Fix wrapped loop of event listener

jderusse · jderusse · commit a1370881623d · 2018-11-30T19:03:52.000+01:00
diff --git a/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php b/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php
@@ -132,18 +132,24 @@ public function dispatch($eventName, Event $event = null)
         }
 
         $this->preProcess($eventName);
-        $this->preDispatch($eventName, $event);
+        try {
+            $this->preDispatch($eventName, $event);
 
-        $e = $this->stopwatch->start($eventName, 'section');
+            $e = $this->stopwatch->start($eventName, 'section');
 
-        $this->dispatcher->dispatch($eventName, $event);
+            $this->dispatcher->dispatch($eventName, $event);
 
-        if ($e->isStarted()) {
-            $e->stop();
-        }
+            if ($e->isStarted()) {
+                $e->stop();
+            }
 
-        $this->postDispatch($eventName, $event);
-        $this->postProcess($eventName);
+            $this->postDispatch($eventName, $event);
+        } finally {
+            if ($e && $e->isStarted()) {
+                $e->stop();
+            }
+            $this->postProcess($eventName);
+        }
 
         return $event;
     }
