RFR(XS): 8076094: CheckCastPPNode::Value() has outdated logic for constants

[Roland Westrelin]

Thanks for the reviews Vladimir & Vladimir.

Roland.

> On Mar 26, 2015, at 5:00 PM, Vladimir Ivanov <vladimir.x.ivanov at oracle.com> wrote:
> 
> Looks good.
> 
> Best regards,
> Vladimir Ivanov
> 
> On 3/26/15 6:02 PM, Roland Westrelin wrote:
>> http://cr.openjdk.java.net/~roland/8076094/webrev.00/
>> 
>> I noticed this logic in CheckCastPPNode::Value() that doesn’t seem to make sense and asked John about it. He said it might be outdated. I removed it and had it go through testing and saw no problem. I propose we remove it.
>> 
>> Roland.
>>