// compile
// Copyright 2012 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/3119
package main
import "fmt"
func main() {
s := "hello"
fmt.Println(s == "")
fmt.Println(s + "world" == "world")
}