https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65950
--- Comment #1 from Yuri Rumyantsev <ysrumyan at gmail dot com> --- Created attachment 35432 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35432&action=edit test-case to reproduce Must be compiled with -Ofast and -fopenmp options.