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