bug#59794: 29.0.60; NSport segfaults when a fullscreen frame is being closed)

[Po Lu]

"Steven E. Harris" <seh@panix.com> writes:

> Using Emacs version 30.0.50 on macOS, reported by "emacs-version" as
>
>  GNU Emacs 30.0.50 (build 1, x86_64-apple-darwin18.7.0, NS appkit-1671.60 
> Version 10.14.6 (Build 18G95)) of 2023-01-09
>
> for the “emacs-nightly” Homebrew formula, I find that this failure still 
> occurs regularly, whether or not the frame being closed was full-screen
> or not. Specifically, when magit opens a new frame to capture a Git commit 
> message, and I complete the message by pressing “C-c C-c,” the
> frame closes, and then Emacs crashes.
>
> Please find the captured crash report attached here.

Thanks, but please run Emacs under a debugger and send a backtrace from
there instead.  I suspect this is a different bug.

GDB is supposedly not readily available for Mac OS anymore.  Gerd, could
you please explain to Steven how to debug Emacs with lldb?

Thanks.