eval.c:6355
static VALUE
top_include(argc, argv, self)
    int argc;
    VALUE *argv;
    VALUE self;
{
    rb_secure(4);
    if (ruby_wrapper) {
	rb_warn("main#include in the wrapped load is effective only for toplevel");
	return rb_obj_extend(argc, argv, self);
    }
    else {
	return rb_mod_include(argc, argv, rb_cObject);
    }
}
