Your bug report

#33416: GUI (X) Emacs 26.1 locks up when '(' character is entered into a comment in (C/*l Abbrev) mode

which was filed against the emacs,cc-mode package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 33416@debbugs.gnu.org.

-- 
33416: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=33416
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