[PATCH] D124715: Add ThreadPriority::Low, and use QoS class Utility on Mac

[Sam McCall via Phabricator via cfe-commits]

sammccall added a comment.

Looks great! I'm happy to land it, will do so on Tuesday unless anyone has further comments.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D124715/new/

https://reviews.llvm.org/D124715