hg: shenandoah/jdk9/hotspot: Heap region verification

[ashipile at redhat.com]

Changeset: ce9727049059
Author:    shade
Date:      2017-06-13 17:44 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/ce9727049059

Heap region verification

! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.hpp
! src/share/vm/gc/shenandoah/shenandoahMarkCompact.cpp
! src/share/vm/gc/shenandoah/shenandoahVerifier.cpp