RFR: Make Zero build and run with JDK8

[Roman Kennke]

Am Freitag, den 12.10.2012, 07:23 -0400 schrieb Coleen Phillmore:
> Hi,
> I looked at this briefly and it looks okay from the cpp interpreter 
> part.  Thank you for getting zero working again.   We tried to keep it 
> in sync with the permgen removal changes but didn't regularly test 
> this.   Hello world as a test for this is probably enough to verify your 
> changes to the non-JSR292 part.
> For JSR292 testing, you need to get a full jdk repository and go to the 
> jdk/test/java/lang/invoke and run the tests with jtreg.   How to run and 
> install jtreg is on the openjdk pages, and it's happily easy to do.

Ah, and before you mention it as well, I downloaded and run JRuby, the
examples that ship with JRuby run just as well with Zero as they do with
x86 hotspot. However, I am not sure if this exercises JSR292 or not, or
what would be necessary to do so, etc.

Roman