==================
Unnamed .new() call stays a flat selector chain
==================

void main() {
  var x = Random.new().nextInt(256);
}

---

(program
  (function_signature
    (void_type)
    (identifier)
    (formal_parameter_list))
  (function_body
    (block
      (local_variable_declaration
        (initialized_variable_definition
          (inferred_type)
          (identifier)
          (identifier)
          (selector
            (unconditional_assignable_selector
              (identifier)))
          (selector
            (argument_part
              (arguments)))
          (selector
            (unconditional_assignable_selector
              (identifier)))
          (selector
            (argument_part
              (arguments
                (argument
                  (decimal_integer_literal))))))))))
