Fix twolf -funroll-loops -O3 miscompilation (a semi-latent web.c bug)

[Steven Bosscher]

On Mon, Nov 19, 2012 at 12:15 AM, Dominique Dhumieres wrote:
>> I think this should fix it. Can't test it right now, so help
>> appreciated (Honza: hint hint! ;-)
>
> The change at http://gcc.gnu.org/ml/gcc-patches/2012-10/msg01511/remove_dead_eq_notes.diff
> (revision 192526) caused
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55006

Yes, I'll be looking into this soon.

Ciao!
Steven