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From: Stefan Monnier <monnier@iro.umontreal.ca>
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Subject: Re: Towards a cleaner build
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>>   (with-suppressed-warnings ((mapcar mapcar))
>>     (mapcar #'list '(1 2 3)))
> This is the 'mapcar called for effect' one, right?

Hmm... I've never seen this warning misfire nor have I ever been unable
to replace the mapcar with mapc, so I'm not sure we care about this case
w.r.t with-suppressed-warnings.

> Could we group it with 'value returned from (+ 1 2) is unused' for
> (progn (+ 1 2) nil)?

I can't remember having to silence this warning either, FWIW.


        Stefan