// 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"
)