hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: 6b9d41cd75e3
Author:    kbarrett
Date:      2020-05-14 08:24 -0400
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/6b9d41cd75e3

8244684: G1 abuses StarTask to also include partial objarray scan tasks
Summary: New ScannerTask and PartialArrayScanTask, initially used by G1
Reviewed-by: tschatzl, sjohanss

! src/hotspot/share/gc/g1/g1CollectedHeap.cpp
! src/hotspot/share/gc/g1/g1CollectedHeap.hpp
! src/hotspot/share/gc/g1/g1CollectedHeap.inline.hpp
! src/hotspot/share/gc/g1/g1OopClosures.inline.hpp
! src/hotspot/share/gc/g1/g1ParScanThreadState.cpp
! src/hotspot/share/gc/g1/g1ParScanThreadState.hpp
! src/hotspot/share/gc/g1/g1ParScanThreadState.inline.hpp
! src/hotspot/share/gc/shared/taskqueue.hpp

Changeset: 4db004a125fa
Author:    erikj
Date:      2020-05-14 05:35 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/4db004a125fa

8244945: Mark VS2019 as supported and default
Reviewed-by: ihse

! make/autoconf/toolchain_windows.m4