Merge

Merge

8131330: G1CollectedHeap::verify_dirty_young_list fails with assert Summary: Use assembly loop to avoid compiler optimization into memset Reviewed-by: ecaspole, tschatzl

Merge

8072817: CardTableExtension kind() should be BarrierSet::CardTableExtension Summary: Use BarrierSet::CardTableForRS where needed, and update concrete bs tags. Reviewed-by: jwilhelm, jmasa

8132725: Memory leak in Arguments::add_property function Summary: Logic in add_property was rewritten to avoid memory leak Reviewed-by: iklam, coleenp