https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69297
--- Comment #1 from Yuri Rumyantsev <ysrumyan at gmail dot com> --- Created attachment 37356 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37356&action=edit test-case to reproduce TO reproduce compile with -Ofast -march=core-avx2 options.