[PATCH] D48981: Add caching when looking up coroutine_traits

[Brian Gesiak via Phabricator via cfe-commits]

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

Yup, LGTM! I'll land this now.


Repository:
  rC Clang

https://reviews.llvm.org/D48981