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

[Aaron Ballman via cfe-commits]

================
@@ -9688,6 +9688,18 @@ def err_operator_delete_param_type : Error<
 def err_destroying_operator_delete_not_usual : Error<
   "destroying operator delete can have only an optional size and optional "
   "alignment parameter">;
+def err_type_aware_destroying_operator_delete : Error<
+  "type aware destroying delete is not permitted">;
+def err_unsupported_type_aware_allocator : Error<
+  "type aware allocation operators are disabled">;
+def err_no_matching_type_aware_cleanup_deallocator_mismatch : Error<
+  "type aware %0 requires matching %1 in %2">;
+def err_type_aware_operator_found : Note<
+  "type aware %0 found in %1">;
+def warn_mismatching_type_aware_cleanup_deallocator : Warning<
+  "mismatching type aware allocation operators for constructor cleanup">, InGroup<TypeAwareAllocatorMismatch>;
----------------
AaronBallman wrote:

```suggestion
  "mismatched type aware allocation operators for constructor cleanup">,
  InGroup<TypeAwareAllocatorMismatch>;
```

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