Review request:Updated JDK-8004728 Add hotspot support for parameter reflection

[Eric McCorkle]

Hello,

I have made some nontrivial changes to the hotspot side of parameter
reflection.  Please review again.

The original summary of the feature is as follows:

This is the VM side of the implementation of method parameter
reflection.  The implementation has been tested by building and running
regression tests with javac hardwired to produce classfiles containing
MethodParameters attributes.


Updates:

I have fixed issues with Method* vs methodHandle, some errors that arose
while testing the reflection API, and some suggested cosmetic changes.
There were also some additional changes that were necessitated by
changes in the reflection API implementation.


The new feature is here:
http://bugs.sun.com/view_bug.do?bug_id=8004728


The open webrev is here:
http://oklahoma.us.oracle.com/~cphillim/webrev/eric.webrev2/



The most recent version of the feature specification can be found here:
http://cr.openjdk.java.net/~abuckley/8misc.pdf

Thanks,
Eric