bug#48181: incremental autoloads update can put output in wrong file

[Stefan Monnier]

> 3) make-directory-autoloads correctly finds that texnfo-upd.el is newer
> than loaddefs.el, so we execute this branch:
>   
>   (t
>    (setq changed t)
>    (autoload-remove-section (match-beginning 0))
>    (if (autoload-generate-file-autoloads
>          ;; Passing `current-buffer' makes it insert at point.   
>          file (current-buffer) buffer-file-name)
>         (push file no-autoloads)))
>
> Because a non-nil OUTBUF is passed to autoload-generate-file-autoloads,
> it ignores the buffer-local setting for generated-autoload-file,
> and so puts the autoloads in the main loaddefs.el file, which is wrong.

Yep, sounds like you found of the bug.


        Stefan