bug#9613: 24.0.90; Cannot debug-on-entry message-send-mail

[Michael Welsh Duggan]

"monnier@iro.umontreal.ca" <monnier@iro.umontreal.ca> writes:

>> From "emacs -Q":
>> M-x load-library RET message RET
>> M-x debug-on-entry RET message-send-mail RET
>
>> This causes an "Args out of range" error.  This only happens on the byte
>> code.  If I evaluate message.el, this error no longer occurs.
>
> The patch below should fix it,

Yes, that does the trick.

> === modified file 'lisp/emacs-lisp/debug.el'
> --- lisp/emacs-lisp/debug.el  2011-09-21 17:43:48 +0000
> +++ lisp/emacs-lisp/debug.el  2011-09-27 18:05:28 +0000
> @@ -873,9 +873,9 @@
>                `((,(if (memq '&rest args) #'apply #'funcall)
>                   ,defn
>                   ,@(remq '&rest (remq '&optional args))))))
> -     (if (> (length defn) 5)
> +     (if (and (> (length defn) 5) (aref defn 5))
>           (push `(interactive ,(aref defn 5)) body))
> -     (if (aref defn 4)
> +     (if (and (> (length defn) 4) (aref defn 4))
>           ;; Use `documentation' here, to get the actual string,
>           ;; in case the compiled function has a reference
>           ;; to the .elc file.
>

-- 
Michael Welsh Duggan
(mwd@cert.org)