[Serializer] Fix self type resolution on promoted constructor parameters

nicolas-grekas · nicolas-grekas · commit 2602f2801ede · 2026-03-10T16:08:01.000+01:00
diff --git a/Normalizer/AbstractObjectNormalizer.php b/Normalizer/AbstractObjectNormalizer.php
@@ -43,6 +43,7 @@
 use Symfony\Component\TypeInfo\Type\ObjectType;
 use Symfony\Component\TypeInfo\Type\UnionType;
 use Symfony\Component\TypeInfo\Type\WrappingTypeInterface;
+use Symfony\Component\TypeInfo\TypeContext\TypeContextFactory;
 use Symfony\Component\TypeInfo\TypeIdentifier;
 use Symfony\Component\TypeInfo\TypeResolver\ReflectionTypeResolver;
 
@@ -1010,9 +1011,10 @@ protected function denormalizeParameter(\ReflectionClass $class, \ReflectionPara
 
         $parameterType = $parameter->getType();
         static $parameterTypeResolver;
+        static $parameterTypeContextFactory;
 
         if (null !== $parameterType && $parameterTypeResolver ??= class_exists(ReflectionTypeResolver::class) ? new ReflectionTypeResolver() : false) {
-            $resolvedParameterType = $parameterTypeResolver->resolve($parameterType);
+            $resolvedParameterType = $parameterTypeResolver->resolve($parameterType, ($parameterTypeContextFactory ??= new TypeContextFactory())->createFromClassName($class->name, $parameter->getDeclaringClass()?->name));
             if ($resolvedParameterType->isSatisfiedBy(static fn (Type $t) => match (true) {
                 $t instanceof BuiltinType && TypeIdentifier::NULL !== $t->getTypeIdentifier() => !$type->isIdentifiedBy($t->getTypeIdentifier()),
                 $t instanceof ObjectType => !$type->isIdentifiedBy($t->getClassName()),
