/*

 * Copyright (c) 2014, 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 8039043

 * @summary Null check is placed in a wrong place when storing a null to an object field on x64 with compressed oops off

 *

 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions

 *    -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -XX:-UseCompressedOops

 *    -XX:CompileCommand=compileonly,compiler.codegen.C1NullCheckOfNullStore::test

 *    compiler.codegen.C1NullCheckOfNullStore

 */

package compiler.codegen;

public class C1NullCheckOfNullStore {

    private static class Foo {

        Object bar;

    }

    static private void test(Foo x) {

        x.bar = null;

    }

    static public void main(String args[]) {

        Foo x = new Foo();

        for (int i = 0; i < 10000; i++) {

            test(x);

        }

        boolean gotNPE = false;

        try {

            for (int i = 0; i < 10000; i++) {

                test(null);

            }

        } catch (NullPointerException e) {

            gotNPE = true;

        }

        if (!gotNPE) {

            throw new Error("Expecting a NullPointerException");

        }

    }

}