Please find the specific file that causes the crash attached to this email. Steps to reproduce:
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(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
* frame #0: 0x00000001001a11c5 emacs`builtin_lisp_symbol(index=<unavailable>) at lisp.h:1033:10 [opt]
frame #1: 0x00000001001a0e10 emacs`NILP(x=0x0000000000000000) at lisp.h:1400:10 [opt]
frame #2: 0x00000001001a566a emacs`CHAR_TABLE_REF_ASCII(ct=0x0000000102613d85, idx=110) at lisp.h:2040:11 [opt]
frame #3: 0x00000001001a1061 emacs`CHAR_TABLE_REF(ct=<unavailable>, idx=<unavailable>) at lisp.h:2054:6 [opt]
frame #4: 0x00000001001a25ec emacs`composition_compute_stop_pos(cmp_it=<unavailable>, charpos=9242, bytepos=<unavailable>, endpos=<unavailable>, string=<unavailable>) at composite.c:1024:10 [opt]
frame #5: 0x0000000100044cf1 emacs`compute_stop_pos(it=<unavailable>) at xdisp.c:3960:7 [opt]
frame #6: 0x00000001000441a2 emacs`handle_stop(it=0x00007ffeefbf9e28) at xdisp.c:3820:5 [opt]
frame #7: 0x00000001000475c6 emacs`next_element_from_buffer(it=0x00007ffeefbf9e28) at xdisp.c:8791:4 [opt]
frame #8: 0x000000010001ea5a emacs`get_next_display_element(it=0x00007ffeefbf9e28) at xdisp.c:7383:15 [opt]
frame #9: 0x000000010002eadf emacs`display_line(it=<unavailable>, cursor_vpos=<unavailable>) at xdisp.c:23248:12 [opt]
frame #10: 0x000000010002e549 emacs`try_window(window=0x0000000101153835, pos=<unavailable>, flags=1) at xdisp.c:19199:11 [opt]
frame #11: 0x0000000100050ff0 emacs`redisplay_window(window=0x0000000101153835, just_this_one_p=false) at xdisp.c:18617:8 [opt]
frame #12: 0x000000010004fb76 emacs`redisplay_window_0(window=<unavailable>) at xdisp.c:16331:5 [opt]
frame #13: 0x0000000100144d96 emacs`internal_condition_case_1(bfun=(emacs`redisplay_window_0 at xdisp.c:16329), arg=0x0000000101153835, handlers=<unavailable>, hfun=(emacs`redisplay_window_error at xdisp.c:16322)) at eval.c:1380:25 [opt]
frame #14: 0x000000010004ed54 emacs`redisplay_windows(window=0x0000000101153835) at xdisp.c:16311:4 [opt]
frame #15: 0x000000010002b640 emacs`redisplay_internal at xdisp.c:15779:5 [opt]
frame #16: 0x000000010002d991 emacs`redisplay_preserve_echo_area(from_where=8) at xdisp.c:16128:7 [opt]
frame #17: 0x00000001000c4fa3 emacs`detect_input_pending_run_timers(do_display=true) at keyboard.c:10371:5 [opt]
frame #18: 0x0000000100189ed4 emacs`wait_reading_process_output(time_limit=<unavailable>, nsecs=0, read_kbd=<unavailable>, do_display=true, wait_for_cell=0x0000000000000000, wait_proc=<unavailable>, just_wait_proc=0) at process.c:5708:8 [opt]
frame #19: 0x0000000100008bed emacs`sit_for(timeout=<unavailable>, reading=<unavailable>, display_option=<unavailable>) at dispnew.c:6064:3 [opt]
frame #20: 0x00000001000c41f7 emacs`read_char(commandflag=1, map=0x0000000124027103, prev_event=0x0000000000000000, used_mouse_menu=0x00007ffeefbff467, end_time=0x0000000000000000) at keyboard.c:2738:11 [opt]
frame #21: 0x00000001000c0d83 emacs`read_key_sequence(keybuf=<unavailable>, prompt=0x0000000000000000, dont_downcase_last=false, can_return_switch_frame=false, fix_current_buffer=true, prevent_redisplay=false) at keyboard.c:9554:12 [opt]
frame #22: 0x00000001000bff33 emacs`command_loop_1 at keyboard.c:1350:15 [opt]
frame #23: 0x0000000100144d22 emacs`internal_condition_case(bfun=(emacs`command_loop_1 at keyboard.c:1236), handlers=<unavailable>, hfun=(emacs`cmd_error at keyboard.c:919)) at eval.c:1356:25 [opt]
frame #24: 0x00000001000cecae emacs`command_loop_2(ignore=0x0000000000000000) at keyboard.c:1091:11 [opt]
frame #25: 0x00000001001448cb emacs`internal_catch(tag=<unavailable>, func=(emacs`command_loop_2 at keyboard.c:1087), arg=0x0000000000000000) at eval.c:1117:25 [opt]
frame #26: 0x00000001001f7e2a emacs`command_loop.cold.1 at keyboard.c:1070:2 [opt]
frame #27: 0x00000001000bf42e emacs`command_loop at keyboard.c:0 [opt]
frame #28: 0x00000001000bf354 emacs`recursive_edit_1 at keyboard.c:714:9 [opt]
frame #29: 0x00000001000bf55e emacs`Frecursive_edit at keyboard.c:786:3 [opt]
frame #30: 0x00000001000bd818 emacs`main(argc=<unavailable>, argv=0x00007ffeefbff888) at emacs.c:2067:3 [opt]
frame #31: 0x00007fff203bbf3d libdyld.dylib`start + 1
frame #32: 0x00007fff203bbf3d libdyld.dylib`start + 1
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