Reviewed-by: stefank, jmasa

Summary: Add missing check for Opaque nodes from loop predicates in clone_loop().
Reviewed-by: iveresov

Summary: Access to method_type and appendix from constant pool (cpcache) needs to be guarded by is_f1_null() because of racy update/initialization.
Reviewed-by: kvn, coleenp, jrose

Summary: Removed all write barriers during reference processing and added explicit write barriers when iterating through the discovered list.
Reviewed-by: pliden, jmasa, tschatzl

Summary: remove_osr_nmethod doesn't check that it is the correct method
Reviewed-by: kvn, iveresov

Reviewed-by: sla, allwin

Reviewed-by: jcoomes

Summary: Add a !owner check for 'waiting to lock' to catch current_pending_monitor corner cases.
Reviewed-by: dholmes, sspitsyn, kmo, zgu
Contributed-by: rednaxelafx@gmail.com, zhengyu.gu@oracle.com, daniel.daugherty@oracle.com

Summary: long series of lambda form calls trigger stack overflow in c2
Reviewed-by: kvn, vlivanov

Reviewed-by: ehelin, jwilhelm

Summary: Remove control edge of load node to ensure that castPP removal sets the control edge correctly
Reviewed-by: kvn, roland

Reviewed-by: coleenp, lfoltan, kvn

Summary: The build of Hotspot should not remove the symlinks for libjsig.
Reviewed-by: dcubed, dholmes, lfoltan

Summary: save cipher len after registers are saved
Reviewed-by: kvn
Contributed-by: shrinivas.joshi@oracle.com

Summary: Pass correct value to post-barrier in UnsafeGetAndSetObject
Reviewed-by: roland, vlivanov

Summary: In case of allocation failure, restore the value of _chunk in Arena
Reviewed-by: dholmes, dcubed

Summary: In bcEscapeAnalyzer update the _allocated_escapes flag if a var escapes the method.
Reviewed-by: kvn

Reviewed-by: jcoomes

Reviewed-by: tschatzl, mgerdin

Reviewed-by: brutisso, tschatzl

Reviewed-by: brutisso, ehelin