Fix Parser instance + HasNamedArguments

Author: symfonyaml

src/Symfony/Component/Validator/Constraints/Yaml.php

@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Validator\Constraints;
 
+use Symfony\Component\Validator\Attribute\HasNamedArguments;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\Exception\LogicException;
 use Symfony\Component\Yaml\Parser;
@@ -24,6 +25,7 @@ class Yaml extends Constraint
         self::INVALID_YAML_ERROR => 'INVALID_YAML_ERROR',
     ];
 
+    #[HasNamedArguments]
     public function __construct(
         public string $message = 'This value is not valid YAML.',
         public int $flags = 0,

src/Symfony/Component/Validator/Constraints/YamlValidator.php

@@ -49,7 +49,7 @@ public function validate(mixed $value, Constraint $constraint): void
         });
 
         try {
-            $this->getParser()->parse($value, $constraint->flags);
+            (new Parser())->parse($value, $constraint->flags);
         } catch (ParseException $e) {
             $this->context->buildViolation($constraint->message)
                 ->setParameter('{{ error }}', $e->getMessage())
@@ -60,9 +60,4 @@ public function validate(mixed $value, Constraint $constraint): void
             restore_error_handler();
         }
     }
-
-    private function getParser(): Parser
-    {
-        return new Parser();
-    }
 }