8075210: Refactor strong root processing in order to allow G1 to evolve separately from GenCollectedHeap
Summary: Create a G1RootProcessor and move SharedHeap root processing to GenCollectedHeap
Reviewed-by: brutisso, tschatzl, ehelin

Reviewed-by: tschatzl, mgerdin, ecaspole

Reviewed-by: mgerdin, brutisso

Reviewed-by: stefank, tschatzl
Contributed-by: marcus.larsson@oracle.com

Summary: Pass on the static type G1ParPushHeapRSClosure to allow oop_iterate devirtualization
Reviewed-by: jmasa, kbarrett

8069760: When iterating over a card, G1 often iterates over much more references than are contained in the card
Summary: Properly bound the iteration work for objArray-oops.
Reviewed-by: mgerdin, kbarrett

Reviewed-by: tschatzl, mgerdin

Summary: Changed the chunk size to a smaller fixed number.
Reviewed-by: tschatzl, mgerdin

Summary: Evaluate and improve object copy time by micro-optimizations and splitting out slow and fast paths aggressively.
Reviewed-by: kbarrett, mgerdin, jmasa
Contributed-by: NTony Printezis &lt;tprintezis@twitter.com&gt;, Thomas Schatzl <thomas.schatzl@oracle.com>

Reviewed-by: kvn

8067923: AIX: link libjvm.so with -bernotok to detect missing symbols at build time and suppress warning 1540-1639
Reviewed-by: goetz

Reviewed-by: brutisso, ehelin

Summary: Stop using save_marks in G1 related code and make setting the replacement field less racy.
Reviewed-by: brutisso, tschatzl

Summary: keep a list of handlers to prevent the same handler from being scanned repeatedly.
Reviewed-by: dlong, dholmes

Reviewed-by: dholmes

Summary: Instead of 'fpclass', use cast float->int and double->long to check if value is +0.0f and +0.0d, respectively.
Reviewed-by: kvn, simonis, dlong

Reviewed-by: dholmes, erikj

8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale
Summary: optimize the adjust_method_entries functions by using the orig_method_idnum() function
Reviewed-by: coleenp, dcubed

Summary: Relax the guaranty for deleted methods
Reviewed-by: dcubed, coleenp

Reviewed-by: dholmes

Summary: Fixed by removing all code related to LowMemoryProtection, which removed offending code.
Reviewed-by: dholmes, minqi

Summary: Warning when not checking exceptions from function that require so, also when local refs expand beyond capacity.
Reviewed-by: dsimms

Summary: Cast arguments on printing
Reviewed-by: dholmes, sspitsyn, jbachorik

Summary: move free call few lines down
Reviewed-by: dholmes, sspitsyn