git: openjdk/mobile: 8231324: Shenandoah: avoid duplicated weak root works during final traversal

[duke]

Changeset: 7987b2fb
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2019-10-18 11:36:35 +0000
URL:       https://git.openjdk.java.net/mobile/commit/7987b2fb

8231324: Shenandoah: avoid duplicated weak root works during final traversal

Reviewed-by: rkennke

! src/hotspot/share/gc/shenandoah/shenandoahClosures.hpp
! src/hotspot/share/gc/shenandoah/shenandoahClosures.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.cpp
! src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.hpp
! src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp