8039596: Remove HeapRegionRemSet::clear_incoming_entry Summary: The mentioned method is never used and out of date. So it is removed. Reviewed-by: mgerdin, brutisso

8037344: Use the "next" field to iterate over fine remembered instead of using the hash table Summary: After changes to the PerRegionTable where all these PRTs are linked together in an additional field, simplify iterating over all PRTs by using these links instead of walki Reviewed-by: mgerdin, jwilhelm, brutisso

8027553: Change the in_cset_fast_test functionality to use the G1BiasedArray abstraction Summary: Instead of using a manually managed array for the in_cset_fast_test array, use a G1BiasedArray instance. Reviewed-by: brutisso, mgerdin