--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp0x/rv-conv2.C	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,18 @@
+// PR c++/89705
+// { dg-do compile { target c++11 } }
+
+struct W { operator const volatile int(); }; // { dg-warning "deprecated" "" { target c++2a } }
+const int& rci = W();
+
+struct X { operator const int(); };
+int&& rri = X();
+
+struct Y { operator volatile int(); }; // { dg-warning "deprecated" "" { target c++2a } }
+int&& rri2 = Y();
+
+struct Z { operator const volatile int(); }; // { dg-warning "deprecated" "" { target c++2a } }
+volatile int&& rri3 = Z();
+
+enum E { A };
+struct S { operator const E(); };
+E&& rre = S();