hg: jdk/jdk: 8225478: Make G1CMRootRegions independent of HeapRegions

[thomas.schatzl at oracle.com]

Changeset: 755e82641224
Author:    sangheki
Date:      2019-06-12 10:34 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/755e82641224

8225478: Make G1CMRootRegions independent of HeapRegions
Summary: Remove dependency of HeapRegion from G1CMRootRegions class
Reviewed-by: tschatzl, kbarrett

! src/hotspot/share/gc/g1/g1CollectedHeap.cpp
! src/hotspot/share/gc/g1/g1ConcurrentMark.cpp
! src/hotspot/share/gc/g1/g1ConcurrentMark.hpp
! src/hotspot/share/memory/memRegion.hpp