T6294779a.java

/*
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 * published by the Free Software Foundation.
 *
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 * 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     6294779
 * @summary Problem with interface inheritance and covariant return types
 * @author  Maurizio Cimadamore
 * @compile T6294779a.java
 */

public class T6294779a {

    interface A {
        A m();
    }

    interface B extends A {
        B m();
    }

    interface C extends A {
        C m();
    }

    interface D extends B, C {
        D m();
    }
}