http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34949
--- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-28 14:09:01 UTC --- Created attachment 29746 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29746 gcc49-pr34949-2.patch Another needed patch, without which DSE wouldn't really delete the unneeded stores.