[PATCH] D55085: Avoid emitting redundant or unusable directories in DIFile metadata entries

[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 OK to me


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55085/new/

https://reviews.llvm.org/D55085