File: loop-5.c

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gcc-arm-none-eabi 15%3A12.2.rel1-1
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static int ap(int i);
static void testit(void){
  int ir[4] = {0,1,2,3};
  int ix,n,m;
  n=1; m=3;
  for (ix=1;ix<=4;ix++) {
    if (n == 1) m = 4;
    else        m = n-1;
    ap(ir[n-1]);
    n = m;
  }
}

static int t = 0;
static int a[4];

static int ap(int i){
  if (t > 3)
    abort();
  a[t++] = i;
  return 1;
}

int main(void)
{
  testit();
  if (a[0] != 0)
    abort();
  if (a[1] != 3)
    abort();
  if (a[2] != 2)
    abort();
  if (a[3] != 1)
    abort();
  exit(0);
}