bug#76238: 31.0.50; feature/igc: crash #2, 2025-02-12

[Eli Zaretskii]

> Date: Fri, 14 Feb 2025 15:15:36 +0000
> From:  Pip Cet via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> "Oliver Reiter via \"Bug reports for GNU Emacs, the Swiss army knife of text 
> editors\"" <bug-gnu-emacs@gnu.org> writes:
> 
> This is one of a number of bugs in which a string data object is
> recycled but the string metadata object is still present.

Why and how does this happen?

And if it can happen for strings, can't it also happen for other Lisp
objects?