https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96069
--- Comment #6 from Yichao Yu <yyc1992 at gmail dot com> --- https://gcc.gnu.org/pipermail/gcc-patches/2020-July/549411.html and https://gcc.gnu.org/pipermail/gcc-patches/2020-July/549413.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96069
--- Comment #6 from Yichao Yu <yyc1992 at gmail dot com> --- https://gcc.gnu.org/pipermail/gcc-patches/2020-July/549411.html and https://gcc.gnu.org/pipermail/gcc-patches/2020-July/549413.html