// Test that we resolve this case as mandated by the standard, but also // warn about it. We choose op char* not because it is a member of B -- // the standard says that all conversion ops are treated as coming from // the type of the argument -- but because it is non-const. struct A { operator const char *() const { return ""; } }; struct B : public A { operator char *() { return 0; } }; int main() { B b; if ((const char *)b != 0) // WARNING - surprising overload resolution return 1; if ((const char *)(const B)b == 0) return 2; if ((const char *)(const B &)b == 0) return 3; }