bug#58883:

Po Lu via CC-Mode-help <[email protected]> Fri, 11 Nov 2022 08:48:12 +0800
Newsgroups gmane.emacs.cc-mode.general
Message-ID <[email protected]>
Alan Mackenzie <[email protected]> writes:

> OK, I think I understand the problem now.  I'll try to come up with a way
> of "cancelling" these "typo" found-types.

Thanks a lot!

> In the meantime, can I ask you to apply the attached patch?  This
> reverses an "optimisation" from 2022-10-04, which fontified identifiers
> as types without full analysis.  It won't solve the problem, but it might
> make things more bearable for the next few days.

Yes, I will, thanks!

> Also, as I've mentioned before, there's a CC Mode hack where making a
> buffer change at point-min clears c-found-types.  Again not ideal, but it
> might be better than nothing, for now.

Thanks.  Unfortunately, since I updated to Emacs 29, the following has
already entrenched itself into my muscle memory:

  M-x c-mode RET