bug#20420: 25.0.50; eieio methods with optional arguments now fail

[Vitalie Spinu]

Hi.

First declare:

   (defclass cc-A ()
     ((a :initform "foo")))
   
   (defgeneric xx (&optional a b))
   (defmethod xx ()
     (message "default"))


And eval (xx). It works as expected.

Now add

   (defmethod xx ((obj cc-A) &optional b)
     (message "called on cc-A object"))

and eval (xx) again. It throws (wrong-number-of-arguments (1 . &rest) 0).

It used to work in emacs 24.


Thanks,

  Vitalie







In GNU Emacs 25.0.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.12.2)
 of 2015-04-13 on galago
Repository revision: 30bcb238c3a53f777c2a4952f51a68df6272cff4
Windowing system distributor `The X.Org Foundation', version 11.0.11600000
System Description:     Ubuntu 14.10

Configured features:
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NOTIFY LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB

Important settings:
  value of $LC_TIME: en_DK.UTF-8
  value of $LANG: en_DK.UTF-8
  locale-coding-system: utf-8-unix