Your bug report

#7174: 23.2; `last' can be made faster by using `length'

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 7174@debbugs.gnu.org.

-- 
7174: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7174
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