diff -r 000000000000 -r 959103a6100f test/tools/javac/generics/wildcards/pos/InstanceOf.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/wildcards/pos/InstanceOf.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2003, 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 4892571
+ * @summary generics: type cast with instance of
+ * @author gafter
+ *
+ * @compile  -Werror InstanceOf.java
+ */
+
+class InstanceOf<T> {
+    static interface I1<T> {
+        public T[] toArray();
+    }
+    static interface I2<T> extends I1<T> {
+        public T[] toArray();
+    }
+    static interface I3<T> extends I2<T> {    }
+    InstanceOf() {
+        I1<T> inv = null;
+        I1<? extends T> cov = null;
+        I1<? super T> con = null;
+        boolean b;
+        b = inv instanceof I3; // <<pass>>
+        b = cov instanceof I3; // <<pass>>
+        b = con instanceof I3; // <<pass>>
+    }
+}