[PATCH] D25645: [ADT] Add CachedHashString.

[Rafael Ávila de Espíndola via llvm-commits]

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

LGTM.

I am not c++ expert, but this is probably good enough for post commit review.


https://reviews.llvm.org/D25645