[PATCH] D121423: [VFS] OverlayFileSystem should consistently use the last-added FS first

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

dexonsmith added a comment.

In D121423#3376212 <https://reviews.llvm.org/D121423#3376212>, @dexonsmith wrote:

> This seems like a great thing to do. I have some comments

[Forgot to finish this thought]

I meant to say that I don't think the current approach is going to work quite correctly; comments inline :).


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