--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/javadoc/tool/generics/tparamCycle/Main.java	Sat Nov 28 18:52:17 2015 -0800
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2003, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 4421066
+ * @summary Check a type parameter whose bound cycles back on itself.
+ * @ignore API modifications
+ * @library ../../lib
+ * @modules jdk.javadoc
+ * @compile  ../../lib/Tester.java Main.java
+ * @run main Main
+ */
+
+import java.io.IOException;
+import com.sun.javadoc.*;
+
+public class Main extends Tester.Doclet {
+
+    private static final Tester tester = new Tester("Main", "pkg1");
+
+    public static void main(String[] args) throws IOException {
+        tester.run();
+    }
+
+    public static boolean run(DocletEnvironment root) {
+        ClassDoc cd = root.classes()[0];
+        System.out.println("*** " + cd);
+        TypeVariable E = cd.typeParameters()[0];
+        System.out.println("*** " + E);
+        Type bound = E.bounds()[0];
+        System.out.println("*** " + bound);
+
+        // Verify that we have an instantiation of Enum<E>, and not
+        // the generic interface.
+        ParameterizedType enumE = (ParameterizedType)bound;
+
+        if (enumE.asClassDoc() != cd) {
+            throw new Error("Type declaration and type use don't match up.");
+        } else {
+            return true;
+        }
+    }
+}