/*

 * Copyright (c) 2010, 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 6973329

 * @summary C2 with Zero based COOP produces code with broken anti-dependency on x86

 *

 * @run main/othervm -Xbatch -Xcomp -XX:CompileOnly=Test Test

 */

class A {

  A next;

  int n;

  public int get_n() {

    return n+1;

  }

}

public class Test {

  A a;

  void test (A new_next) {

    A prev_next = a.next;

    a.next = new_next;

    if (prev_next == null) {

      a.n = a.get_n();

    }

  }

  public static void main(String args[]) {

    Test t = new Test();

    t.a = new A();

    t.a.n = 1;

    t.test(new A());

    if (t.a.n != 2) {

      System.out.println("Wrong value: " + t.a.n + " expected: 2");

      System.exit(97);

    }

  }

}