--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp2a/ptrmem1a.C	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,24 @@
+// P0704R1
+// { dg-do compile { target c++11 } }
+// { dg-options "" }
+
+struct S {
+  void ref() & {}
+  void cref() const& {}
+  void vref() volatile & {}
+  void cvref() const volatile & {}
+};
+
+void
+foo ()
+{
+  S{}.ref();		// { dg-error "argument discards qualifiers" }
+  S{}.cref();
+  S{}.vref();		// { dg-error "argument discards qualifiers" }
+  S{}.cvref();		// { dg-error "argument discards qualifiers" }
+
+  (S{}.*&S::ref)();	// { dg-error "pointer-to-member-function type 'void \\(S::\\*\\)\\(\\) &' requires an lvalue" }
+  (S{}.*&S::cref)();
+  (S{}.*&S::vref)();	// { dg-error "pointer-to-member-function type 'void \\(S::\\*\\)\\(\\) volatile &' requires an lvalue" }
+  (S{}.*&S::cvref)();	// { dg-error "pointer-to-member-function type 'void \\(S::\\*\\)\\(\\) const volatile &' requires an lvalue" }
+}