bug#57903: 29.0.50; cl-call-next-method signals error "Symbol’s value as variable is void: cl--nm"

[Stefan Monnier]

> Minimal testcase to reproduce:
>
>    (progn
>      (require 'cl-generic)
>      (require 'eieio)
>
>      (defclass foo () ())
>
>      (cl-defmethod repro ((f foo))
>        (cl-call-next-method))
>
>      (repro (make-instance 'foo)))

The better fix is for you to use `lexical-binding`, but I pushed to
`master` a fix which should make the old code working gain (it won't
benefit from the faster calling convention of the new code, of course).


        Stefan