8253238: [REDO] Improve object array chunking test in G1's copy_to_survivor_space
8253236: [REDO] Investigate fast-path for scanning only objects with references during gc
Generate multiple partial array tasks for large objArrays.
Reviewed-by: sjohanss, ayang, tschatzl
Revert "8027545: Improve object array chunking test in G1's copy_to_survivor_space"
Revert "8158045: Improve large object handling during evacuation"
Revert "8027761: Investigate fast-path for scanning only objects with references during gc"
Reviewed-by: tschatzl, sjohanss
8158045: Improve large object handling during evacuation
8027761: Investigate fast-path for scanning only objects with references during gc
Generate multiple partial array tasks for large objArrays.
Reviewed-by: sjohanss, ayang, tschatzl
