1 // P0704R1
2 // { dg-do compile { target c++11 } }
3
4 struct S {
refS5 void ref() & {}
crefS6 void cref() const& {}
vrefS7 void vref() volatile & {}
cvrefS8 void cvref() const volatile & {}
9 };
10
11 void
foo()12 foo ()
13 {
14 S{}.ref(); // { dg-error "argument discards qualifiers" }
15 S{}.cref();
16 S{}.vref(); // { dg-error "argument discards qualifiers" }
17 S{}.cvref(); // { dg-error "argument discards qualifiers" }
18
19 (S{}.*&S::ref)(); // { dg-error "pointer-to-member-function type 'void \\(S::\\*\\)\\(\\) &' requires an lvalue" }
20 (S{}.*&S::cref)(); // { dg-error "pointer-to-member-function type 'void \\(S::\\*\\)\\(\\) const &' requires an lvalue" "" { target c++17_down } }
21 (S{}.*&S::vref)(); // { dg-error "pointer-to-member-function type 'void \\(S::\\*\\)\\(\\) volatile &' requires an lvalue" }
22 (S{}.*&S::cvref)(); // { dg-error "pointer-to-member-function type 'void \\(S::\\*\\)\\(\\) const volatile &' requires an lvalue" }
23 }
24