Subject: bug#23607: Please apply this patched function to package.el in Emacs 25.

From: Stefan Monnier <[email-masked]>
Date: Thu, 21 Jul 2016 00:40:40 -0400

>> FWIW, I think this will break the dash package which includes
>> a dev/ert.el file with autoload cookies in it and those shouldn't be
>> placed into the dash-autoloads.el file.
> What kind of breakage do you have in mind?

The autoloads for the real ert.el will be overridden by those from
dash-autoloads.el which will say that for example that ert-deftest
should be autoloaded from "dev/ert.el".

        Stefan