Mercurial > hg > truffle
comparison test/compiler/inlining/DefaultAndConcreteMethodsCHA.java @ 14272:757ec609d8d5
8031695: CHA ignores default methods during analysis leading to incorrect code generation
Reviewed-by: jrose, acorn, hseigel, lfoltan
author | vlivanov |
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date | Thu, 23 Jan 2014 01:23:23 +0400 |
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14271:7e8bd81ce93e | 14272:757ec609d8d5 |
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1 /* | |
2 * Copyright (c) 2014, 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 8031695 | |
27 * @summary CHA ignores default methods during analysis leading to incorrect code generation | |
28 * | |
29 * @run main/othervm -Xbatch DefaultAndConcreteMethodsCHA | |
30 */ | |
31 interface I { | |
32 default int m() { return 0; } | |
33 } | |
34 | |
35 class A implements I {} | |
36 | |
37 class C extends A { } | |
38 class D extends A { public int m() { return 1; } } | |
39 | |
40 public class DefaultAndConcreteMethodsCHA { | |
41 public static int test(A obj) { | |
42 return obj.m(); | |
43 } | |
44 public static void main(String[] args) { | |
45 for (int i = 0; i < 10000; i++) { | |
46 int idC = test(new C()); | |
47 if (idC != 0) { | |
48 throw new Error("C.m didn't invoke I.m: id "+idC); | |
49 } | |
50 | |
51 int idD = test(new D()); | |
52 if (idD != 1) { | |
53 throw new Error("D.m didn't invoke D.m: id "+idD); | |
54 } | |
55 } | |
56 | |
57 } | |
58 } |