Subject: Re: bug#40088: 27.0.90; Symbol’s value as variable is void: debugger-outer-match-data

From: Noam Postavsky <[email-masked]>
Date: Mon, 23 Mar 2020 10:34:16 -0400

Eli Zaretskii <[email-masked]> writes:

> So only backtrace-related functions can bump into this?  The root
> cause sounded much more general to me.

Yes, it's backtrace-related functions.  The function with the problem,
backtrace_eval_unrewind, is accessible to Lisp only via backtrace--locals
and backtrace-eval.