Plan 9 from Bell Labs’s /usr/web/sources/contrib/stallion/root/arm/go/test/fixedbugs/issue8440.go
// errorcheck // Copyright 2017 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main func main() { n.foo = 6 // ERROR "undefined: n in n.foo" }