On Mon, 3 Sep 2018, Richard Biener wrote:
>
> The following fixes a wrong-code issue similar to that in PR87132 where
> the alias walk reaches into code parts that are only reachable over
> backedges. This time not via PHI processing but by value-numbering
> a virtual PHI to its backedge value.
The following fixes a wrong-code issue similar to that in PR87132 where
the alias walk reaches into code parts that are only reachable over
backedges. This time not via PHI processing but by value-numbering
a virtual PHI to its backedge value. That doesn't play well with the
way we do iteration
