-enum2.rs:25:11 | LL | enum E { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` ... LL | VB{x: X}, | ^ doesn't have a size known at compile-time @@ -42,7 +42,7 @@ error[E0277]: the size for values of type `Y` cannot be known at compilation tim --> $DIR/unsized-enum2.rs:27:15 | LL | enum E { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` ... LL | VC(isize, Y), | ^ doesn't have a size known at compile-time @@ -62,7 +62,7 @@ error[E0277]: the size for values of type `Z` cannot be known at compilation tim --> $DIR/unsized-enum2.rs:29:21 | LL | enum E { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` ... LL | VD{u: isize, x: Z}, | ^ doesn't have a size known at compile-time @@ -301,7 +301,11 @@ LL | VI(Path1), | ^^^^^ doesn't have a size known at compile-time | = help: within `Path1`, the trait `Sized` is not implemented for `(dyn PathHelper1 + 'static)` - = note: required because it appears within the type `Path1` +note: required because it appears within the type `Path1` + --> $DIR/unsized-enum2.rs:16:8 + | +LL | struct Path1(dyn PathHelper1); + | ^^^^^ = note: no field of an enum variant may have a dynamically sized type = help: change the field's type to have a statically known size help: borrowed types always have a statically known size @@ -320,7 +324,11 @@ LL | VJ{x: Path2}, | ^^^^^ doesn't have a size known at compile-time | = help: within `Path2`, the trait `Sized` is not implemented for `(dyn PathHelper2 + 'static)` - = note: required because it appears within the type `Path2` +note: required because it appears within the type `Path2` + --> $DIR/unsized-enum2.rs:17:8 + | +LL | struct Path2(dyn PathHelper2); + | ^^^^^ = note: no field of an enum variant may have a dynamically sized type = help: change the field's type to have a statically known size help: borrowed types always have a statically known size @@ -339,7 +347,11 @@ LL | VK(isize, Path3), | ^^^^^ doesn't have a size known at compile-time | = help: within `Path3`, the trait `Sized` is not implemented for `(dyn PathHelper3 + 'static)` - = note: required because it appears within the type `Path3` +note: required because it appears within the type `Path3` + --> $DIR/unsized-enum2.rs:18:8 + | +LL | struct Path3(dyn PathHelper3); + | ^^^^^ = note: no field of an enum variant may have a dynamically sized type = help: change the field's type to have a statically known size help: borrowed types always have a statically known size @@ -358,7 +370,11 @@ LL | VL{u: isize, x: Path4}, | ^^^^^ doesn't have a size known at compile-time | = help: within `Path4`, the trait `Sized` is not implemented for `(dyn PathHelper4 + 'static)` - = note: required because it appears within the type `Path4` +note: required because it appears within the type `Path4` + --> $DIR/unsized-enum2.rs:19:8 + | +LL | struct Path4(dyn PathHelper4); + | ^^^^^ = note: no field of an enum variant may have a dynamically sized type = help: change the field's type to have a statically known size help: borrowed types always have a statically known size diff --git a/src/test/ui/unsized/unsized-inherent-impl-self-type.stderr b/src/test/ui/unsized/unsized-inherent-impl-self-type.stderr index 9d8a1c67734a..9d072eda4e81 100644 --- a/src/test/ui/unsized/unsized-inherent-impl-self-type.stderr +++ b/src/test/ui/unsized/unsized-inherent-impl-self-type.stderr @@ -7,7 +7,7 @@ LL | LL | impl S5 { | - ^^^^^ doesn't have a size known at compile-time | | - | this type parameter needs to be `Sized` + | this type parameter needs to be `std::marker::Sized` | help: you could relax the implicit `Sized` bound on `Y` if it were used through indirection like `&Y` or `Box` --> $DIR/unsized-inherent-impl-self-type.rs:5:11 diff --git a/src/test/ui/unsized/unsized-struct.stderr b/src/test/ui/unsized/unsized-struct.stderr index 6661cf358b3a..e38375bff46c 100644 --- a/src/test/ui/unsized/unsized-struct.stderr +++ b/src/test/ui/unsized/unsized-struct.stderr @@ -7,7 +7,7 @@ LL | fn foo1() { not_sized::>() } // Hunky dory. LL | fn foo2() { not_sized::>() } | - ^^^^^^ doesn't have a size known at compile-time | | - | this type parameter needs to be `Sized` + | this type parameter needs to be `std::marker::Sized` | help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box` --> $DIR/unsized-struct.rs:4:12 @@ -26,9 +26,13 @@ LL | fn is_sized() { } LL | fn bar2() { is_sized::>() } | - ^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | | - | this type parameter needs to be `Sized` + | this type parameter needs to be `std::marker::Sized` | - = note: required because it appears within the type `Bar` +note: required because it appears within the type `Bar` + --> $DIR/unsized-struct.rs:11:8 + | +LL | struct Bar { data: T } + | ^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/unsized/unsized-trait-impl-self-type.stderr b/src/test/ui/unsized/unsized-trait-impl-self-type.stderr index d1b590d81330..aef0d0cbb839 100644 --- a/src/test/ui/unsized/unsized-trait-impl-self-type.stderr +++ b/src/test/ui/unsized/unsized-trait-impl-self-type.stderr @@ -7,7 +7,7 @@ LL | LL | impl T3 for S5 { | - ^^^^^ doesn't have a size known at compile-time | | - | this type parameter needs to be `Sized` + | this type parameter needs to be `std::marker::Sized` | help: you could relax the implicit `Sized` bound on `Y` if it were used through indirection like `&Y` or `Box` --> $DIR/unsized-trait-impl-self-type.rs:8:11 diff --git a/src/test/ui/unsized/unsized-trait-impl-trait-arg.stderr b/src/test/ui/unsized/unsized-trait-impl-trait-arg.stderr index 17fe16ed4fc0..f48d4ef9f146 100644 --- a/src/test/ui/unsized/unsized-trait-impl-trait-arg.stderr +++ b/src/test/ui/unsized/unsized-trait-impl-trait-arg.stderr @@ -7,7 +7,7 @@ LL | trait T2 { LL | impl T2 for S4 { | - ^^^^^ doesn't have a size known at compile-time | | - | this type parameter needs to be `Sized` + | this type parameter needs to be `std::marker::Sized` | help: consider relaxing the implicit `Sized` restriction | diff --git a/src/test/ui/unsized3.stderr b/src/test/ui/unsized3.stderr index 7ed43c38f1d3..bd36008aca04 100644 --- a/src/test/ui/unsized3.stderr +++ b/src/test/ui/unsized3.stderr @@ -2,7 +2,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized3.rs:7:13 | LL | fn f1(x: &X) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | f2::(x); | ^ doesn't have a size known at compile-time ... @@ -18,7 +18,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized3.rs:18:13 | LL | fn f3(x: &X) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | f4::(x); | ^ doesn't have a size known at compile-time ... @@ -37,11 +37,15 @@ LL | fn f5(x: &Y) {} | - required by this bound in `f5` ... LL | fn f8(x1: &S, x2: &S) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | f5(x1); | ^^ doesn't have a size known at compile-time | - = note: required because it appears within the type `S` +note: required because it appears within the type `S` + --> $DIR/unsized3.rs:28:8 + | +LL | struct S { + | ^ help: consider relaxing the implicit `Sized` restriction | LL | fn f5(x: &Y) {} @@ -51,22 +55,30 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized3.rs:40:8 | LL | fn f9(x1: Box>) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | f5(&(*x1, 34)); | ^^^^^^^^^^ doesn't have a size known at compile-time | - = note: required because it appears within the type `S` +note: required because it appears within the type `S` + --> $DIR/unsized3.rs:28:8 + | +LL | struct S { + | ^ = note: only the last element of a tuple may have a dynamically sized type error[E0277]: the size for values of type `X` cannot be known at compilation time --> $DIR/unsized3.rs:45:9 | LL | fn f10(x1: Box>) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | f5(&(32, *x1)); | ^^^^^^^^^ doesn't have a size known at compile-time | - = note: required because it appears within the type `S` +note: required because it appears within the type `S` + --> $DIR/unsized3.rs:28:8 + | +LL | struct S { + | ^ = note: required because it appears within the type `({integer}, S)` = note: tuples must have a statically known size to be initialized @@ -77,11 +89,15 @@ LL | fn f5(x: &Y) {} | - required by this bound in `f5` ... LL | fn f10(x1: Box>) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | f5(&(32, *x1)); | ^^^^^^^^^^ doesn't have a size known at compile-time | - = note: required because it appears within the type `S` +note: required because it appears within the type `S` + --> $DIR/unsized3.rs:28:8 + | +LL | struct S { + | ^ = note: required because it appears within the type `({integer}, S)` help: consider relaxing the implicit `Sized` restriction | diff --git a/src/test/ui/unsized5.stderr b/src/test/ui/unsized5.stderr index a7539b0672af..0bfd4565529a 100644 --- a/src/test/ui/unsized5.stderr +++ b/src/test/ui/unsized5.stderr @@ -2,7 +2,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized5.rs:4:9 | LL | struct S1 { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | f1: X, | ^ doesn't have a size