golang issue49003 代码
文件路径：/src/go/types/testdata/fixedbugs/issue49003.go
/ Copyright 2021 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(s string) int {
for range s {
}
} / ERROR missing return