https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115723
--- Comment #3 from edison <edison_chan_gz at hotmail dot com> --- Created attachment 58547 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58547&action=edit the output file which build with -march=x86-64-v4 -v -Ofast
