1 /*
   2  * Copyright 2002 Sun Microsystems, Inc.  All Rights Reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   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  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @ bug
  27  * @summary Positive regression test from odersky
  28  * @author odersky
  29  *
  30  * @compile -source 1.5 Test3.java
  31  */
  32 
  33 class Test3 {
  34     interface I {}
  35     interface J {}
  36     static class C implements I, J {}
  37     static class D implements I, J {}
  38 
  39     interface Ord {}
  40 
  41     static C c = new C();
  42     static D d = new D();
  43 
  44     static <B extends Ord> List<B> nil() { return new List<B>(); }
  45     static <B extends I & J> B f(B x) { return x; }
  46 
  47     static <A> List<A> cons(A x, List<A> xs) { return xs.prepend(x); }
  48     static <A> Cell<A> makeCell(A x) { return new Cell<A>(x); }
  49     static <A> A id(A x) { return x; }
  50 
  51     public static void main(String[] args) {
  52         I i = f(c);
  53         J j = f(d);
  54         f(c);
  55         f(d);
  56     }
  57 }