1 /*
   2  * Copyright (c) 2011, 2014, 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 7005594
  28  * @summary Array overflow not handled correctly with loop optimzations
  29  *
  30  * @run shell Test7005594.sh
  31  */
  32 
  33 package compiler.c2.cr7005594;
  34 
  35 public class Test7005594 {
  36 
  37       static int test(byte a[]){
  38           int result=0;
  39           for( int i=0; i<a.length; i+=((0x7fffffff>>1)+1) ){
  40               result += a[i];
  41           }
  42           return result;
  43       }
  44 
  45       public static void main(String [] args){
  46           byte a[]=new byte[(0x7fffffff>>1)+2];
  47           int result = 0;
  48           try {
  49               result = test(a);
  50           } catch (ArrayIndexOutOfBoundsException e) {
  51               e.printStackTrace(System.out);
  52               System.out.println("Passed");
  53               System.exit(95);
  54           }
  55           System.out.println(result);
  56           System.out.println("FAILED");
  57           System.exit(97);
  58       }
  59 
  60 }
  61