https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78116
--- Comment #3 from Yuri Rumyantsev <ysrumyan at gmail dot com> --- Created attachment 39910 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39910&action=edit another test-case Must be compiled with "-Ofast -fopenmp -funroll-loops -march=knl"