Subject: bug#70059: 30.0.50; c-ts-mode crashes emacs

From: Felix <[email-masked]>
Date: Thu, 28 Mar 2024 21:36:54 +0100

I can reproduce it like this:
run 'emacs -Q'
open a C source file.
M-x c-ts-mode
wait a few seconds, and emacs crashes.

In GNU Emacs 30.0.50 (build 4, x86_64-pc-linux-gnu, GTK+ Version
 3.24.41, cairo version 1.18.0) of 2024-03-28
Repository revision: de9e913f9e2a1e01e5d091a553e98d75404a2246
Repository branch: makepkg
System Description: Arch Linux

Configured using:
 'configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib
 --localstatedir=/var --mandir=/usr/share/man --with-gameuser=:games
 --with-modules --without-m17n-flt --without-gconf --enable-autodepend
 --enable-link-time-optimization --with-native-compilation=yes
 --with-xinput2 --with-pgtk --without-xaw3d --with-cairo-xcb
 --with-sound=no --with-xwidgets --with-tree-sitter --without-gpm
 --without-compress-install
 '--program-transform-name=s/\([ec]tags\)/\1.emacs/'
 'CFLAGS=-march=native -mtune=generic -O3 -pipe -fno-plt -fexceptions
 -Wp,-D_FORTIFY_SOURCE=2 -Wformat -Werror=format-security
 -fstack-clash-protection -fcf-protection'
 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON
LCMS2 LIBOTF LIBSYSTEMD LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY
PDUMPER PGTK PNG RSVG SECCOMP SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS
TREE_SITTER WEBP XIM XWIDGETS GTK3 ZLIB

Important settings:
  value of $LANG: de_DE.UTF-8
  locale-coding-system: utf-8

output of 'bt full':
#0  0x0000723f6094e32c in ??? () at /usr/lib/libc.so.6
#1  0x0000723f608fd6c8 in raise () at /usr/lib/libc.so.6
#2  0x000062534cfba3f2 in terminate_due_to_signal ()
#3  0x000062534cff3ee3 in emacs_abort ()
#4  0x000062534d0a9ec8 in signal_or_quit ()
#5  0x000062534d0a9082 in Fsignal ()
#6  0x000062534d0a9061 in xsignal ()
#7  0x000062534d0a76f2 in xsignal2 ()
#8  0x000062534d080376 in wrong_type_argument ()
#9  0x000062534d02578f in Fexpand_file_name ()
#10 0x000062534d208d00 in Fdo_auto_save.8209 ()
#11 0x000062534cfba688 in shut_down_emacs ()
#12 0x000062534cfba3ba in terminate_due_to_signal ()
#13 0x000062534cff5be4 in handle_sigsegv ()
#14 0x0000723f608fd770 in <signal handler called> () at /usr/lib/libc.so.6
#15 0x000062534d063429 in process_mark_stack ()
#16 0x000062534d1649f1 in traverse_intervals_noorder ()
#17 0x000062534d063e5e in process_mark_stack ()
#18 0x000062534d063ceb in process_mark_stack ()
#19 0x000062534d063ceb in process_mark_stack ()
#20 0x000062534d064fab in mark_char_table ()
#21 0x000062534d0650f6 in mark_char_table ()
#22 0x000062534d063c0c in process_mark_stack ()
#23 0x000062534d063ceb in process_mark_stack ()
#24 0x000062534d063ceb in process_mark_stack ()
#25 0x000062534d063ceb in process_mark_stack ()
#26 0x000062534d0663be in garbage_collect ()
#27 0x000062534d11e30b in exec_byte_code ()
#28 0x000062534d0a5406 in Ffuncall ()
#29 0x000062534d0a58df in Fapply ()
#30 0x000062534d137961 in read_process_output_call ()
#31 0x000062534d0ae619 in internal_condition_case_1 ()
#32 0x000062534d137820 in exec_sentinel ()
#33 0x000062534d135d2f in status_notify ()
#34 0x000062534d13b00c in wait_reading_process_output ()
#35 0x000062534cfce3bf in kbd_buffer_get_event ()
#36 0x000062534cfca560 in read_char ()
#37 0x000062534cfc4c1b in read_key_sequence ()
#38 0x000062534cfc2829 in command_loop_1 ()
#39 0x000062534d0ae597 in internal_condition_case ()
#40 0x000062534cfc168e in command_loop_2 ()
#41 0x000062534d0ad451 in internal_catch ()
#42 0x000062534cfc163c in command_loop ()
#43 0x000062534cfc14a6 in recursive_edit_1 ()
#44 0x000062534cfd8707 in Frecursive_edit ()
#45 0x000062534cfbf419 in main ()