[PATCH] D117312: [clang][lex] NFC: Simplify calls to `LookupFile`

[Alex Hoppen via Phabricator via cfe-commits]

ahoppen accepted this revision.
ahoppen 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/D117312/new/

https://reviews.llvm.org/D117312