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: Bit-field will be automatically promoted to the next largest
29  * integer type for use in any expression and then the value assigned will
30  * warp around the maximum number assignable to the data type.
31  *
32  * SECTION: Structs and Unions/Bit-Fields
33  */
34 
35 #pragma D option quiet
36 
37 struct bitRecord{
38 	int a : 1;
39 	int b : 15;
40 	int c : 31;
41 } var;
42 
43 BEGIN
44 {
45 	var.a = 256;
46 	var.b = 65536;
47 	var.c = 4294967296;
48 
49 	printf("bitRecord.a: %d\nbitRecord.b: %d\nbitRecord.c: %d\n",
50 	var.a, var.b, var.c);
51 	exit(0);
52 }
53 
54 END
55 /(0 != var.a) || (0 != var.b) || (0 != var.c)/
56 {
57 	exit(1);
58 }
59