git: openjdk/mobile: 8234974: Shenandoah: Do concurrent roots even when no evacuation is necessary

[duke]

Changeset: 8a54d97a
Author:    Roman Kennke <rkennke at openjdk.org>
Date:      2019-12-12 18:34:30 +0000
URL:       https://git.openjdk.java.net/mobile/commit/8a54d97a

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