[PATCH] D135634: [clang][modules] Serialize VFS overlay paths into PCMs

[Ben Langmuir via Phabricator via cfe-commits]

benlangmuir added a subscriber: bnbarham.
benlangmuir added a comment.

I think we should deduplicate the vfs overlays if the same ivfsoverlay is specified in both the pcm and the command-line.

@bnbarham any concern about overlay vs chaining behaviour here? I remember you looking at that a while ago.


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  https://reviews.llvm.org/D135634/new/

https://reviews.llvm.org/D135634