[Bug libstdc++/54172] [4.7 Regression] __cxa_guard_acquire thread-safety issue

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54172

--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-09-11 
15:23:01 UTC ---
Author: jakub
Date: Tue Sep 11 15:22:54 2012
New Revision: 191190

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191190
Log:
    PR libstdc++/54172
    * libsupc++/guard.cc (__cxa_guard_acquire): Fix up the last
    argument of the first __atomic_compare_exchange_n.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/libsupc++/guard.cc

--- Comment #17 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-09-11 
15:24:12 UTC ---
Author: jakub
Date: Tue Sep 11 15:24:06 2012
New Revision: 191191

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191191
Log:
    PR libstdc++/54172
    * libsupc++/guard.cc (__cxa_guard_acquire): Fix up the last
    argument of the first __atomic_compare_exchange_n.

Modified:
    branches/gcc-4_7-branch/libstdc++-v3/ChangeLog
    branches/gcc-4_7-branch/libstdc++-v3/libsupc++/guard.cc