[PATCH] D60872: Add new warning knob for unknown attribute namespaces

[David Blaikie via Phabricator via cfe-commits]

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

Seems pretty good to me - if you'd like to wait for more/other feedback from @rsmith or the like, that's OK too.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D60872/new/

https://reviews.llvm.org/D60872