1 // P0704R1
2 // { dg-do compile { target c++11 } }
3 // { dg-options "" }
4 
5 struct S {
refS6   void ref() & {}
crefS7   void cref() const& {}
vrefS8   void vref() volatile & {}
cvrefS9   void cvref() const volatile & {}
10 };
11 
12 void
foo()13 foo ()
14 {
15   S{}.ref();		// { dg-error "argument discards qualifiers" }
16   S{}.cref();
17   S{}.vref();		// { dg-error "argument discards qualifiers" }
18   S{}.cvref();		// { dg-error "argument discards qualifiers" }
19 
20   (S{}.*&S::ref)();	// { dg-error "pointer-to-member-function type 'void \\(S::\\*\\)\\(\\) &' requires an lvalue" }
21   (S{}.*&S::cref)();
22   (S{}.*&S::vref)();	// { dg-error "pointer-to-member-function type 'void \\(S::\\*\\)\\(\\) volatile &' requires an lvalue" }
23   (S{}.*&S::cvref)();	// { dg-error "pointer-to-member-function type 'void \\(S::\\*\\)\\(\\) const volatile &' requires an lvalue" }
24 }
25