Update profile for haifa-sched's recovery blocks

[Jeff Law]

On 07/04/2017 04:19 AM, Jan Hubicka wrote:
> Hi,
> this is another bug I noticed while looking into Itanium rgression.
> There is no profile attached to recovery blocks in scheduler.
> I made them very unlikely, but I wonder if we can do better? After all
> we probably know the probability of path that will lead for speculation
> to suceed?
I'd expect there's info around you could use to do better, but is it
worth the effort in practice?

Jeff