1 /*

     2  * Copyright (c) 2017, 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

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     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

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

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

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

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

    15  * accompanied this code).

    16  *

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

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

    20  *

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

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    25 

    26 /*

    27  * @test

    28  * @bug 8177097

    29  * @summary Generic method reference returning wildcard parameterized type does not compile

    30  * @compile T8177097a.java

    31  */

    32 

    33 import java.util.Map;

    34 

    35 class T8177097a {

    36     interface X<O> {

    37         Map<?, O> apply();

    38     }

    39 

    40     <O> void go(X<O> x) { }

    41 

    42     static <I> Map<?, Integer> a() {

    43         return null;

    44     }

    45 

    46     void test() {

    47         go(T8177097a::a);

    48     }

    49 }