Douglas Gregor 0591f19c8b <rdar://problem/13551789> Fix yet another race in unique_file. ...

If the directory that will contain the unique file doesn't exist when
we tried to create the file, but another process creates it before we
get a chance to try creating it, we would bail out rather than try to
create the unique file.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178908 91177308-0d34-0410-b5e6-96231b3b80d8

2013-04-05 20:48:36 +00:00

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