test/langtools/tools/javac/lambda/8020804/T8020804.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * 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).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8020804
 * @summary javac crashes when speculative attribution infers intersection type with array component
 * @compile T8020804.java
 */

import java.util.*;

class T8020804 {
    interface Supplier<D> {
        D make();
    }

    void m(Object o) { }
    void m(char[] c) { }

    <C extends Collection<?>> C g(Supplier<C> sc) { return null; }

    void test() {
        m(g(LinkedList<Double>::new));
    }
}