--- /dev/null
+// Copyright 2020 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 testdata
+
+import "log"
+
+func m() {
+ maps := make(map[string]string)
+ for k := range maps { // want "simplify range expression"
+ log.Println(k)
+ }
+ for range maps { // want "simplify range expression"
+ }
+}