8159978: Use an array to store the collection set regions instead of linking through regions
Summary: Fix a potential problem with memory visibility in the sampling thread in the collection set by changing the way we store the collection set.
Reviewed-by: ehelin, jmasa

8151556: Use the PreservedMarks* classes for the G1 preserved mark stacks
Reviewed-by: tschatzl

8153503: Move remset scan iteration claim to remset local data structure
Reviewed-by: drwhite, mgerdin

8077144: Concurrent mark initialization takes too long
Summary: Remove per-marking thread liveness bitmaps and recreate liveness bitmap concurrently after the cleanup pause.
Reviewed-by: mgerdin, ehelin, kbarrett

8148973: Rename g1/concurrentMark.{hpp,cpp,inline.hpp} to g1/g1ConcurrentMark.{hpp,cpp,inline.hpp}
Reviewed-by: tschatzl, mgerdin

8147814: Move verification code out of g1collectedheap
Reviewed-by: jwilhelm, tschatzl

8144040: UpdateRSetDeferred in G1EvacFailure will never visit survivor regions
Reviewed-by: tschatzl, mgerdin

8142404: Parallelize the restoring of preserved marks
Reviewed-by: mgerdin, tschatzl

8080775: Better argument formatting for assert() and friends
Reviewed-by: kbarrett, pliden

8129558: Coalesce dead objects during removal of self-forwarded pointers
Summary: To improve performance of self-forwarding fixup during evacuation failure, coalesce the work done for dead objects.
Reviewed-by: mgerdin, tbenson, tonyp

8042668: GC Support for shared heap ranges in CDS
Summary: Added "Archive Region" support to the G1 GC
Reviewed-by: tschatzl, brutisso
Contributed-by: tom.benson@oracle.com

7097567: G1: abstract and encapsulate collector phases and transitions between them
Reviewed-by: mgerdin, tschatzl

8079792: GC directory structure cleanup
Reviewed-by: brutisso, stefank, david