https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100007
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I don't think GCC handles any struct/union Parameter expansion correctly.
pinskia at gcc dot gnu.org via Gcc-bugs Thu, 12 Aug 2021 17:25:23 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100007
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I don't think GCC handles any struct/union Parameter expansion correctly.