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comparison test/compiler/dependencies/MonomorphicObjectCall/java/lang/Object.java @ 20666:bee8095780db

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8050079: crash while compiling java.lang.ref.Finalizer::runFinalizer Summary: Ignore non-instance Klasses in the subclass hierarchy. Reviewed-by: kvn, iignatyev, jrose
author thartmann
date Thu, 20 Nov 2014 11:06:26 +0100
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20665:b62a321c4d2e 20666:bee8095780db
1 /*
2 * Copyright (c) 1994, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.lang;
27
28 /**
29 * Slightly modified version of java.lang.Object that replaces
30 * finalize() by finalizeObject() to avoid overriding in subclasses.
31 */
32 public class Object {
33
34 private static native void registerNatives();
35 static {
36 registerNatives();
37 }
38
39 public final native Class<?> getClass();
40
41 public native int hashCode();
42
43 public boolean equals(Object obj) {
44 return (this == obj);
45 }
46
47 protected native Object clone() throws CloneNotSupportedException;
48
49 public String toString() {
50 return getClass().getName() + "@" + Integer.toHexString(hashCode());
51 }
52
53 public final native void notify();
54
55 public final native void notifyAll();
56
57 public final native void wait(long timeout) throws InterruptedException;
58
59 public final void wait(long timeout, int nanos) throws InterruptedException {
60 if (timeout < 0) {
61 throw new IllegalArgumentException("timeout value is negative");
62 }
63
64 if (nanos < 0 || nanos > 999999) {
65 throw new IllegalArgumentException(
66 "nanosecond timeout value out of range");
67 }
68
69 if (nanos >= 500000 || (nanos != 0 && timeout == 0)) {
70 timeout++;
71 }
72
73 wait(timeout);
74 }
75
76 public final void wait() throws InterruptedException {
77 wait(0);
78 }
79
80 /**
81 * Replaces original finalize() method and is therefore not
82 * overridden by any subclasses of Object.
83 * @throws Throwable
84 */
85 // protected void finalize() throws Throwable { }
86 public void finalizeObject() throws Throwable { }
87 }