summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.c-torture/execute/921204-1.c
blob: a7bba830a34ca0f794986d772560e610d99c147e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
/* The bit-field below would have a problem if __INT_MAX__ is too
   small.  */
#if __INT_MAX__ < 2147483647
int
main (void)
{
  exit (0);
}
#else
typedef struct {
  unsigned b0:1, f1:17, b18:1, b19:1, b20:1, f2:11;
} bf;

typedef union {
  bf b;
  unsigned w;
} bu;

bu
f(bu i)
{
  bu o = i;

  if (o.b.b0)
    o.b.b18 = 1,
    o.b.b20 = 1;
  else
    o.b.b18 = 0,
    o.b.b20 = 0;

  return o;
}

main()
{
  bu a;
  bu r;

  a.w = 0x4000000;
  a.b.b0 = 0;
  r = f(a);
  if (a.w != r.w)
    abort();
  exit(0);
}
#endif