// { dg-options "-std=c++0x" } #define SA(X) static_assert (X, #X) struct A { int i; constexpr A(int _i) { i = _i; } // { dg-error "empty body|uninitialized member" } }; template struct B { T t; constexpr B(T _t): t(_t) { } }; B b(1); // { dg-message "not declared .constexpr" } SA(b.t==1); // { dg-error "non-constant condition|'b'" } constexpr B b2(1); SA(b2.t==1); template constexpr T f(T a, T b) { typedef T myT; return a + b; } SA(f(1,2)==3);