https://github.com/Thibault-Monnier created
https://github.com/llvm/llvm-project/pull/174246
This fixes the clang warning when compiling with CIR enabled:
```cpp
llvm-project/clang/lib/CIR/CodeGen/CIRGenTypes.cpp:713:19: warning: variable
'ed' set but not used [-Wunused-but-set-variable]
713 | if (const auto *ed = dyn_cast<EnumDecl>(td)) {
| ^
```
>From 3d2450831d2d5dff06abee64bd550cf31c1bad38 Mon Sep 17 00:00:00 2001
From: Thibault-Monnier <[email protected]>
Date: Fri, 2 Jan 2026 23:06:14 +0100
Subject: [PATCH] Fix unused variable warning
---
clang/lib/CIR/CodeGen/CIRGenTypes.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/clang/lib/CIR/CodeGen/CIRGenTypes.cpp
b/clang/lib/CIR/CodeGen/CIRGenTypes.cpp
index 5264357448271..1321246d5179a 100644
--- a/clang/lib/CIR/CodeGen/CIRGenTypes.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenTypes.cpp
@@ -710,7 +710,7 @@ void CIRGenTypes::updateCompletedType(const TagDecl *td) {
// If this is an enum being completed, then we flush all non-struct types
// from the cache. This allows function types and other things that may be
// derived from the enum to be recomputed.
- if (const auto *ed = dyn_cast<EnumDecl>(td)) {
+ if (isa<EnumDecl>(td)) {
// Classic codegen clears the type cache if it contains an entry for this
// enum type that doesn't use i32 as the underlying type, but I can't find
// a test case that meets that condition. C++ doesn't allow forward
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