create_special_node
node_ptr newroot = node::create_special_node("", symbols);
node_ptr wrapper = node::create_special_node("__overlay__", symbols);
node_ptr fragment = node::create_special_node(fragment_address, symbols);
root->add_child(node::create_special_node("__symbols__", symbols));
root->add_child(node::create_special_node("__fixups__", symbols));
node_ptr local_fixups = node::create_special_node("__local_fixups__", symbols);
n->add_child(node::create_special_node(path, symbols));
static node_ptr create_special_node(const std::string &name,