http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54971
--- Comment #15 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-10-29 15:25:36 UTC --- The intermediate copies should be DSE-able, as shown when the #c14 testcases are changed to have a resp. x on all RHSs.
