RFR: 8215097: Do not create NonJavaThreads before BarrierSet

[Roman Kennke]

>>> On Dec 9, 2018, at 5:37 PM, Roman Kennke <rkennke at redhat.com> wrote:
>>> Shenandoah also creates workers in constructors. May I request to hold
>>> this off a little bit to avoid making a mess out of the very soon
>>> upstream push? I'm open to moving this into initialize() but I cannot
>>> tell real quick if it has or hasn't any funny side-effects.
>>
>> Looks like Shenandoah has been pushed.
> 
> I’m planning to push tomorrow, unless there are objections.  That will give > 24 hours
> for all the world’s overnight testing to pick up the Shenandoah integration.

I just checked Shenandoah. It doesn't seem affected by it.

Roman