From: Philipp Stephani <p.stephani2@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Alan Third <alan@idiocy.org>,
Emacs developers <emacs-devel@gnu.org>, raman <raman@google.com>
Subject: Re: san_ignore_object not found at link time
Date: Sat, 1 Aug 2020 20:29:29 +0200 [thread overview]
Message-ID: <CAArVCkTD-mVrm0rN4yN7EzJo7tXhu3Gt8VJqZL2MbcyMupFpDg@mail.gmail.com> (raw)
In-Reply-To: <83k0yicl01.fsf@gnu.org>
Am Sa., 1. Aug. 2020 um 19:51 Uhr schrieb Eli Zaretskii <eliz@gnu.org>:
>
> > From: Philipp Stephani <p.stephani2@gmail.com>
> > Date: Sat, 1 Aug 2020 19:32:40 +0200
> >
> > I've pushed commit 06310cf912 which should hopefully fix this, could
> > you please try again?
>
> I now get a compilation warning:
>
> alloc.c: In function 'mark_maybe_object':
> alloc.c:4641:14: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
> 4641 | void *po = (char *) ((intptr_t) (char *) XLP (obj)
> | ^
>
> This is a 32-bit build --with-wide-int, in case it matters, where
> EMACS_INT is a 64-bit data type.
This is due to the unrelated commit a2323c7ccb. (I just happened to
push both commits at the same time.)
It looks like LISP_WORD_TAG in a wide int build is a 64-bit number, so
that the entire expression gets widened to a 64-bit number. However,
since it's cast back to a pointer, the value has to fit in 32 bits.
next prev parent reply other threads:[~2020-08-01 18:29 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-01 14:10 san_ignore_object not found at link time T.V Raman
2020-08-01 14:37 ` Eli Zaretskii
2020-08-01 14:45 ` T.V Raman
2020-08-01 14:45 ` Eli Zaretskii
2020-08-01 15:02 ` Philipp Stephani
2020-08-01 15:38 ` Alan Third
2020-08-01 17:32 ` Philipp Stephani
2020-08-01 17:51 ` Eli Zaretskii
2020-08-01 18:02 ` Eli Zaretskii
2020-08-01 18:33 ` Philipp Stephani
2020-08-01 18:52 ` Andreas Schwab
2020-08-01 18:29 ` Philipp Stephani [this message]
2020-08-01 18:32 ` Eli Zaretskii
2020-08-01 18:35 ` Philipp Stephani
2020-08-01 19:17 ` Philipp Stephani
2020-08-01 19:21 ` Philipp Stephani
2020-08-01 19:21 ` Eli Zaretskii
2020-08-01 19:26 ` Eli Zaretskii
2020-08-01 19:40 ` Philipp Stephani
2020-08-02 16:08 ` Eli Zaretskii
2020-08-01 18:09 ` T.V Raman
2020-08-01 18:13 ` Alan Third
2020-08-01 16:43 ` T.V Raman
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