hg: shenandoah/jdk10/hotspot: Humongous top() should be correct for iteration

[ashipile at redhat.com]

Changeset: d0087940eda5
Author:    shade
Date:      2017-09-12 14:45 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/hotspot/rev/d0087940eda5

Humongous top() should be correct for iteration

! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.cpp
! src/share/vm/gc/shenandoah/shenandoahFreeSet.cpp
! src/share/vm/gc/shenandoah/shenandoahFreeSet.hpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.hpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.cpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.hpp
! src/share/vm/gc/shenandoah/shenandoahMarkCompact.cpp
! test/gc/shenandoah/HumongousThreshold.java