https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80680
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |10.1.0 Severity|normal |enhancement --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- So GCC 10+ can optimize this correctly.