[PATCH] D123447: [Clang] Fix unknown type attributes diagnosed twice with [[]] spelling

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman accepted this revision.
aaron.ballman added a comment.
This revision is now accepted and ready to land.

Thank you for the fix! Can you add a release note for it as well?

LGTM aside from a minor nit with some comment wording and a testing suggestion.



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Comment at: clang/test/SemaCXX/warn-once-on-unknown-attr.cpp:1
+// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
+void foo() {
----------------
Can you also add this RUN line?

`// RUN: %clang_cc1 -fsyntax-only -verify -std=c2x -x c %s`

Then we're verifying that we didn't do anything different for C.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D123447/new/

https://reviews.llvm.org/D123447