test/compiler/6775880/Test.java

/*
 * Copyright (c) 2008, 2009, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

/*
 * @test
 * @bug 6775880
 * @summary EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now")
 * @compile -source 1.4 -target 1.4 Test.java
 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xbatch -XX:+DoEscapeAnalysis -XX:+DeoptimizeALot -XX:CompileCommand=exclude,java.lang.AbstractStringBuilder::append Test
 */

public class Test {

  int cnt;
  int b[];
  String s;

  String test() {
    String res="";
    for (int i=0; i < cnt; i++) {
      if (i != 0) {
        res = res +".";
      }
      res = res + b[i];
    }
    return res;
  }

  public static void main(String[] args) {
    Test t = new Test();
    t.cnt = 3;
    t.b = new int[3];
    t.b[0] = 0;
    t.b[1] = 1;
    t.b[2] = 2;
    int j=0;
    t.s = "";
    for (int i=0; i<10001; i++) {
      t.s = "c";
      t.s = t.test();
    }
    System.out.println("After s=" + t.s);
  }
}