rb_alias         756 class.c            rb_alias(klass, rb_intern(name1), rb_intern(name2));
rb_alias         1748 eval.c             rb_alias(mod, rb_to_id(newname), rb_to_id(oldname));
rb_alias         3279 eval.c         	rb_alias(ruby_class, node->nd_new, node->nd_old);