[Bug c++/106633] Hidden visibility on forward declarations impacts visibility of default-visibility class methods

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106633

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I don't think this is a gcc bug but rather gcc 12 fixed a bug