/* gcc34 -m32 -O2 -march=i386 -mtune=pentium4 */
#include <stdlib.h>

struct S
{
  unsigned int s1 : 8, s2 : 10;
  unsigned int s3 : 1, s4 : 1, s5 : 1, s6 : 1;
};

int test (struct S *s, int n)
{
  int i, ret;
  i = 0, ret = 0;
  while (++i < n && s[i].s1 == 1 && s[i].s5)
    ++ret;
  return ret;
}

int main (void)
{
  struct S *s = malloc (4 * sizeof (struct S));
  int i;
  for (i = 0; i < 4; ++i)
    {
      s[i].s1 = (i + 2) / 2;
      if (i < 2)
        s[i].s5 = 1;
    }
  return test (s, 4) != 1;
}