Re: [Bug tree-optimization/32461] [4.3 Regression] Segmentation fault in build_classic_dist_vector_1() at tree-data-ref.c:2700

["Richard Guenther" <richard dot guenther at gmail dot com>]

On 6/24/07, Sebastian Pop <sebpop@gmail.com> wrote:
> On 6/24/07, Sebastian Pop <sebpop@gmail.com> wrote:
> > On 6/24/07, Richard Guenther <richard.guenther@gmail.com> wrote:
> > >  An alternative is to use
> > >
> > >           if (TREE_CODE (arg1) == BIT_NOT_EXPR
> > >               && !TYPE_OVERFLOW_TRAPS (type))
> > >              {
> > >                 tem = TREE_OPERAND (arg1, 0);
> > >                 STRIP_NOPS (tem);
> > >                 if (operand_equal_p (arg0, tem, 0))
> > >  ...
> > >
> > > which would be even better and shouldn't cause other missed
> > > optimizations.
> > >
> >
> > Okay, attached is the patch that implements this.
> > I'm bootstrapping and testing it on i686-linux.
> >
>
> Passed bootstrap with --enable-checking=yes,fold,rtl
> and no new regressions in the testsuite.  Okay for trunk?

Yes, this is ok.

Thanks,
Richard.