class A {
 }

class B extends A {
 }

public class killdefs {
  public static void main(String[]args) {
    B [] b = new B[50];
    A [] a = b;
    A ind = null;
    foreach (p in [0:49]) {
      B bobj = new B();
      b[p[1]] = bobj;
      ind = a[25];
      }
   if (ind == null) System.out.println("test failed");
   else System.out.println("test succeeded");
   }
 }