1 files changed, 21 insertions, 0 deletions
diff --git a/test/SemaTemplate/class-template-decl.cpp b/test/SemaTemplate/class-template-decl.cpp
index 2e84e93..ec4e016 100644
--- a/test/SemaTemplate/class-template-decl.cpp
+++ b/test/SemaTemplate/class-template-decl.cpp
@@ -74,3 +74,24 @@ namespace PR8001 {
     Foo<int>::Bar<int> y(x);
   }
 }
+
+namespace rdar9676205 {
+  template <unsigned, class _Tp> class tuple_element;
+
+  template <class _T1, class _T2> class pair;
+
+  template <class _T1, class _T2>
+  class tuple_element<0, pair<_T1, _T2> >
+  {
+    template <class _Tp>
+    struct X
+    {
+      template <class _Up, bool = X<_Up>::value>
+      struct Y
+        : public X<_Up>,
+          public Y<_Up>
+      { };
+    };
+  };
+}
+