--- /dev/null
+package pkg
+
+func fn() {
+ var m map[string]int
+ var b []byte
+ _ = m[string(b)]
+ _ = m[string(b)]
+ s1 := string(b) // want `m\[string\(key\)\] would be more efficient than k := string\(key\); m\[k\]`
+ _ = m[s1]
+ _ = m[s1]
+
+ s2 := string(b)
+ _ = m[s2]
+ _ = m[s2]
+ println(s2)
+}