1foo (void)
2{
3 int i, x, y, z;
4
5 x = 0;
6 y = 1;
7 i = 0;
8
9 while (i < 2)
10   i++;
11
12 x = i;
13 y = 2 * x;
14 z = x + y;
15 y = x + z;
16 x = 9;
17 y = 10;
18}
19
20main ()
21{
22  int a = 1;
23  foo ();
24  a += 2;
25  return 0;
26}
27