[clang] [RFC] Initial implementation of P2719 (PR #113510)

[via cfe-commits]

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@@ -7256,6 +7257,71 @@ void Sema::CheckCompletedCXXClass(Scope *S, CXXRecordDecl *Record) {
     else if (Record->hasAttr<CUDADeviceBuiltinTextureTypeAttr>())
       checkCUDADeviceBuiltinTextureClassTemplate(*this, Record);
   }
+
+  if (getLangOpts().TypeAwareAllocators) {
+    llvm::SmallVector<const FunctionDecl *, 2> TypeAwareNewDecls;
+    llvm::SmallVector<const FunctionDecl *, 2> TypeAwareDeleteDecls;
+    llvm::SmallVector<const FunctionDecl *, 2> TypeAwareArrayNewDecls;
+    llvm::SmallVector<const FunctionDecl *, 2> TypeAwareArrayDeleteDecls;
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cor3ntin wrote:

I think something like `SmallDenseMap<OverloadedOperatorKind , 
                                                                       llvm::SmallVector<const FunctionDecl *, 2>, 4>` could this code

https://github.com/llvm/llvm-project/pull/113510