hg: jdk/sandbox: 8244203: sun/tools/jhsdb/HeapDumpTestWithActiveProcess.java fails with NullPointerException

[chris.hegarty at oracle.com]

Changeset: b980b0247350
Author:    cjplummer
Date:      2020-05-22 13:29 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/b980b0247350

8244203: sun/tools/jhsdb/HeapDumpTestWithActiveProcess.java fails with NullPointerException
Reviewed-by: sspitsyn, dtitov

! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/classfile/ClassLoaderData.java
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/memory/Dictionary.java
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/InstanceKlass.java
! test/hotspot/jtreg/serviceability/sa/ClhsdbClasses.java