var callsite = self.callsite.as(not null)
if callsite.is_broken then return null
var args = v.varargize(callsite.mpropdef, callsite.signaturemap, recv, self.raw_arguments)
var callsite = self.callsite.as(not null)
if callsite.is_broken then return null
var args = v.varargize(callsite.mpropdef, callsite.signaturemap, recv, self.raw_arguments)