1 // { dg-options -std=c++0x } 2 3 struct A 4 { 5 int i; 6 mutable int j; 7 }; 8 9 constexpr A a = { 0, 1 }; 10 constexpr A b = a; // { dg-error "mutable" } 11 constexpr int i = a.i; 12 constexpr int j = a.j; // { dg-error "mutable" } 13