1 // { dg-do compile { target c++11 } } 2 3 struct A { int i; }; BB4 struct B: A { constexpr B(): A{} {} }; B2B25 struct B2: A { constexpr B2(): A{1} {} }; 6 7 struct C { protected: int i; }; DD8 struct D: C { constexpr D(): C{} {} }; 9