git: openjdk/jdk: 8297427: Avoid keeping class loaders alive when executing ClassLoaderStatsVMOperation

[Stefan Johansson]

Changeset: eea1a8a9
Author:    Stefan Johansson <sjohanss at openjdk.org>
Date:      2022-12-01 10:30:14 +0000
URL:       https://git.openjdk.org/jdk/commit/eea1a8a95e172ef5221ab622d171f46cc6cbb598

8297427: Avoid keeping class loaders alive when executing ClassLoaderStatsVMOperation

Reviewed-by: eosterlund, stefank

! src/hotspot/share/classfile/classLoaderDataGraph.cpp
! src/hotspot/share/classfile/classLoaderDataGraph.hpp
! src/hotspot/share/classfile/classLoaderStats.cpp
! src/hotspot/share/classfile/javaClasses.cpp
! src/hotspot/share/classfile/javaClasses.hpp
! src/hotspot/share/prims/whitebox.cpp
+ test/hotspot/jtreg/runtime/ClassUnload/UnloadTestDuringClassLoaderStatsVMOperation.java
+ test/hotspot/jtreg/runtime/ClassUnload/classes/test/LoadInChild.java
+ test/hotspot/jtreg/runtime/ClassUnload/classes/test/LoadInParent.java
! test/lib/jdk/test/whitebox/WhiteBox.java