On Jun 21, 2011, at 12:31 AM, Rémi Forax wrote:

> Sorry Mark and Tom, I should have been more clear.
> The idea is to artificially put a "never seen" flag in front of the *last* 
> fallback
> in the GWT chain.

Yes.  One way to do this is with a VM-internal combinator that simply notes 
execution and calls its target.  The VM would compile differently depending on 
whether execution has been noted.

-- John
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