diff -r 62073a5becc5 -r 8227961c64d3 test/tools/javac/6521805/T6521805d.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/6521805/T6521805d.java	Tue Aug 11 01:13:14 2009 +0100
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 6521805
+ * @summary Regression: JDK5/JDK6 javac allows write access to outer class reference
+ * @author mcimadamore
+ *
+ * @compile/fail/ref=T6521805d.out T6521805d.java -XDrawDiagnostics
+ */
+
+class T6521805 {
+
+    static class Inner extends T6521805.Outer {
+
+        Inner(T6521805 t) {
+            t.super();
+        }
+
+        T6521805 this$0 = null;
+
+        public void foo() {
+            this$0 = new T6521805();
+        }
+    }
+
+    class Outer {}
+
+}