From: Richard Copley <rcopley@gmail.com>
To: Angelo Graziosi <angelo.g0@libero.it>
Cc: Eli Zaretskii <eliz@gnu.org>, Emacs Development <emacs-devel@gnu.org>
Subject: Re: Suspicious warning in W64 build
Date: Thu, 7 Sep 2017 18:58:23 +0100 [thread overview]
Message-ID: <CAPM58ojtSAGTQsY8eVou=y7g8aWcBBEWEitm-N83fK7MxAzXrA@mail.gmail.com> (raw)
In-Reply-To: <CAPM58og=_Dsr7QeOYsw0WO60Bq2q2dy3=uDFbRG6SL0gTYTEZw@mail.gmail.com>
On 7 September 2017 at 18:52, Richard Copley <rcopley@gmail.com> wrote:
> On 7 September 2017 at 16:42, Angelo Graziosi <angelo.g0@libero.it> wrote:
>>> Il 7 settembre 2017 alle 17.16 Eli Zaretskii <eliz@gnu.org> ha scritto:
>>> > Date: Tue, 5 Sep 2017 15:38:15 +0200 (CEST)
>>> > From: Angelo Graziosi <angelo.g0@libero.it>
>>> >
>>> > In the log build of current master on MSYS2/MINGW64, I see:
>>> >
>>> > [...]
>>> > CC w32term.o
>>> > C:/msys64/tmp/src/src/w32font.c: In function 'w32font_text_extents':
>>> > C:/msys64/tmp/src/src/w32font.c:547:9: warning: argument 1 range [18446744065119617024, 18446744073709551612] exceeds maximum object size 9223372036854775807 [-Walloc-size-larger-than=]
>>> > wcode = alloca (nglyphs * sizeof (WORD) * 2);
>>> > ^
>>> > C:/msys64/tmp/src/src/w32font.c:547:9: note: in a call to built-in allocation function '__builtin_alloca'
>>>
>
>>> Where did it take these 2 numbers?
>
> I also see the warning (I use the same toolchain).
>
> 18446744065119617024 is 1<<64.
> The other number is (1<<64) - (1<<33) - (1<<2).
>
> That's just crazy. It must be a GCC bug.
"https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79929".
next prev parent reply other threads:[~2017-09-07 17:58 UTC|newest]
Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-05 13:38 Suspicious warning in W64 build Angelo Graziosi
2017-09-05 14:04 ` Richard Copley
2017-09-07 15:16 ` Eli Zaretskii
2017-09-07 15:42 ` Angelo Graziosi
2017-09-07 17:52 ` Richard Copley
2017-09-07 17:58 ` Richard Copley [this message]
2017-09-07 19:00 ` Angelo Graziosi
2017-09-07 19:21 ` Richard Copley
2017-09-09 4:58 ` Herring, Davis
2017-09-09 9:55 ` Richard Copley
2017-09-09 10:20 ` Eli Zaretskii
2017-09-09 11:24 ` Angelo Graziosi
2017-09-09 13:25 ` Eli Zaretskii
2017-09-09 11:16 ` Angelo Graziosi
2017-09-07 18:58 ` Eli Zaretskii
2017-09-07 19:26 ` Paul Eggert
2017-09-07 19:50 ` Richard Copley
2017-09-07 20:02 ` Richard Copley
2017-09-08 6:49 ` Eli Zaretskii
2017-09-08 8:02 ` Eli Zaretskii
2017-09-08 19:31 ` Richard Copley
2017-09-08 20:17 ` Eli Zaretskii
2017-09-08 21:08 ` Richard Copley
2017-09-08 21:37 ` Richard Copley
2017-09-09 7:37 ` Eli Zaretskii
2017-09-08 22:20 ` Richard Copley
2017-09-09 7:33 ` Eli Zaretskii
2017-09-09 9:36 ` Richard Copley
2017-09-09 10:42 ` Eli Zaretskii
2017-09-09 10:52 ` Eli Zaretskii
2017-09-09 11:17 ` Richard Copley
2017-09-09 16:07 ` Eli Zaretskii
2017-09-10 1:01 ` Richard Copley
2017-09-10 14:40 ` Eli Zaretskii
2017-09-10 19:14 ` Richard Copley
2017-09-10 19:38 ` Angelo Graziosi
