[Patch] Improving jump-thread pass for PR 54742

[Jeff Law]

On 12/09/14 12:43, Richard Biener wrote:
>> This seems to be indicating that we have with no edge from the latch
>> block to the header block.  I'd like to know better how we got into
>> that
>> state.
>
> It Also returns null for loops with multiple latches. So the patch looks OK for me.
Ah, OK.

Jeff