//            return func() {
	//                    _cgoCheckPointer(_cgo0, nil)
	//                    C.f(_cgo0)
	//            }
	//    }()()
	// This works because the defer statement evaluates the first
	// function literal in order to get the function to call.

	var sb bytes.Buffer
	sb.WriteString("func() ")
	if call.Deferred {
		sb.WriteString("func() ")
	}

	needsUnsafe := false