[clang] [win][clang] Align scalar deleting destructors with MSABI (PR #139566)

[Tom Honermann via cfe-commits]

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@@ -2886,6 +2887,16 @@ class CXXDestructorDecl : public CXXMethodDecl {
     return getCanonicalDecl()->OperatorDelete;
   }
 
+  const FunctionDecl *getOperatorGlobalDelete() const {
+    return getCanonicalDecl()->OperatorGlobalDelete;
+  }
+
+  void setOperatorGlobalDelete(FunctionDecl *OD) {
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tahonermann wrote:

I don't think `isUsableAsGlobalAllocationFunctionInConstantEvaluation()` is quite right. But it looks like `isReplaceableGlobalAllocationFunction()` might be (along with a check that the function is a delete operator as opposed to a new operator).

https://github.com/llvm/llvm-project/pull/139566