https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78972
--- Comment #3 from Andrew M. <liquidsun at gmail dot com> --- Created attachment 40443 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40443&action=edit generated code for gcc-6.3 example.c -O1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78972
--- Comment #3 from Andrew M. <liquidsun at gmail dot com> --- Created attachment 40443 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40443&action=edit generated code for gcc-6.3 example.c -O1