https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72850
--- Comment #4 from Yuri Rumyantsev <ysrumyan at gmail dot com> --- Created attachment 39093 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39093&action=edit test-case to reproduce It is safficient use -Ofast option to compile on x86 machine.
