bug#5490: 23.1.91; CC Mode, after a while, everything is topmost-intro.

[Andrew Hyatt]

Jan Djärv <jan.h.d@swipnet.se> writes:

> Hello.
>
> FWIW, this bug is still present in the trunk.  I see it 5-8 times per day.
> Revert buffer sometimes work to get back on track, but for the majority of
> cases, I have to kill the buffer and reopen the file for cc-mode to work 
> again.
>
>       Jan D.

Hi, I've been using cc-mode every day for the past few years at
work, and I don't recall seeing this bug either in Emacs 24 or 25.  Has
anyone reproduced this lately?