RFR (S) CR 8023638: Add the regression test for 8006997

[Aleksey Shipilev]

Thanks Mikhailo and Collen for review!

-Aleksey.

On 08/23/2013 10:06 PM, Mikhailo Seledtsov wrote:
> Hi Aleksey,
> 
>  Test looks good.
> 
> Misha
> 
> On 8/23/2013 1:50 PM, Coleen Phillimore wrote:
>>
>> This looks good.
>> Thanks,
>> Coleen
>>
>> On 8/23/2013 7:24 AM, Aleksey Shipilev wrote:
>>> Hi,
>>>
>>> The latest bug scrub identified one of the issues lacking the regression
>>> test, where it does make sense to create one.
>>>
>>> Background: -XX:ContendedPaddingWidth=# is range-checked on VM side to
>>> be in [0; 8192], plus being the multiple of 8. The test checks multiple
>>> values around the failure point.
>>>
>>> Here's the webrev:
>>>    http://cr.openjdk.java.net/~shade/8023638/webrev.00/
>>>
>>> Testing:
>>>    - this test is trivial, and excersises the common code path in VM,
>>> hence only Linux x86_64/release was tested.
>>>
>>> Please review!
>>>
>>> Thanks,
>>> -Aleksey.
>>
>