Augment_specialised_args.What_to_specialise
val create : set_of_closures:Flambda.set_of_closures -> t
val new_specialised_arg :
t ->
fun_var:Variable.t ->
group:Variable.t ->
definition:Definition.t ->
t
val make_direct_call_surrogate_for : t -> fun_var:Variable.t -> t