1// run
2
3// Copyright 2017 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 20029: make sure we zero at VARKILLs of
8// ambiguously live variables.
9// The ambiguously live variable here is the hiter
10// for the inner range loop.
11
12package main
13
14import "runtime"
15
16func f(m map[int]int) {
17outer:
18	for i := 0; i < 10; i++ {
19		for k := range m {
20			if k == 5 {
21				continue outer
22			}
23		}
24		runtime.GC()
25		break
26	}
27	runtime.GC()
28}
29func main() {
30	m := map[int]int{1: 2, 2: 3, 3: 4}
31	f(m)
32}
33