# Return a new uninitialized local RuntimeVariable with `name`
	fun decl_var(name: String, mtype: MType): RuntimeVariable do
		var res = new RuntimeVariable(name, mtype, mtype)
		res.is_boxed = not mtype.is_java_primitive
		add("{mtype.java_type} {name} /* : {mtype} */;")
		return res
	end