1  #include "tree-vect.h"
       2  
       3  int a, b, c;
       4  short fn1(int p1, int p2) { return p1 + p2; }
       5  
       6  int main() {
       7    check_vect ();
       8    a = 0;
       9    for (; a < 30; a = fn1(a, 4)) {
      10      c = b;
      11      b = 6;
      12    }
      13  
      14    if (c != 6)
      15      abort ();
      16  
      17    return 0;
      18  }