| // 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 3757: unhelpful typechecking loop message | |
| // for constants that refer to themselves. | |
| package main | |
| const a = a // ERROR "refers to itself|definition loop" | |
| const ( | |
| X = A | |
| A = B // ERROR "refers to itself|definition loop" | |
| B = D | |
| C, D = 1, A | |
| ) | |
| func main() { | |
| } |