github.com/xushiwei/go@v0.0.0-20130601165731-2b9d83f45bc9/test/fixedbugs/bug463.go (about)

     1  // errorcheck
     2  
     3  // Copyright 2012 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  
     7  // Issue 3757: unhelpful typechecking loop message
     8  // for constants that refer to themselves.
     9  
    10  package main
    11  
    12  const a = a // ERROR "refers to itself|definition loop"
    13  
    14  const (
    15  	X    = A
    16  	A    = B // ERROR "refers to itself|definition loop"
    17  	B    = D
    18  	C, D = 1, A
    19  )
    20  
    21  func main() {
    22  }