hg: jdk10/hs/hotspot: 8180175: ObjectSynchronizer only needs to iterate in-use monitors

[david.holmes at oracle.com]

Changeset: 85736adb8318
Author:    rkennke
Date:      2017-05-17 23:36 +0200
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/85736adb8318

8180175: ObjectSynchronizer only needs to iterate in-use monitors
Summary: When using -XX:+MonitorInUseLists, then only iterate in-use monitors.
Reviewed-by: zgu, dholmes, rehn

! src/share/vm/runtime/synchronizer.cpp
! src/share/vm/runtime/synchronizer.hpp
! src/share/vm/runtime/thread.cpp