- Patch #721378 by jpmckinney, cha0s, casey, noahb: critical bug: comment_save() fails silently.

modules/comment/comment.module

@@ -1512,6 +1512,7 @@ function comment_save($comment) {
   }
   catch (Exception $e) {
     $transaction->rollback('comment', $e->getMessage(), array(), WATCHDOG_ERROR);
+    throw $e;
   }
 
 }