diff -r 000000000000 -r 959103a6100f test/tools/javac/cast/4916620/T4916620.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/cast/4916620/T4916620.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2005, 2006, 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     4916620
+ * @summary legal cast is rejected
+ * @author  Christian Plesner Hansen
+ * @compile/fail -Xlint:unchecked -Werror T4916620.java
+ * @compile -Xlint:unchecked T4916620.java
+ */
+
+public class T4916620 {
+    static class BB<T, S> { }
+    static class BD<T> extends BB<T, T> { }
+
+    void f() {
+        BD<Number> bd = new BD<Number>();
+        BB<? extends Number, ? super Integer> bb = bd;
+        Object o = (BD<Number>) bb;
+    }
+}