[clang] counter var3 (PR #162291)

[Helena Kotas via cfe-commits]

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@@ -3815,19 +3860,35 @@ bool SemaHLSL::initGlobalResourceDecl(VarDecl *VD) {
   CXXMethodDecl *CreateMethod = nullptr;
   llvm::SmallVector<Expr *> Args;
 
+  bool HasCounter = hasCounterHandle(ResourceDecl);
+  std::string CreateMethodName;
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hekota wrote:

```suggestion
  const char *CreateMethodName;
```
Using `const char *` will prevent allocation and copying of the string.

https://github.com/llvm/llvm-project/pull/162291