bug#30699: 26.0.91; buffer contents flicker on macOS frames when frames are resized

[Aaron Jensen]

On Tue, Mar 20, 2018 at 11:32 PM, Eli Zaretskii <eliz@gnu.org> wrote:
>> CGSUpdateManager::enable_update(unsigned long long) + 320
>
> That's an internal NS function, isn't it?

Yeah, it was probably a red herring.

> AFAIU, the important part is this:
>
>> 10  org.gnu.Emacs                     0x00000001000bb44e handle_sigsegv + 168
>> 11  libsystem_platform.dylib          0x00007fff5f781f5a _sigtramp + 26
>> 12  ???                               000000000000000000 0 + 0
>> 13  com.apple.AppKit                  0x00007fff351c0d9d
>> -[NSApplication run] + 812
>> 14  org.gnu.Emacs                     0x00000001001795b2 -[EmacsApp run] + 
>> 373
>> 15  org.gnu.Emacs                     0x000000010018434f ns_read_socket + 536
>> 16  org.gnu.Emacs                     0x00000001000ac523 gobble_input + 234
>
> Why does [EmacsApp run] trigger a SIGSEGV?

For posterity, as i know you've seen it, but see bug#30800 which is this crash.