hg: jdk/sandbox: 8202773: Unhandled oop in JavaThread::collect_counters

[chris.hegarty at oracle.com]

Changeset: e32abf6409af
Author:    kvn
Date:      2018-05-10 09:27 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/e32abf6409af

8202773: Unhandled oop in JavaThread::collect_counters
Summary: remove MutexLocker
Reviewed-by: dcubed

! src/hotspot/share/runtime/thread.cpp