--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/7100935/TestShortArraycopy.java	Wed Oct 19 10:52:30 2011 -0700
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2011 SAP AG.  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 TestShortArraycopy
+ * @bug 7100935
+ * @summary  verify that shorts are copied element-wise atomic.
+ * @run main/othervm -Xint TestShortArraycopy
+ * @run main/othervm -Xcomp -Xbatch TestShortArraycopy
+ * @author volker.simonis@gmail.com
+ */
+
+public class TestShortArraycopy {
+
+  static short[] a1 = new short[8];
+  static short[] a2 = new short[8];
+  static short[] a3 = new short[8];
+
+  static volatile boolean keepRunning = true;
+
+  public static void main(String[] args) throws InterruptedException {
+
+    for (int i = 0; i < a1.length ; i++) {
+      a1[i] = (short)0xffff;
+      a2[i] = (short)0xffff;
+      a3[i] = (short)0x0000;
+    }
+    Thread reader = new Thread() {
+      public void run() {
+        while (keepRunning) {
+          for (int j = 0; j < a1.length; j++) {
+            short s = a1[j];
+            if (s != (short)0xffff && s != (short)0x0000) {
+              System.out.println("Error: s = " + s);
+              throw new RuntimeException("wrong result");
+
+            }
+          }
+        }
+      }
+    };
+    Thread writer = new Thread() {
+      public void run() {
+        for (int i = 0; i < 1000000; i++) {
+          System.arraycopy(a2, 5, a1, 3, 3);
+          System.arraycopy(a3, 5, a1, 3, 3);
+        }
+      }
+    };
+    keepRunning = true;
+    reader.start();
+    writer.start();
+    writer.join();
+    keepRunning = false;
+    reader.join();
+  }
+}