known at compile-time | @@ -21,7 +21,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized5.rs:10:8 | LL | struct S2 { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | f: isize, LL | g: X, | ^ doesn't have a size known at compile-time @@ -77,7 +77,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized5.rs:25:8 | LL | enum E { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | V1(X, isize), | ^ doesn't have a size known at compile-time | @@ -96,7 +96,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized5.rs:29:12 | LL | enum F { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | V2{f1: X, f: isize}, | ^ doesn't have a size known at compile-time | diff --git a/src/test/ui/unsized6.stderr b/src/test/ui/unsized6.stderr index 71dac236fa31..f9f7877d5426 100644 --- a/src/test/ui/unsized6.stderr +++ b/src/test/ui/unsized6.stderr @@ -2,7 +2,7 @@ error[E0277]: the size for values of type `Y` cannot be known at compilation tim --> $DIR/unsized6.rs:9:9 | LL | fn f1(x: &X) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` ... LL | let y: Y; | ^ doesn't have a size known at compile-time @@ -14,7 +14,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized6.rs:7:12 | LL | fn f1(x: &X) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | let _: W; // <-- this is OK, no bindings created, no initializer. LL | let _: (isize, (X, isize)); | ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time @@ -25,7 +25,7 @@ error[E0277]: the size for values of type `Z` cannot be known at compilation tim --> $DIR/unsized6.rs:11:12 | LL | fn f1(x: &X) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` ... LL | let y: (isize, (Z, usize)); | ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time @@ -36,7 +36,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized6.rs:15:9 | LL | fn f2(x: &X) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | let y: X; | ^ doesn't have a size known at compile-time | @@ -47,7 +47,7 @@ error[E0277]: the size for values of type `Y` cannot be known at compilation tim --> $DIR/unsized6.rs:17:12 | LL | fn f2(x: &X) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` ... LL | let y: (isize, (Y, isize)); | ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time @@ -58,7 +58,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized6.rs:22:9 | LL | fn f3(x1: Box, x2: Box, x3: Box) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | let y: X = *x1; | ^ doesn't have a size known at compile-time | @@ -69,7 +69,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized6.rs:24:9 | LL | fn f3(x1: Box, x2: Box, x3: Box) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` ... LL | let y = *x2; | ^ doesn't have a size known at compile-time @@ -81,7 +81,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized6.rs:26:10 | LL | fn f3(x1: Box, x2: Box, x3: Box) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` ... LL | let (y, z) = (*x3, 4); | ^ doesn't have a size known at compile-time @@ -93,7 +93,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized6.rs:30:9 | LL | fn f4(x1: Box, x2: Box, x3: Box) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` LL | let y: X = *x1; | ^ doesn't have a size known at compile-time | @@ -104,7 +104,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized6.rs:32:9 | LL | fn f4(x1: Box, x2: Box, x3: Box) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` ... LL | let y = *x2; | ^ doesn't have a size known at compile-time @@ -116,7 +116,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim --> $DIR/unsized6.rs:34:10 | LL | fn f4(x1: Box, x2: Box, x3: Box) { - | - this type parameter needs to be `Sized` + | - this type parameter needs to be `std::marker::Sized` ... LL | let (y, z) = (*x3, 4); | ^ doesn't have a size known at compile-time @@ -130,7 +130,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim LL | fn g1(x: X) {} | - ^ doesn't have a size known at compile-time | | - | this type parameter needs to be `Sized` + | this type parameter needs to be `std::marker::Sized` | = help: unsized fn params are gated as an unstable feature help: function arguments must have a statically known size, borrowed types always have a known size @@ -144,7 +144,7 @@ error[E0277]: the size for values of type `X` cannot be known at compilation tim LL | fn g2(x: X) {} | - ^ doesn't have a size known at compile-time | | - | this type parameter needs to be `Sized` + | this type parameter needs to be `std::marker::Sized` | = help: unsized fn params are gated as an unstable feature help: function arguments must have a statically known size, borrowed types always have a known size diff --git a/src/test/ui/unsized7.stderr b/src/test/ui/unsized7.stderr index 5f9a2604ed5b..7dbddd4ed244 100644 --- a/src/test/ui/unsized7.stderr +++ b/src/test/ui/unsized7.stderr @@ -7,7 +7,7 @@ LL | trait T1 { LL | impl T1 for S3 { | - ^^^^^ doesn't have a size known at compile-time | | - | this type parameter needs to be `Sized` + | this type parameter needs to be `std::marker::Sized` | help: consider relaxing the implicit `Sized` restriction | diff --git a/src/test/ui/unused/unused-doc-comments-for-macros.rs b/src/test/ui/unused/unused-doc-comments-for-macros.rs new file mode 100644 index 000000000000..05828ebb2c35 --- /dev/null +++ b/src/test/ui/unused/unused-doc-comments-for-macros.rs @@ -0,0 +1,17 @@ +#![deny(unused_doc_comments)] +#![feature(rustc_attrs)] + +macro_rules! foo { () => {}; } + +fn main() { + /// line1 //~ ERROR: unused doc comment + /// line2 + /// line3 + foo!(); + + // Ensure we still detect another doc-comment block. + /// line1 //~ ERROR: unused doc comment + /// line2 + /// line3 + foo!(); +} diff --git a/src/test/ui/unused/unused-doc-comments-for-macros.stderr b/src/test/ui/unused/unused-doc-comments-for-macros.stderr new file mode 100644 index 000000000000..f4f5bb71e551 --- /dev/null +++ b/src/test/ui/unused/unused-doc-comments-for-macros.stderr @@ -0,0 +1,31 @@ +error: unused doc comment + --> $DIR/unused-doc-comments-for-macros.rs:7:5 + | +LL | / /// line1 +LL | | /// line2 +LL | | /// line3 + | |_____--------^ + | | + | rustdoc does not generate documentation for macro invocations + | +note: the lint level is defined here + --> $DIR/unused-doc-comments-for-macros.rs:1:9 + | +LL | #![deny(unused_doc_comments)] + | ^^^^^^^^^^^^^^^^^^^ + = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion + +error: unused doc comment + --> $DIR/unused-doc-comments-for-macros.rs:13:5 + | +LL | / /// line1 +LL | | /// line2 +LL | | /// line3 + | |_____--------^ + | | + | rustdoc does not generate documentation for macro invocations + | + = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion + +error: aborting due to 2 previous errors + diff --git a/src/test/ui/useless-comment.rs b/src/test/ui/unused/useless-comment.rs similarity index 100% rename from src/test/ui/useless-comment.rs rename to src/test/ui/unused/useless-comment.rs diff --git a/src/test/ui/useless-comment.stderr b/src/test/ui/unused/useless-comment.stderr similarity index 100% rename from src/test/ui/useless-comment.stderr rename to src/test/ui/unused/useless-comment.stderr diff --git a/src/test/ui/wf/wf-enum-bound.stderr b/src/test/ui/wf/wf-enum-bound.stderr index e7bc85822513..7819110dd98b 100644 --- a/src/test/ui/wf/wf-enum-bound.stderr +++ b/src/test/ui/wf/wf-enum-bound.stderr @@ -9,8 +9,8 @@ LL | where T: ExtraCopy | help: consider further restricting type parameter `U` | -LL | where T: ExtraCopy, U: Copy - | ^^^^^^^^^ +LL | where T: ExtraCopy, U: std::marker::Copy + | ^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-enum-fields-struct-variant.stderr b/src/test/ui/wf/wf-enum-fields-struct-variant.stderr index c97ce53885b7..4bfb2413fe99 100644 --- a/src/test/ui/wf/wf-enum-fields-struct-variant.stderr +++ b/src/test/ui/wf/wf-enum-fields-struct-variant.stderr @@ -9,8 +9,8 @@ LL | f: IsCopy | help: consider restricting type parameter `A` | -LL | enum AnotherEnum { - | ^^^^^^ +LL | enum AnotherEnum { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-enum-fields.stderr b/src/test/ui/wf/wf-enum-fields.stderr index 85da1bf5839a..c8a75afbab7c 100644 --- a/src/test/ui/wf/wf-enum-fields.stderr +++ b/src/test/ui/wf/wf-enum-fields.stderr @@ -9,8 +9,8 @@ LL | SomeVariant(IsCopy) | help: consider restricting type parameter `A` | -LL | enum SomeEnum { - | ^^^^^^ +LL | enum SomeEnum { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-fn-where-clause.stderr b/src/test/ui/wf/wf-fn-where-clause.stderr index 22598e58bd74..e463e3db887a 100644 --- a/src/test/ui/wf/wf-fn-where-clause.stderr +++ b/src/test/ui/wf/wf-fn-where-clause.stderr @@ -9,8 +9,8 @@ LL | fn foo() where T: ExtraCopy | help: consider further restricting type parameter `U` | -LL | fn foo() where T: ExtraCopy, U: Copy - | ^^^^^^^^^ +LL | fn foo() where T: ExtraCopy, U: std::marker::Copy + | ^^^^^^^^^^^^^^^^^^^^^^ error[E0277]: the size for values of type `(dyn Copy + 'static)` cannot be known at compilation time --> $DIR/wf-fn-where-clause.rs:12:16 diff --git a/src/test/ui/wf/wf-in-fn-arg.stderr b/src/test/ui/wf/wf-in-fn-arg.stderr index d6010d1d79e9..9687658feba4 100644 --- a/src/test/ui/wf/wf-in-fn-arg.stderr +++ b/src/test/ui/wf/wf-in-fn-arg.stderr @@ -9,8 +9,8 @@ LL | fn bar(_: &MustBeCopy) | help: consider restricting type parameter `T` | -LL | fn bar(_: &MustBeCopy) - | ^^^^^^ +LL | fn bar(_: &MustBeCopy) + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-in-fn-ret.stderr b/src/test/ui/wf/wf-in-fn-ret.stderr index c22252657f12..f9a962578e65 100644 --- a/src/test/ui/wf/wf-in-fn-ret.stderr +++ b/src/test/ui/wf/wf-in-fn-ret.stderr @@ -9,8 +9,8 @@ LL | fn bar() -> MustBeCopy | help: consider restricting type parameter `T` | -LL | fn bar() -> MustBeCopy - | ^^^^^^ +LL | fn bar() -> MustBeCopy + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-in-fn-type-arg.stderr b/src/test/ui/wf/wf-in-fn-type-arg.stderr index 6d249f5f918d..33300b396425 100644 --- a/src/test/ui/wf/wf-in-fn-type-arg.stderr +++ b/src/test/ui/wf/wf-in-fn-type-arg.stderr @@ -9,8 +9,8 @@ LL | x: fn(MustBeCopy) | help: consider restricting type parameter `T` | -LL | struct Bar { - | ^^^^^^ +LL | struct Bar { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-in-fn-type-ret.stderr b/src/test/ui/wf/wf-in-fn-type-ret.stderr index 30ff365b116e..1ffc47e6d826 100644 --- a/src/test/ui/wf/wf-in-fn-type-ret.stderr +++ b/src/test/ui/wf/wf-in-fn-type-ret.stderr @@ -9,8 +9,8 @@ LL | x: fn() -> MustBeCopy | help: consider restricting type parameter `T` | -LL | struct Foo { - | ^^^^^^ +LL | struct Foo { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-in-fn-where-clause.stderr b/src/test/ui/wf/wf-in-fn-where-clause.stderr index 64e9694c0e16..7cb9af11d799 100644 --- a/src/test/ui/wf/wf-in-fn-where-clause.stderr +++ b/src/test/ui/wf/wf-in-fn-where-clause.stderr @@ -9,8 +9,8 @@ LL | where T: MustBeCopy | help: consider further restricting type parameter `U` | -LL | where T: MustBeCopy, U: Copy - | ^^^^^^^^^ +LL | where T: MustBeCopy, U: std::marker::Copy + | ^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-in-obj-type-trait.stderr b/src/test/ui/wf/wf-in-obj-type-trait.stderr index 55ea08ccbe7f..8606eabf59c1 100644 --- a/src/test/ui/wf/wf-in-obj-type-trait.stderr +++ b/src/test/ui/wf/wf-in-obj-type-trait.stderr @@ -9,8 +9,8 @@ LL | x: dyn Object> | help: consider restricting type parameter `T` | -LL | struct Bar { - | ^^^^^^ +LL | struct Bar { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-inherent-impl-method-where-clause.stderr b/src/test/ui/wf/wf-inherent-impl-method-where-clause.stderr index 7bbdd4bcf242..8e0ce557e6b4 100644 --- a/src/test/ui/wf/wf-inherent-impl-method-where-clause.stderr +++ b/src/test/ui/wf/wf-inherent-impl-method-where-clause.stderr @@ -9,8 +9,8 @@ LL | fn foo(self) where T: ExtraCopy | help: consider restricting type parameter `U` | -LL | impl Foo { - | ^^^^^^ +LL | impl Foo { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-inherent-impl-where-clause.stderr b/src/test/ui/wf/wf-inherent-impl-where-clause.stderr index 2a44e1cdc716..bf8077ba88f6 100644 --- a/src/test/ui/wf/wf-inherent-impl-where-clause.stderr +++ b/src/test/ui/wf/wf-inherent-impl-where-clause.stderr @@ -9,8 +9,8 @@ LL | impl Foo where T: ExtraCopy | help: consider further restricting type parameter `U` | -LL | impl Foo where T: ExtraCopy, U: Copy - | ^^^^^^^^^ +LL | impl Foo where T: ExtraCopy, U: std::marker::Copy + | ^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-struct-bound.stderr b/src/test/ui/wf/wf-struct-bound.stderr index 948693ac6f87..e85f3591438a 100644 --- a/src/test/ui/wf/wf-struct-bound.stderr +++ b/src/test/ui/wf/wf-struct-bound.stderr @@ -9,8 +9,8 @@ LL | where T: ExtraCopy | help: consider further restricting type parameter `U` | -LL | where T: ExtraCopy, U: Copy - | ^^^^^^^^^ +LL | where T: ExtraCopy, U: std::marker::Copy + | ^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-struct-field.stderr b/src/test/ui/wf/wf-struct-field.stderr index 04e62a7fcb77..62ef6bb60c7a 100644 --- a/src/test/ui/wf/wf-struct-field.stderr +++ b/src/test/ui/wf/wf-struct-field.stderr @@ -9,8 +9,8 @@ LL | data: IsCopy | help: consider restricting type parameter `A` | -LL | struct SomeStruct { - | ^^^^^^ +LL | struct SomeStruct { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-trait-associated-type-bound.stderr b/src/test/ui/wf/wf-trait-associated-type-bound.stderr index 166e3626f094..51adfdb6bd2a 100644 --- a/src/test/ui/wf/wf-trait-associated-type-bound.stderr +++ b/src/test/ui/wf/wf-trait-associated-type-bound.stderr @@ -9,8 +9,8 @@ LL | type Type1: ExtraCopy; | help: consider restricting type parameter `T` | -LL | trait SomeTrait { - | ^^^^^^ +LL | trait SomeTrait { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-trait-bound.stderr b/src/test/ui/wf/wf-trait-bound.stderr index abb97adcfd4c..c9e818f8e7dc 100644 --- a/src/test/ui/wf/wf-trait-bound.stderr +++ b/src/test/ui/wf/wf-trait-bound.stderr @@ -9,8 +9,8 @@ LL | where T: ExtraCopy | help: consider further restricting type parameter `U` | -LL | where T: ExtraCopy, U: Copy - | ^^^^^^^^^ +LL | where T: ExtraCopy, U: std::marker::Copy + | ^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/wf/wf-trait-superbound.stderr b/src/test/ui/wf/wf-trait-superbound.stderr index db337a7c6d0f..692698352717 100644 --- a/src/test/ui/wf/wf-trait-superbound.stderr +++ b/src/test/ui/wf/wf-trait-superbound.stderr @@ -9,8 +9,8 @@ LL | trait SomeTrait: ExtraCopy { | help: consider restricting type parameter `T` | -LL | trait SomeTrait: ExtraCopy { - | ^^^^^^ +LL | trait SomeTrait: ExtraCopy { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/where-clauses/where-clause-constraints-are-local-for-inherent-impl.stderr b/src/test/ui/where-clauses/where-clause-constraints-are-local-for-inherent-impl.stderr index 916c6dc6d53a..356ba347cc36 100644 --- a/src/test/ui/where-clauses/where-clause-constraints-are-local-for-inherent-impl.stderr +++ b/src/test/ui/where-clauses/where-clause-constraints-are-local-for-inherent-impl.stderr @@ -9,8 +9,8 @@ LL | require_copy(self.x); | help: consider restricting type parameter `T` | -LL | impl Foo { - | ^^^^^^ +LL | impl Foo { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/test/ui/where-clauses/where-clause-constraints-are-local-for-trait-impl.stderr b/src/test/ui/where-clauses/where-clause-constraints-are-local-for-trait-impl.stderr index 8814018964aa..d84242cfe12b 100644 --- a/src/test/ui/where-clauses/where-clause-constraints-are-local-for-trait-impl.stderr +++ b/src/test/ui/where-clauses/where-clause-constraints-are-local-for-trait-impl.stderr @@ -9,8 +9,8 @@ LL | require_copy(self.x); | help: consider restricting type parameter `T` | -LL | impl Foo for Bar { - | ^^^^^^ +LL | impl Foo for Bar { + | ^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error diff --git a/src/tools/cargo b/src/tools/cargo index 1e8703890f28..65d57e6f384c 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit 1e8703890f285befb5e32627ad4e0a0454dde1fb +Subproject commit 65d57e6f384c2317f76626eac116f683e2b63665 diff --git a/src/tools/cargotest/main.rs b/src/tools/cargotest/main.rs index 0a6bac48ebba..fc608eaabccf 100644 --- a/src/tools/cargotest/main.rs +++ b/src/tools/cargotest/main.rs @@ -9,6 +9,8 @@ struct Test { sha: &'static str, lock: Option<&'static str>, packages: &'static [&'static str], + features: Option<&'static [&'static str]>, + manifest_path: Option<&'static str>, } const TEST_REPOS: &[Test] = &[ @@ -18,6 +20,8 @@ const TEST_REPOS: &[Test] = &[ sha: "cf056ea5e8052c1feea6141e40ab0306715a2c33", lock: None, packages: &[], + features: None, + manifest_path: None, }, Test { name: "ripgrep", @@ -25,6 +29,8 @@ const TEST_REPOS: &[Test] = &[ sha: "3de31f752729525d85a3d1575ac1978733b3f7e7", lock: None, packages: &[], + features: None, + manifest_path: None, }, Test { name: "tokei", @@ -32,6 +38,8 @@ const TEST_REPOS: &[Test] = &[ sha: "fdf3f8cb279a7aeac0696c87e5d8b0cd946e4f9e", lock: None, packages: &[], + features: None, + manifest_path: None, }, Test { name: "xsv", @@ -39,6 +47,8 @@ const TEST_REPOS: &[Test] = &[ sha: "3de6c04269a7d315f7e9864b9013451cd9580a08", lock: None, packages: &[], + features: None, + manifest_path: None, }, Test { name: "servo", @@ -48,6 +58,23 @@ const TEST_REPOS: &[Test] = &[ // Only test Stylo a.k.a. Quantum CSS, the parts of Servo going into Firefox. // This takes much less time to build than all of Servo and supports stable Rust. packages: &["selectors"], + features: None, + manifest_path: None, + }, + Test { + name: "diesel", + repo: "https://github.com/diesel-rs/diesel", + sha: "91493fe47175076f330ce5fc518f0196c0476f56", + lock: None, + packages: &[], + // Test the embeded sqlite variant of diesel + // This does not require any dependency to be present, + // sqlite will be compiled as part of the build process + features: Some(&["sqlite", "libsqlite3-sys/bundled"]), + // We are only interested in testing diesel itself + // not any other crate present in the diesel workspace + // (This is required to set the feature flags above) + manifest_path: Some("diesel/Cargo.toml"), }, ]; @@ -68,7 +95,7 @@ fn test_repo(cargo: &Path, out_dir: &Path, test: &Test) { if let Some(lockfile) = test.lock { fs::write(&dir.join("Cargo.lock"), lockfile).unwrap(); } - if !run_cargo_test(cargo, &dir, test.packages) { + if !run_cargo_test(cargo, &dir, test.packages, test.features, test.manifest_path) { panic!