[PATCH]: Fix places where we expect non-null loops in the loop array

[Diego Novillo]

Daniel Berlin wrote:
> Personally, i think it's incredibly weird for the loop info to claim we
> have two loops, and num_levels == 2, when one of the loop infos is NULL,
> but hey, whatever. :)
> 
So do I.  Something seems to be out of synch.  Zdenek?


> 
> Bootstrapped and regtested on i686-pc-linux-gnu.
> Okay for mainline?

Well, it looks like papering over some consistency problem in the loop 
data structure.  I'd rather see num_levels reflect reality.  Unless 
there's a good reason why this is not important/interesting?


Diego.