[plt-scheme] getting better speed with JIT

Jens Axel Soegaard wrote:

> However, since it is illegal to mutate a module-required
> variable, the compiler can safely inline the + in:
> 
>   (require mzscheme)
>   (define (foo a b) (+ a b))

Thanks. This is pretty much what the text in the mzc compiler manual 
says (even though that's a different beast from the JIT, no?). I think 
this should be more widely advertised. --PR