[PATCH] D69575: Improve module.pcm lock file performance on machines with high core counts

[Ladd Van Tol via Phabricator via llvm-commits]

Ladd added a comment.

I don't have commit access -- please commit for me if it looks good in revised form.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69575/new/

https://reviews.llvm.org/D69575