hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: cf5a0e951c9e
Author:    zgu
Date:      2020-04-22 17:59 -0400
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/cf5a0e951c9e

8243323: Shenandoah: Recycle immediate garbage before concurrent class unloading
Reviewed-by: shade

! src/hotspot/share/gc/shenandoah/shenandoahControlThread.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
! src/hotspot/share/gc/shenandoah/shenandoahPhaseTimings.hpp

Changeset: 46bca5e5e6fb
Author:    cjplummer
Date:      2020-04-22 15:09 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/46bca5e5e6fb

8243210: ClhsdbScanOops fails with NullPointerException in FileMapHeader.inCopiedVtableSpace
Reviewed-by: iklam, sspitsyn

! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/memory/FileMapInfo.java
! test/hotspot/jtreg/ProblemList.txt