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 6695810
27  * @summary null oop passed to encode_heap_oop_not_null
28  *
29  * @run main/othervm -Xbatch compiler.c2.Test6695810
30  */
31 
32 package compiler.c2;
33 
34 public class Test6695810 {
35     Test6695810 _t;
36 
test(Test6695810 t1, Test6695810 t2)37     static void test(Test6695810 t1, Test6695810 t2) {
38         if (t2 != null)
39             t1._t = t2;
40 
41         if (t2 != null)
42             t1._t = t2;
43     }
44 
main(String[] args)45     public static void main(String[] args) {
46         Test6695810 t = new Test6695810();
47         for (int i = 0; i < 50; i++) {
48             for (int j = 0; j < 100; j++) {
49                 test(t, t);
50             }
51             test(t, null);
52         }
53         for (int i = 0; i < 10000; i++) {
54             test(t, t);
55         }
56         test(t, null);
57     }
58 }
59