[PATCH] D41080: Don't trigger -Wuser-defined-literals for system headers

[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.

LGTM (wait for a day or so for @rsmith to respond in case he disagrees).


Repository:
  rC Clang

https://reviews.llvm.org/D41080