* 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, 2 insertions, 1 deletions

diff --git a/object.c b/object.c
index 03cff7b4a3..f7d96e238f 100644
--- a/object.c
+++ b/object.c
@@ -1343,10 +1343,11 @@ rb_class_initialize(int argc, VALUE *argv, VALUE klass)
     if (RCLASS_SUPER(klass) != 0) {
 	rb_raise(rb_eTypeError, "already initialized class");
     }
-    if (rb_scan_args(argc, argv, "01", &super) == 0) {
+    if (argc == 0) {
 	super = rb_cObject;
     }
     else {
+	rb_scan_args(argc, argv, "01", &super);
 	rb_check_inheritable(super);
     }
     RCLASS_SUPER(klass) = super;