For friend class decls, always use TK_Reference so we'll try to look up existing class decls first.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71481 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Parser/cxx-friend.cpp b/test/Parser/cxx-friend.cpp
index 5bfaf2f..ea30ddc 100644
--- a/test/Parser/cxx-friend.cpp
+++ b/test/Parser/cxx-friend.cpp
@@ -3,3 +3,15 @@
 class C {
   friend class D;
 };
+
+class A {
+public:
+	void f();
+};
+
+class B {
+  // 'A' here should refer to the declaration above.  
+  friend class A;
+
+ void f(A *a) { a->f(); }
+};