bug#63107: 30.0.50; display-buffer-in-childframe sometimes crashes Emacs on Mac

[Yuan Fu]

> On Apr 28, 2023, at 12:35 PM, Alan Third <alan@idiocy.org> wrote:
> 
> On Thu, Apr 27, 2023 at 01:36:28PM -0700, Yuan Fu wrote:
>> 
>>> 
>>> Entirely untested patch attached. I can't even try compiling it.
>>> 
>>> Good luck.
>> 
>> Uh oh, I tried it and it crashed on startup.
> 
> I did say it was untested. ;)
> 
> I made a silly mistake. Updated patch attached.

Compiles and runs perfectly. Solves the display-buffer-in-child-frame crash 
too. I’ll be running with this for a couple of days. Any particular operations 
I could test to expose potential problems?

Yuan