RFR(XS): 8196294: LoopStripMiningIterShortLoop is set to zero by default

[Roland Westrelin]

> Um. So there is a block in Arguments::check_vm_args_consistency():
>
>   if (FLAG_IS_DEFAULT(LoopStripMiningIterShortLoop)) {
>     // blind guess
>     LoopStripMiningIterShortLoop = LoopStripMiningIter / 10;
>   }
>
> Is that block misplaced? Should be removed, if we init this per-GC? Or, it should be moved somewhere
> after GC argument initializations?

Right. We can move it after GC initialization code so there's no
duplicate code:

http://cr.openjdk.java.net/~roland/8196294/webrev.01/

Roland.