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

[via cfe-commits]

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@@ -1847,15 +1913,42 @@ static bool hasNewExtendedAlignment(Sema &S, QualType AllocType) {
              S.getASTContext().getTargetInfo().getNewAlign();
 }
 
+static bool CheckDeleteOperator(Sema &S, SourceLocation StartLoc,
+                                SourceRange Range, bool Diagnose,
+                                CXXRecordDecl *NamingClass, DeclAccessPair Decl,
+                                FunctionDecl *Operator) {
+  if (S.isTypeAwareOperatorNewOrDelete(Operator)) {
+    QualType SelectedTypeIdentityParameter =
+        Operator->getParamDecl(0)->getType();
+    if (S.RequireCompleteType(StartLoc, SelectedTypeIdentityParameter,
+                              diag::err_incomplete_type))
+      return true;
+  }
+
+  // FIXME: DiagnoseUseOfDecl?
+  if (Operator->isDeleted()) {
+    if (Diagnose) {
+      StringLiteral *Msg = Operator->getDeletedMessage();
+      S.Diag(StartLoc, diag::err_deleted_function_use)
+          << (Msg != nullptr) << (Msg ? Msg->getString() : StringRef());
+      S.NoteDeletedFunction(Operator);
+    }
+    return true;
+  }
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cor3ntin wrote:

Unrelated to your patch but we should really move that diagnostic in its own function - that code is duplicated

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