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

Ivan Donchevskii via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri Nov 30 01:31:47 PST 2018


yvvan added a comment.

No success with unmapping. Buffers are hold by PCMCache in Preprocessor (and the same one in ASTReader) and if I clean them then SourceManger crashed sooner or later on some call that gets data from external files.
So far I have no steps to reproduce the lock on user file so I don't currently know if I try something else.


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https://reviews.llvm.org/D54995





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