bug#38031: 26.3; Trying to invoke the macOS File Open window causes Emacs to crash on macOS Catalina

[Alan Third]

On Fri, Jan 17, 2020 at 06:49:20PM -0500, Michael Dixon wrote:
> 
> > On Jan 17, 2020, at 1:53 PM, Alan Third <alan@idiocy.org> wrote:
> > 
> > On Wed, Jan 15, 2020 at 04:48:56PM -0500, Michael Dixon wrote:
> >> 
> >>> 
> >>> That’s good.
> >>> 
> >>> I suppose it just leaves the question of whether we disable this for
> >>> macOS 10.15, or if we just get rid of it altogether. My understanding
> >>> is that all it does is allow the use of C-g to quit the file open and
> >>> save dialogues. I don’t see much reason to keep it, but if anyone
> >>> actually uses this let me know.
> >> 
> >> And sorry, just to complicate things, it looks like the patch fixed
> >> anything related to File > Open. But I just tried to use the menu to
> >> do a File > Save as… and that still resulted in a crash. File > Save
> >> worked fine though.
> > 
> > Can you send the crash report for this? It can’t be for the same Classes.
> 
> I’m going to attach the macOS crash report, which is just plain text.
> 
> The part I can understand does look the same as what I was seeing before:
> 
> Application Specific Information:
> *** Terminating app due to uncaught exception 
> 'NSObjectNotAvailableException', reason: 'EmacsSavePanel is not a supported 
> subclass for sandboxing'
> abort() called
> terminating with uncaught exception of type NSException
> 
> Is it possible EmacsSavePanel is used somewhere else?

When I grep the source tree with the patch applied EmacsSavePanel
isn’t found anywhere. Is it possible the patch didn’t apply correctly?
Can you do a grep to see if it’s mentioned anywhere?
-- 
Alan Third