gcc/testsuite/gcc.c-torture/execute/loop-5.c

   1 static int ap(int i);
   2 static void testit(void){
   3   int ir[4] = {0,1,2,3};
   4   int ix,n,m;
   5   n=1; m=3;
   6   for (ix=1;ix<=4;ix++) {
   7     if (n == 1) m = 4;
   8     else        m = n-1;
   9     ap(ir[n-1]);
  10     n = m;
  11   }
  12 }
  13
  14 static int t = 0;
  15 static int a[4];
  16
  17 static int ap(int i){
  18   if (t > 3)
  19     abort();
  20   a[t++] = i;
  21   return 1;
  22 }
  23
  24 int main(void)
  25 {
  26   testit();
  27   if (a[0] != 0)
  28     abort();
  29   if (a[1] != 3)
  30     abort();
  31   if (a[2] != 2)
  32     abort();
  33   if (a[3] != 1)
  34     abort();
  35   exit(0);
  36 }