https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111764
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #1) > Note r11-5965-g04bff1bbfc1 just exposed the issue, you can reproduce the > issue before that with `-fno-vector-cost-model` added and it worked with > that option in GCC 9.5.0 but was broken in GCC 10.1.0. Sorry I mean `-fno-vect-cost-model`.