http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53270
--- Comment #30 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-06-14 22:20:56 UTC --- Author: redi Date: Thu Jun 14 22:20:52 2012 New Revision: 188637 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188637 Log: PR libstdc++/53270 * include/ext/concurrence.h (__mutex, __recursive_mutex, __cond): Use NSDMI in C++11 mode. * include/ext/rope (_Refcount_Base): Likewise. Destroy mutex in destructor when initialized by function. Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/include/ext/concurrence.h trunk/libstdc++-v3/include/ext/rope