1/*
2 * Copyright (c) 2008, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 6500343
27 * @summary compiler generates bad code when translating conditional expressions
28 * @author Maurizio Cimadamore
29 *
30 */
31
32public class T6500343a {
33    static class Base {}
34    static interface I {}
35    static class A1 extends Base implements I {}
36    static class A2 extends Base implements I {}
37
38    static Object crash(I i, A1 a1, A2 a2, boolean b1, boolean b2) {
39        return b1 ? i : b2 ? a2 : a1;
40        // lub(I, lub(A1, A2)) ==> lub(I, Base&I) ==> I (doesn't compile on 1.4 ok >1.5)
41    }
42
43    public static void main(String[] args) {
44        T6500343a.crash(new A1(), new A1(), new A2(), true, false);
45        T6500343a.crash(new A1(), new A1(), new A2(), false, true);
46        T6500343a.crash(new A1(), new A1(), new A2(), false, false);
47        T6500343a.crash(new A1(), new A1(), new A2(), true, true);
48    }
49}
50
51