("tests failed for {}", test.repo); } } @@ -120,12 +147,31 @@ fn clone_repo(test: &Test, out_dir: &Path) -> PathBuf { out_dir } -fn run_cargo_test(cargo_path: &Path, crate_path: &Path, packages: &[&str]) -> bool { +fn run_cargo_test( + cargo_path: &Path, + crate_path: &Path, + packages: &[&str], + features: Option<&[&str]>, + manifest_path: Option<&str>, +) -> bool { let mut command = Command::new(cargo_path); command.arg("test"); + + if let Some(path) = manifest_path { + command.arg(format!("--manifest-path={}", path)); + } + + if let Some(features) = features { + command.arg("--no-default-features"); + for feature in features { + command.arg(format!("--features={}", feature)); + } + } + for name in packages { command.arg("-p").arg(name); } + let status = command // Disable rust-lang/cargo's cross-compile tests .env("CFG_DISABLE_CROSS_TESTS", "1") diff --git a/src/tools/clippy/clippy_lints/src/functions.rs b/src/tools/clippy/clippy_lints/src/functions.rs index 730492fc7e3e..5fe46065348f 100644 --- a/src/tools/clippy/clippy_lints/src/functions.rs +++ b/src/tools/clippy/clippy_lints/src/functions.rs @@ -516,7 +516,7 @@ fn check_needless_must_use( ); }, ); - } else if !attr.is_value_str() && is_must_use_ty(cx, return_ty(cx, item_id)) { + } else if !attr.value_str().is_some() && is_must_use_ty(cx, return_ty(cx, item_id)) { span_lint_and_help( cx, DOUBLE_MUST_USE, diff --git a/src/tools/clippy/clippy_lints/src/loops/never_loop.rs b/src/tools/clippy/clippy_lints/src/loops/never_loop.rs index f63a3761a0d1..01a7627fc7f3 100644 --- a/src/tools/clippy/clippy_lints/src/loops/never_loop.rs +++ b/src/tools/clippy/clippy_lints/src/loops/never_loop.rs @@ -142,12 +142,12 @@ fn never_loop_expr(expr: &Expr<'_>, main_loop_id: HirId) -> NeverLoopResult { .map(|(o, _)| match o { InlineAsmOperand::In { expr, .. } | InlineAsmOperand::InOut { expr, .. } - | InlineAsmOperand::Const { expr } | InlineAsmOperand::Sym { expr } => never_loop_expr(expr, main_loop_id), InlineAsmOperand::Out { expr, .. } => never_loop_expr_all(&mut expr.iter(), main_loop_id), InlineAsmOperand::SplitInOut { in_expr, out_expr, .. } => { never_loop_expr_all(&mut once(in_expr).chain(out_expr.iter()), main_loop_id) }, + InlineAsmOperand::Const { .. } => NeverLoopResult::Otherwise, }) .fold(NeverLoopResult::Otherwise, combine_both), ExprKind::Struct(_, _, None) diff --git a/src/tools/clippy/clippy_lints/src/missing_doc.rs b/src/tools/clippy/clippy_lints/src/missing_doc.rs index ff87828c2e77..21b4983a1af0 100644 --- a/src/tools/clippy/clippy_lints/src/missing_doc.rs +++ b/src/tools/clippy/clippy_lints/src/missing_doc.rs @@ -95,7 +95,7 @@ impl MissingDoc { let has_doc = attrs .iter() - .any(|a| a.is_doc_comment() || a.doc_str().is_some() || a.is_value_str() || Self::has_include(a.meta())); + .any(|a| a.is_doc_comment() || a.doc_str().is_some() || a.value_str().is_some() || Self::has_include(a.meta())); if !has_doc { span_lint( cx, @@ -128,7 +128,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc { fn check_crate(&mut self, cx: &LateContext<'tcx>, krate: &'tcx hir::Crate<'_>) { let attrs = cx.tcx.hir().attrs(hir::CRATE_HIR_ID); - self.check_missing_docs_attrs(cx, attrs, krate.item.span, "the", "crate"); + self.check_missing_docs_attrs(cx, attrs, krate.item.inner, "the", "crate"); } fn check_item(&mut self, cx: &LateContext<'tcx>, it: &'tcx hir::Item<'_>) { diff --git a/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs b/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs index bad3e488bb6d..4c13941f6659 100644 --- a/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs +++ b/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs @@ -44,7 +44,7 @@ fn get_trait_predicates_for_trait_id<'tcx>( for (pred, _) in generics.predicates { if_chain! { if let PredicateKind::Trait(poly_trait_pred, _) = pred.kind().skip_binder(); - let trait_pred = cx.tcx.erase_late_bound_regions(ty::Binder::bind(poly_trait_pred)); + let trait_pred = cx.tcx.erase_late_bound_regions(pred.kind().rebind(poly_trait_pred)); if let Some(trait_def_id) = trait_id; if trait_def_id == trait_pred.trait_ref.def_id; then { @@ -58,12 +58,12 @@ fn get_trait_predicates_for_trait_id<'tcx>( fn get_projection_pred<'tcx>( cx: &LateContext<'tcx>, generics: GenericPredicates<'tcx>, - pred: TraitPredicate<'tcx>, + trait_pred: TraitPredicate<'tcx>, ) -> Option> { generics.predicates.iter().find_map(|(proj_pred, _)| { - if let ty::PredicateKind::Projection(proj_pred) = proj_pred.kind().skip_binder() { - let projection_pred = cx.tcx.erase_late_bound_regions(ty::Binder::bind(proj_pred)); - if projection_pred.projection_ty.substs == pred.trait_ref.substs { + if let ty::PredicateKind::Projection(pred) = proj_pred.kind().skip_binder() { + let projection_pred = cx.tcx.erase_late_bound_regions(proj_pred.kind().rebind(pred)); + if projection_pred.projection_ty.substs == trait_pred.trait_ref.substs { return Some(projection_pred); } } diff --git a/src/tools/clippy/clippy_lints/src/utils/inspector.rs b/src/tools/clippy/clippy_lints/src/utils/inspector.rs index 6fd3c9d7dec2..b3fe66ed4285 100644 --- a/src/tools/clippy/clippy_lints/src/utils/inspector.rs +++ b/src/tools/clippy/clippy_lints/src/utils/inspector.rs @@ -306,7 +306,6 @@ fn print_expr(cx: &LateContext<'_>, expr: &hir::Expr<'_>, indent: usize) { match op { hir::InlineAsmOperand::In { expr, .. } | hir::InlineAsmOperand::InOut { expr, .. } - | hir::InlineAsmOperand::Const { expr } | hir::InlineAsmOperand::Sym { expr } => print_expr(cx, expr, indent + 1), hir::InlineAsmOperand::Out { expr, .. } => { if let Some(expr) = expr { @@ -319,6 +318,10 @@ fn print_expr(cx: &LateContext<'_>, expr: &hir::Expr<'_>, indent: usize) { print_expr(cx, out_expr, indent + 1); } }, + hir::InlineAsmOperand::Const { anon_const } => { + println!("{}anon_const:", ind); + print_expr(cx, &cx.tcx.hir().body(anon_const.body).value, indent + 1); + } } } }, diff --git a/src/tools/clippy/clippy_utils/src/hir_utils.rs b/src/tools/clippy/clippy_utils/src/hir_utils.rs index 618d33545a4e..b30c0b798819 100644 --- a/src/tools/clippy/clippy_utils/src/hir_utils.rs +++ b/src/tools/clippy/clippy_utils/src/hir_utils.rs @@ -663,7 +663,8 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { self.hash_expr(out_expr); } }, - InlineAsmOperand::Const { expr } | InlineAsmOperand::Sym { expr } => self.hash_expr(expr), + InlineAsmOperand::Const { anon_const } => self.hash_body(anon_const.body), + InlineAsmOperand::Sym { expr } => self.hash_expr(expr), } } }, diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index b2655f8d797b..6b235875c203 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -61,10 +61,10 @@ use rustc_hir::def::{CtorKind, CtorOf, DefKind, Res}; use rustc_hir::def_id::{DefId, LOCAL_CRATE}; use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor}; use rustc_hir::{ - def, Arm, BindingAnnotation, Block, Body, Constness, CrateItem, Expr, ExprKind, FieldDef, FnDecl, ForeignItem, - GenericArgs, GenericParam, HirId, Impl, ImplItem, ImplItemKind, Item, ItemKind, LangItem, Lifetime, Local, - MacroDef, MatchSource, Node, Param, Pat, PatKind, Path, PathSegment, QPath, Stmt, TraitItem, TraitItemKind, - TraitRef, TyKind, Variant, Visibility, + def, Arm, BindingAnnotation, Block, Body, Constness, Expr, ExprKind, FieldDef, FnDecl, ForeignItem, GenericArgs, + GenericParam, HirId, Impl, ImplItem, ImplItemKind, Item, ItemKind, LangItem, Lifetime, Local, MacroDef, + MatchSource, Mod, Node, Param, Pat, PatKind, Path, PathSegment, QPath, Stmt, TraitItem, TraitItemKind, TraitRef, + TyKind, Variant, Visibility, }; use rustc_lint::{LateContext, Level, Lint, LintContext}; use rustc_middle::hir::exports::Export; @@ -743,7 +743,7 @@ pub fn get_node_span(node: Node<'_>) -> Option { | Node::Lifetime(Lifetime { span, .. }) | Node::GenericParam(GenericParam { span, .. }) | Node::Visibility(Visibility { span, .. }) - | Node::Crate(CrateItem { span, .. }) => Some(*span), + | Node::Crate(Mod { inner: span, .. }) => Some(*span), Node::Ctor(_) | Node::AnonConst(_) => None, } } diff --git a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs index 1391f7505e27..dac4d93499dc 100644 --- a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs +++ b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs @@ -212,7 +212,7 @@ fn check_statement(tcx: TyCtxt<'tcx>, body: &Body<'tcx>, def_id: DefId, statemen check_rvalue(tcx, body, def_id, rval, span) } - StatementKind::FakeRead(_, place) | + StatementKind::FakeRead(box (_, place)) => check_place(tcx, *place, span, body), // just an assignment StatementKind::SetDiscriminant { place, .. } => check_place(tcx, **place, span, body), diff --git a/src/tools/clippy/tests/ui/crate_level_checks/no_std_main_recursion.rs b/src/tools/clippy/tests/ui/crate_level_checks/no_std_main_recursion.rs index 25b1417be976..be4348e2bb71 100644 --- a/src/tools/clippy/tests/ui/crate_level_checks/no_std_main_recursion.rs +++ b/src/tools/clippy/tests/ui/crate_level_checks/no_std_main_recursion.rs @@ -1,8 +1,8 @@ +// compile-flags: -Clink-arg=-nostartfiles // ignore-macos // ignore-windows -#![feature(lang_items, link_args, start, libc)] -#![link_args = "-nostartfiles"] +#![feature(lang_items, start, libc)] #![no_std] use core::panic::PanicInfo; diff --git a/src/tools/clippy/tests/ui/empty_loop_no_std.rs b/src/tools/clippy/tests/ui/empty_loop_no_std.rs index 4553d3ec505a..235e0fc51799 100644 --- a/src/tools/clippy/tests/ui/empty_loop_no_std.rs +++ b/src/tools/clippy/tests/ui/empty_loop_no_std.rs @@ -1,9 +1,9 @@ +// compile-flags: -Clink-arg=-nostartfiles // ignore-macos // ignore-windows #![warn(clippy::empty_loop)] -#![feature(lang_items, link_args, start, libc)] -#![link_args = "-nostartfiles"] +#![feature(lang_items, start, libc)] #![no_std] use core::panic::PanicInfo; diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs index 99cbcf316a25..b7693a3cb143 100644 --- a/src/tools/compiletest/src/common.rs +++ b/src/tools/compiletest/src/common.rs @@ -376,12 +376,24 @@ pub fn expected_output_path( testpaths.file.with_extension(extension) } -pub const UI_EXTENSIONS: &[&str] = &[UI_STDERR, UI_STDOUT, UI_FIXED, UI_RUN_STDERR, UI_RUN_STDOUT]; +pub const UI_EXTENSIONS: &[&str] = &[ + UI_STDERR, + UI_STDOUT, + UI_FIXED, + UI_RUN_STDERR, + UI_RUN_STDOUT, + UI_STDERR_64, + UI_STDERR_32, + UI_STDERR_16, +]; pub const UI_STDERR: &str = "stderr"; pub const UI_STDOUT: &str = "stdout"; pub const UI_FIXED: &str = "fixed"; pub const UI_RUN_STDERR: &str = "run.stderr"; pub const UI_RUN_STDOUT: &str = "run.stdout"; +pub const UI_STDERR_64: &str = "64bit.stderr"; +pub const UI_STDERR_32: &str = "32bit.stderr"; +pub const UI_STDERR_16: &str = "16bit.stderr"; /// Absolute path to the directory where all output for all tests in the given /// `relative_dir` group should reside. Example: diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index 83ea676e8f4e..531a23d76a27 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -708,8 +708,8 @@ impl Config { self.parse_name_value_directive(line, "aux-crate").map(|r| { let mut parts = r.trim().splitn(2, '='); ( - parts.next().expect("aux-crate name").to_string(), - parts.next().expect("aux-crate value").to_string(), + parts.next().expect("missing aux-crate name (e.g. log=log.rs)").to_string(), + parts.next().expect("missing aux-crate value (e.g. log=log.rs)").to_string(), ) }) } diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs index 1d4b5e1247de..480916018619 100644 --- a/src/tools/compiletest/src/main.rs +++ b/src/tools/compiletest/src/main.rs @@ -909,7 +909,8 @@ fn extract_gdb_version(full_version_line: &str) -> Option { // This particular form is documented in the GNU coding standards: // https://www.gnu.org/prep/standards/html_node/_002d_002dversion.html#g_t_002d_002dversion - let mut splits = full_version_line.rsplit(' '); + let unbracketed_part = full_version_line.split('[').next().unwrap(); + let mut splits = unbracketed_part.trim_end().rsplit(' '); let version_string = splits.next().unwrap(); let mut splits = version_string.split('.'); diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 7aa3d4ab09e4..7c8cd699fe0e 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -1600,7 +1600,7 @@ impl<'test> TestCx<'test> { .args(&self.props.compile_flags); if self.config.mode == RustdocJson { - rustdoc.arg("--output-format").arg("json"); + rustdoc.arg("--output-format").arg("json").arg("-Zunstable-options"); } if let Some(ref linker) = self.config.linker { @@ -1909,8 +1909,7 @@ impl<'test> TestCx<'test> { } else { Command::new(&self.config.rustdoc_path.clone().expect("no rustdoc built yet")) }; - // FIXME Why is -L here? - rustc.arg(input_file); //.arg("-L").arg(&self.config.build_base); + rustc.arg(input_file); // Use a single thread for efficiency and a deterministic error message order rustc.arg("-Zthreads=1"); @@ -3140,8 +3139,14 @@ impl<'test> TestCx<'test> { output_kind: TestOutput, explicit_format: bool, ) -> usize { + let stderr_bits = format!("{}.stderr", get_pointer_width(&self.config.target)); let (stderr_kind, stdout_kind) = match output_kind { - TestOutput::Compile => (UI_STDERR, UI_STDOUT), + TestOutput::Compile => ( + { + if self.props.stderr_per_bitwidth { &stderr_bits } else { UI_STDERR } + }, + UI_STDOUT, + ), TestOutput::Run => (UI_RUN_STDERR, UI_RUN_STDOUT), }; @@ -3181,15 +3186,12 @@ impl<'test> TestCx<'test> { match output_kind { TestOutput::Compile => { if !self.props.dont_check_compiler_stdout { - errors += self.compare_output("stdout", &normalized_stdout, &expected_stdout); + errors += + self.compare_output(stdout_kind, &normalized_stdout, &expected_stdout); } if !self.props.dont_check_compiler_stderr { - let kind = if self.props.stderr_per_bitwidth { - format!("{}bit.stderr", get_pointer_width(&self.config.target)) - } else { - String::from("stderr") - }; - errors += self.compare_output(&kind, &normalized_stderr, &expected_stderr); + errors += + self.compare_output(stderr_kind, &normalized_stderr, &expected_stderr); } } TestOutput::Run => { @@ -3647,6 +3649,8 @@ impl<'test> TestCx<'test> { // Remove test annotations like `//~ ERROR text` from the output, // since they duplicate actual errors and make the output hard to read. + // This mirrors the regex in src/tools/tidy/src/style.rs, please update + // both if either are changed. normalized = Regex::new("\\s*//(\\[.*\\])?~.*").unwrap().replace_all(&normalized, "").into_owned(); diff --git a/src/tools/compiletest/src/tests.rs b/src/tools/compiletest/src/tests.rs index 233f2e648dc9..e6725dba2605 100644 --- a/src/tools/compiletest/src/tests.rs +++ b/src/tools/compiletest/src/tests.rs @@ -39,6 +39,9 @@ fn test_extract_gdb_version() { 7012000: "GNU gdb (GDB) 7.12", 7012000: "GNU gdb (GDB) 7.12.20161027-git", 7012050: "GNU gdb (GDB) 7.12.50.20161027-git", + + 9002000: "GNU gdb (Ubuntu 9.2-0ubuntu1~20.04) 9.2", + 10001000: "GNU gdb (GDB) 10.1 [GDB v10.1 for FreeBSD]", } } diff --git a/src/tools/linkchecker/main.rs b/src/tools/linkchecker/main.rs index f6875e0036f6..c677d04917ea 100644 --- a/src/tools/linkchecker/main.rs +++ b/src/tools/linkchecker/main.rs @@ -14,8 +14,6 @@ //! A few exceptions are allowed as there's known bugs in rustdoc, but this //! should catch the majority of "broken link" cases. -#![cfg_attr(bootstrap, feature(str_split_once))] - use std::collections::hash_map::Entry; use std::collections::{HashMap, HashSet}; use std::env; diff --git a/src/tools/miri b/src/tools/miri index 2cdd1744b896..685ad70647c8 160000 --- a/src/tools/miri +++ b/src/tools/miri @@ -1 +1 @@ -Subproject commit 2cdd1744b896e8129322229f253f95fd7ad491f1 +Subproject commit 685ad70647c867944128f6c6bacf9483995eff71 diff --git a/src/tools/rust-analyzer b/src/tools/rust-analyzer index 858ad554374a..19e09a4a54c7 160000 --- a/src/tools/rust-analyzer +++ b/src/tools/rust-analyzer @@ -1 +1 @@ -Subproject commit 858ad554374a8b1ad67692558a0878391abfdd86 +Subproject commit 19e09a4a54c75312aeaac04577f2d0e067463ab6 diff --git a/src/tools/rust-demangler/Cargo.toml b/src/tools/rust-demangler/Cargo.toml index ac684a3c47e4..b7bc11253191 100644 --- a/src/tools/rust-demangler/Cargo.toml +++ b/src/tools/rust-demangler/Cargo.toml @@ -8,6 +8,10 @@ edition = "2018" regex = "1.0" rustc-demangle = "0.1.17" +[lib] +name = "rust_demangler" +doctest = false + [[bin]] name = "rust-demangler" -path = "main.rs" +test = false diff --git a/src/tools/rust-demangler/README.md b/src/tools/rust-demangler/README.md new file mode 100644 index 000000000000..4e8a689a13a4 --- /dev/null +++ b/src/tools/rust-demangler/README.md @@ -0,0 +1,36 @@ +# rust-demangler + +_Demangles rustc mangled names._ + +`rust-demangler` supports the requirements of the [`llvm-cov show -Xdemangler` +option](https://llvm.org/docs/CommandGuide/llvm-cov.html#cmdoption-llvm-cov-show-xdemangler), +to perform Rust-specific symbol demangling: + +> _The demangler is expected to read a newline-separated list of symbols from +> stdin and write a newline-separated list of the same length to stdout._ + +To use `rust-demangler` with `llvm-cov` for example: + +```shell +$ TARGET="${PWD}/build/x86_64-unknown-linux-gnu" +$ "${TARGET}"/llvm/bin/llvm-cov show \ + --Xdemangler=path/to/rust-demangler \ + --instr-profile=main.profdata ./main --show-line-counts-or-regions +``` + +`rust-demangler` is a Rust "extended tool", used in Rust compiler tests, and +optionally included in Rust distributions that enable coverage profiling. Symbol +demangling is implemented using the +[rustc-demangle](https://crates.io/crates/rustc-demangle) crate. + +_(Note, for Rust developers, the third-party tool +[`rustfilt`](https://crates.io/crates/rustfilt) also supports `llvm-cov` symbol +demangling. `rustfilt` is a more generalized tool that searches any body of +text, using pattern matching, to find and demangle Rust symbols.)