https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79784
--- Comment #7 from Chen Baozi <cbz at baozis dot org> --- Created attachment 40867 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40867&action=edit synchronization test case
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79784
--- Comment #7 from Chen Baozi <cbz at baozis dot org> --- Created attachment 40867 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40867&action=edit synchronization test case