e.SetTypecheck(1)
	return e
}

// DeclareParams creates Names for all of the parameters in fn's
// signature and adds them to fn.Dcl.
//
// If setNname is true, then it also sets types.Field.Nname for each
// parameter.
func (fn *Func) DeclareParams(setNname bool) {
	if fn.Dcl != nil {
		base.FatalfAt(fn.Pos(), "%v already has Dcl", fn)
	}

		}
	}

	// Create a new wrapper function without parameters or results.
	wrapperFn := ir.NewClosureFunc(pos, pos, 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
	// that must be evaluated at the go/defer statement.
	var argps []*ir.Node