1 /*

     2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 7177306

    27  * @summary Regression: unchecked method call does not erase return type

    28  */

    29 import java.util.List;

    30 

    31 public class T7177306d {

    32 

    33     static int assertionCount = 0;

    34 

    35     static void assertTrue(boolean cond) {

    36         if (!cond) {

    37             throw new AssertionError();

    38         }

    39         assertionCount++;

    40     }

    41 

    42     static <T, S extends List<T>> void m(List<? super T> arg1, S arg2, Class<Object> arg3) { assertTrue(false); }

    43     static void m(Object o1, Object o2, Object o3) { assertTrue(true); }

    44 

    45     static void test(List<Integer> li, List<String> ls, Class c) {

    46         m(li, ls, c);

    47     }

    48 

    49     public static void main(String[] args) {

    50         test(null, null, null);

    51         assertTrue(assertionCount == 1);

    52     }

    53 }