Problem with VC's \C-x v v

[fiberiaxdotxcom!litter]

In GNU Emacs 21.1.1 (i386-msvc-nt5.0.2195)
 of 2001-10-22 on buffy
configured using `configure --with-msvc (12.00)'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ENU
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

I started emacs with "emacs -q" and read in a file under
CVS control which I modified. When updating with \C-x v v
I got an error.


Recent input:
C-x C-f <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
d : / p r o j <tab> c t / F <tab> m a <tab> <return> 
C-x v v <menu-bar> <help-menu> <report-emacs-bug>

Recent messages:
Loading mule-util...done
Loading make-mode...done
Loading vc...done
Loading log-edit...
Loading easy-mmode (source)...done
byte-code: Wrong number of arguments: (lambda (keymap-alist &optional 
menu-name) "Return a keymap built from KEYMAP-ALIST.
KEYMAP-ALIST must be a list of (KEYBINDING . BINDING) where
KEYBINDING and BINDINGS are suited as for define-key.
optional MENU-NAME is passed to `make-sparse-keymap'." (let ((keymap 
(make-sparse-keymap menu-name))) (mapcar (function (lambda (bind) 
(define-key keymap (car bind) (cdr bind)))) keymap-alist) keymap)), 4
Loading emacsbug...done