From 359f060175a99e73d576c08aa9f6140a13df0f4a Mon Sep 17 00:00:00 2001
From: Marijn Schouten <mhkbst@gmail.com>
Date: Sun, 4 Jan 2026 17:06:39 +0000
Subject: [PATCH] relate.rs: tiny cleanup: eliminate temp vars

---
 compiler/rustc_type_ir/src/relate.rs | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/compiler/rustc_type_ir/src/relate.rs b/compiler/rustc_type_ir/src/relate.rs
index 4954ebc51cfce..9e14bf6b60ad5 100644
--- a/compiler/rustc_type_ir/src/relate.rs
+++ b/compiler/rustc_type_ir/src/relate.rs
@@ -155,11 +155,10 @@ impl<I: Interner> Relate<I> for ty::FnSig<I> {
         let cx = relation.cx();
 
         if a.c_variadic != b.c_variadic {
-            return Err(TypeError::VariadicMismatch({
-                let a = a.c_variadic;
-                let b = b.c_variadic;
-                ExpectedFound::new(a, b)
-            }));
+            return Err(TypeError::VariadicMismatch(ExpectedFound::new(
+                a.c_variadic,
+                b.c_variadic,
+            )));
         }
 
         if a.safety != b.safety {