1 files changed, 19 insertions, 0 deletions
diff --git a/test/SemaTemplate/instantiate-non-type-template-parameter.cpp b/test/SemaTemplate/instantiate-non-type-template-parameter.cpp
index cbadcde..027c1e8 100644
--- a/test/SemaTemplate/instantiate-non-type-template-parameter.cpp
+++ b/test/SemaTemplate/instantiate-non-type-template-parameter.cpp
@@ -34,3 +34,22 @@ namespace PR6986 {
     ckey_m m;
   }
 }
+
+namespace rdar8980215 {
+  enum E { E1, E2, E3 };
+
+  template<typename T, E e = E2>
+  struct X0 { 
+    X0() {}
+    template<typename U> X0(const X0<U, e> &);
+  };
+
+  template<typename T>
+  struct X1 : X0<T> { 
+    X1() {}
+    template<typename U> X1(const X1<U> &x) : X0<T>(x) { }
+  };
+
+  X1<int> x1i;
+  X1<float> x1f(x1i);
+}