Your bug report

#30367: 26.0.91; CC-Mode: Major slowdown when isearching big C++ file.

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 30367@debbugs.gnu.org.

-- 
30367: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=30367
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