a typo in ira-emit.c?

[Vladimir Makarov]

Amker.Cheng wrote:
>> Yes, I think it can be NULL in some complicated cases when a loop exit edge
>> comes not in the parent loop.
>>     
> By that, you mean the case an regno lives on edges which transfer
> between adjacent loops,
> and not lives in parent loop?
>   
Yes.  But there are even more complicated cases when an exit edge can go 
in a nested loop of an adjacent loop or even from a nested loop to ...
> So, the fprintf would access null pointer in this case.
>
> Thanks for explanation.
>