| // errorcheck | |
| // Copyright 2012 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. | |
| // Issue 4283: nil == nil can't be done as the type is unknown. | |
| package p | |
| func F1() bool { | |
| return nil == nil // ERROR "invalid" | |
| } | |
| func F2() bool { | |
| return nil != nil // ERROR "invalid" | |
| } |