bug#52240: 29.0.50; Build failure after 35075267a6

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

>> Hm -- this works fine on Debian.  Does this mean that we can't use the
>> \N{...} things in source code, or does the w32 Emacs have to be set up
>> in a different way?

> It builds fine here, but I didn't try bootstrapping.

FWIW, I saw two people experience this issue, but bootstrapping made it
work for one of them.  One was running Arch "Linux", and the other was
running macOS.