1// run
2
3// Copyright 2013 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Issue 4620: map indexes are not evaluated before assignment of other elements
8
9package main
10
11import "fmt"
12
13func main() {
14	m := map[int]int{0:1}
15	i := 0
16	i, m[i] = 1, 2
17	if m[0] != 2 {
18		fmt.Println(m)
19		panic("m[i] != 2")
20	}
21}
22