Hello,

On Wed, Oct 24, 2012 at 9:26 AM, Rodrigo Rosenfeld Rosas
<rr.rosas / gmail.com> wrote:
>> #6265 was accepted.  We need a warning patch.  Will you create?

Endoh-san already created such a patch I believe,
http://bugs.ruby-lang.org/issues/6265#note-9