[Validator] Fix DebugCommand

src/Symfony/Component/Validator/Command/DebugCommand.php

@@ -181,7 +181,7 @@ EOF
 
             $namespace = $matches[1] ?? null;
 
-            if (false === preg_match('/class +([^{ ]+)/', $fileContent, $matches)) {
+            if (!preg_match('/class +([^{ ]+)/', $fileContent, $matches)) {
                 // no class found
                 continue;
             }

src/Symfony/Component/Validator/Tests/Dummy/TraitPass.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace Symfony\Component\Validator\Tests\Dummy;
+
+trait TraitPass
+{
+}