[clang] Clang / SemaHLSL: Fix unused variable in release build (PR #124398)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Christoph Grüninger (gruenich)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/124398.diff


1 Files Affected:

- (modified) clang/lib/Sema/SemaHLSL.cpp (+1-1) 


``````````diff
diff --git a/clang/lib/Sema/SemaHLSL.cpp b/clang/lib/Sema/SemaHLSL.cpp
index a7033cb54886a7..7ac9acd8314b76 100644
--- a/clang/lib/Sema/SemaHLSL.cpp
+++ b/clang/lib/Sema/SemaHLSL.cpp
@@ -423,7 +423,7 @@ static CXXRecordDecl *createHostLayoutStruct(Sema &S,
   LS->startDefinition();
 
   // copy base struct, create HLSL Buffer compatible version if needed
-  if (unsigned NumBases = StructDecl->getNumBases()) {
+  if ([[maybe_unused]] unsigned NumBases = StructDecl->getNumBases()) {
     assert(NumBases == 1 && "HLSL supports only one base type");
     CXXBaseSpecifier Base = *StructDecl->bases_begin();
     CXXRecordDecl *BaseDecl = Base.getType()->getAsCXXRecordDecl();

``````````

</details>


https://github.com/llvm/llvm-project/pull/124398