* iseq.c (iseq_s_load): fix mysterious bug.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52953 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Tue Dec  8 23:04:02 2015  Koichi Sasada  <ko1@atdot.net>
+
+	* iseq.c (iseq_s_load): fix mysterious bug.
+
 Tue Dec  8 22:31:58 2015  Koichi Sasada  <ko1@atdot.net>
 
 	* introduce new ISeq binary format serializer/de-serializer

iseq.c

@@ -587,7 +587,7 @@ static VALUE
 iseq_s_load(int argc, VALUE *argv, VALUE self)
 {
     VALUE data, opt=Qnil;
-    rb_scan_args(argc, argv, "01", &opt);
+    rb_scan_args(argc, argv, "11", &data, &opt);
     return iseq_load(data, NULL, opt);
 }