| // run | |
| // Copyright 2016 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 | |
| import "reflect" | |
| func main() { | |
| a := &struct{ x int }{} | |
| b := &struct{ x int "" }{} | |
| ta := reflect.TypeOf(a) | |
| tb := reflect.TypeOf(b) | |
| // Ensure cmd/compile treats absent and empty tags as equivalent. | |
| a = b | |
| // Ensure package reflect treats absent and empty tags as equivalent. | |
| if !tb.AssignableTo(ta) { | |
| panic("fail") | |
| } | |
| } |