hg: jdk/submit11: 8205426: Humongous continues remembered set does not match humongous start region one after Remark

[thomas.schatzl at oracle.com]

Changeset: fc9dd181d70e
Author:    tschatzl
Date:      2018-07-09 10:19 +0200
URL:       http://hg.openjdk.java.net/jdk/submit11/rev/fc9dd181d70e

8205426: Humongous continues remembered set does not match humongous start region one after Remark
Summary: Remembered set states for humongous objects crossing an internal per-thread processing threshold could synchronized if the humongous continues regions were processed first.
Reviewed-by: ehelin, kbarrett

! src/hotspot/share/gc/g1/g1ConcurrentMark.cpp
! src/hotspot/share/gc/g1/g1RemSetTrackingPolicy.cpp
! src/hotspot/share/gc/g1/g1RemSetTrackingPolicy.hpp
+ test/hotspot/jtreg/gc/g1/TestHumongousRemsetsMatch.java