hg: shenandoah/jdk: SATB buffer filtering/compaction hides unmarked objects until final-mark

[ashipile at redhat.com]

Changeset: 2eeb051dc58d
Author:    shade
Date:      2018-06-19 17:37 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/2eeb051dc58d

SATB buffer filtering/compaction hides unmarked objects until final-mark

! src/hotspot/share/gc/g1/ptrQueue.cpp
! src/hotspot/share/gc/g1/ptrQueue.hpp
! src/hotspot/share/gc/g1/satbMarkQueue.cpp
! src/hotspot/share/gc/shenandoah/shenandoah_globals.hpp