hg: jdk/jdk: 8224751: Shenandoah: Shenandoah Verifier should select proper roots according to current GC cycle

[zgu at redhat.com]

Changeset: 812212323fb1
Author:    zgu
Date:      2019-05-27 14:34 -0400
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/812212323fb1

8224751: Shenandoah: Shenandoah Verifier should select proper roots according to current GC cycle
Reviewed-by: rkennke

! src/hotspot/share/gc/shenandoah/shenandoahRootVerifier.cpp
! src/hotspot/share/gc/shenandoah/shenandoahRootVerifier.hpp
! src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp