/*

 * Copyright (c) 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 6769124

 * @summary int value might not be correctly decoded on deopt with c1 on 64 bit

 *

 * @run main/othervm -Xcomp

 *      -XX:CompileCommand=compileonly,compiler.c1.TestDeoptInt::m

 *      compiler.c1.TestDeoptInt

 */

package compiler.c1;

public class TestDeoptInt {

    static class A {

        volatile int vl;

        A(int v) {

            vl = v;

        }

    }

    static void m(int b) {

        A a = new A(10);

        int c;

        c = b + a.vl; //accessing volatile field of class not loaded at compile time forces a deopt

        if(c != 20) {

            System.out.println("a (= " + a.vl + ") + b (= " + b + ") = c (= " + c + ") != 20");

            throw new InternalError();

        }

    }

    public static void main(String[] args) {

        m(10);

    }

}