_ + +## License + +Rust-demangler is distributed under the terms of both the MIT license and the +Apache License (Version 2.0). + +See [LICENSE-APACHE](/LICENSE-APACHE) and [LICENSE-MIT](/LICENSE-MIT) for details. diff --git a/src/tools/rust-demangler/src/lib.rs b/src/tools/rust-demangler/src/lib.rs new file mode 100644 index 000000000000..1d972229d953 --- /dev/null +++ b/src/tools/rust-demangler/src/lib.rs @@ -0,0 +1,21 @@ +use regex::Regex; +use rustc_demangle::demangle; +use std::str::Lines; + +const REPLACE_COLONS: &str = "::"; + +pub fn create_disambiguator_re() -> Regex { + Regex::new(r"\[[a-f0-9]{5,16}\]::").unwrap() +} + +pub fn demangle_lines(lines: Lines<'_>, strip_crate_disambiguators: Option) -> Vec { + let mut demangled_lines = Vec::new(); + for mangled in lines { + let mut demangled = demangle(mangled).to_string(); + if let Some(re) = &strip_crate_disambiguators { + demangled = re.replace_all(&demangled, REPLACE_COLONS).to_string(); + } + demangled_lines.push(demangled); + } + demangled_lines +} diff --git a/src/tools/rust-demangler/main.rs b/src/tools/rust-demangler/src/main.rs similarity index 76% rename from src/tools/rust-demangler/main.rs rename to src/tools/rust-demangler/src/main.rs index fd031ccb2524..1b5ef5d2442b 100644 --- a/src/tools/rust-demangler/main.rs +++ b/src/tools/rust-demangler/src/main.rs @@ -1,27 +1,5 @@ //! Demangles rustc mangled names. //! -//! This tool uses https://crates.io/crates/rustc-demangle to convert an input buffer of -//! newline-separated mangled names into their demangled translations. -//! -//! This tool can be leveraged by other applications that support third-party demanglers. -//! It takes a list of mangled names (one per line) on standard input, and prints a corresponding -//! list of demangled names. The tool is designed to support other programs that can leverage a -//! third-party demangler, such as `llvm-cov`, via the `-Xdemangler=` option. -//! -//! To use `rust-demangler`, first build the tool with: -//! -//! ```shell -//! $ ./x.py build rust-demangler -//! ``` -//! -//! Then, with `llvm-cov` for example, add the `-Xdemangler=...` option: -//! -//! ```shell -//! $ TARGET="${PWD}/build/x86_64-unknown-linux-gnu" -//! $ "${TARGET}"/llvm/bin/llvm-cov show --Xdemangler="${TARGET}"/stage0-tools-bin/rust-demangler \ -//! --instr-profile=main.profdata ./main --show-line-counts-or-regions -//! ``` -//! //! Note regarding crate disambiguators: //! //! Some demangled symbol paths can include "crate disambiguator" suffixes, represented as a large @@ -57,12 +35,9 @@ //! These disambiguators seem to have more analytical value (for instance, in coverage analysis), so //! they are not removed. -use regex::Regex; -use rustc_demangle::demangle; +use rust_demangler::*; use std::io::{self, Read, Write}; -const REPLACE_COLONS: &str = "::"; - fn main() -> io::Result<()> { // FIXME(richkadel): In Issue #77615 discussed updating the `rustc-demangle` library, to provide // an option to generate demangled names without including crate disambiguators. If that @@ -82,7 +57,7 @@ fn main() -> io::Result<()> { // and more than three leading zeros should be extremely unlikely. Conversely, it should be // sufficient to assume the zero-based indexes for closures and anonymous scopes will never // exceed the value 9999. - let mut strip_crate_disambiguators = Some(Regex::new(r"\[[a-f0-9]{5,16}\]::").unwrap()); + let mut strip_crate_disambiguators = Some(create_disambiguator_re()); let mut args = std::env::args(); let progname = args.next().unwrap(); @@ -115,16 +90,8 @@ fn main() -> io::Result<()> { let mut buffer = String::new(); io::stdin().read_to_string(&mut buffer)?; - let lines = buffer.lines(); - let mut demangled_lines = Vec::new(); - for mangled in lines { - let mut demangled = demangle(mangled).to_string(); - if let Some(re) = &strip_crate_disambiguators { - demangled = re.replace_all(&demangled, REPLACE_COLONS).to_string(); - } - demangled_lines.push(demangled); - } - demangled_lines.push("".to_string()); + let mut demangled_lines = demangle_lines(buffer.lines(), strip_crate_disambiguators); + demangled_lines.push("".to_string()); // ensure a trailing newline io::stdout().write_all(demangled_lines.join("\n").as_bytes())?; Ok(()) } diff --git a/src/tools/rust-demangler/tests/lib.rs b/src/tools/rust-demangler/tests/lib.rs new file mode 100644 index 000000000000..5a67b4232253 --- /dev/null +++ b/src/tools/rust-demangler/tests/lib.rs @@ -0,0 +1,84 @@ +use rust_demangler::*; + +const MANGLED_INPUT: &str = r" +_RNvC6_123foo3bar +_RNqCs4fqI2P2rA04_11utf8_identsu30____7hkackfecea1cbdathfdh9hlq6y +_RNCNCNgCs6DXkGYLi8lr_2cc5spawn00B5_ +_RNCINkXs25_NgCsbmNqQUJIY6D_4core5sliceINyB9_4IterhENuNgNoBb_4iter8iterator8Iterator9rpositionNCNgNpB9_6memchr7memrchrs_0E0Bb_ +_RINbNbCskIICzLVDPPb_5alloc5alloc8box_freeDINbNiB4_5boxed5FnBoxuEp6OutputuEL_ECs1iopQbuBiw2_3std +INtC8arrayvec8ArrayVechKj7b_E +_RMCs4fqI2P2rA04_13const_genericINtB0_8UnsignedKhb_E +_RMCs4fqI2P2rA04_13const_genericINtB0_6SignedKs98_E +_RMCs4fqI2P2rA04_13const_genericINtB0_6SignedKanb_E +_RMCs4fqI2P2rA04_13const_genericINtB0_4BoolKb0_E +_RMCs4fqI2P2rA04_13const_genericINtB0_4BoolKb1_E +_RMCs4fqI2P2rA04_13const_genericINtB0_4CharKc76_E +_RMCs4fqI2P2rA04_13const_genericINtB0_4CharKca_E +_RMCs4fqI2P2rA04_13const_genericINtB0_4CharKc2202_E +_RNvNvMCs4fqI2P2rA04_13const_genericINtB4_3FooKpE3foo3FOO +_RC3foo.llvm.9D1C9369 +_RC3foo.llvm.9D1C9369@@16 +_RNvC9backtrace3foo.llvm.A5310EB9 +_RNvNtNtNtNtCs92dm3009vxr_4rand4rngs7adapter9reseeding4fork23FORK_HANDLER_REGISTERED.0.0 +"; + +const DEMANGLED_OUTPUT: &str = r" +123foo[0]::bar +utf8_idents[317d481089b8c8fe]::საჭმელად_გემრიელი_სადილი +cc[4d6468d6c9fd4bb3]::spawn::{closure#0}::{closure#0} + as core[846817f741e54dfd]::iter::iterator::Iterator>::rposition::::{closure#0} +alloc[f15a878b47eb696b]::alloc::box_free::> +INtC8arrayvec8ArrayVechKj7b_E +> +> +> +> +> +> +> +> +>::foo::FOO +foo[0] +foo[0] +backtrace[0]::foo +rand[693ea8e72247470f]::rngs::adapter::reseeding::fork::FORK_HANDLER_REGISTERED.0.0 +"; + +const DEMANGLED_OUTPUT_NO_CRATE_DISAMBIGUATORS: &str = r" +123foo[0]::bar +utf8_idents::საჭმელად_გემრიელი_სადილი +cc::spawn::{closure#0}::{closure#0} + as core::iter::iterator::Iterator>::rposition::::{closure#0} +alloc::alloc::box_free::> +INtC8arrayvec8ArrayVechKj7b_E +> +> +> +> +> +> +> +> +>::foo::FOO +foo[0] +foo[0] +backtrace[0]::foo +rand::rngs::adapter::reseeding::fork::FORK_HANDLER_REGISTERED.0.0 +"; + +#[test] +fn test_demangle_lines() { + let demangled_lines = demangle_lines(MANGLED_INPUT.lines(), None); + for (expected, actual) in DEMANGLED_OUTPUT.lines().zip(demangled_lines) { + assert_eq!(expected, actual); + } +} + +#[test] +fn test_demangle_lines_no_crate_disambiguators() { + let demangled_lines = demangle_lines(MANGLED_INPUT.lines(), Some(create_disambiguator_re())); + for (expected, actual) in DEMANGLED_OUTPUT_NO_CRATE_DISAMBIGUATORS.lines().zip(demangled_lines) + { + assert_eq!(expected, actual); + } +} diff --git a/src/tools/rustdoc-js/tester.js b/src/tools/rustdoc-js/tester.js index c21277de3351..a551a97bda55 100644 --- a/src/tools/rustdoc-js/tester.js +++ b/src/tools/rustdoc-js/tester.js @@ -264,7 +264,8 @@ function loadMainJsAndIndex(mainJs, searchIndex, storageJs, crate) { // execQuery last parameter is built in buildIndex. // buildIndex requires the hashmap from search-index. var functionsToLoad = ["buildHrefAndPath", "pathSplitter", "levenshtein", "validateResult", - "handleAliases", "getQuery", "buildIndex", "execQuery", "execSearch"]; + "handleAliases", "getQuery", "buildIndex", "execQuery", "execSearch", + "removeEmptyStringsFromArray"]; ALIASES = {}; finalJS += 'window = { "currentCrate": "' + crate + '", rootPath: "../" };\n'; diff --git a/src/tools/rustdoc/Cargo.toml b/src/tools/rustdoc/Cargo.toml index 36aa5916da73..d0c047ad6df1 100644 --- a/src/tools/rustdoc/Cargo.toml +++ b/src/tools/rustdoc/Cargo.toml @@ -13,3 +13,6 @@ path = "main.rs" [dependencies] rustdoc = { path = "../../librustdoc" } + +[features] +jemalloc = ['rustdoc/jemalloc'] diff --git a/src/tools/tidy/Cargo.toml b/src/tools/tidy/Cargo.toml index 777d7be8fdc4..58c32993cb6e 100644 --- a/src/tools/tidy/Cargo.toml +++ b/src/tools/tidy/Cargo.toml @@ -10,6 +10,7 @@ cargo_metadata = "0.11" regex = "1" lazy_static = "1" walkdir = "2" +crossbeam-utils = "0.8.0" [[bin]] name = "rust-tidy" diff --git a/src/tools/tidy/src/bins.rs b/src/tools/tidy/src/bins.rs index 62cfa85577f9..1d5ec5c31c67 100644 --- a/src/tools/tidy/src/bins.rs +++ b/src/tools/tidy/src/bins.rs @@ -5,91 +5,126 @@ //! huge amount of bloat to the Git history, so it's good to just ensure we //! don't do that again. -use std::path::Path; +pub use os_impl::*; // All files are executable on Windows, so just check on Unix. #[cfg(windows)] -pub fn check(_path: &Path, _output: &Path, _bad: &mut bool) {} +mod os_impl { + use std::path::Path; + + pub fn check_filesystem_support(_sources: &[&Path], _output: &Path) -> bool { + return false; + } + + pub fn check(_path: &Path, _bad: &mut bool) {} +} #[cfg(unix)] -pub fn check(path: &Path, output: &Path, bad: &mut bool) { +mod os_impl { use std::fs; use std::os::unix::prelude::*; + use std::path::Path; use std::process::{Command, Stdio}; + enum FilesystemSupport { + Supported, + Unsupported, + ReadOnlyFs, + } + + use FilesystemSupport::*; + fn is_executable(path: &Path) -> std::io::Result { Ok(path.metadata()?.mode() & 0o111 != 0) } - // We want to avoid false positives on filesystems that do not support the - // executable bit. This occurs on some versions of Window's linux subsystem, - // for example. - // - // We try to create the temporary file first in the src directory, which is - // the preferred location as it's most likely to be on the same filesystem, - // and then in the output (`build`) directory if that fails. Sometimes we - // see the source directory mounted as read-only which means we can't - // readily create a file there to test. - // - // See #36706 and #74753 for context. - let mut temp_path = path.join("tidy-test-file"); - match fs::File::create(&temp_path).or_else(|_| { - temp_path = output.join("tidy-test-file"); - fs::File::create(&temp_path) - }) { - Ok(file) => { - let exec = is_executable(&temp_path).unwrap_or(false); - std::mem::drop(file); - std::fs::remove_file(&temp_path).expect("Deleted temp file"); - if exec { - // If the file is executable, then we assume that this - // filesystem does not track executability, so skip this check. - return; - } + pub fn check_filesystem_support(sources: &[&Path], output: &Path) -> bool { + // We want to avoid false positives on filesystems that do not support the + // executable bit. This occurs on some versions of Window's linux subsystem, + // for example. + // + // We try to create the temporary file first in the src directory, which is + // the preferred location as it's most likely to be on the same filesystem, + // and then in the output (`build`) directory if that fails. Sometimes we + // see the source directory mounted as read-only which means we can't + // readily create a file there to test. + // + // See #36706 and #74753 for context. + + fn check_dir(dir: &Path) -> FilesystemSupport { + let path = dir.join("tidy-test-file"); + match fs::File::create(&path) { + Ok(file) => { + let exec = is_executable(&path).unwrap_or(false); + std::mem::drop(file); + std::fs::remove_file(&path).expect("Deleted temp file"); + // If the file is executable, then we assume that this + // filesystem does not track executability, so skip this check. + return if exec { Unsupported } else { Supported }; + } + Err(e) => { + // If the directory is read-only or we otherwise don't have rights, + // just don't run this check. + // + // 30 is the "Read-only filesystem" code at least in one CI + // environment. + if e.raw_os_error() == Some(30) { + eprintln!("tidy: Skipping binary file check, read-only filesystem"); + return ReadOnlyFs; + } + + panic!("unable to create temporary file `{:?}`: {:?}", path, e); + } + }; } - Err(e) => { - // If the directory is read-only or we otherwise don't have rights, - // just don't run this check. - // - // 30 is the "Read-only filesystem" code at least in one CI - // environment. - if e.raw_os_error() == Some(30) { - eprintln!("tidy: Skipping binary file check, read-only filesystem"); - return; - } - panic!("unable to create temporary file `{:?}`: {:?}", temp_path, e); + for &source_dir in sources { + match check_dir(source_dir) { + Unsupported => return false, + ReadOnlyFs => { + return match check_dir(output) { + Supported => true, + _ => false, + }; + } + _ => {} + } } + + return true; } - super::walk_no_read( - path, - &mut |path| super::filter_dirs(path) || path.ends_with("src/etc"), - &mut |entry| { - let file = entry.path(); - let filename = file.file_name().unwrap().to_string_lossy(); - let extensions = [".py", ".sh"]; - if extensions.iter().any(|e| filename.ends_with(e)) { - return; - } + #[cfg(unix)] + pub fn check(path: &Path, bad: &mut bool) { + crate::walk_no_read( + path, + &mut |path| crate::filter_dirs(path) || path.ends_with("src/etc"), + &mut |entry| { + let file = entry.path(); + let filename = file.file_name().unwrap().to_string_lossy(); + let extensions = [".py", ".sh"]; + if extensions.iter().any(|e| filename.ends_with(e)) { + return; + } - if t!(is_executable(&file), file) { - let rel_path = file.strip_prefix(path).unwrap(); - let git_friendly_path = rel_path.to_str().unwrap().replace("\\", "/"); - let output = Command::new("git") - .arg("ls-files") - .arg(&git_friendly_path) - .current_dir(path) - .stderr(Stdio::null()) - .output() - .unwrap_or_else(|e| { - panic!("could not run git ls-files: {}", e); - }); - let path_bytes = rel_path.as_os_str().as_bytes(); - if output.status.success() && output.stdout.starts_with(path_bytes) { - tidy_error!(bad, "binary checked into source: {}", file.display()); + if t!(is_executable(&file), file) { + let rel_path = file.strip_prefix(path).unwrap(); + let git_friendly_path = rel_path.to_str().unwrap().replace("\\", "/"); + let output = Command::new("git") + .arg("ls-files") + .arg(&git_friendly_path) + .current_dir(path) + .stderr(Stdio::null()) + .output() + .unwrap_or_else(|e| { + panic!("could not run git ls-files: {}", e); + }); + let path_bytes = rel_path.as_os_str().as_bytes(); + if output.status.success() && output.stdout.starts_with(path_bytes) { + tidy_error!(bad, "binary checked into source: {}", file.display()); + } } - } - }, - ) + }, + ) + } } diff --git a/src/tools/tidy/src/error_codes_check.rs b/src/tools/tidy/src/error_codes_check.rs index a7199fdfce66..55f824b63f2e 100644 --- a/src/tools/tidy/src/error_codes_check.rs +++ b/src/tools/tidy/src/error_codes_check.rs @@ -48,6 +48,8 @@ fn check_error_code_explanation( } fn check_if_error_code_is_test_in_explanation(f: &str, err_code: &str) -> bool { + let mut ignore_found = false; + for line in f.lines() { let s = line.trim(); if s.starts_with("#### Note: this error code is no longer emitted by the compiler") { @@ -56,13 +58,13 @@ fn check_if_error_code_is_test_in_explanation(f: &str, err_code: &str) -> bool { if s.starts_with("```") { if s.contains("compile_fail") && s.contains(err_code) { return true; - } else if s.contains('(') { + } else if s.contains("ignore") { // It's very likely that we can't actually make it fail compilation... - return true; + ignore_found = true; } } } - false + ignore_found } macro_rules! some_or_continue { @@ -164,18 +166,32 @@ fn extract_error_codes_from_tests(f: &str, error_codes: &mut HashMap = HashMap::new(); - super::walk(path, &mut |path| super::filter_dirs(path), &mut |entry, contents| { - let file_name = entry.file_name(); - if file_name == "error_codes.rs" { - extract_error_codes(contents, &mut error_codes, entry.path(), &mut errors); - } else if entry.path().extension() == Some(OsStr::new("stderr")) { - extract_error_codes_from_tests(contents, &mut error_codes); - } - }); + for path in paths { + super::walk(path, &mut |path| super::filter_dirs(path), &mut |entry, contents| { + let file_name = entry.file_name(); + if file_name == "error_codes.rs" { + extract_error_codes(contents, &mut error_codes, entry.path(), &mut errors); + found_explanations += 1; + } else if entry.path().extension() == Some(OsStr::new("stderr")) { + extract_error_codes_from_tests(contents, &mut error_codes); + found_tests += 1; + } + }); + } + if found_explanations == 0 { + eprintln!("No error code explanation was tested!"); + *bad = true; + } + if found_tests == 0 { + eprintln!("No error code was found in compilation errors!"); + *bad = true; + } if errors.is_empty() { println!