GNU bug report logs - #33848
Store references in SBCL-compiled code are "invisible"

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Message #148 received at 33848 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Mark H Weaver <mhw <at> netris.org>
Cc: Guillaume Le Vaillant <glv <at> posteo.net>,
 Pierre Neidhardt <mail <at> ambrevar.xyz>, 33848 <at> debbugs.gnu.org
Subject: Re: bug#33848: Store references in SBCL-compiled code are "invisible"
Date: Mon, 05 Apr 2021 21:45:43 +0200

Hi Mark,

Mark H Weaver <mhw <at> netris.org> skribis:

> Pierre Neidhardt <mail <at> ambrevar.xyz> writes:
>
>> Wow, that was fast, thank you Mark!

Yup, thumbs up!

>> Any idea how I can test this, i.e. how I can force a graft?
>
> Just apply the patch to a git checkout of Guix, build it, and then use
> it to build anything you like, e.g. "./pre-inst-env guix build nyxt".
>
> With this patch applied, all graft derivations will be rebuilt, but
> *only* grafts.  When it's ready (i.e. when it has better comments,
> docstrings, etc), this change is perfectly appropriate for 'master'.

The GC’s scanner still gets it wrong though.  I wonder whether having
the grafting code more capable than the scanner could lead to bad
surprises.  WDYT?

Thank you for looking into this!

Ludo’.

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