[PATCH] D47460: Treat files as volatile by default

[Ivan Donchevskii via Phabricator via cfe-commits]

yvvan added a comment.

The precise path which leads here is yet unclear for me (it requires much more time to research) but changing this specific default value to true fixes main file from being memory mapped and therefore being blocked (on Windows)
I assume it comes from FileManager::getBufferForFile(StringRef Filename) but not sure about prior events causing it.

Usually the wrong behavior can be encountered via reparsing the file.


https://reviews.llvm.org/D47460