[PATCH] D136019: [clang][lex] Avoid `DirectoryLookup` copies

[Juergen Ributzka via Phabricator via cfe-commits]

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

LGTM


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136019/new/

https://reviews.llvm.org/D136019