git: openjdk/loom: fibers: add extra checks to JVMTI monitor handshakes

[duke]

Changeset: 7773c906
Author:    Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2020-07-05 08:38:06 +0000
URL:       https://git.openjdk.java.net/loom/commit/7773c906

add extra checks to JVMTI monitor handshakes

! src/hotspot/share/prims/jvmtiEnv.cpp
! src/hotspot/share/prims/jvmtiEnvBase.cpp
! src/hotspot/share/prims/jvmtiEnvBase.hpp