1 // { dg-do compile { target c++11 } }
3 template<bool, class T = void>
7 struct enable_if<true, T>
15 static constexpr bool value = true;
20 template <typename T, typename enable_if<is_true<T>::value>::type*& = enabler>
27 A& operator=( A<U>&& )
38 a_i = a_d; // { dg-error "cannot bind" }