RFR: Quarantine ShenandoahStrDedupStress test

[Zhengyu Gu]

On 10/15/2018 05:02 PM, Aleksey Shipilev wrote:
> On 10/15/2018 10:12 PM, Zhengyu Gu wrote:
>> The test times out intermittently, let's put it in problem list for now.
>>
>> Webrev: http://cr.openjdk.java.net/~zgu/shenandoah/quarantine_dedup_stress/webrev.00/
> 
> Okay, but we need to fix this test ASAP.

Let's find out if it has anything to do with negative index bug, cause I 
could not reproduce it since last change. I don't want to bury the bug, 
if any further change that can make it disappear.

Make sense?

Thanks,

-Zhengyu

> 
> -Aleksey
>