--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/optimize/BoxingIdentity.java	2016-12-09 00:52:45.882977854 -0800
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2009, 2012, 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.
+ */
+package org.graalvm.compiler.jtt.optimize;
+
+import org.junit.Test;
+
+import org.graalvm.compiler.jtt.JTTTest;
+
+public class BoxingIdentity extends JTTTest {
+    interface ArrayMirror {
+        Object get(int i);
+    }
+
+    static class IntArray implements ArrayMirror {
+        final int[] array;
+
+        IntArray() {
+            this.array = new int[8];
+        }
+
+        @Override
+        public Object get(int i) {
+            return array[i];
+        }
+    }
+
+    public int testIntArray(Object m) {
+        ArrayMirror a = new IntArray();
+        if (a.get(0) != m) {
+            return 42;
+        }
+        return 41;
+    }
+
+    @Test
+    public void runIntArray() {
+        runTest("testIntArray", 0);
+        runTest("testIntArray", 1);
+    }
+
+    public boolean isTrue(Object obj) {
+        return obj == Boolean.valueOf(true);
+    }
+
+    @Test
+    public void runIsTrue() {
+        runTest("isTrue", true);
+        runTest("isTrue", false);
+    }
+}