Index: test/Parser/forward-declaration.cpp
===================================================================
--- /dev/null
+++ test/Parser/forward-declaration.cpp
@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 %s -fsyntax-only -verify
+
+class Outer {class Inner;};
+
+class ::Outer; // expected-error {{forward declaration of qualified class not allowed}} expected-warning {{extra qualification on member 'Outer'}}
+
+class Outer;
+
+// specializations of qualified type introduction?
+class Outer::Inner; // expected-error {{forward declaration of class cannot have a nested name specifier}}
+class ::Outer::Inner; // expected-error {{forward declaration of class cannot have a nested name specifier}}