[PATCH] D47460: [Frontend] Honor UserFilesAreVolatile flag getting file buffer in ASTUnit

[Ivan Donchevskii via Phabricator via cfe-commits]

yvvan added a comment.

In https://reviews.llvm.org/D47460#1118694, @ilya-biryukov wrote:

> Is it plausible to add a unit-test for this?


i think I can add a unit-test for it since we have the 'getBufferKind' method in MemoryBuffer.


https://reviews.llvm.org/D47460