!752

sclass QuickThrowable extends Throwable {
  public Throwable fillInStackTrace() { ret this; }
}

static int n = 1000000;
static O o;

// Difference might be even bigger than factor 100 with longer stack traces.

p {
  twice {
    time {
      for i to n: o = new Throwable;
    }
    
    time {
      for i to n: o = new QuickThrowable;
    }
  }
}