symfony
diff --git a/‎src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php
+10-6 b/‎src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php
+10-6
diff --git a/‎src/Symfony/Component/Serializer/Tests/Normalizer/AbstractObjectNormalizerTest.php
-19 b/‎src/Symfony/Component/Serializer/Tests/Normalizer/AbstractObjectNormalizerTest.php
-19
diff --git a/‎src/Symfony/Component/Serializer/Tests/SerializerTest.php
+1-1 b/‎src/Symfony/Component/Serializer/Tests/SerializerTest.php
+1-1
@@ -260,16 +260,20 @@ protected function getAttributes(object $object, ?string $format, array $context
             return $this->attributesCache[$key];
         }
 
-        $attributes = $this->extractAttributes($object, $format, $context);
+        $allowedAttributes = $this->getAllowedAttributes($object, $context, true);
 
-        if ($mapping = $this->classDiscriminatorResolver?->getMappingForMappedObject($object)) {
-            array_unshift($attributes, $mapping->getTypeProperty());
+        if (false !== $allowedAttributes) {
+            if ($context['cache_key']) {
+                $this->attributesCache[$key] = $allowedAttributes;
+            }
+
+            return $allowedAttributes;
         }
 
-        $allowedAttributes = $this->getAllowedAttributes($object, $context, true);
+        $attributes = $this->extractAttributes($object, $format, $context);
 
-        if (false !== $allowedAttributes) {
-            $attributes = $attributes ? array_intersect($attributes, $allowedAttributes) : $allowedAttributes;
+        if ($mapping = $this->classDiscriminatorResolver?->getMappingForMappedObject($object)) {
+            array_unshift($attributes, $mapping->getTypeProperty());
         }
 
         if ($context['cache_key'] && \stdClass::class !== $class) {
 
@@ -19,7 +19,6 @@
 use Symfony\Component\PropertyInfo\Type;
 use Symfony\Component\Serializer\Annotation\Context;
 use Symfony\Component\Serializer\Annotation\DiscriminatorMap;
-use Symfony\Component\Serializer\Annotation\Ignore;
 use Symfony\Component\Serializer\Annotation\SerializedName;
 use Symfony\Component\Serializer\Annotation\SerializedPath;
 use Symfony\Component\Serializer\Exception\ExtraAttributesException;
@@ -844,14 +843,6 @@ public function testDenormalizeWithCorrectOrderOfAttributeAndProperty()
         $this->assertSame('nested-id', $test->id);
     }
 
-    public function testNormalizeWithIgnoreAnnotationAndPrivateProperties()
-    {
-        $classMetadataFactory = new ClassMetadataFactory(new AnnotationLoader(new AnnotationReader()));
-        $normalizer = new ObjectNormalizer($classMetadataFactory);
-
-        $this->assertSame(['foo' => 'foo'], $normalizer->normalize(new ObjectDummyWithIgnoreAnnotationAndPrivateProperty()));
-    }
-
     public function testNormalizeBasedOnAllowedAttributes()
     {
         $normalizer = new class() extends AbstractObjectNormalizer {
@@ -1125,16 +1116,6 @@ class ObjectDummyWithContextAttributeSkipNullValues
     public ?string $propertyWithNullSkipNullValues = null;
 }
 
-class ObjectDummyWithIgnoreAnnotationAndPrivateProperty
-{
-    public $foo = 'foo';
-
-    /** @Ignore */
-    public $ignored = 'ignored';
-
-    private $private = 'private';
-}
-
 class AbstractObjectNormalizerWithMetadata extends AbstractObjectNormalizer
 {
     public function __construct()
 
@@ -470,7 +470,7 @@ public function testDeserializeAndSerializeInterfacedObjectsWithTheClassMetadata
             'groups' => ['two'],
         ]);
 
-        $this->assertEquals('{"type":"one","two":2}', $serialized);
+        $this->assertEquals('{"two":2,"type":"one"}', $serialized);
     }
 
     public function testDeserializeAndSerializeNestedInterfacedObjectsWithTheClassMetadataDiscriminator()
Original file line number	Diff line number	Diff line change
`@@ -470,7 +470,7 @@ public function testDeserializeAndSerializeInterfacedObjectsWithTheClassMetadata`
`470`	`470`	`'groups' => ['two'],`
`471`	`471`	`]);`
`472`	`472`
`473`		`- $this->assertEquals('{"type":"one","two":2}', $serialized);`
	`473`	`+ $this->assertEquals('{"two":2,"type":"one"}', $serialized);`
`474`	`474`	`}`
`475`	`475`
`476`	`476`	`public function testDeserializeAndSerializeNestedInterfacedObjectsWithTheClassMetadataDiscriminator()`