Ilya Biryukov b88de41636 Fixed a race condition in PrecompiledPreamble.
Summary:
Two PrecompiledPreambles, used in parallel on separate threads,
could be writing preamble to the same temporary file.

Reviewers: bkramer, krasimir, klimek

Reviewed By: klimek

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D36529

llvm-svn: 310618
2017-08-10 16:10:40 +00:00
2017-05-25 19:33:16 +00:00
2017-08-10 15:54:27 +00:00
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