struct Test {
  int[] xs;
  int y;
  int[] zs
}

global arr_x = new int[] {3,4,5};
global arr_z = new int[] {4,5,6};

int program(int argc, string[] argv) {
  var t = new Test {xs=arr_x; y=3; zs=arr_z};
  return t.xs[0] * t.zs[1];
}