[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 
What do you think about the global settable bool in MemoryBuffer in place of the ifdef from https://reviews.llvm.org/D35200 ? In this case the client on Windows can set it and you're safe that any MemoryBuffer call never mmaps.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D54995/new/

https://reviews.llvm.org/D54995