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

[Ivan Donchevskii via Phabricator via cfe-commits]

yvvan added a comment.

@ilya-biryukov

According to https://stackoverflow.com/a/7414798 (if it's true) we can't prevent locks.


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https://reviews.llvm.org/D54995