1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * ASSERTION:
29  * Declaring an associative array with a union to be its key type and trying to
30  * index with another union having the same composition throws an error.
31  *
32  * SECTION: Structs and Unions/Unions
33  *
34  */
35 
36 #pragma D option quiet
37 
38 union record {
39 	int position;
40 	char content;
41 };
42 
43 union pirate {
44 	int position;
45 	char content;
46 };
47 
48 union record r1;
49 union record r2;
50 union pirate p1;
51 union pirate p2;
52 
53 BEGIN
54 {
55 	r1.position = 1;
56 	r1.content = 'a';
57 
58 	r2.position = 2;
59 	r2.content = 'b';
60 
61 	p1.position = 1;
62 	p1.content = 'a';
63 
64 	p2.position = 2;
65 	p2.content = 'b';
66 
67 	assoc_array[r1] = 1000;
68 	assoc_array[r2] = 2000;
69 	assoc_array[p1] = 3333;
70 	assoc_array[p2] = 4444;
71 
72 	printf("assoc_array[r1]: %d\n",  assoc_array[r1]);
73 	printf("assoc_array[r2]: %d\n",  assoc_array[r2]);
74 	printf("assoc_array[p1]: %d\n",  assoc_array[p1]);
75 	printf("assoc_array[p2]: %d\n",  assoc_array[p2]);
76 
77 	exit(0);
78 }
79