| // 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 | |
| func main() { | |
| // 6g used to compile these as two different | |
| // hash codes so it missed the duplication | |
| // and worse, compiled the wrong code | |
| // for one of them. | |
| var x interface{}; | |
| switch x.(type) { | |
| case func(int): | |
| case func(f int): // ERROR "duplicate" | |
| } | |
| } |