https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128341
--- Comment #1 from Yongqiang Tian <yqtian668 at gmail dot com> --- Created attachment 66060 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=66060&action=edit patch if it looks good to you, I am happy to submit this patch after full bootstrap
