Subject: Re: bug#70423: Possible workaround/culprit

From: Dmitry Gutov <[email-masked]>
Date: Tue, 16 Apr 2024 21:31:18 +0300

On 16/04/2024 18:52, pillowtrucker--- via Bug reports for GNU Emacs, the 
Swiss army knife of text editors wrote:
> I have now filed a bug with hyperbole 
> https://github.com/rswgnu/hyperbole/issues/518 
> <https://github.com/rswgnu/hyperbole/issues/518>, as disabling that 
> package seems to stop the hangs. Not 100% sure if it's their bug or 
> cc-mode now, but I haven't been able to trigger the behaviour since then.

According to your link to the hyperbole repo, it indeed now seems to 
have been caused by it:

https://github.com/rswgnu/hyperbole/blob/master/hui-select.el#L404

It alters defun-prompt-regexp in c++-mode-hook.