RFR(M) 8173846: [AOT] Stubs hang onto intermediate compiler state forever

[Igor Veresov]

Forgot to mention that the code is contributed by Tom Rodriguez and the Graal part will be pushed to graal-core.

igor

> On Feb 2, 2017, at 11:14 AM, Igor Veresov <igor.veresov at oracle.com> wrote:
> 
> This a port of Graal change that alters the API that is used by the jaotc. In order to maintain drop-in compatibility with Graal, it's important to follow this API change in jaotc. The change essentially gets rid of Stub.compResult and Stub.compiledCode fields that hang on to the compilation state.
> 
> Webrev: http://cr.openjdk.java.net/~never/aot-stub-changes/webrev
> 
> Thanks,
> igor