test/langtools/tools/javac/cast/6302214/T6302214.java

/*
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 * 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.
 *
 * 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.
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 */

/*
 * @test
 * @bug     6302214
 * @summary erroneus "inconvertible types" error
 * @compile -Xlint:unchecked -Werror T6302214.java
 */

public class T6302214 {
    class B extends A<Object> {
        void m2() {
            m3((X2) m());
        }
        void m3(X2 i) { }
    }

    public class A<T> {
        X<? extends T> m() {
            return null;
        }
    }

    class X2 extends X<String> { }

    class X<T> { }
}