hg: jdk/sandbox: 8245827: Shenandoah: Cleanup Shenandoah code root iterators and root scanner

[chris.hegarty at oracle.com]

Changeset: ab2f81ba4e03
Author:    zgu
Date:      2020-05-27 10:55 -0400
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/ab2f81ba4e03

8245827: Shenandoah: Cleanup Shenandoah code root iterators and root scanner
Reviewed-by: shade

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