golang issue9731 代码
文件路径：/test/fixedbugs/issue9731.go
/ compile
/ Copyright 2014 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 p
func f(x interface{}) {
switch x := x.(type) {
case int:
func() {
_ = x
}()
case map[int]int:
func() {
for range x {
}
}()
}
}