1// errorcheck
2
3// Copyright 2009 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7package main
8import os "os"
9type _ os.FileInfo
10func f() (os int) {
11	 // In the next line "os" should refer to the result variable, not
12	 // to the package.
13	 v := os.Open("", 0, 0);	// ERROR "undefined"
14	 _ = v
15	 return 0
16}
17