From: Andy Moreton <andrewjmoreton@gmail.com>
To: 32485@debbugs.gnu.org
Subject: bug#32485: 27.0.50; Problem with zerop on 32-bit platforms
Date: Mon, 20 Aug 2018 22:28:00 +0100 [thread overview]
Message-ID: <86o9dwk9sv.fsf@gmail.com> (raw)
In-Reply-To: <4fa340a9-e953-f2ce-c95d-16f1d10fa12d@cornell.edu>
On Mon 20 Aug 2018, Ken Brown wrote:
> On 8/20/2018 2:46 PM, Andy Moreton wrote:
>> On Mon 20 Aug 2018, Ken Brown wrote:
>>
>>> Evaluating (zerop (lsh -1 32)) on 32-bit Cygwin yields
>>>
>>> Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p
>>> -4294967296)
>>>
>>> I realize that the fate of lsh is still being debated, but I think
>>> there's a problem with zerop anyway, because directly evaluating (zerop
>>> -4294967296) leads to the same error.
>>
>> Could this be bug#32477 ? Please try the patch I posted in:
>> http://lists.gnu.org/archive/html/bug-gnu-emacs/2018-08/msg00467.html
>
> Yes, that does fix the error. Thanks.
Good to confirm that its the same underlying problem (but note that an
update on that bug shows further fixes are needed).
> But let's leave the bug open, because vc-hg-state-fast might still need
> attention. Currently (zerop (lsh -1 32)) returns nil on all platforms, so
> it's useless; but that might change.
Agreed. That may need fixing after the semantics of lsh are sorted out.
AndyM
next prev parent reply other threads:[~2018-08-20 21:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-20 18:12 bug#32485: 27.0.50; Problem with zerop on 32-bit platforms Ken Brown
2018-08-20 18:46 ` Andy Moreton
2018-08-20 19:54 ` Ken Brown
2018-08-20 21:28 ` Andy Moreton [this message]
2018-08-21 20:54 ` Paul Eggert
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