GNU bug report logs - #58338
29.0.50; mapatoms called on more elements than in obarray?

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Message #11 received at 58338 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Philip Kaludercic <philipk <at> posteo.net>
Cc: 58338 <at> debbugs.gnu.org
Subject: Re: bug#58338: 29.0.50;
 mapatoms called on more elements than in obarray?
Date: Thu, 06 Oct 2022 21:00:58 +0300

> From: Philip Kaludercic <philipk <at> posteo.net>
> Date: Thu, 06 Oct 2022 16:16:03 +0000
> 
> 
> >From reading the docstring of `mapatoms', I would assume that this would
> evaluate to t:
> 
> (let ((i 0))
>   (mapatoms (lambda (_) (setq i (1+ i))) obarray)
>   (= (length obarray) i))
> 
> But instead on my system I get (length obarray) ↝ 15121 and and i ↝
> 78050, which is are at a ratio of 5.16169565505.
> 
> Also interesting, if I intern a variable "foo", the value of i increases
> to 83106, while (length obarray) stays the same (?)

You assume that obarray is a flat vector or something?  Or how about
if you explain why the above surprised you?

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