bug#12369: 24.2.50; cl-loop: variable not left unused

[Lars Ingebrigtsen]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>>     ;; -*- lexical-binding: t -*-
>>     (require 'cl-lib)
>>     (cl-loop for (rms . emacs) in nil)
>> Byte compile this piece of code.
>>     Warning: Unused lexical variable `rms'
>
> Yes, first bug: `emacs' is not listed as unused.

This problem is still present in Emacs 28.

>> Attempting to fix this warning by renaming rms to _rms results in
>> another warning.
>>     Warning: variable `_rms' not left unused
>
> Yup, second bug.

This one is fixed, though.

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