Your bug report

#8344: (substring ...) crashes on large vectors

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 8344@debbugs.gnu.org.

-- 
8344: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8344
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems