[Bug c++/64335] decltype and access of a private member type

[ville.voutilainen at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64335

--- Comment #1 from Ville Voutilainen <ville.voutilainen at gmail dot com> ---
Pardon that, the latter example contains remnants of other experiments. Here's
a simplified version, (not that it really should matter :) )

class foo {
    class bar {};
};

int main()
{
    decltype (foo::bar) y;
}

This is rejected properly.