[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.

"could we figure out the exact cause of the issue?"

I'm pretty sure we can. Currently the issue is mentioned in our bugreports (https://bugreports.qt.io/secure/attachment/78582/clang-locks.png) and i plan to reproduce it and track the exact issue.
And this review was not meant to proceed immediately but rather state the intention and get some feedback because I still don't know answers to the questions 1 and 2 (did somebody else investigate that?)


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

https://reviews.llvm.org/D54995