[PATCH] D60108: [os_log] Mark os_log_helper `nounwind`

[Jonas Devlieghere via Phabricator via cfe-commits]

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

LGTM


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D60108/new/

https://reviews.llvm.org/D60108