Your bug report

#26658: 25.2; cc-mode doesn't use prog-mode-map as parent for c-mode-base-map

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 26658@debbugs.gnu.org.

-- 
26658: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=26658
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems