// errorcheck // Copyright 2009 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 import os "os" type _ os.FileInfo func f() (os int) { // In the next line "os" should refer to the result variable, not // to the package. v := os.Open("", 0, 0); // ERROR "undefined" _ = v return 0 }