r199875 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Sun Jun  9 23:54:07 2013
New Revision: 199875

URL: http://gcc.gnu.org/viewcvs?rev=199875&root=gcc&view=rev
Log:
	* include/std/mutex (call_once): Remove parentheses to fix error in
	c++1y and gnu++1y mode.
	* testsuite/30_threads/mutex/try_lock/2.cc: Call try_lock() in new
	thread to avoid undefined behaviour.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/mutex
    trunk/libstdc++-v3/testsuite/30_threads/mutex/try_lock/2.cc