Fix dangling parens in more scenarios

Author: Malabarba

clojure-mode.el

@@ -1678,7 +1678,6 @@ Return nil if there are no more levels to unwind."
       (newline-and-indent)
       (clojure--remove-superfluous-parens)
       ;; cljr #255 Fix dangling parens
-      (backward-up-list)
       (forward-sexp)
       (when (looking-back "^\\s-*)+\\s-*" (line-beginning-position))
         (join-line))

test/clojure-mode-refactor-threading-test.el

@@ -306,6 +306,16 @@
   (beginning-of-buffer)
   (clojure-thread-last-all nil))
 
+(def-threading-test last-dangling-parens-2
+    "(deftask dev []
+  (comp (serve)
+        (cljs)))"
+    "(->> (cljs)
+     (comp (serve))
+     (deftask dev []))"
+  (beginning-of-buffer)
+  (clojure-thread-last-all nil))
+
 ;; fix for clojure-emacs/clj-refactor.el#259
 (def-threading-test last-leaves-multiline-sexp-alone
     "(->> [a b]