[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8258284: clean up issues with nested ThreadsListHandles

[Daniel D.Daugherty]

Changeset: 172af152
Author:    Daniel D. Daugherty <dcubed at openjdk.org>
Date:      2020-12-22 14:07:43 +0000
URL:       https://git.openjdk.java.net/aarch64-port/commit/172af152

8258284: clean up issues with nested ThreadsListHandles

Reviewed-by: eosterlund, rehn

! src/hotspot/share/runtime/thread.hpp
! src/hotspot/share/runtime/threadSMR.cpp
! src/hotspot/share/runtime/threadSMR.hpp
+ test/hotspot/gtest/runtime/test_ThreadsListHandle.cpp