RFR(XS): 8214728: Unnecessary InstanceKlass::cast at few places

[Calvin Cheung]

Thanks, Coleen.
Calvin

On 12/4/18, 11:32 AM, coleen.phillimore at oracle.com wrote:
>
> Thank you for doing this.  I'd also say this looks trivial and can be 
> checked in with us 3! reviewers.
> Coleen
>
> On 12/4/18 2:23 PM, Calvin Cheung wrote:
>> Thanks for your quick review, Lois and Jiangli.
>>
>> Calvin
>>
>> On 12/4/18, 11:14 AM, Jiangli Zhou wrote:
>>> +1
>>>
>>> Thanks,
>>>
>>> Jiangli
>>>
>>>
>>> On 12/4/18 11:07 AM, Lois Foltan wrote:
>>>> Looks good.
>>>> Lois
>>>>
>>>> On 12/4/2018 2:00 PM, Calvin Cheung wrote:
>>>>> bug: https://bugs.openjdk.java.net/browse/JDK-8214728
>>>>> webrev: http://cr.openjdk.java.net/~ccheung/8214728/webrev.00/
>>>>>
>>>>> A simple change to remove unnecessary InstanceKlass::cast at 3 
>>>>> places.
>>>>>
>>>>> Ran hs-tier{1,2,3} tests.
>>>>>
>>>>> thanks,
>>>>> Calvin
>>>>
>>>
>