https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102378
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- GCC warns only at instantiation time.
pinskia at gcc dot gnu.org via Gcc-bugs Thu, 16 Sep 2021 14:24:55 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102378
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- GCC warns only at instantiation time.