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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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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     6213818
 * @summary Compilercrash with NullPointerException at SubstFcn.subst(Types.java:2057)
 * @compile T6213818.java
 */

public class T6213818 {
    static interface Edge<N extends Node<? extends Edge<N>>> { }
    static interface Node<E extends Edge<? extends Node<E>>> { }
    static class BasicNode<E extends BasicEdge<N, E> & Edge<N>, N extends BasicNode<E, N> & Node<E>> implements Node<E> { }
    static class BasicEdge<N extends BasicNode<E, N> & Node<E>, E extends BasicEdge<N, E> & Edge<N>> implements Edge<N> { }
}