Subject: Re: bug#27016: possible bug in `defsetf'

From: Stefan Monnier <[email-masked]>
Date: Tue, 11 Jul 2017 12:21:41 -0400

> -           (gf (function-get head 'gv-expander 'autoload)))
> +           (gf (or (alist-get head (alist-get :gv-expands
> +                                              (bound-and-true-p
> +                                               byte-compile-macro-environment)))
> +                   (function-get head 'gv-expander 'autoload))))

I think a better avenue would be to change function-put and function-get
to DTRT.

        Stefan