GNU bug report logs - #65491
[PATCH] Improve performance allocating vectors

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Message #133 received at 65491 <at> debbugs.gnu.org (full text, mbox):

From: Mattias Engdegård <mattias.engdegard <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 65491 <at> debbugs.gnu.org, Paul Eggert <eggert <at> cs.ucla.edu>,
 monnier <at> iro.umontreal.ca
Subject: Re: bug#65491: [PATCH] Improve performance allocating vectors
Date: Tue, 19 Sep 2023 15:28:41 +0200

[Message part 1 (text/plain, inline)]

> The conversion at the other end, TAG_PTR, suffers from the same potential problem but in reverse, which is perhaps less obvious to the casual C programmer but nevertheless a danger of the same kind, so we'd better do something about it as well. I'll be back with a proposed patch.

Here it is. Very straightforward: just flip a cast and remove unused definitions.

[0001-Don-t-use-pointer-arithmetic-for-pointer-tagging-bug.patch (application/octet-stream, attachment)]

[Message part 3 (text/plain, inline)]

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