1 // GROUPS passed bit-fields
2 // bitfield file
3 // Message-Id: <92Oct29.191913est.62@jarvis.csri.toronto.edu>
4 // From: mdivax1!robinson@ai.mit.edu (Jim Robinson)
5 // Subject: gcc 2.2.2 C++ bug in handling :0 bit fields
6 // Date: Thu, 29 Oct 1992 19:18:28 -0500
7 //
8 // Also applies to:
9 // bitfield file
10 // From: Jaimie Wilson/MSL <Jaimie_Wilson@msl.isis.org>
11 // Date: Fri, 28 Jan 1994 06:11:43 -0500
12 // Subject: GCC bug report
13 //
14 // This test is only meant for targets where EMPTY_FIELD_BOUNDARY is
15 // defined to no larger than the size of an unsigned int, or where
16 // PCC_BITFIELD_TYPE_MATTERS is defined. Add skips below for targets that
17 // do not have that property.
18 // Skip if target: mmix-knuth-mmixware
19
20
21 #include <stdio.h>
22 #include <stddef.h>
23
24 struct foo {
25 char a;
26 char b;
27 unsigned int : 0; /* force word alignment */
28 char c;
29 };
30
31 int
main(int argc,char ** argv)32 main(int argc, char **argv)
33 {
34 struct foo bar;
35
36 if (offsetof (struct foo, c) > sizeof (unsigned int))
37 { printf ("FAIL\n"); return 1; }
38 else
39 printf ("PASS\n");
40 return 0;
41 }
42
43