Eli Zaretskii <eliz@gnu.org> writes:
> Thanks.  I guess we also need a FRAME_LIVE_P test in
> gui_consider_frame_title?

I've attached a patch for that but note that it doesn't actually help in
this situation because the frame isn't deleted until:

https://git.savannah.gnu.org/cgit/emacs.git/tree/src/frame.c?h=2f1052d9b0de551dc3a463ed54e21c63517497ab#n2536

Whereas the crash happens here, 36 lines above:

https://git.savannah.gnu.org/cgit/emacs.git/tree/src/frame.c?h=2f1052d9b0de551dc3a463ed54e21c63517497ab#n2500