1 // PR c++/56291 2 // { dg-do compile { target c++11 } } 3 4 class Base 5 { 6 public: Base()7 constexpr Base() : v(1) {}; 8 int v; 9 }; 10 11 class Derived : public Base 12 { 13 public: Derived()14 constexpr Derived() : Base() {}; 15 virtual void function(); 16 }; 17 18 Derived d; 19