Your bug report

#24012: 25.0.95; forward-comment backwards takes O(n^2)

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 24012@debbugs.gnu.org.

-- 
24012: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=24012
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