Merge pull request #423 from badrutdinovrr/2.x

Fix memory leaks / method invocation side effects #423

Author: lisachenko

src/Aop/Framework/AbstractMethodInvocation.php

@@ -92,6 +92,9 @@ final public function __invoke($instance = null, array $arguments = [], array $v
 
             if ($this->level > 0) {
                 list($this->arguments, $this->instance, $this->current) = \array_pop($this->stackFrames);
+            } else {
+                $this->instance  = null;
+                $this->arguments = [];
             }
         }
     }