Safepoint timeout in scimark?

[Roland Westrelin]

> Such If node can be folded with CLE later so you will get SP after it 
> again. Also if it is not folded it will prevent some loop optimizations. 
> I would say not converting such loop into Counted may give the same 
> performance.

Right. The following webrev then, assuming 8161147 and our issue are the
same?

http://cr.openjdk.java.net/~roland/8161147/webrev.00/

Roland.