Re: byte-optimize-set causes spurious byte compiler warnings

[Jesper Harder]

"Stefan Monnier" <monnier+gnu/emacs/address@hidden> writes:

>> causes spurious byte compiler warnings:
>
> I wouldn't call them "spurious" but "additional".

Have you experienced that the warnings caused by the change has flagged
any real bugs?

>>   (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)
>
> The code needs a (defvar tool-bar-map) to declare that
> tool-bar-map is an externally defined variable.

I know that defvar silences the warning.  But what's the point?  It
serves no other useful purpose than pacifying the byte compiler.