// errorcheck -d=panic // 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. // Used to crash; issue 961. package main type ByteSize float64 const ( _ = iota // ignore first value by assigning to blank identifier KB ByteSize = 1 << (10 * X) // ERROR "undefined" )