bug#20644: 25.0.50; Re-evaluating cl-defmethod form doesn't update the behavior

[Stefan Monnier]

> (cl-defgeneric cl--generic-1 (x y))
> (cl-defmethod cl--generic-1 ((x t) y) (cons x y))
> 2. (cl--generic-1 'a 'b) evaluates to '(a . b).
> 3. Change the defmethod form to return 1, press C-M-x.
> 4. (cl--generic-1 'a 'b) still evaluates to '(a . b).

Thanks.  Should be fixed now.


        Stefan