1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/lookup/two-stage4.C b/gcc/testsuite/g++.dg/lookup/two-stage4.C
new file mode 100644
index 000000000..bbb44afa0
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/two-stage4.C
@@ -0,0 +1,20 @@
+
+// Contributed by Douglas Gregor <doug.gregor@gmail.com>
+
+template<class T> struct wrap {};
+
+template<typename T> bool& operator==(wrap<T>, wrap<T>);
+
+template<typename T>
+void g(T, wrap<wrap<int> > x)
+{
+  bool& b = x == x; // { dg-bogus "invalid initialization of reference" "" { xfail *-*-*} }
+}
+
+template<typename T> int& operator==(wrap<wrap<T> >, wrap<wrap<T> >);
+
+void h()
+{
+  wrap<wrap<int> > x;
+  g(17, x);
+}