2017-09-11 16:17 ` Eli Zaretskii
2017-09-11 22:21 ` Angelo Graziosi
2017-09-11 16:39 ` Óscar Fuentes
2017-09-11 17:20 ` Eli Zaretskii
2017-09-12 17:49 ` Eli Zaretskii
2017-09-12 18:01 ` Fabrice Popineau
2017-09-12 18:37 ` Richard Copley
2017-09-12 18:59 ` Eli Zaretskii
2017-09-12 19:14 ` Richard Copley
2017-09-12 18:38 ` Eli Zaretskii
2017-09-14 17:47 ` Eli Zaretskii
2017-09-14 19:34 ` Richard Copley
2017-09-15 8:54 ` Eli Zaretskii
2017-09-15 23:05 ` Richard Copley
2017-09-16 6:40 ` Eli Zaretskii
2017-09-16 8:19 ` Richard Copley
2017-09-16 8:34 ` Richard Copley
2017-09-16 8:54 ` Eli Zaretskii
2017-09-16 9:07 ` Richard Copley
2017-09-16 11:54 ` Fabrice Popineau
2017-09-16 8:52 ` Eli Zaretskii
2017-09-15 8:59 ` Eli Zaretskii
2017-09-15 14:43 ` Eli Zaretskii
2017-09-17 6:42 ` Paul Eggert
2017-09-17 7:14 ` Richard Copley
2017-09-17 14:31 ` Eli Zaretskii
2017-09-17 6:40 ` Paul Eggert
2017-09-17 14:29 ` Eli Zaretskii
2017-09-17 16:39 ` Fabrice Popineau
2017-09-17 16:52 ` Eli Zaretskii
2017-09-18 0:26 ` Paul Eggert
2017-09-18 11:47 ` Fabrice Popineau
2017-09-18 14:46 ` Eli Zaretskii
2017-09-18 0:01 ` Richard Stallman
2017-09-14 19:36 ` Fabrice Popineau
2017-09-14 21:17 ` Andy Moreton
2017-09-15 6:55 ` Fabrice Popineau
2017-09-15 9:12 ` Eli Zaretskii
2017-09-15 15:33 ` Fabrice Popineau
2017-09-15 15:45 ` Eli Zaretskii
2017-09-15 18:15 ` Fabrice Popineau
2017-09-15 19:00 ` Eli Zaretskii
2017-09-15 21:02 ` Fabrice Popineau
2017-09-16 7:45 ` Eli Zaretskii
2017-09-17 7:01 ` Paul Eggert
2017-09-17 14:31 ` Eli Zaretskii
2017-09-17 14:52 ` Philipp Stephani
2017-09-17 22:34 ` Paul Eggert
2017-09-17 17:07 ` Paul Eggert
2017-09-17 17:14 ` Eli Zaretskii
2017-09-17 18:53 ` Paul Eggert
2017-09-17 19:30 ` Eli Zaretskii
2017-09-17 20:34 ` Paul Eggert
2017-09-18 2:30 ` Eli Zaretskii
2017-09-18 4:52 ` Paul Eggert
2017-09-18 14:41 ` Eli Zaretskii
2017-09-18 17:35 ` Paul Eggert
2017-09-18 17:58 ` Andy Moreton
2017-09-19 9:05 ` Paul Eggert
2017-09-18 18:01 ` Eli Zaretskii
2017-09-17 20:45 ` Paul Eggert
2017-09-16 13:17 ` Andy Moreton
2017-09-16 13:46 ` Eli Zaretskii
2017-09-16 18:57 ` Richard Copley
2017-09-16 19:21 ` Eli Zaretskii
2017-09-15 9:03 ` Eli Zaretskii
2017-09-09 8:49 ` Angelo Graziosi
2017-09-09 10:37 ` Eli Zaretskii
2017-09-09 11:32 ` Angelo Graziosi
2017-09-09 13:28 ` Eli Zaretskii
2017-09-09 13:33 ` Fabrice Popineau
2017-09-09 14:55 ` Angelo Graziosi
2017-09-09 16:37 ` Eli Zaretskii
2017-09-09 18:38 ` Angelo Graziosi
2017-09-09 18:59 ` Eli Zaretskii
2017-09-09 21:29 ` Angelo Graziosi
2017-09-10 14:56 ` Eli Zaretskii
2017-09-10 15:45 ` Angelo Graziosi
2017-09-10 16:02 ` Eli Zaretskii
2017-09-10 18:45 ` Angelo Graziosi
2017-09-10 19:43 ` Eli Zaretskii
2017-09-09 15:40 ` Angelo Graziosi
2017-09-09 16:40 ` Eli Zaretskii
2017-09-09 18:33 ` Fabrice Popineau
2017-09-07 20:20 ` Eli Zaretskii
2017-09-07 21:59 ` Angelo Graziosi
2017-09-08 8:01 ` Eli Zaretskii
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