// run // Copyright 2011 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 1608. // Size used to be -1000000000. package main import "unsafe" func main() { var a interface{} = 0 size := unsafe.Sizeof(a) if size != 2*unsafe.Sizeof((*int)(nil)) { println("wrong size: ", size) } }