CVS emacs error in cus-edit.el

[Ami Fischman]

Compiling an emacs out of CVS configures/makes/installs without a hitch, but
my init file gives me trouble.  Tracking things down comes down to line 2678
in lisp/cus-edit.el:
(defconst custom-face-all (widget-convert 'custom-face-all)
  "Converted version of the `custom-face-all' widget.")

Specifically, that widget-convert call returns (if I only eval:
(widget-convert 'custom-face-all)
after evaling the entire file preceding this point:

Debugger entered--Lisp error: (wrong-type-argument stringp 0)
  widget-convert(custom-face-all)
  eval((widget-convert (quote custom-face-all)))
  eval-last-sexp-1(nil)
  eval-last-sexp(nil)
  call-interactively(eval-last-sexp)
  recursive-edit()

This problem prevents me from using toggle-debug-on-error, and pretty much
anything else.

Am I doing something obviously stupid?  This is with cvs updated as of
200204221700 PDT, and with the command line:
/usr/local/emacs-cvs/bin/emacs --debug-init -q --no-site-file 
/usr/local/emacs/share/emacs/21.2.50/lisp/cus-edit.el

Thanks,
-- 
  Ami Fischman
  usenet@fischman.org