[PATCH] D54995: [MemoryBuffer] By default assume that all files are volatile to prevent unintended file locks

[Roman Lebedev via Phabricator via cfe-commits]

lebedev.ri added a comment.

Passing-by thought, feel free to ignore: this seems to so far only affect windows only?
So the fix shouldn't probably pessimize all other arches? (and maybe even non-clangd)


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  https://reviews.llvm.org/D54995/new/

https://reviews.llvm.org/D54995