lib/rubocop/cop/style/redundant_freeze.rb in rubocop-0.68.0 vs lib/rubocop/cop/style/redundant_freeze.rb in rubocop-0.68.1

@@ -52,10 +52,10 @@
         end
 
         def_node_matcher :operation_produces_immutable_object?, <<-PATTERN
           {
             (begin (send {float int} {:+ :- :* :** :/ :% :<<} _))
-            (begin (send _ {:+ :- :* :** :/ :%} {float int}))
+            (begin (send !(str _) {:+ :- :* :** :/ :%} {float int}))
             (begin (send _ {:== :=== :!= :<= :>= :< :>} _))
             (send (const nil? :ENV) :[] _)
             (send _ {:count :length :size} ...)
             (block (send _ {:count :length :size} ...) ...)
           }