[Emacs-bug-tracker] bug#8732: closed (uinttostr: comparison of unsigned expression < 0 is always false)

[GNU bug Tracking System]

Your message dated Wed, 25 May 2011 15:29:12 -0600
with message-id <address@hidden>
and subject line Re: bug#8732: uinttostr: comparison of unsigned expression < 0 
is always       false
has caused the GNU bug report #8732,
regarding uinttostr: comparison of unsigned expression < 0 is always false
to be marked as done.

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8732: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8732
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> --- Begin Message ---
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>
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> Subject: 
>
> uinttostr: comparison of unsigned expression < 0 is always false
>
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>
>
> Date: 
>
> Wed, 25 May 2011 09:23:50 +0200
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> Hi *,
>
> building coreutils-8.12 with '--enable-gcc-warnings' fails on my SLES 10.3 
> server:
>
>   CC       uinttostr.o
> cc1: warnings being treated as errors
> In file included from uinttostr.c:3:
> anytostr.c: In function 'uinttostr':
> anytostr.c:39: warning: comparison of unsigned expression < 0 is always false
>
> gcc --version
> gcc (GCC) 4.1.2 20070115 (SUSE Linux)
>
> Have a nice day,
> Berny
>
>
> --- End Message ---

--- Begin Message --- Subject: Re: bug#8732: uinttostr: comparison of unsigned expression < 0 is always false Date: Wed, 25 May 2011 15:29:12 -0600 User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc14 Lightning/1.0b3pre Mnenhy/0.8.3 Thunderbird/3.1.10

tag 8732 wontfix
close 8732
done


On 05/25/2011 01:54 PM, Eric Blake wrote:
> On 05/25/2011 01:23 AM, Voelker, Bernhard wrote:
>> Hi *,
>>
>> building coreutils-8.12 with '--enable-gcc-warnings' fails on my SLES 10.3 
>> server:
>>
>>   CC       uinttostr.o
>> cc1: warnings being treated as errors
>> In file included from uinttostr.c:3:
>> anytostr.c: In function 'uinttostr':
>> anytostr.c:39: warning: comparison of unsigned expression < 0 is always false
> 
> the warning is spurious.  But we don't know how
> to shut up gcc.

You're not the first to hit this, either:

http://lists.gnu.org/archive/html/bug-gnulib/2010-10/msg00435.html

Since our party line back then was to "upgrade gcc or quit using -Werror
with old gcc", I'm marking this as a wontfix; but if you can come up
with a patch, we can reopen it.

-- 
Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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