Reviewed-by: johnc

Summary: Revert 7116481 to current hsx/hotspot-main
Reviewed-by: kamg

Summary: Add -XX:+UnlockCommercialVMOptions to gate use of commercial feature switches in the same way as -XX:UnlockDiagnosticVMOptions gates use of diagnostic feature switches.
Reviewed-by: jwilhelm, kamg

Summary: Added JVM_SetNativeThreadName to linker mapfiles on Solaris and Linux.
Reviewed-by: dcubed, dholmes
Contributed-by: michael.x.mcmahon@oracle.com

Summary: Remove obsolete code.
Reviewed-by: brutisso, ysr, jcoomes

Summary: Remove dead code.
Reviewed-by: stefank, ysr

Summary: Add the new path to precompiled.hpp in the project make file
Reviewed-by: coleenp, dholmes, brutisso
Contributed-by: Nrbackman <rickard.backman@oracle.com>

Reviewed-by: johnc
Contributed-by: alejandro.murillo@oracle.com

Summary: Parallelize the serial code that was used to mark objects reachable from survivor objects in the collection set. Some minor improvments in the timers used to track the freeing of the collection set along with some tweaks to PrintGCDetails.
Reviewed-by: tonyp, brutisso

Summary: Race between the VM thread reading G1CollectedHeap::_mark_in_progress and it being set by the concurrent mark thread when concurrent marking is aborted by a full GC. Have the concurrent mark thread join the SuspendibleThreadSet before changing the marking state.
Reviewed-by: tonyp, brutisso

Reviewed-by: dholmes, dsamersoff
Contributed-by: NChris Hegarty <chris.hegarty@oracle.com>

Reviewed-by: ysr, dholmes

Summary: Reduce what arrayOopDesc::max_array_length() returns to avoid int overflow
Reviewed-by: kvn, dholmes, tonyp

Summary: Disable PrintVMOptions by default for all builds
Reviewed-by: dsamersoff, twisti

Summary: Added case for _adaptive_size_policy
Reviewed-by: johnc, ysr

Summary: Use dead nodes elimination code in PhaseIdealLoop before executing EA.
Reviewed-by: never, twisti

Summary: zero array when compiled code is deoptimized.
Reviewed-by: never, twisti

7087727: JSR 292: C2 crash if ScavengeRootsInCode=2 when "static final" MethodHandle constants are in use
Reviewed-by: jrose, kvn, never

Reviewed-by: kvn, twisti

Reviewed-by: jrose, kvn

Reviewed-by: kvn, jrose, twisti

Reviewed-by: johnc, brutisso, poonam

Summary: Keep track of all the old regions in the heap with a heap region set.
Reviewed-by: brutisso, johnc

Summary: Split adjust_escape_state() method into two methods to find initializing stores.
Reviewed-by: never

Reviewed-by: johnc
Contributed-by: alejandro.murillo@oracle.com

Reviewed-by: never, kvn
Contributed-by: NAndreas Schoesser <andreas.schoesser@sap.com>