go/test/fixedbugs/issue20029.go

33 строки
583 B
Go

// run
// Copyright 2017 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.
// Issue 20029: make sure we zero at VARKILLs of
// ambiguously live variables.
// The ambiguously live variable here is the hiter
// for the inner range loop.
package main
import "runtime"
func f(m map[int]int) {
outer:
for i := 0; i < 10; i++ {
for k := range m {
if k == 5 {
continue outer
}
}
runtime.GC()
break
}
runtime.GC()
}
func main() {
m := map[int]int{1: 2, 2: 3, 3: 4}
f(m)
}