hg: jdk/sandbox: 8227866: Shenandoah: Split weak root processing and class unloading in parallel cleaning task

[chris.hegarty at oracle.com]

Changeset: bf8128faace1
Author:    zgu
Date:      2019-07-13 12:15 -0400
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/bf8128faace1

8227866: Shenandoah: Split weak root processing and class unloading in parallel cleaning task
Reviewed-by: rkennke

! src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
+ src/hotspot/share/gc/shenandoah/shenandoahParallelCleaning.cpp
+ src/hotspot/share/gc/shenandoah/shenandoahParallelCleaning.hpp
+ src/hotspot/share/gc/shenandoah/shenandoahParallelCleaning.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahStringDedup.cpp
! src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp