On Apr 1, 2015, at 1:56 PM, Vladimir Ivanov <vladimir.x.iva...@oracle.com> 
wrote:
> 
> http://cr.openjdk.java.net/~vlivanov/8057967/webrev.00/hotspot/
> http://cr.openjdk.java.net/~vlivanov/8057967/webrev.00/jdk/
> https://bugs.openjdk.java.net/browse/JDK-8057967

Impressive work.

Question:  How common is state 2 (context-free CS) compared to state 3 
(indy-bound CS)?

And is state 2 well tested by Box2D?

I recommend putting CONTEXT_OFFSET into CallSite, not the nested class.
For one thing, your getDeclaredField call will fail (I think) with a security 
manager installed.
You can load it up where TARGET_OFFSET is initialized.

I haven't looked at the JVM changes yet, and I don't understand the cleaner, 
yet.

Can a call site target class change as a result of LF recompiling or 
customization?
If so, won't that cause a risk of dropped dependencies?

— John
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