Merge branch '3.4' into 4.4

* 3.4:
  [PropertyAccess] fix tests
  [WebProfilerBundle] fix test
  remove assertions that can never be reached
  [PropertyAccess] Improve message of unitialized property in php 7.4
  [HttpFoundation] Fixed session migration with custom cookie lifetime
  [Serializer] Remove unused variable
  Allow URL-encoded special characters in basic auth part of URLs
  [Serializer] Fix unitialized properties (from PHP 7.4.2) when serializing context for the cache key
  [Validator] Add missing Ukrainian and Russian translations
  No need to reconnect the bags to the session
  Support for Content Security Policy style-src-elem and script-src-elem in WebProfiler
  [PropertyInfo][ReflectionExtractor] Check the array mutator prefixes last when the property is singular

Author: nicolas-grekas

Normalizer/AbstractObjectNormalizer.php

@@ -482,7 +482,7 @@ private function validateAndDenormalize(string $currentClass, string $attribute,
      */
     protected function denormalizeParameter(\ReflectionClass $class, \ReflectionParameter $parameter, $parameterName, $parameterData, array $context, $format = null)
     {
-        if (null === $this->propertyTypeExtractor || null === $types = $this->propertyTypeExtractor->getTypes($class->getName(), $parameterName)) {
+        if (null === $this->propertyTypeExtractor || null === $this->propertyTypeExtractor->getTypes($class->getName(), $parameterName)) {
             return parent::denormalizeParameter($class, $parameter, $parameterName, $parameterData, $context, $format);
         }
 
@@ -617,6 +617,7 @@ private function getCacheKey(?string $format, array $context)
             unset($context[$key]);
         }
         unset($context[self::EXCLUDE_FROM_CACHE_KEY]);
+        unset($context[self::OBJECT_TO_POPULATE]);
         unset($context['cache_key']); // avoid artificially different keys
 
         try {

Tests/Normalizer/AbstractObjectNormalizerTest.php

@@ -174,6 +174,14 @@ public function testDenormalizeStringCollectionDecodedFromXmlWithTwoChildren()
         $this->assertEquals('bar', $stringCollection->children[1]);
     }
 
+    public function testDenormalizeNotSerializableObjectToPopulate()
+    {
+        $normalizer = new AbstractObjectNormalizerDummy();
+        $normalizedData = $normalizer->denormalize(['foo' => 'foo'], Dummy::class, null, [AbstractObjectNormalizer::OBJECT_TO_POPULATE => new NotSerializable()]);
+
+        $this->assertSame('foo', $normalizedData->foo);
+    }
+
     private function getDenormalizerForStringCollection()
     {
         $extractor = $this->getMockBuilder(PhpDocExtractor::class)->getMock();
@@ -448,3 +456,15 @@ public function setSerializer(SerializerInterface $serializer)
         $this->serializer = $serializer;
     }
 }
+
+class NotSerializable
+{
+    public function __sleep()
+    {
+        if (class_exists(\Error::class)) {
+            throw new \Error('not serializable');
+        }
+
+        throw new \Exception('not serializable');
+    }
+}