* numeric.c (fix_to_s): avoid rb_scan_args() when no argument

  given. 
* bignum.c (rb_big_to_s): ditto.
* enum.c (enum_first): ditto.
* eval_jump.c (rb_f_catch): ditto.
* io.c (rb_obj_display): ditto.
* class.c (rb_obj_singleton_methods): ditto.
* object.c (rb_class_initialize): ditto.
* random.c (rb_f_srand): ditto.
* range.c (range_step): ditto.
* re.c (rb_reg_s_last_match): ditto.
* string.c (rb_str_to_i): ditto.
* string.c (rb_str_each_line): ditto.
* string.c (rb_str_chomp_bang): ditto.
* string.c (rb_str_sum): ditto.

* string.c (str_modifiable): declare inline.
* string.c (str_independent): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15691 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 2 deletions

diff --git a/enum.c b/enum.c
index ee392ff737..5e04acbf29 100644
--- a/enum.c
+++ b/enum.c
@@ -573,12 +573,11 @@ enum_first(int argc, VALUE *argv, VALUE obj)
 {
     VALUE n, ary[2];
     
-    rb_scan_args(argc, argv, "01", &n);
-
     if (argc == 0) {
 	ary[0] = ary[1] = Qnil;
     }
     else {
+	rb_scan_args(argc, argv, "01", &n);
 	ary[0] = n;
 	ary[1] = rb_ary_new2(NUM2LONG(n));
     }