1 /*
   2  * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  *
  23  */
  24 
  25 /*
  26  * @test
  27  * @bug 6823453
  28  * @summary DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph")
  29  * @run main/othervm -Xcomp -XX:CompileOnly=Test -XX:+DeoptimizeALot Test
  30  */
  31 
  32 public class Test {
  33 
  34    static long vara_1 = 1L;
  35 
  36    static void testa() {
  37       short var_2 = (byte) 1.0E10;
  38 
  39       for ( Object temp = new byte[(byte)1.0E10];  true ;
  40             var_2 = "1".equals("0") ? ((byte) vara_1) : 1 ) {}
  41    }
  42 
  43    static void testb() {
  44       long var_1 = -1L;
  45 
  46       short var_2 = (byte) 1.0E10;
  47 
  48       for ( Object temp = new byte[(byte)1.0E10];  true ;
  49             var_2 = "1".equals("0") ? ((byte) var_1) : 1 ) {}
  50    }
  51 
  52    static void testc() {
  53       long var_1 = -1L;
  54       if (vara_1 > 0)  var_1 = 1L;
  55 
  56       int var_2 = (byte)var_1 - 128;
  57 
  58       for ( Object temp = new byte[var_2];  true ;
  59             var_2 = "1".equals("0") ? 2 : 1 ) {}
  60    }
  61 
  62    public static void main(String[] args) throws Exception
  63    {
  64       int nex = 0;
  65 
  66       try {
  67          testa();
  68       }
  69       catch (java.lang.NegativeArraySizeException ex) { nex++; }
  70       try {
  71          testb();
  72       }
  73       catch (java.lang.NegativeArraySizeException ex) { nex++; }
  74       try {
  75          testc();
  76       }
  77       catch (java.lang.NegativeArraySizeException ex) { nex++; }
  78 
  79       if (nex != 2)
  80         System.exit(97);
  81    }
  82 }
  83