Fix strict comparsion for in_array

src/Support/ReflectionClosure.php

@@ -508,7 +508,7 @@ public function getCode()
                     break;
                 case 'id_name':
                     switch ($token[0]) {
-                        case $token[0] === ':' && !in_array($context, ['instanceof', 'new']):
+                        case $token[0] === ':' && !in_array($context, ['instanceof', 'new'], true):
                             if ($lastState === 'closure' && $context === 'root') {
                                 $state = 'closure';
                                 $code .= $id_start.$token;