hg: jdk/sandbox: 8210557: G1 next bitmap verification at the end of concurrent mark sometimes fails

[chris.hegarty at oracle.com]

Changeset: b177af763b82
Author:    tschatzl
Date:      2018-09-21 15:11 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/b177af763b82

8210557: G1 next bitmap verification at the end of concurrent mark sometimes fails
Summary: Removed unnecessary verification that can cause spurious false alarm.
Reviewed-by: sjohanss, 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/gc/g1/g1ConcurrentMarkThread.cpp