[GC] Flipped the Arena replenish level check in gc_ms_more_traceable_objects(). This tuning parameter represents the threshold of free objects beyond which it doesn't make sense to try to reclaim more objects in the pool during the next GC run.  With the current parameter value, we assert that an arena with 30% or more free objects isn't likely to fill up before the next run. Rakudo's hello world program is 6.79% faster with this small change.
[GC] Flipped the Arena replenish level check in gc_ms_more_traceable_objects().
This tuning parameter represents the threshold of free objects beyond which it
doesn't make sense to try to reclaim more objects in the pool during the next
GC run.  With the current parameter value, we assert that an arena with 30% or
more free objects isn't likely to fill up before the next run.
Rakudo's hello world program is 6.79% faster with this small change.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@39215 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot