hg: jdk/submit: 8222518: Remove unnecessary caching of Parker object in java.lang.Thread

[david.holmes at oracle.com]

Changeset: 9ebb614d293d
Author:    dholmes
Date:      2019-04-26 00:57 -0400
URL:       http://hg.openjdk.java.net/jdk/submit/rev/9ebb614d293d

8222518: Remove unnecessary caching of Parker object in java.lang.Thread
Reviewed-by: dcubed, rehn

! src/hotspot/share/classfile/javaClasses.cpp
! src/hotspot/share/classfile/javaClasses.hpp
! src/hotspot/share/prims/unsafe.cpp
! src/java.base/share/classes/java/lang/Thread.java