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comparison test/compiler/inlining/DefaultMethodsDependencies.java @ 21111:91d70d102132

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8069263: assert(fm == NULL || fm->method_holder() == _participants[n]) failed: sanity Summary: default methods added to classes confuse dependency processing Reviewed-by: kvn
author roland
date Thu, 12 Mar 2015 14:15:09 +0100
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21082:266eef1c29e0 21111:91d70d102132
1 /*
2 * Copyright (c) 2015, 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 8069263
27 * @summary Deoptimization between array allocation and arraycopy may result in non initialized array
28 * @run main/othervm -XX:-BackgroundCompilation -XX:CompileOnly=DefaultMethodsDependencies::test -XX:CompileOnly=DefaultMethodsDependencies$I2::m1 DefaultMethodsDependencies
29 *
30 */
31
32 public class DefaultMethodsDependencies {
33
34 interface I1 {
35 void m1();
36 // triggers processing of default methods in C1
37 default void m2() {
38 }
39 }
40
41 interface I2 extends I1 {
42 // added to C2 as default method
43 default void m1() {
44 }
45 }
46
47 static abstract class C1 implements I1 {
48 }
49
50 static class C2 extends C1 implements I2 {
51 }
52
53 static void test(C1 obj) {
54 obj.m1();
55 }
56
57 static public void main(String[] args) {
58 C2 obj = new C2();
59 for (int i = 0; i < 20000; i++) {
60 test(obj);
61 }
62 }
63 }