Summary: Ergonomics updates flags for number of GC threads
Reviewed-by: tschatzl, jwilhelm
Contributed-by: sangheon.kim@oracle.com

8058536: java/lang/instrument/NativeMethodPrefixAgent.java fails due to VirtualMachineError: out of space in CodeCache for method handle intrinsic
Summary: Make sure MH intrinsics can be created before compiler instances
Reviewed-by: kvn

Reviewed-by: coleenp, minqi

Reviewed-by: jcoomes

Summary: Provide promoted stack slots for floating-point registers in the SPARC c_calling_convention.
Reviewed-by: kvn, jrose, drchase

Reviewed-by: lfoltan, hseigel

Reviewed-by: brutisso, tschatzl

8058481: Test gc/class_unloading/TestCMSClassUnloadingDisabledHWM.java was removed, but TEST.groups still refers to it
Reviewed-by: tschatzl, fzhinkin, mgerdin

Reviewed-by: brutisso, jwilhelm

Reviewed-by: brutisso, mgerdin, tschatzl

Summary: Remove unnecessary inclusion of HS_ALT_MAKE from solaris Makefile
Reviewed-by: erikj, dholmes

Reviewed-by: fparain, dcubed, mdoerr
Contributed-by: NBill Pittore <bill.pittore@oracle.com>

Reviewed-by: jcoomes

Summary: Replace G1CodeRootSet with a Hashtable based implementation, merge Code Root Migration phase into Code Root Scanning
Reviewed-by: jmasa, brutisso, tschatzl

Reviewed-by: gziemski, jmasa, brutisso, coleenp, tschatzl

Summary: Added a test case the UnsafeRawOp intrinsics
Reviewed-by: kvn

Summary: Fix UnsafeRawOp optimizations
Reviewed-by: kvn, drchase, vlivanov

8058936: hotspot/test/Makefile should use jtreg script from $JT_HOME/bin/jreg (instead of $JT_HOME/win32/bin/jtreg)
Reviewed-by: dholmes, stefank

Summary: Ensure MethodCounters are created before method is enqueued for compilation
Reviewed-by: kvn, drchase, jiangli, roland

Summary: Copied CDS tests from jdk-9 to jdk8u40
Reviewed-by: ccheung, dholmes

Reviewed-by: jcoomes

Reviewed-by: kvn