hg: jdk/submit: Patch for JDK-8227225 (webrev.1)

[tprintezis at twitter.com]

Changeset: 6f16b19e3625
Author:    tonyp
Date:      2019-07-29 14:50 -0400
URL:       https://hg.openjdk.java.net/jdk/submit/rev/6f16b19e3625

Patch for JDK-8227225 (webrev.1)

! src/hotspot/share/gc/parallel/parallelScavengeHeap.cpp
! src/hotspot/share/gc/parallel/parallelScavengeHeap.hpp
! src/hotspot/share/gc/parallel/psMarkSweep.cpp
! src/hotspot/share/gc/parallel/psOldGen.cpp
! src/hotspot/share/gc/parallel/psOldGen.hpp
! src/hotspot/share/gc/parallel/psParallelCompact.cpp
! src/hotspot/share/gc/parallel/psParallelCompact.hpp
! src/hotspot/share/gc/parallel/psScavenge.cpp
! src/hotspot/share/gc/parallel/psYoungGen.cpp
! src/hotspot/share/gc/parallel/psYoungGen.hpp
+ src/hotspot/share/gc/shared/preGCValues.hpp