https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56631
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|UNCONFIRMED |RESOLVED Component|target |tree-optimization --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Fixed in GCC 7 by an extra copy loop header.