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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,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test
 * @bug 8063054
 * @summary Bug summary
 * @compile -Werror -Xlint:rawtypes T8063054b.java
 */
class T8063054b {
    void test(Box<? extends Box<Number>> b) {
        Number n = b.<Number>map(Box::get).get();
    }

    interface Func<S,T> { T apply(S arg); }

    interface Box<T> {
        T get();
        <R> Box<R> map(Func<T,R> f);
    }
}