Eric Fiselier 793f59e767 LWG2442: call_once() shouldn't DECAY_COPY(). Patch from K-Ballo. ...

This patch fixes LWG issue 2422 by removing the DECAY_COPY from call once.
The review can be found here: http://reviews.llvm.org/D10191

llvm-svn: 239654

2015-06-13 02:23:00 +00:00

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thread.once.callonce

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thread.once.onceflag

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nothing_to_do.pass.cpp

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