| // run | |
| // 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. | |
| // Used to crash generating hash and == functions for struct | |
| // with leading _ field. Issue 3607. | |
| package main | |
| type T struct { | |
| _ int | |
| X interface{} | |
| _ string | |
| Y float64 | |
| } | |
| func main() { | |
| m := map[T]int{} | |
| m[T{X: 1, Y: 2}] = 1 | |
| m[T{X: 2, Y: 3}] = 2 | |
| m[T{X: 1, Y: 2}] = 3 // overwrites first entry | |
| if len(m) != 2 { | |
| println("BUG") | |
| } | |
| } |