class A {
 }

class B extends A {
 }

public class killdefs {
  public static void main(String[]args) {
    B [2d][2d] b = new B[1:10,1:10][1:10,1:10];
    B [1d] a = b[[5,5]].slice(1,5);
    B ind = null;
    B bobj = new B();
    foreach (p in [1:10]) {
      b[[5,5]][[5,p[1]]] = bobj;
      ind = a[5];
      }
   if (ind != bobj) System.out.println("test failed");
   else System.out.println("test succeeded");
   }
 }