hotspot/test/compiler/6799693/Test.java
author kvn
Thu, 05 Feb 2009 14:43:58 -0800
changeset 2029 4ba79339bc0c
child 5547 f4b087cbb361
permissions -rw-r--r--
6799693: Server compiler leads to data corruption when expression throws an Exception Summary: Use merged memory state for an allocation's slow path. Reviewed-by: never

/*
 * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 */

/*
 * @test
 * @bug 6799693
 * @summary Server compiler leads to data corruption when expression throws an Exception
 * @run main/othervm -Xcomp -XX:CompileOnly=Test Test
 */

public class Test {
   static int var_bad = 1;

   public static void main(String[] args)
   {
      var_bad++;

      try {
         for (int i = 0; i < 10; i++) (new byte[((byte)-1 << i)])[0]  = 0;
      }
      catch (Exception e) { System.out.println("Got " + e); }

      System.out.println("Test.var_bad = " +  var_bad + " (expected 2)\n");
   }
}