RFR(s): 8197993: Remove last use of JavaThread::flush_barrier_queues()

[Erik Österlund]

Hi Per,

Looks good.

/Erik

On 2018-02-15 10:33, Per Liden wrote:
> With the introduction of BarrierSet::flush_deferred_barriers() there's 
> no reason to keep JavaThread::flush_barrier_queues() around anymore. 
> Replace the last call-site with a call to the barrier set instead.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8197993
> Webrev: http://cr.openjdk.java.net/~pliden/8197993/webrev.0/
>
> /Per