summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.c-torture/execute/941014-2.c
blob: 3932a34ce92482a308aa0efbd3d8e98274156dc7 (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
#include <stdio.h>
#include <stdlib.h>

typedef struct {
  unsigned short a;
  unsigned short b;
} foo_t;

void a1 (unsigned long offset) {}

volatile foo_t *
f ()
{
  volatile foo_t *foo_p = (volatile foo_t *)malloc (sizeof (foo_t));

  a1((unsigned long)foo_p-30);
  if (foo_p->a & 0xf000)
    printf("%d\n", foo_p->a);
  foo_p->b = 0x0100;
  a1 ((unsigned long)foo_p + 2);
  a1 ((unsigned long)foo_p - 30);
  return foo_p;
}

main ()
{
  volatile foo_t *foo_p;

  foo_p = f ();
  if (foo_p->b != 0x0100)
    abort ();
  exit (0);
}