bug#41646: Startup in Windows is very slow when load-path contains many

[Eli Zaretskii]

> From: Lin Sun <sunlin7.mail@gmail.com>
> Date: Fri, 1 Nov 2024 07:49:00 +0000
> Cc: Eli Zaretskii <eliz@gnu.org>, stefankangas@gmail.com, acorallo@gnu.org, 
>       41646@debbugs.gnu.org, monnier@gnu.org
> 
> 2. extend the load-path to be a directory with its file list. That
> means one "load-path" entry can be a string to represent a directory
> path, or a directory with its files. Here is an example as below, the
> first entry is a list, path1 and its loadable files (without
> extensions); the second entry is a string for path, a traditional
> entry of "load-path".
> 
> '( ("<path1>" "file1" "file2)
>    "<path2>")

How will the '"file1" "file2" ...' part be created?