1 // An explicitly defaulted function can have a ref-qualifier. 2 3 // { dg-require-effective-target c++11 } 4 5 struct A { 6 A& operator=(const A&) & = default; 7 }; 8 9 template<class T> 10 struct B { 11 B& operator=(const B&) & = default; 12 }; 13 14 template<class T> f()15void f() 16 { 17 B<T> b; 18 b = B<T>(); 19 B<T>() = b; // { dg-error "" } 20 } 21 main()22int main() 23 { 24 A a; 25 a = A(); 26 A() = a; // { dg-error "" } 27 28 f<int>(); 29 } 30