!752

sclass A {
  S a;
  
  [stdEq]
}

sclass B extends A {
  S b;
  
  [stdEq]
}

static int n = 200000;

p {
  new L l;
  for (int i = 0; i < n; i++) {
    l.add(nu(A, a := "AAA"));
    l.add(nu(B, a := "ABC", b := "DEF"));
  }
  structure_showTiming = true;
  S s = structure(l);
  print("Have " + l(s) + " chars (" + n*2 + " objects)");
  l = null;
  
  for i to 6: { // give Server VM time to optimize
    time {
      unstructure(s);
    }
    print("\n==\n");
  }
  
  print("OK");
  killVM();
}

Began life as a copy of #1005590