RFR: Fix and enable suspendible workers by default

[Aleksey Shipilev]

On 10/06/2018 12:26 PM, Roman Kennke wrote:
>> On 10/06/2018 12:18 PM, Roman Kennke wrote:
>>> Benchmarks have not shown regressions.
>>>
>>>> Look at this webrev instead. I remove stray includes in 2 non-Shenandoah
>>>> files that slipped in by accident:
>>>>
>>>> http://cr.openjdk.java.net/~rkennke/fix-enable-susp-workers/webrev.01/
>>
>> Looks good, let's go with it.
> 
> Have you tried/can you try the failing lucene-solr test with the jdk8u
> patch that I've sent?

Just tried, still same failures.

BTW, non-PCH build had failed in 8u with 8u version of the patch.

-Aleksey