Other solution, is to change NBFFIConst and be more forgiving about constants range

(so if it sees large positive integer which don't fits into 32-bit signed integer range, assume it is unsigned 32-but integer
and use proper immediate type during code generation).

I know this could be 'least surprising behavior' , only because this is how C works by not caring about signed/unsigned value assignments.

But when i was doing it i decided to be more strict, because implicit conversions have one big downside:

��- if there's a malfunction in your code, you often find yourself in a position to wonder, whether it breaks because implicit conversion _applied_ in a place where you didn't expected or it is because it is _not applied_ in a place where you actually expected. :)

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Best regards,
Igor Stasenko.