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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: valid_pointer_p
Date: Sun, 13 Aug 2006 00:56:02 +0300
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Original-To: storm@cua.dk (Kim F. Storm)
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> Cc: Andreas Schwab <schwab@suse.de>,  emacs-devel@gnu.org
> From: storm@cua.dk (Kim F. Storm)
> Date: Sat, 12 Aug 2006 22:19:50 +0200
> 
> > Am I missing something?
> 
> No.  My simple approach was simply to assume that if you can access the
> size field of a vector, you can access the rest as well.  I don't mind
> making a more correct implementation, although I didn't see the need --
> after all, this is for a corner case of debugging emacs.

It could be annoying to get INVALID for a perfectly valid object, and
fixing the current code seems easy enough.  But I don't have time to
do this myself, so it's your call.