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

[via cfe-commits]

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@@ -3849,7 +4119,15 @@ Sema::ActOnCXXDelete(SourceLocation StartLoc, bool UseGlobal,
     // delete. This is only necessary if we selected a destroying operator
     // delete that we are going to call (non-virtually); converting to void*
     // is trivial and left to AST consumers to handle.
-    QualType ParamType = OperatorDelete->getParamDecl(0)->getType();
+    unsigned PointeeIndex = 0;
+    if (OperatorDelete->isTypeAwareOperatorNewOrDelete()) {
+      QualType TypeIdentity = OperatorDelete->getParamDecl(0)->getType();
+      if (RequireCompleteType(StartLoc, TypeIdentity,
+                              diag::err_incomplete_type))
+        return ExprError();
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cor3ntin wrote:

Maybe. As a follow up?

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