https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99215
--- Comment #12 from Iain Sandoe <iains at gcc dot gnu.org> --- also : https://gcc.gnu.org/pipermail/gcc-cvs/2021-September/352947.html https://gcc.gnu.org/pipermail/gcc-cvs/2021-September/352948.html https://gcc.gnu.org/pipermail/gcc-cvs/2021-September/352949.html