RFR(M): 8206141: [lworld] Improve accessing a flattened value type array passed as Object[]

[Roland Westrelin]

Hi Ioi,

Thanks for looking at this change.

> Could the above blocks be somehow refactored, along with the following 
> method, so we can avoid duplicated code?

Right. Here is a new webrev:

http://cr.openjdk.java.net/~roland/8206141/webrev.02/

Roland.