diff --git a/test/Parser/cxx-ambig-decl-expr.cpp b/test/Parser/cxx-ambig-decl-expr.cpp
index b5ff728..feb185f 100644
--- a/test/Parser/cxx-ambig-decl-expr.cpp
+++ b/test/Parser/cxx-ambig-decl-expr.cpp
@@ -7,4 +7,7 @@
 
 void f() {
   void (*ptr)(int, int) = &X::f<int, int>;
+
+  unknown *p = 0; // expected-error {{unknown type name 'unknown'}}
+  unknown * p + 0; // expected-error {{undeclared identifier 'unknown'}}
 }