/*
 * Copyright (c) 2017, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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 8174249
 * @summary Regression in generic method unchecked calls
 * @compile T8174249a.java
 */

import java.util.ArrayList;
import java.util.Collection;

class T8174249a {
    static <T> T foo(Class<T> c, Collection<? super T> baz) {
return null;
    }

    static void bar(String c) { }

    void test() {
        // this works
        bar(foo(String.class, new ArrayList<String>()));

        // this works with a warning
        String s = foo(String.class, new ArrayList());
        bar(s);

        // this causes an error on JDK9 but should work
        bar(foo(String.class, new ArrayList()));
    }
}