RFR(XS): 8185573: [MVT] Remove references to vgetfield from compiler code

[Paul Sandoz]

Looks good to me,
Paul.

> On 31 Jul 2017, at 06:53, Tobias Hartmann <tobias.hartmann at oracle.com> wrote:
> 
> Hi,
> 
> https://bugs.openjdk.java.net/browse/JDK-8185573
> http://cr.openjdk.java.net/~thartmann/valhalla/vt_prototype/webrev.37/
> 
> I removed all references to _vgetfield from compiler code because it's now a VM internal bytecode and may not show up in the Java bytecode stream (JDK-8185349).
> 
> All tests pass.
> 
> Thanks,
> Tobias