http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54172
--- Comment #14 from Benjamin Kosnik <bkoz at gcc dot gnu.org> 2012-09-10 05:08:15 UTC --- Author: bkoz Date: Mon Sep 10 05:08:07 2012 New Revision: 191125 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191125 Log: 2012-09-09 Thiago Macieira <thiago.macie...@intel.com> PR libstdc++/54172 * libsupc++/guard.cc (__cxa_guard_acquire): Exit the loop earlier if we detect that another thread has had success. Don't compare_exchange from a finished state back to a waiting state. Comment. Modified: branches/gcc-4_7-branch/libstdc++-v3/ChangeLog branches/gcc-4_7-branch/libstdc++-v3/libsupc++/guard.cc --- Comment #15 from Benjamin Kosnik <bkoz at gcc dot gnu.org> 2012-09-10 05:08:51 UTC --- In 4.7-branch
