* hash.c (rb_hash_size): use RHASH_SIZE().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41927 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri Jul 12 00:20:00 2013  Masaki Matsushita  <glass.saga@gmail.com>
+
+	* hash.c (rb_hash_size): use RHASH_SIZE().
+
 Fri Jul 12 00:08:24 2013  Masaki Matsushita  <glass.saga@gmail.com>
 
 	* hash.c (rb_hash_values): set array capa to RHASH_SIZE().

hash.c

@@ -1379,9 +1379,7 @@ rb_hash_replace(VALUE hash, VALUE hash2)
 static VALUE
 rb_hash_size(VALUE hash)
 {
-    if (!RHASH(hash)->ntbl)
-        return INT2FIX(0);
-    return INT2FIX(RHASH(hash)->ntbl->num_entries);
+    return INT2FIX(RHASH_SIZE(hash));
 }