[VRP] Allocate bitmap before copying

[Richard Biener]

On Sat, Oct 8, 2016 at 9:34 PM, kugan <kugan.vivekanandarajah@linaro.org> wrote:
> Hi,
>
> In vrp_intersect_ranges_1, when !vr0->equiv, we are copying vr1->equiv
> without allocating bitmap. This patch fixes this.
>
> Bootstrap and regression testing are ongoing. Is this OK if no new
> regressions?

Ok for trunk and branches.

Richard.

> Thanks,
> Kugan
>
> gcc/ChangeLog:
>
> 2016-10-09  Kugan Vivekanandarajah  <kuganv@linaro.org>
>
>         * tree-vrp.c (vrp_intersect_ranges_1): Allocate bitmap before
>           copying.