bug#66151: 29.1.50; daemon crashing after X forwarding disconnects

[George P]

This is the trace I get (similar to Ben's):

Thread 1 "emacs" received signal SIGSEGV, Segmentation fault.
0x0000000000506a94 in realize_basic_faces ()
(gdb) where
#0  0x0000000000506a94 in realize_basic_faces ()
#1  0x000000000050979d in recompute_basic_faces ()
#2  0x000000000068b172 in Fset_fontset_font ()
#3  0x00000000005ecdc6 in eval_sub ()
#4  0x00000000005eef49 in Feval ()
#5  0x00007ffff23830d8 in F6576616c2d65787072657373696f6e_eval_expression_0 ()
   from 
/nix/store/1db10dgbfwzb5q3m78f497arkpv34y21-emacs-29.1/bin/../lib/emacs/29.1/native-lisp/29.1-41778d84/preloaded/simple-fab5b0cf-a050dc2b.eln
#6  0x00000000005e8d61 in Ffuncall ()
#7  0x00000000005e4c41 in Ffuncall_interactively ()
#8  0x00000000005e8d61 in Ffuncall ()
#9  0x00000000005e8f80 in Fapply ()
#10 0x00000000005e65c3 in Fcall_interactively ()
#11 0x00007ffff23876dd in F636f6d6d616e642d65786563757465_command_execute_0 ()
   from 
/nix/store/1db10dgbfwzb5q3m78f497arkpv34y21-emacs-29.1/bin/../lib/emacs/29.1/native-lisp/29.1-41778d84/preloaded/simple-fab5b0cf-a050dc2b.eln
#12 0x00000000005e8d61 in Ffuncall ()
#13 0x000000000056c05c in command_loop_1 ()
#14 0x00000000005e75af in internal_condition_case ()
#15 0x0000000000556ec6 in command_loop_2 ()
#16 0x00000000005e7513 in internal_catch ()
#17 0x0000000000556e61 in command_loop ()
#18 0x000000000055b9eb in recursive_edit_1 ()
#19 0x000000000055bd6f in Frecursive_edit ()
#20 0x000000000042d184 in main ()

This is probably not that useful without debug symbols though....