[PATCH] D50534: [libc++] Fix handling of negated character classes in regex

[Tim Shen via Phabricator via cfe-commits]

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

That looks more correct to me, thanks! Although I'm still puzzled by the empty check at all, it's clearly an improvement.


Repository:
  rCXX libc++

https://reviews.llvm.org/D50534