GNU bug report logs - #636
23.0.60; Read syntax error while byte-compiling

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Message #38 received at 636 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Michael Olson <mwolson <at> gnu.org>
To: Ulrich Mueller <ulm <at> gentoo.org>
Cc: Chong Yidong <cyd <at> stupidchicken.com>, 636 <at> debbugs.gnu.org,
        emacs-devel <at> gnu.org, Glenn Morris <rgm <at> gnu.org>,
        Alan Mackenzie <acm <at> muc.de>
Subject: Re: bug#636: Please fix before the release of 23.1
Date: Mon, 11 Aug 2008 08:26:04 -0700

Ulrich Mueller <ulm <at> gentoo.org> writes:

> Indeed. If we agree that the bug is in cc-defs.el, then the following
> patch should fix it:
>
> --- progmodes/cc-defs.el	27 Jun 2008 21:12:46 -0000	1.58
> +++ progmodes/cc-defs.el	11 Aug 2008 07:11:04 -0000
> @@ -1445,7 +1445,7 @@
>      (let ((beginning-of-defun-function
>  	   (lambda (&optional arg)
>  	     (not (eq arg nil)))))
> -      (if (beginning-of-defun 1)
> +      (if (save-excursion (beginning-of-defun 1))
>  	  (setq list (cons 'argumentative-bod-function list))))
>
>      (let ((buf (generate-new-buffer " test"))

This patch fixes the problem for me as well.  It's interesting that
evaluating a top-level defconst definition can screw up the
byte-compiler though ... would it make sense for the byte-compiler to
automatically do a save-excursion around the processing of each
top-level form in a given file?

-- 
|       Michael Olson  |  FSF Associate Member #652     |
| http://mwolson.org/  |  Hobbies: Lisp, HCoop          |
| Projects: Emacs, Muse, ERC, EMMS, ErBot, DVC, Planner |
`-------------------------------------------------------'

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