1 // PR c++/70844 2 // { dg-options -Wuseless-cast } 3 // { dg-do compile { target c++11 } } 4 5 struct base { 6 base (int const &); 7 }; 8 9 struct derived : public base { 10 using base::base; 11 }; 12 13 derived d(0); 14