("Found {} error codes", error_codes.len()); diff --git a/src/tools/tidy/src/lib.rs b/src/tools/tidy/src/lib.rs index 11d36751f67b..fcb27dae9ea9 100644 --- a/src/tools/tidy/src/lib.rs +++ b/src/tools/tidy/src/lib.rs @@ -3,8 +3,6 @@ //! This library contains the tidy lints and exposes it //! to be used by tools. -#![cfg_attr(bootstrap, feature(str_split_once))] - use std::fs::File; use std::io::Read; use walkdir::{DirEntry, WalkDir}; @@ -55,6 +53,7 @@ pub mod unstable_book; fn filter_dirs(path: &Path) -> bool { let skip = [ + "tidy-test-file", "compiler/rustc_codegen_cranelift", "src/llvm-project", "library/backtrace", diff --git a/src/tools/tidy/src/main.rs b/src/tools/tidy/src/main.rs index 2ac96e404acb..10356a2fdc5f 100644 --- a/src/tools/tidy/src/main.rs +++ b/src/tools/tidy/src/main.rs @@ -6,15 +6,23 @@ use tidy::*; +use crossbeam_utils::thread::{scope, ScopedJoinHandle}; +use std::collections::VecDeque; use std::env; +use std::num::NonZeroUsize; use std::path::PathBuf; use std::process; +use std::str::FromStr; +use std::sync::atomic::{AtomicBool, Ordering}; fn main() { let root_path: PathBuf = env::args_os().nth(1).expect("need path to root of repo").into(); let cargo: PathBuf = env::args_os().nth(2).expect("need path to cargo").into(); let output_directory: PathBuf = env::args_os().nth(3).expect("need path to output directory").into(); + let concurrency: NonZeroUsize = + FromStr::from_str(&env::args().nth(4).expect("need concurrency")) + .expect("concurrency must be a number"); let src_path = root_path.join("src"); let library_path = root_path.join("library"); @@ -22,45 +30,84 @@ fn main() { let args: Vec = env::args().skip(1).collect(); - let mut bad = false; let verbose = args.iter().any(|s| *s == "--verbose"); - // Checks over tests. - debug_artifacts::check(&src_path, &mut bad); - ui_tests::check(&src_path, &mut bad); - - // Checks that only make sense for the compiler. - errors::check(&compiler_path, &mut bad); - error_codes_check::check(&src_path, &mut bad); - - // Checks that only make sense for the std libs. - pal::check(&library_path, &mut bad); - - // Checks that need to be done for both the compiler and std libraries. - unit_tests::check(&src_path, &mut bad); - unit_tests::check(&compiler_path, &mut bad); - unit_tests::check(&library_path, &mut bad); - - bins::check(&src_path, &output_directory, &mut bad); - bins::check(&compiler_path, &output_directory, &mut bad); - bins::check(&library_path, &output_directory, &mut bad); - - style::check(&src_path, &mut bad); - style::check(&compiler_path, &mut bad); - style::check(&library_path, &mut bad); - - edition::check(&src_path, &mut bad); - edition::check(&compiler_path, &mut bad); - edition::check(&library_path, &mut bad); - - let collected = features::check(&src_path, &compiler_path, &library_path, &mut bad, verbose); - unstable_book::check(&src_path, collected, &mut bad); - - // Checks that are done on the cargo workspace. - deps::check(&root_path, &cargo, &mut bad); - extdeps::check(&root_path, &mut bad); - - if bad { + let bad = std::sync::Arc::new(AtomicBool::new(false)); + + scope(|s| { + let mut handles: VecDeque> = + VecDeque::with_capacity(concurrency.get()); + + macro_rules! check { + ($p:ident $(, $args:expr)* ) => { + while handles.len() >= concurrency.get() { + handles.pop_front().unwrap().join().unwrap(); + } + + let handle = s.spawn(|_| { + let mut flag = false; + $p::check($($args),* , &mut flag); + if (flag) { + bad.store(true, Ordering::Relaxed); + } + }); + handles.push_back(handle); + } + } + + // Checks that are done on the cargo workspace. + check!(deps, &root_path, &cargo); + check!(extdeps, &root_path); + + // Checks over tests. + check!(debug_artifacts, &src_path); + check!(ui_tests, &src_path); + + // Checks that only make sense for the compiler. + check!(errors, &compiler_path); + check!(error_codes_check, &[&src_path, &compiler_path]); + + // Checks that only make sense for the std libs. + check!(pal, &library_path); + + // Checks that need to be done for both the compiler and std libraries. + check!(unit_tests, &src_path); + check!(unit_tests, &compiler_path); + check!(unit_tests, &library_path); + + if bins::check_filesystem_support( + &[&src_path, &compiler_path, &library_path], + &output_directory, + ) { + check!(bins, &src_path); + check!(bins, &compiler_path); + check!(bins, &library_path); + } + + check!(style, &src_path); + check!(style, &compiler_path); + check!(style, &library_path); + + check!(edition, &src_path); + check!(edition, &compiler_path); + check!(edition, &library_path); + + let collected = { + while handles.len() >= concurrency.get() { + handles.pop_front().unwrap().join().unwrap(); + } + let mut flag = false; + let r = features::check(&src_path, &compiler_path, &library_path, &mut flag, verbose); + if flag { + bad.store(true, Ordering::Relaxed); + } + r + }; + check!(unstable_book, &src_path, collected); + }) + .unwrap(); + + if bad.load(Ordering::Relaxed) { eprintln!("some tidy checks failed"); process::exit(1); } diff --git a/src/tools/tidy/src/pal.rs b/src/tools/tidy/src/pal.rs index 1dba6b73b936..144529d8641e 100644 --- a/src/tools/tidy/src/pal.rs +++ b/src/tools/tidy/src/pal.rs @@ -40,35 +40,20 @@ const EXCEPTION_PATHS: &[&str] = &[ "library/panic_abort", "library/panic_unwind", "library/unwind", - // black_box implementation is LLVM-version specific and it uses - // target_os to tell targets with different LLVM-versions apart - // (e.g. `wasm32-unknown-emscripten` vs `wasm32-unknown-unknown`): - "library/core/src/hint.rs", "library/std/src/sys/", // Platform-specific code for std lives here. // This has the trailing slash so that sys_common is not excepted. "library/std/src/os", // Platform-specific public interfaces "library/rtstartup", // Not sure what to do about this. magic stuff for mingw - // temporary exceptions - "library/std/src/lib.rs", - "library/std/src/path.rs", - "library/std/src/f32.rs", - "library/std/src/f64.rs", // Integration test for platform-specific run-time feature detection: "library/std/tests/run-time-detect.rs", "library/std/src/net/test.rs", "library/std/src/net/addr", "library/std/src/net/udp", - "library/std/src/sys_common/mod.rs", - "library/std/src/sys_common/net.rs", - "library/std/src/sys_common/backtrace.rs", "library/std/src/sys_common/remutex.rs", "library/std/src/sync/mutex.rs", "library/std/src/sync/rwlock.rs", - // panic_unwind shims - "library/std/src/panicking.rs", "library/term", // Not sure how to make this crate portable, but test crate needs it. "library/test", // Probably should defer to unstable `std::sys` APIs. - "library/std/src/sync/mpsc", // some tests are only run on non-emscripten // std testing crates, okay for now at least "library/core/tests", "library/alloc/tests/lib.rs", @@ -79,13 +64,6 @@ const EXCEPTION_PATHS: &[&str] = &[ // we must use `#[cfg(windows)]` to conditionally compile the // correct `VaList` structure for windows. "library/core/src/ffi.rs", - // non-std crates - "src/test", - "src/tools", - "src/librustc", - "src/librustdoc", - "src/librustc_ast", - "src/bootstrap", ]; pub fn check(path: &Path, bad: &mut bool) { diff --git a/src/tools/tidy/src/style.rs b/src/tools/tidy/src/style.rs index 75c43343023f..e99dd4532804 100644 --- a/src/tools/tidy/src/style.rs +++ b/src/tools/tidy/src/style.rs @@ -16,6 +16,7 @@ //! A number of these checks can be opted-out of with various directives of the form: //! `// ignore-tidy-CHECK-NAME`. +use regex::Regex; use std::path::Path; /// Error code markdown is restricted to 80 columns because they can be @@ -41,6 +42,19 @@ C++ code used llvm_unreachable, which triggers undefined behavior when executed when assertions are disabled. Use llvm::report_fatal_error for increased robustness."; +const ANNOTATIONS_TO_IGNORE: &[&str] = &[ + "// @!has", + "// @has", + "// @matches", + "// CHECK", + "// EMIT_MIR", + "// compile-flags", + "// error-pattern", + "// gdb", + "// lldb", + "// normalize-stderr-test", +]; + /// Parser states for `line_is_url`. #[derive(Clone, Copy, PartialEq)] #[allow(non_camel_case_types)] @@ -92,12 +106,20 @@ fn line_is_url(is_error_code: bool, columns: usize, line: &str) -> bool { state == EXP_END } +/// Returns `true` if `line` can be ignored. This is the case when it contains +/// an annotation that is explicitly ignored. +fn should_ignore(line: &str) -> bool { + // Matches test annotations like `//~ ERROR text`. + // This mirrors the regex in src/tools/compiletest/src/runtest.rs, please + // update both if either are changed. + let re = Regex::new("\\s*//(\\[.*\\])?~.*").unwrap(); + re.is_match(line) || ANNOTATIONS_TO_IGNORE.iter().any(|a| line.contains(a)) +} + /// Returns `true` if `line` is allowed to be longer than the normal limit. -/// Currently there is only one exception, for long URLs, but more -/// may be added in the future. fn long_line_is_ok(extension: &str, is_error_code: bool, max_columns: usize, line: &str) -> bool { if extension != "md" || is_error_code { - if line_is_url(is_error_code, max_columns, line) { + if line_is_url(is_error_code, max_columns, line) || should_ignore(line) { return true; } } else if extension == "md" { @@ -357,9 +379,11 @@ pub fn check(path: &Path, bad: &mut bool) { if let Directive::Ignore(false) = skip_tab { tidy_error!(bad, "{}: ignoring tab characters unnecessarily", file.display()); } - if let Directive::Ignore(false) = skip_line_length { - tidy_error!(bad, "{}: ignoring line length unnecessarily", file.display()); - } + // FIXME: Temporarily disabled to simplify landing the ignore-rules for the line + // length check (https://github.com/rust-lang/rust/issues/77548): + //if let Directive::Ignore(false) = skip_line_length { + // tidy_error!(bad, "{}: ignoring line length unnecessarily", file.display()); + //} if let Directive::Ignore(false) = skip_file_length { tidy_error!(bad, "{}: ignoring file length unnecessarily", file.display()); }