1 /*
   2  * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 /*
  26  * @test
  27  * @bug 6795161
  28  * @summary Escape analysis leads to data corruption
  29  * @run main/othervm -server  -XX:+IgnoreUnrecognizedVMOptions -Xcomp -XX:CompileOnly=Test -XX:+DoEscapeAnalysis Test
  30  */
  31 
  32 class Test_Class_1 {
  33     static String var_1;
  34 
  35     static void badFunc(int size)
  36     {
  37         try {
  38           for (int i = 0; i < 1; (new byte[size-i])[0] = 0, i++) {}
  39         } catch (Exception e) {
  40           // don't comment it out, it will lead to correct results ;)
  41           //System.out.println("Got exception: " + e);
  42         }
  43     }
  44 }
  45 
  46 public class Test {
  47     static String var_1_copy = Test_Class_1.var_1;
  48 
  49     static byte var_check;
  50 
  51     public static void main(String[] args)
  52     {
  53         var_check = 1;
  54 
  55         Test_Class_1.badFunc(-1);
  56 
  57         System.out.println("EATester.var_check = " + Test.var_check + " (expected 1)\n");
  58     }
  59 }
  60