Summary: Use spin lock to manage ParkEvent and PlatformEvent free lists.
Reviewed-by: dholmes, fparain, dcubed, acorn

Summary: use the HAS_PENDING_EXCEPTION and CLEAR_PENDING_EXCEPTION macros
Reviewed-by: dholmes, coleenp, dcubed

Summary: added JNI exception pending check in several files under src/share/vm/prims directory
Reviewed-by: coleenp, minqi

Reviewed-by: jcoomes

Summary: added missing check for loop padding case.
Reviewed-by: kvn, jrose

Reviewed-by: dcubed, mgronlun

Summary: Remove search in system dictionary and hacks, replace with verifying in CLD::_klasses list.
Reviewed-by: dcubed, acorn

Reviewed-by: mgerdin, jmasa
Contributed-by: matthias.baesken@sap.com

Summary: Moved test code inside INCLUDE_ALL_GCS
Reviewed-by: stefank, ehelin

Summary: Move redo of ParkEvent.unpark() after JVMTI_EVENT_MONITOR_WAITED event handler is called.
Reviewed-by: rdurbin, acorn, sspitsyn, dsimms, dholmes

Summary: Revert JDK-6976350 because it does not improve PLAB fragmentation. To the contrary, it tends to increase the amount of wasted space with many threads.
Reviewed-by: brutisso

Summary: Move G1ParCopyClosure::copy_to_survivor_space to decrease code size.
Reviewed-by: stefank, jmasa

Summary: Remove the assumption that G1CollectedHeap::in_cset_fast_test needs to check for NULL references. Most of the time this is not required, making the code doing this check multiple times.
Reviewed-by: stefank, mgerdin, jmasa

Summary: Move methods that are not dependent on any of G1ParCopyClosure's template parameters into G1ParCopyHelper. Further remove unused methods and members of the class hierarchy.
Reviewed-by: mgerdin, stefank

Summary: Remove check for warning
Reviewed-by: ctornqvi, hseigel, coleenp

Summary: When string and symbol table unlink are not performed in parallel, the claim index we check is not updated, and so a guarantee fails. Take this into account when checking the guarantee.
Reviewed-by: brutisso, jwilhelm

8033106: Wrong predicate for checking whether the correct amount of symbol table entries have been processed in G1
Summary: The change fixes the predicate check.
Reviewed-by: jmasa, tonyp, stefank

Summary: Clean up and slightly optimize reference handling from the GC reference task queue. Since we never push partial array chunks as narrowOop* we can manually specialize the code so that some code can be optimized away.
Reviewed-by: tonyp, brutisso, stefank

Summary: Add test case for the VerifySilently flag.
Reviewed-by: brutisso