[Bug c++/39906] Accepted invalid member template specialization in derived class

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39906

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Even more shocking this works on all compilers:
int t1;
Derived::Kind<char>::type &t = t1;
Base::Kind<char>::type &t2 = t1;