From: Alexandre Oliva <aoliva@redhat.com>
To: Jan Hubicka <jh@suse.cz>
Cc: Andrew Morton <akpm@digeo.com>, gcc@gcc.gnu.org
Subject: Re: possible bug
Date: Fri, 31 Jan 2003 08:08:00 -0000 [thread overview]
Message-ID: <orptqe0yi9.fsf@livre.redhat.lsd.ic.unicamp.br> (raw)
In-Reply-To: <20030131001301.GJ15049@kam.mff.cuni.cz>
On Jan 30, 2003, Jan Hubicka <jh@suse.cz> wrote:
>> char *zot(void)
>> {
>> return ({foo(); 0; });
>> }
>> mnm:/home/akpm> /usr/local/gcc-3.2.1/bin/gcc -O -Wall -c t.c
>> t.c: In function `zot':
>> t.c:10: warning: return makes pointer from integer without a cast
>> I think the warning is bogus?
> I think the value of ({foo(); 0; }) is zero (value of last statement,
> if I recall the definition), so it is corect.
But then, zero is a NULL pointer constant, isn't it? At least in C++,
a warning would have been very inappropriate. I don't think one for C
is.
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{redhat.com, gcc.gnu.org}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist Professional serial bug killer
next prev parent reply other threads:[~2003-01-31 3:51 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-31 0:33 Andrew Morton
2003-01-31 0:36 ` Jan Hubicka
2003-01-31 0:56 ` Andrew Morton
2003-01-31 8:08 ` Alexandre Oliva [this message]
2003-01-31 10:48 ` Fergus Henderson
-- strict thread matches above, loose matches on Subject: below --
2011-03-26 20:28 Possible Bug Nathan Boley
2011-03-27 7:38 ` Ian Lance Taylor
2011-03-28 11:06 ` Paolo Bonzini
2011-03-28 11:28 ` Richard Guenther
2011-03-28 11:47 ` Paolo Bonzini
2011-03-28 12:14 ` Richard Guenther
2011-03-28 13:37 ` Michael Matz
2011-03-28 13:54 ` Paolo Bonzini
2011-03-28 14:37 ` Richard Guenther
2011-03-29 16:03 ` Nathan Boley
1999-07-25 17:52 possible bug Manush Dodunekov
1999-07-26 10:57 ` Alexandre Oliva
1999-07-27 3:27 ` Manush Dodunekov
1999-07-27 3:37 ` Alexandre Oliva
1999-07-31 23:33 ` Alexandre Oliva
1999-07-31 23:33 ` Manush Dodunekov
1999-07-31 23:33 ` Alexandre Oliva
1999-07-31 23:33 ` Manush Dodunekov
1997-12-12 15:46 Possible Bug Mike Sullivan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=orptqe0yi9.fsf@livre.redhat.lsd.ic.unicamp.br \
--to=aoliva@redhat.com \
--cc=akpm@digeo.com \
--cc=gcc@gcc.gnu.org \
--cc=jh@suse.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).