[Bug c++/123955] ‘Reference to void’ error for C++20 partial specialization of class template with void

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123955

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>verified till Clang 21.1.0

clang trunk rejects it so maybe not a GCC bug ...