https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112607
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- That is not a valid specialization since it doesn't depend on a program-defined type.
redi at gcc dot gnu.org via Gcc-bugs Sat, 18 Nov 2023 10:09:27 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112607
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- That is not a valid specialization since it doesn't depend on a program-defined type.