Silent gcc 4.2.0 loop optimization bug with -O2

[Garrett Cooper]

Ed Schouten wrote:
> * Andrey Chernov <ache at nagual.pp.ru> wrote:
>   
>> I am not familiar with gcc bugs reporting system at all. Could somebody 
>> running 4.2.1 snapshot tells, is it already fixed, by chance? If no, could 
>> sumebody fill bug report to them or provide detailed instructions how to 
>> do that, please?
>>     
>
> I couldn't find a similar bug in Bugzilla (though my knowledge of GCC
> internals is quite poor), so I opened a new bug:
>
> 	http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32500
>
> Yours,
>   
    It's covered in gcc 4.2.1 AFAIK because it's the same / similar to 
the bug with xorg-server's scanpci.c.

    Before pursuing your filed bug too much, please switch over to the 
gcc 4.2.1 snapshot provided by Kris a week back, compile stuff, and see 
if the error persists.

-Garrett