From f6da351d834df51cc52d267a3153660d2cca3b3e Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Fri, 9 Jan 2026 18:27:28 +0700
Subject: [PATCH] [DeadCode] Skip private promoted property on
 RemoveParentDelegatingConstructorRector

---
 .../skip_private_property_promotion.php.inc    | 18 ++++++++++++++++++
 .../SomeParentWithPrivatePropertyPromotion.php | 12 ++++++++++++
 ...RemoveParentDelegatingConstructorRector.php |  4 ++++
 3 files changed, 34 insertions(+)
 create mode 100644 rules-tests/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector/Fixture/skip_private_property_promotion.php.inc
 create mode 100644 rules-tests/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector/Source/SomeParentWithPrivatePropertyPromotion.php

diff --git a/rules-tests/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector/Fixture/skip_private_property_promotion.php.inc b/rules-tests/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector/Fixture/skip_private_property_promotion.php.inc
new file mode 100644
index 00000000000..22a98dd1e6a
--- /dev/null
+++ b/rules-tests/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector/Fixture/skip_private_property_promotion.php.inc
@@ -0,0 +1,18 @@
+<?php
+
+namespace Rector\Tests\DeadCode\Rector\ClassMethod\RemoveParentDelegatingConstructorRector\Fixture;
+
+use Rector\Tests\DeadCode\Rector\ClassMethod\RemoveParentDelegatingConstructorRector\Source\SomeParentWithPrivatePropertyPromotion;
+
+class SkipPrivatePropertyPromotion extends SomeParentWithPrivatePropertyPromotion
+{
+    public function __construct(private \DateTime $d)
+    {
+        parent::__construct($d);
+    }
+
+    public function run()
+    {
+        return $this->d->format('Y-m-d');
+    }
+}
diff --git a/rules-tests/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector/Source/SomeParentWithPrivatePropertyPromotion.php b/rules-tests/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector/Source/SomeParentWithPrivatePropertyPromotion.php
new file mode 100644
index 00000000000..731284c25ee
--- /dev/null
+++ b/rules-tests/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector/Source/SomeParentWithPrivatePropertyPromotion.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\DeadCode\Rector\ClassMethod\RemoveParentDelegatingConstructorRector\Source;
+
+class SomeParentWithPrivatePropertyPromotion
+{
+    public function __construct(private \DateTime $d)
+    {
+    }
+}
diff --git a/rules/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector.php b/rules/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector.php
index 758b2e92d29..4866ca18563 100644
--- a/rules/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector.php
+++ b/rules/DeadCode/Rector/ClassMethod/RemoveParentDelegatingConstructorRector.php
@@ -220,6 +220,10 @@ private function areConstructorAndParentParameterTypesMatching(
         ExtendedMethodReflection $extendedMethodReflection
     ): bool {
         foreach ($classMethod->getParams() as $position => $param) {
+            if ($param->isPromoted() && $param->isPrivate()) {
+                return false;
+            }
+
             $parameterType = $param->type;
 
             // no type override