[RFA] Need post-processing of parameters for function calls in Ada

[Joel Brobecker]

> > Should I proceed with my proposal?
> 
> I would prefer to put the call inside the existing value_arg_coerce,
> at least to start with.

Do you mean: dropping the new language field, and just add a call
to the Ada coerce routine inside value_arg_coerce (or in other words,
more the change I first proposed inside value_arg_coerce)? That's
a much smaller change, and I'm OK with that!

-- 
Joel