1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
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23 
24 /*
25  * @test
26  * @bug     6213818
27  * @summary Compilercrash with NullPointerException at SubstFcn.subst(Types.java:2057)
28  * @compile T6213818.java
29  */
30 
31 public class T6213818 {
32     static interface Edge<N extends Node<? extends Edge<N>>> { }
33     static interface Node<E extends Edge<? extends Node<E>>> { }
34     static class BasicNode<E extends BasicEdge<N, E> & Edge<N>, N extends BasicNode<E, N> & Node<E>> implements Node<E> { }
35     static class BasicEdge<N extends BasicNode<E, N> & Node<E>, E extends BasicEdge<N, E> & Edge<N>> implements Edge<N> { }
36 }
37