CLJS-3468: :refer-global should not make unrenamed object available (#301)

Co-authored-by: Michiel Borkent <[email protected]>

Author: swannodette

src/main/clojure/cljs/analyzer.cljc

@@ -3098,7 +3098,8 @@ x                          (not (contains? ret :info)))
           (throw (error env (str err-str (pr-str parsed-spec)))))
         (when-not (every? #{:only :rename} (keys parsed-spec))
           (throw (error env (str err-str (pr-str parsed-spec)))))
-        {:use    (zipmap only (repeat 'js))
+        {:use    (zipmap (if rename (remove rename only)
+                             only) (repeat 'js))
          :rename (into {}
                    (map (fn [[orig new-name]]
                           [new-name (symbol "js" (str orig))]))

src/test/clojure/cljs/analyzer_tests.clj

@@ -391,7 +391,7 @@
   (let [parsed (ana/parse-global-refer-spec {}
                 '((:refer-global :only [Date Symbol] :rename {Symbol JSSymbol})))]
     (is (= parsed
-           '{:use {Date js Symbol js}
+           '{:use {Date js}
              :rename {JSSymbol js/Symbol}}))))
 
 (deftest test-parse-require-global