Your bug report

#76969: kill-buffer fails silently when a thread exists where it's current

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

The explanation is attached below, along with your original report.
If you require more details, please reply to 76969@debbugs.gnu.org.

-- 
76969: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=76969
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