vim-patch:8.1.1484: some tests are slow

Problem:    Some tests are slow.
Solution:   Add timing to the test messages.  Fix double free when quitting in
            VimLeavePre autocmd.
75ee544f99

src/nvim/eval.c

@@ -439,12 +439,12 @@ void eval_clear(void)
     xfree(SCRIPT_SV(i));
   ga_clear(&ga_scripts);
 
-  // unreferenced lists and dicts
-  (void)garbage_collect(false);
-
   // functions need to be freed before gargabe collecting, otherwise local
   // variables might be freed twice.
   free_all_functions();
+
+  // unreferenced lists and dicts
+  (void)garbage_collect(false);
 }
 
 #endif