[Bug c++/124275] GCC rejects trivially copying a non-constexpr class object containing nullptr_t in constant initialization

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124275

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jiang An from comment #0)
> Per https://eel.is/c++draft/expr.const ,
> > - an lvalue-to-rvalue conversion unless it is applied to
> >   - a glvalue of type cv std​::​nullptr_t,

Which was added by https://cplusplus.github.io/CWG/issues/2907.html .