git: openjdk/mobile: 8235913: ThreadStop should be a handshake

[duke]

Changeset: a170a4af
Author:    Robbin Ehn <rehn at openjdk.org>
Date:      2019-12-19 17:02:11 +0000
URL:       https://git.openjdk.java.net/mobile/commit/a170a4af

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