http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59215
--- Comment #23 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Tue Mar 11 19:41:07 2014 New Revision: 208495 URL: http://gcc.gnu.org/viewcvs?rev=208495&root=gcc&view=rev Log: 2014-03-11 Jonathan Wakely <jwak...@redhat.com> Backport from mainline. 2014-01-27 Jonathan Wakely <jwak...@redhat.com> PR libstdc++/59215 * include/bits/shared_ptr_base.h (_Sp_counted_base<_S_atomic>::_M_add_ref_lock()): Use relaxed atomic load. Modified: branches/gcc-4_8-branch/libstdc++-v3/ChangeLog branches/gcc-4_8-branch/libstdc++-v3/include/bits/shared_ptr_base.h