fun spiral_main(): Int { var v0: Int = 0 v0 = 42 var v1: Int = 0 v1 = (v0 - 42) return v1 } fun main() { var spiral_exit_code = 0 val spiral_thread = Thread(null, { spiral_exit_code = spiral_main() }, "spiral_main", 1L shl 30) spiral_thread.start() spiral_thread.join() System.exit(spiral_exit_code) }