hg: jdk/sandbox: 8246591: Shenandoah: move string dedup roots scanning to concurrent phase

[chris.hegarty at oracle.com]

Changeset: a94702f4f69f
Author:    zgu
Date:      2020-06-10 08:34 -0400
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/a94702f4f69f

8246591: Shenandoah: move string dedup roots scanning to concurrent phase
Reviewed-by: shade

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