// Create a new wrapper function without parameters or results.
wrapperFn := ir.NewClosureFunc(n.Pos(), n.Pos(), n.Op(), types.NewSignature(nil, nil, nil), ir.CurFunc, Target)
+ wrapperFn.DeclareParams(true)
wrapperFn.SetWrapper(true)
// argps collects the list of operands within the call expression