diff --git a/test/SemaTemplate/friend.cpp b/test/SemaTemplate/friend.cpp
index cd74cb1..2729952 100644
--- a/test/SemaTemplate/friend.cpp
+++ b/test/SemaTemplate/friend.cpp
@@ -8,3 +8,7 @@
 void f() {
   A<int>::B b;
 }
+
+struct C0 {
+  friend struct A<int>;
+};