--- /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/loop/LoopLastIndexOf.java	2016-12-09 00:52:25.355072987 -0800
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 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.loop;
+
+import org.junit.Test;
+
+import org.graalvm.compiler.jtt.JTTTest;
+
+/*
+ * see java.lang.String.lastIndexOf(char[], int, int, char[], int ,int, int)
+ */
+public class LoopLastIndexOf extends JTTTest {
+
+    private static final char[] v1 = new char[]{'a', 'b', 'c', 'd', 'a', 'b', 'c', 'd', 'a', 'b', 'c', 'd'};
+    private static final char[] v2 = new char[]{'d', 'a'};
+    private static final char[] v3 = new char[]{'d', 'b', 'c'};
+    private static final char[] v4 = new char[]{'z', 'a', 'b', 'c'};
+
+    public static int test(char[] source, int sourceOffset, int sourceCount, char[] target, int targetOffset, int targetCount, int fromIndexParam) {
+        int rightIndex = sourceCount - targetCount;
+        int fromIndex = fromIndexParam;
+        if (fromIndex < 0) {
+            return -1;
+        }
+        if (fromIndex > rightIndex) {
+            fromIndex = rightIndex;
+        }
+        /* Empty string always matches. */
+        if (targetCount == 0) {
+            return fromIndex;
+        }
+
+        int strLastIndex = targetOffset + targetCount - 1;
+        char strLastChar = target[strLastIndex];
+        int min = sourceOffset + targetCount - 1;
+        int i = min + fromIndex;
+
+        startSearchForLastChar: while (true) {
+            while (i >= min && source[i] != strLastChar) {
+                i--;
+            }
+            if (i < min) {
+                return -1;
+            }
+            int j = i - 1;
+            int start = j - (targetCount - 1);
+            int k = strLastIndex - 1;
+
+            while (j > start) {
+                if (source[j--] != target[k--]) {
+                    i--;
+                    continue startSearchForLastChar;
+                }
+            }
+            return start - sourceOffset + 1;
+        }
+    }
+
+    @Test
+    public void run0() throws Throwable {
+        runTest("test", v1, 0, v1.length, v2, 0, v2.length, 10);
+    }
+
+    @Test
+    public void run1() throws Throwable {
+        runTest("test", v1, 0, v1.length, v3, 0, v3.length, 10);
+    }
+
+    @Test
+    public void run2() throws Throwable {
+        runTest("test", v1, 0, v1.length, v4, 0, v4.length, 10);
+    }
+
+    @Test
+    public void run3() throws Throwable {
+        runTest("test", v1, 1, v1.length - 1, v3, 0, v3.length, 10);
+    }
+
+    @Test
+    // (expected = ArrayIndexOutOfBoundsException.class)
+    public void run4() throws Throwable {
+        runTest("test", v1, 1, v1.length, v3, 0, v3.length, 10);
+    }
+}