1 /*
   2  * Copyright 2008 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 6775880
  28  * @summary EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now")
  29  * @compile -source 1.4 -target 1.4 Test.java
  30  * @run main/othervm -server -Xbatch -XX:+DoEscapeAnalysis -XX:+DeoptimizeALot -XX:CompileCommand=exclude,java.lang.AbstractStringBuilder::append Test
  31  */
  32 
  33 public class Test {
  34 
  35   int cnt;
  36   int b[];
  37   String s;
  38 
  39   String test() {
  40     String res="";
  41     for (int i=0; i < cnt; i++) {
  42       if (i != 0) {
  43         res = res +".";
  44       }
  45       res = res + b[i];
  46     }
  47     return res;
  48   }
  49 
  50   public static void main(String[] args) {
  51     Test t = new Test();
  52     t.cnt = 3;
  53     t.b = new int[3];
  54     t.b[0] = 0;
  55     t.b[1] = 1;
  56     t.b[2] = 2;
  57     int j=0;
  58     t.s = "";
  59     for (int i=0; i<10001; i++) {
  60       t.s = "c";
  61       t.s = t.test();
  62     }
  63     System.out.println("After s=" + t.s);
  64   }
  65 }
  66 
  67