* io.c (rb_io_s_foreach): argument count check before making

  Enumerator.  [ruby-dev:31525]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13119 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/io.c b/io.c
index e78fd6c5f6..069ba21df0 100644
--- a/io.c
+++ b/io.c
@@ -5185,8 +5185,8 @@ rb_io_s_foreach(int argc, VALUE *argv, VALUE self)
     VALUE fname;
     struct foreach_arg arg;
 
-    RETURN_ENUMERATOR(self, argc, argv);
     rb_scan_args(argc, argv, "12", &fname, NULL, NULL);
+    RETURN_ENUMERATOR(self, argc, argv);
     FilePathValue(fname);
     arg.io = rb_io_open(RSTRING_PTR(fname), "r");
     if (NIL_P(arg.io)) return Qnil;