// run // Copyright 2010 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. // https://golang.org/issue/915 package main type T struct { x int } var t = &T{42} var i interface{} = t var tt, ok = i.(*T) func main() { if tt == nil || tt.x != 42 { println("BUG") } }