bug#36664: 27.0.50; definition of string-trim causes warning

[Noam Postavsky]

Andreas Röhler <andreas.roehler@easy-emacs.de> writes:

>>>> When byte-compiling a file with def of trim-string inside, get a
>>>> warning: Lexical argument shadows the dynamic variable
>>>>      string

> Hmm, also can't reproduce with emacs -Q, only from my config - see
> attachment.
>
> Beside of this IMO the warning is reasonable - commonly used symbols
> should not appear as plain argument names.

I think the bug is somewhere in your config, there is something like

    (defvar string "foo")

Which makes 'string' into a global special variable.