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Re: [Emacs-diffs] master 8ba156f: Attempt to avoid crashes in plist-memb


From: Eli Zaretskii
Subject: Re: [Emacs-diffs] master 8ba156f: Attempt to avoid crashes in plist-member
Date: Tue, 13 Oct 2015 18:32:41 +0300

> From: David Kastrup <address@hidden>
> Cc: Paul Eggert <address@hidden>,  address@hidden,  address@hidden
> Date: Tue, 13 Oct 2015 17:08:52 +0200
> 
> CONSP only checks some bits on a pointer.  It does not verify that
> the pointer can be dereferenced into an existing cons cell.  So there is
> absolutely no need to modify anything between having a true CONSP test
> and a crashing XCAR.

Yes, well...  I didn't have such a serious calamity in mind.



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