hg: jdk/jdk: 8234974: Shenandoah: Do concurrent roots even when no evacuation is necessary

[rkennke at redhat.com]

Changeset: c655545b6b82
Author:    rkennke
Date:      2019-12-12 18:34 +0100
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/c655545b6b82

8234974: Shenandoah: Do concurrent roots even when no evacuation is necessary
Reviewed-by: zgu

! src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.cpp
! src/hotspot/share/gc/shenandoah/shenandoahClosures.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahCodeRoots.cpp
! src/hotspot/share/gc/shenandoah/shenandoahCodeRoots.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahUnload.cpp