hg: jdk/jdk: 8215355: Object monitor deadlock with no threads holding the monitor (using jemalloc 5.1)

[david.holmes at oracle.com]

Changeset: 189f47d990b5
Author:    dholmes
Date:      2019-11-18 23:41 -0500
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/189f47d990b5

8215355: Object monitor deadlock with no threads holding the monitor (using jemalloc 5.1)
Reviewed-by: rehn, stuefe, dcubed, sspitsyn

! src/hotspot/share/runtime/thread.cpp
! src/hotspot/share/runtime/thread.hpp
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/JavaThread.java