Re: cl-lib warnings

[Juri Linkov]

> IOW, it's becoming difficult to be warned by the compiler about missing
> `(require 'cl-lib)` :-(
>
> Looking at historical evolution, I think the sanest way to fix this is
> to preload `cl-lib`.

These cl-related files are already preloaded:

- emacs-lisp/cl-preloaded with byte-compiled size 29482;
- emacs-lisp/cl-generic with byte-compiled size 66127;

So maybe it's not a problem to preload cl-lib
with byte-compiled size 19861.