Your bug report

#42664: feature/native-comp; cc-defs.el: c-lang-const Symbol's function definition is void: cc-bytecomp-is-compiling

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 42664@debbugs.gnu.org.

-- 
42664: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=42664
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems