https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103564
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Hmm, this is not really concept related, because GCC/ICC/MSVC all accept the
following too:
struct base { };
template<class T>
void f(void)
{
typename T::base a;
};
int main(void)
{
f<base>();
}
--- CUT ----
While clang rejects it.
Maybe there is defect report in this area.
