From 38b2b48beed51a5e7bb0269c3e6aeae90ef6d166 Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Thu, 25 Jun 2026 06:48:38 +0700
Subject: [PATCH 1/3] [DeadCode] Skip on clone on object with __clone() method

---
 .../Fixture/skip_clone_has_clone.php.inc           | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 rules-tests/DeadCode/Rector/Expression/RemoveDeadStmtRector/Fixture/skip_clone_has_clone.php.inc

diff --git a/rules-tests/DeadCode/Rector/Expression/RemoveDeadStmtRector/Fixture/skip_clone_has_clone.php.inc b/rules-tests/DeadCode/Rector/Expression/RemoveDeadStmtRector/Fixture/skip_clone_has_clone.php.inc
new file mode 100644
index 00000000000..2fe3ee83ed2
--- /dev/null
+++ b/rules-tests/DeadCode/Rector/Expression/RemoveDeadStmtRector/Fixture/skip_clone_has_clone.php.inc
@@ -0,0 +1,14 @@
+<?php
+
+namespace Rector\Tests\DeadCode\Rector\Expression\RemoveDeadStmtRector\Fixture;
+
+final class SkipCloneHasClone
+{
+    public function __clone()
+    {
+        throw new \RuntimeException('clone is not allowed');
+    }
+}
+
+$obj = new SkipCloneHasClone();
+clone $obj;

From 54417d5dd613dbe25d5a0ee272b0b9dbfda50f87 Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Thu, 25 Jun 2026 06:54:23 +0700
Subject: [PATCH 2/3] fix

---
 .../NodeManipulator/LivingCodeManipulator.php | 33 +++++++++++++++++--
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/rules/DeadCode/NodeManipulator/LivingCodeManipulator.php b/rules/DeadCode/NodeManipulator/LivingCodeManipulator.php
index 2b1313799c3..459dd49e0f9 100644
--- a/rules/DeadCode/NodeManipulator/LivingCodeManipulator.php
+++ b/rules/DeadCode/NodeManipulator/LivingCodeManipulator.php
@@ -30,13 +30,16 @@
 use PhpParser\Node\Expr\UnaryPlus;
 use PhpParser\Node\Expr\Variable;
 use PhpParser\Node\Scalar;
+use PHPStan\Reflection\ReflectionProvider;
 use PHPStan\Type\ObjectType;
 use Rector\NodeTypeResolver\NodeTypeResolver;
+use Rector\ValueObject\MethodName;
 
 final readonly class LivingCodeManipulator
 {
     public function __construct(
-        private NodeTypeResolver $nodeTypeResolver
+        private NodeTypeResolver $nodeTypeResolver,
+        private ReflectionProvider $reflectionProvider
     ) {
     }
 
@@ -53,6 +56,14 @@ public function keepLivingCodeFromExpr(Node | int | string | null $expr): array
             return [];
         }
 
+        if ($expr instanceof Clone_) {
+            if ($this->hasCloneMagicMethod($expr)) {
+                return [$expr];
+            }
+
+            return $this->keepLivingCodeFromExpr($expr->expr);
+        }
+
         if ($this->isNestedExpr($expr)) {
             return $this->keepLivingCodeFromExpr($expr->expr);
         }
@@ -106,8 +117,24 @@ private function isNestedExpr(Expr $expr): bool
             $expr instanceof UnaryMinus ||
             $expr instanceof UnaryPlus ||
             $expr instanceof BitwiseNot ||
-            $expr instanceof BooleanNot ||
-            $expr instanceof Clone_;
+            $expr instanceof BooleanNot;
+    }
+
+    private function hasCloneMagicMethod(Clone_ $clone): bool
+    {
+        $cloneObjectType = $this->nodeTypeResolver->getType($clone->expr);
+
+        foreach ($cloneObjectType->getObjectClassNames() as $className) {
+            if (! $this->reflectionProvider->hasClass($className)) {
+                continue;
+            }
+
+            if ($this->reflectionProvider->getClass($className)->hasNativeMethod(MethodName::CLONE)) {
+                return true;
+            }
+        }
+
+        return false;
     }
 
     private function isBinaryOpWithoutChange(Expr $expr): bool

From 9a4c89aeb281a8c041ee0e1997519f77b2fc8f0d Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Thu, 25 Jun 2026 06:58:49 +0700
Subject: [PATCH 3/3] clean up

---
 .../NodeManipulator/LivingCodeManipulator.php         | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/rules/DeadCode/NodeManipulator/LivingCodeManipulator.php b/rules/DeadCode/NodeManipulator/LivingCodeManipulator.php
index 459dd49e0f9..1b24ab7638f 100644
--- a/rules/DeadCode/NodeManipulator/LivingCodeManipulator.php
+++ b/rules/DeadCode/NodeManipulator/LivingCodeManipulator.php
@@ -56,12 +56,8 @@ public function keepLivingCodeFromExpr(Node | int | string | null $expr): array
             return [];
         }
 
-        if ($expr instanceof Clone_) {
-            if ($this->hasCloneMagicMethod($expr)) {
-                return [$expr];
-            }
-
-            return $this->keepLivingCodeFromExpr($expr->expr);
+        if ($expr instanceof Clone_ && $this->hasCloneMagicMethod($expr)) {
+            return [$expr];
         }
 
         if ($this->isNestedExpr($expr)) {
@@ -117,7 +113,8 @@ private function isNestedExpr(Expr $expr): bool
             $expr instanceof UnaryMinus ||
             $expr instanceof UnaryPlus ||
             $expr instanceof BitwiseNot ||
-            $expr instanceof BooleanNot;
+            $expr instanceof BooleanNot ||
+            $expr instanceof Clone_;
     }
 
     private function hasCloneMagicMethod(Clone_ $clone): bool