GNU bug report logs - #32463
27.0.50; (logior -1) => 4611686018427387903

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Package: emacs;

Reported by: Katsumi Yamaoka <yamaoka <at> jpl.org>

Date: Fri, 17 Aug 2018 03:31:02 UTC

Severity: normal

Found in version 27.0.50

Done: Glenn Morris <rgm <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #107 received at 32463 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Andy Moreton <andrewjmoreton <at> gmail.com>
Cc: 32463 <at> debbugs.gnu.org
Subject: Re: bug#32463: 27.0.50; (logior -1) => 4611686018427387903
Date: Tue, 21 Aug 2018 19:34:36 -0700

> Does this limit apply to bignum values in lisp objects, or to
> intermediate values inside libgmp, which may require extra space ?
> The documentation for `integer-width' should make this clear.

integer-width applies only to Lisp objects. I'm not sure we should be exposing 
internal details of the interpreter to the Lisp user, which includes the sizes 
of its internal temporaries. If a need shows up for it we can do it, but I don't 
see the need.
This bug report was last modified 6 years and 320 days ago.

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