--- /dev/null	2015-06-17 17:39:34.064603000 +0200
+++ new/test/compiler/intrinsics/unsafe/TestUnalignedStoreIThenStoreB.java	2015-09-18 16:53:33.535152254 +0200
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 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 8136473
+ * @summary Mismatched stores on same slice possible with Unsafe.Put*Unaligned methods
+ * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation TestUnalignedStoreIThenStoreB
+ *
+ */
+
+import java.lang.reflect.*;
+import sun.misc.Unsafe;
+
+public class TestUnalignedStoreIThenStoreB {
+
+    private static final Unsafe UNSAFE;
+
+    static {
+        try {
+            Field unsafeField = Unsafe.class.getDeclaredField("theUnsafe");
+            unsafeField.setAccessible(true);
+            UNSAFE = (Unsafe) unsafeField.get(null);
+        }
+        catch (Exception e) {
+            throw new AssertionError(e);
+        }
+    }
+
+    static void test1(byte[] array) {
+        array[0] = 0;
+        UNSAFE.putIntUnaligned(array, UNSAFE.ARRAY_BYTE_BASE_OFFSET, 0);
+        array[0] = 0;
+    }
+
+    // unaligned access and non escaping allocation
+    static void test2() {
+        byte[] array = new byte[10];
+        UNSAFE.putIntUnaligned(array, UNSAFE.ARRAY_BYTE_BASE_OFFSET+1, -1);
+        array[0] = 0;
+    }
+
+    // unaligned access and non escaping allocation
+    static int test3() {
+        byte[] array = new byte[10];
+        UNSAFE.putIntUnaligned(array, UNSAFE.ARRAY_BYTE_BASE_OFFSET+1, -1);
+        array[0] = 0;
+        array[2] = 0;
+        return array[0] + array[1] + array[2] + array[3] + array[4];
+    }
+
+    // unaligned access with vectorization
+    static void test4(int[] src1, int[] src2, int[] dst) {
+        for (int i = 0; i < dst.length-1; i++) {
+            int res = src1[i] + src2[i];
+            UNSAFE.putIntUnaligned(dst, UNSAFE.ARRAY_INT_BASE_OFFSET + i*4+1, res);
+        }
+    }
+
+    static public void main(String[] args) {
+        byte[] byte_array = new byte[100];
+        int[] int_array = new int[100];
+        for (int i = 0; i < 20000; i++) {
+            test1(byte_array);
+            test2();
+            test3();
+            test4(int_array, int_array, int_array);
+        }
+    }
+}