http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334
--- Comment #20 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-21 14:10:19 UTC --- There would be if we had ADD_RESTRICT or something similar. But we don't right now, so supposedly it would be better to avoid such IPA-CP changes if it removes restrict for now.