On Aug 5, 2009, at 8:43 AM, Rémi Forax wrote:

> The next room of improvement is to directly put the bytecode weaver
> of the backport at the end of the JRuby ASM compiler.
> I hope this will reduce the startup time.

(Jumping into the middle...)

Sounds like an ASM compatibility mode.  Does ASM have an option to  
automagically rewrite ldc of CONSTANT_Class into the old idiom  
(synthetic static class$ field, etc.)?  If so, can that pattern  
stretch another order of magnitude to support some or all of the  
backport logic?

-- John
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