[PATCH] D100428: [clang][FileManager] Support empty file name in getVirtualFileRef for serialized diagnostics

[Duncan P. N. Exon Smith via Phabricator via cfe-commits]

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

Can you add a comment to the code explaining why the filename could be empty? With that, LGTM.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D100428/new/

https://reviews.llvm.org/D100428