dgodfrey206

#include <new>

struct Parent { };
struct Child : Parent { };

struct Tag { };

int main()
{
    const Child c;

dgodfrey206

struct Parent { virtual ~Parent(); };
struct Child : private virtual Parent { };

int main()
{
    Child aa;
    Parent& pp = (Parent&)(aa); // OK ( [expr.cast]/p4.6 ), chooses static_cast
    
    Child&  aa = (Child&)(pp)   // FAILS, chooses static_cast, but that would fail
                                // because Parent is a virtual base ( [expr.static.cast]/p2 )