From 09ef29a78fc960eaec1ecafbeef75b6eb29abf96 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 5 Dec 2018 01:09:44 +0000
Subject: Prefer rb_check_arity when 0 or 1 arguments

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66205 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 object.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'object.c')

diff --git a/object.c b/object.c
index 0160151d3e..5fa5322811 100644
--- a/object.c
+++ b/object.c
@@ -2061,11 +2061,11 @@ rb_class_initialize(int argc, VALUE *argv, VALUE klass)
     if (RCLASS_SUPER(klass) != 0 || klass == rb_cBasicObject) {
 	rb_raise(rb_eTypeError, "already initialized class");
     }
-    if (argc == 0) {
+    if (rb_check_arity(argc, 0, 1) == 0) {
 	super = rb_cObject;
     }
     else {
-	rb_scan_args(argc, argv, "01", &super);
+        super = argv[0];
 	rb_check_inheritable(super);
 	if (super != rb_cBasicObject && !RCLASS_SUPER(super)) {
 	    rb_raise(rb_eTypeError, "can't inherit uninitialized class");
-- 
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