hg: jdk/jdk: 8235913: ThreadStop should be a handshake

[robbin.ehn at oracle.com]

Changeset: 4b10f3b74fcc
Author:    rehn
Date:      2019-12-19 17:02 +0100
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/4b10f3b74fcc

8235913: ThreadStop should be a handshake
Reviewed-by: dholmes, mdoerr

! src/hotspot/share/code/icBuffer.cpp
! src/hotspot/share/runtime/thread.cpp
! src/hotspot/share/runtime/vmOperations.cpp
! src/hotspot/share/runtime/vmOperations.hpp