https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70849
--- Comment #1 from Yuri Rumyantsev <ysrumyan at gmail dot com> --- Created attachment 38365 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38365&action=edit test-case to reproduce Must be compiled with -O3 -mavx2 options