CLJS-1739: seq on map literal with 9 elements leads to rest producing nil

Author: swannodette

src/main/cljs/cljs/core.cljs

@@ -7032,7 +7032,8 @@ reduces them without incurring seq initialization"
                  (if-let [node-seq (.inode-seq node)]
                    (NodeSeq. nil nodes (+ j 2) node-seq nil)
                    (recur (+ j 2)))
-                 (recur (+ j 2)))))))
+                 (recur (+ j 2))))
+             ())))
        (NodeSeq. nil nodes i s nil))))
 
 (deftype ArrayNodeSeq [meta nodes i s ^:mutable __hash]

src/test/cljs/cljs/core_test.cljs

@@ -3225,6 +3225,11 @@
   (is (= "d"        (get-in {:a "data"} [:a 0] :not-found)))
   (is (= :not-found (get-in {:a "data"} [:a 4] :not-found))))
 
+(deftest test-cljs-1739
+  (is (= (-> {:a 1 :b 2 :c 3 :d 4 :e 5 :f 6 :g 7 :h 8 :i 9}
+           rest rest rest rest rest rest rest rest rest)
+         ())))
+
 (comment
   ;; ObjMap
   ;; (let [ks (map (partial str "foo") (range 500))