/*

 * Copyright (c) 2012, 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 8002069

 * @summary Assert failed in C2: assert(field->edge_count() > 0) failed: sanity

 *

 * @run main/othervm -Xmx128m -XX:+IgnoreUnrecognizedVMOptions -Xbatch

 *      -XX:CompileCommand=exclude,compiler.c2.Test8002069::dummy

 *      compiler.c2.Test8002069

 */

package compiler.c2;

public class Test8002069 {

    static abstract class O {

        int f;

        public O() {

            f = 5;

        }

        abstract void put(int i);

        public int foo(int i) {

            put(i);

            return i;

        }

    }

    static class A extends O {

        int[] a;

        public A(int s) {

            a = new int[s];

        }

        public void put(int i) {

            a[i % a.length] = i;

        }

    }

    static class B extends O {

        int sz;

        int[] a;

        public B(int s) {

            sz = s;

            a = new int[s];

        }

        public void put(int i) {

            a[i % sz] = i;

        }

    }

    public static void main(String args[]) {

        int sum = 0;

        for (int i = 0; i < 8000; i++) {

            sum += test1(i);

        }

        for (int i = 0; i < 100000; i++) {

            sum += test2(i);

        }

        System.out.println("PASSED. sum = " + sum);

    }

    private O o;

    private int foo(int i) {

        return o.foo(i);

    }

    static int test1(int i) {

        Test8002069 t = new Test8002069();

        t.o = new A(5);

        return t.foo(i);

    }

    static int test2(int i) {

        Test8002069 t = new Test8002069();

        t.o = new B(5);

        dummy(i);

        return t.foo(i);

    }

    static int dummy(int i) {

        return i * 2;

    }

}