test/tools/javac/conditional/6500343/T6500343a.java

Thu, 31 Aug 2017 15:17:03 +0800

author
aoqi
date
Thu, 31 Aug 2017 15:17:03 +0800
changeset 2525
2eb010b6cb22
parent 554
9d9f26857129
parent 0
959103a6100f
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @test
aoqi@0 26 * @bug 6500343
aoqi@0 27 * @summary compiler generates bad code when translating conditional expressions
aoqi@0 28 * @author Maurizio Cimadamore
aoqi@0 29 *
aoqi@0 30 */
aoqi@0 31
aoqi@0 32 public class T6500343a {
aoqi@0 33 static class Base {}
aoqi@0 34 static interface I {}
aoqi@0 35 static class A1 extends Base implements I {}
aoqi@0 36 static class A2 extends Base implements I {}
aoqi@0 37
aoqi@0 38 static Object crash(I i, A1 a1, A2 a2, boolean b1, boolean b2) {
aoqi@0 39 return b1 ? i : b2 ? a2 : a1;
aoqi@0 40 // lub(I, lub(A1, A2)) ==> lub(I, Base&I) ==> I (doesn't compile on 1.4 ok >1.5)
aoqi@0 41 }
aoqi@0 42
aoqi@0 43 public static void main(String[] args) {
aoqi@0 44 T6500343a.crash(new A1(), new A1(), new A2(), true, false);
aoqi@0 45 T6500343a.crash(new A1(), new A1(), new A2(), false, true);
aoqi@0 46 T6500343a.crash(new A1(), new A1(), new A2(), false, false);
aoqi@0 47 T6500343a.crash(new A1(), new A1(), new A2(), true, true);
aoqi@0 48 }
aoqi@0 49 }
aoqi@0 50

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