[PATCH] D85450: Support the standards-based dates for __has_c_attribute

[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.

I'm accepting these changes on my own authority as code owner; if there are issues, I'll deal with them post-commit.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D85450/new/

https://reviews.llvm.org/D85450