https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95568
--- Comment #5 from Johel Ernesto Guerrero Peña <johelegp at gmail dot com> ---
(In reply to Marek Polacek from comment #2)
> The problem seems to be not that we're in a require-clause but that we're in
> a template, the following is also rejected:
>
> template<class T> struct X { T x; };
> template<class T> void g () { X{0}; }
Then this may be related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95434.
