1 // { dg-do compile } 2 // { dg-options "-Wuninitialized" } 3 4 class X { 5 int & flag;// { dg-warning "non-static reference 'int& X::flag' in class without a constructor" } 6 public: f()7 void f(){ flag++ ; } 8 }; 9 10 class Y { 11 const int var;// { dg-warning "non-static const member 'const int Y::var' in class without a constructor" } 12 public: g()13 int g(){ return 2*var; } 14 }; 15