stage2 LLVM: Panic when lowering DebugInfo for a pointer to a generic function #12043
Description
Zig Version
0.10.0-dev.2873+0c78ece1c
Steps to Reproduce
Possibly related to #12025. Does not reproduce if you add --strip
fn foo(_: anytype) void { }
test {
const x = &foo;
_ = x;
}Expected Behavior
Test should compile and pass.
Actual Behavior
thread 17368 panic: reached unreachable code
/home/topolarity/repos/zig/src/type.zig:2522:32: 0x30cef6c in type.Type.hasRuntimeBitsAdvanced (zig)
.generic_poison => unreachable,
^
/home/topolarity/repos/zig/src/type.zig:2654:38: 0x2ea40ed in type.Type.hasRuntimeBitsIgnoreComptime (zig)
return hasRuntimeBitsAdvanced(ty, true, null) catch unreachable;
^
/home/topolarity/repos/zig/src/codegen/llvm.zig:9057:45: 0x349f249 in codegen.llvm.ParamTypeIterator.nextInner (zig)
if (!ty.hasRuntimeBitsIgnoreComptime()) {
^
/home/topolarity/repos/zig/src/codegen/llvm.zig:9040:25: 0x32c6156 in codegen.llvm.ParamTypeIterator.next (zig)
return nextInner(it, ty);
^
/home/topolarity/repos/zig/src/codegen/llvm.zig:2794:23: 0x30f6228 in codegen.llvm.DeclGen.lowerTypeFn (zig)
while (it.next()) |lowering| switch (lowering) {
^
/home/topolarity/repos/zig/src/codegen/llvm.zig:2754:38: 0x30f1b97 in codegen.llvm.DeclGen.lowerType (zig)
.Fn => return lowerTypeFn(dg, t),
^
/home/topolarity/repos/zig/src/codegen/llvm.zig:2264:41: 0x30e741b in codegen.llvm.DeclGen.resolveLlvmFunction (zig)
const fn_type = try dg.lowerType(zig_fn_type);
^
/home/topolarity/repos/zig/src/codegen/llvm.zig:3748:41: 0x30f7980 in codegen.llvm.DeclGen.lowerDeclRefValue (zig)
try self.resolveLlvmFunction(decl_index)
^
/home/topolarity/repos/zig/src/codegen/llvm.zig:2994:54: 0x30ecb5d in codegen.llvm.DeclGen.lowerValue (zig)
.decl_ref => return lowerDeclRefValue(dg, tv, tv.val.castTag(.decl_ref).?.data),
^
/home/topolarity/repos/zig/src/codegen/llvm.zig:3952:48: 0x36aaa01 in codegen.llvm.FuncGen.resolveInst (zig)
const llvm_val = try self.dg.lowerValue(.{ .ty = ty, .val = val });
^
/home/topolarity/repos/zig/src/codegen/llvm.zig:5370:45: 0x34c9169 in codegen.llvm.FuncGen.airDbgVarVal (zig)
const operand = try self.resolveInst(pl_op.operand);
^
/home/topolarity/repos/zig/src/codegen/llvm.zig:4167:54: 0x349648b in codegen.llvm.FuncGen.genBody (zig)
.dbg_var_val => try self.airDbgVarVal(inst),
^
/home/topolarity/repos/zig/src/codegen/llvm.zig:986:19: 0x348f50e in codegen.llvm.Object.updateFunc (zig)
fg.genBody(air.getMainBody()) catch |err| switch (err) {
^
/home/topolarity/repos/zig/src/link/Elf.zig:2371:74: 0x326e187 in link.Elf.updateFunc (zig)
if (self.llvm_object) |llvm_object| return llvm_object.updateFunc(module, func, air, liveness);
^
/home/topolarity/repos/zig/src/link.zig:505:77: 0x309ffbd in link.File.updateFunc (zig)
.elf => return @fieldParentPtr(Elf, "base", base).updateFunc(module, func, air, liveness),
^
/home/topolarity/repos/zig/src/Module.zig:3853:41: 0x30806b5 in Module.ensureFuncBodyAnalyzed (zig)
mod.comp.bin_file.updateFunc(mod, func, air, liveness) catch |err| switch (err) {
^
/home/topolarity/repos/zig/src/Compilation.zig:2937:42: 0x2dfdaaa in Compilation.processOneJob (zig)
module.ensureFuncBodyAnalyzed(func) catch |err| switch (err) {
^
/home/topolarity/repos/zig/src/Compilation.zig:2869:30: 0x2dea5fd in Compilation.performAllTheWork (zig)
try processOneJob(comp, work_item);
^
/home/topolarity/repos/zig/src/Compilation.zig:2218:31: 0x2de2c82 in Compilation.update (zig)
try comp.performAllTheWork(main_progress_node);
^
/home/topolarity/repos/zig/src/main.zig:3245:20: 0x2d4e23f in updateModule (zig)
try comp.update();
^
/home/topolarity/repos/zig/src/main.zig:2934:17: 0x2d163ba in buildOutputType (zig)
updateModule(gpa, comp, hook) catch |err| switch (err) {
^
/home/topolarity/repos/zig/src/main.zig:225:31: 0x2cface6 in mainArgs (zig)
return buildOutputType(gpa, arena, args, .zig_test);
^
/home/topolarity/repos/zig/src/main.zig:174:20: 0x2cf9d34 in main (zig)
return mainArgs(gpa, arena, args);
^
/home/topolarity/repos/zig/lib/std/start.zig:581:37: 0x321f887 in std.start.callMain (zig)
const result = root.main() catch |err| {
^
/home/topolarity/repos/zig/lib/std/start.zig:515:12: 0x2cfc787 in std.start.callMainWithArgs (zig)
return @call(.{ .modifier = .always_inline }, callMain, .{});
^
/home/topolarity/repos/zig/lib/std/start.zig:480:12: 0x2cfc532 in std.start.main (zig)
return @call(.{ .modifier = .always_inline }, callMainWithArgs, .{ @intCast(usize, c_argc), c_argv, envp });
^
???:?:?: 0x7f3e604c57fc in ??? (???)
[1] 17368 IOT instruction ../zig/stage2/bin/zig test test.zig