[Bug c++/82894] [9/10/11/12 Regression] Inherited member functions do not create ambiguity

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82894

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Even one without templates:
struct S {
    char f();
};
struct wrapper : private S {
    int f(int = 0);
        using S::f;
};
void g(void)
{
    wrapper t;
    t.f();
}
And yes it was rejected in GCC 6.4.0.