[Bug libstdc++/54172] [4.7/4.8 Regression] __cxa_guard_acquire thread-safety issue

[redi at gcc dot gnu.org]

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

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-08-30 
09:56:44 UTC ---
This is just the usual submission process, documented at
http://gcc.gnu.org/contribute.html#patches