langtools/test/tools/javac/generics/inference/8177097/T8177097a.java
author mcimadamore
Fri, 24 Mar 2017 13:04:32 +0000
changeset 44392 e21b18355690
permissions -rw-r--r--
8177097: Generic method reference returning wildcard parameterized type does not compile Summary: Captured cache should not be used during 'fake' attr checks Reviewed-by: vromero, jjg

/*
 * 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 8177097
 * @summary Generic method reference returning wildcard parameterized type does not compile
 * @compile T8177097a.java
 */

import java.util.Map;

class T8177097a {
    interface X<O> {
        Map<?, O> apply();
    }

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

    static <I> Map<?, Integer> a() {
        return null;
    }

    void test() {
        go(T8177097a::a);
    }
}