bug#38748: 28.0.50; crash on MacOS 10.15.2

[Andrii Kolomoiets]

On 9 Jan 2020, at 16:16, Pip Cet <pipcet@gmail.com> wrote:
> 
> On Thu, Jan 9, 2020 at 1:51 PM Andrii Kolomoiets <andreyk.mad@gmail.com> 
> wrote:
>> Here is the '~/emacs-crash.el' content:
>> (make-frame `((parent-frame . ,(window-frame))))
>> (make-frame `((parent-frame . ,(window-frame))))
>> (make-frame `((parent-frame . ,(window-frame))))
>> (make-frame `((parent-frame . ,(window-frame))))
>> (delete-frame)
>> (delete-frame)
>> (delete-frame)
>> (delete-frame)
>> (garbage-collect)
> 
> That sounds like Robert's bug, but not like the one that's related to
> the "x = false" thing.
> 
> Can you try the attached patch?
> <38748.diff>

The patch resolves the later crash.

Now I going to build b2949d39261e82c33572ba8a250298ef0b165b95 again and try to 
catch the former crash.

Thanks!