Subject: bug#46819: 28.0.50; Undesireable warning: Empty let body from the `benchmark-run' implementation

From: Lars Ingebrigtsen <[email-masked]>
Date: Mon, 01 Mar 2021 01:09:03 +0100

Matt Armstrong <[email-masked]> writes:

> It might be hard to fix in the general case.  Think about this example:
>
> (let (...)
>   (some-macro blah))
>
> What if that macro expands to nothing, based on some criteria not
> entirely under programmer control?  Is the code "wrong"?

No.  But if the code is

(let (...)
  )

then it probably is.  So the warning (if retained) has to be done on the
form read before doing any macro expansions.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no