Merge

6927165: Zero S/390 fixes Summary: Fixes two failures on 31-bit S/390. Reviewed-by: twisti Contributed-by: Gary Benson <gbenson@redhat.com>

6926782: CodeBuffer size too small after 6921352 Summary: After 6921352 the CodeBuffer size was too small. Reviewed-by: kvn, never

6877221: Endless deoptimizations in OSR nmethod Reviewed-by: kvn

6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete Summary: Define AdapterHandlerTableIterator class as non product instead of debug. Reviewed-by: never

Merge

6923991: G1: improve scalability of RSet scanning Summary: Implemented block-based work stealing. Moved copying during the rset scanning phase to the main copying phase. Made the size of rset table depend on the region size. Reviewed-by: apetrusenko, tonyp

6782663: Data produced by PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime is not accurate. Summary: Update and display the timers associated with these flags for all safepoints. Reviewed-by: ysr, jcoomes

6802453: G1: hr()->is_in_reserved(from),"Precondition." Summary: The operations of re-using a RSet component and expanding the same RSet component were not mutually exlusive, and this could lead to RSets getting corrupted and entries being dropped. Reviewed-by: iveresov, johnc

6920977: G1: guarantee(k == probe->klass(),"klass should be in dictionary") fails Summary: the guarantee is too strict and the test will fail (incorrectly) if the class is not in the system dictionary but in the placeholders. Reviewed-by: acorn, phh

Merge

6926048: Improve Zero performance Summary: Make Zero figure out result types in a similar way to C++ interpreter implementation. Reviewed-by: kvn Contributed-by: gbenson@redhat.com