Ben Langmuir ab86fbe425 Make FileEntry::getName() valid across calls to FileManager::getFile() ...

Because we may change the name of a FileEntry inside getFile, the name
returned by FileEntry::getName() could be destroyed.  This was causing a
use-after-free when searching the HeaderFileInfo on-disk hashtable for a
module or pch.

llvm-svn: 217385

2014-09-08 16:15:54 +00:00

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