https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38542
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- clang and even ICC accept this code now.
pinskia at gcc dot gnu.org via Gcc-bugs Sat, 18 Sep 2021 22:54:05 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38542
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- clang and even ICC accept this code now.