bug#45103: [feature/native-comp] add re-dumping support

[Andrea Corallo <acorallo@gnu.org>]

Andrea Corallo <acorallo@gnu.org> writes:

> Y Qu <yqu212@gmail.com> writes:
>
>> Dear maintainers:
>>
>> I try to use pdumper together with native-comp but fail.
>>
>> To reproduce:
>>
>>     $ emacs --batch -Q -eval '(dump-emacs-portable "~/.emacs.d/.cache/dumps/emacs.pdmp")'
>>     $ emacs --dump-file=~/.emacs.d/.cache/dumps/emacs.pdmp
>>
>> You can get the following message:
>>
>>     emacs: Trying to load incoherent dumped eln file
>> /usr/sbin/../lib/emacs/28.0.50/native-lisp/28.0.50-x86_64-pc-linux-gnu-8fc0b1a455d90f52078950afaab3b40e/lisp-mode-410874a46ab8852855281f021ca61fe7-0babcd5810b0347a56a4b722059f6199.eln
>>
>>
>> This issue appears on build from both chaotic-aur/emacs-pgtk-native-comp and archlinuxcn/emacs-native-comp.
>>
>> Thank you for your time!
>>
>> Ying Qu
>
> Hello,
>
> on the line of "better later than ever" I believe I implemented the fix
> for this bug with f7d88f4a047 now on master.
>
> $ emacs --dump-file -batch ~/emacs.pdm

Sorry wanted to write:
$ emacs --batch -Q -eval '(dump-emacs-portable "~/emacs.pdmp")'

> $ emacs --dump-file ~/emacs.pdmp
>
> Works for me here therefore I'm closing this bug.
>
> Happy to reopen if necessary.
>
> Thanks!
>
>   Andrea