GNU bug report logs - #46111
Reverting fns.c hash function due to OpenBSD/SPARC64 compile breaking

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Message #56 received at 46111 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 46111 <at> debbugs.gnu.org, me <at> enzu.ru
Subject: Re: bug#46111: Reverting fns.c hash function due to OpenBSD/SPARC64
 compile breaking
Date: Thu, 28 Jan 2021 17:19:56 +0200

> From: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Cc: eliz <at> gnu.org,  46111 <at> debbugs.gnu.org
> Date: Thu, 28 Jan 2021 10:09:21 -0500
> 
> Hmm... so it's doing a dereference at address 0x47fa34d596 and getting
> a bus error?

Yes.

> I have two questions here:
> 
> - I'd guess that the bus error is due to alignment restrictions.
>   What hardware is this running on?

See the Subject: it's SPARC64.

> - AFAICT from the backtrace, `ptr` points to a plain normal ELisp
>   string's content, yet these are supposed to be aligned, so what's
>   going on here

I wondered that myself.

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