// compile

// Copyright 2009 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

func main() {
	var s int = 0
	var x int = 0
	x = x << s // as of 1.13, these are ok
	x = x >> s // as of 1.13, these are ok
}