[DeadCode] Allow remove useless @var on aliased object on RemoveUselessVarTagRector (#7967)

samsonasik · web-flow · commit 6200babc1974 · 2026-04-11T10:23:17.000+02:00
diff --git a/rules-tests/DeadCode/Rector/Property/RemoveUselessVarTagRector/Fixture/with_alias.php.inc b/rules-tests/DeadCode/Rector/Property/RemoveUselessVarTagRector/Fixture/with_alias.php.inc
@@ -0,0 +1,32 @@
+<?php
+
+namespace Rector\Tests\DeadCode\Rector\Property\RemoveUselessVarTagRector\Fixture;
+
+use stdClass as std;
+
+final class WithAlias
+{
+    function run()
+    {
+        /** @var std $std */
+        $std = new std();
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DeadCode\Rector\Property\RemoveUselessVarTagRector\Fixture;
+
+use stdClass as std;
+
+final class WithAlias
+{
+    function run()
+    {
+        $std = new std();
+    }
+}
+
+?>
diff --git a/rules/DeadCode/PhpDoc/DeadVarTagValueNodeAnalyzer.php b/rules/DeadCode/PhpDoc/DeadVarTagValueNodeAnalyzer.php
@@ -84,6 +84,10 @@ public function isDead(VarTagValueNode $varTagValueNode, Property|ClassConst|Exp
         }
 
         if ($propertyType instanceof ObjectType && $docType instanceof ObjectType) {
+            if ($docType->equals($propertyType)) {
+                return true;
+            }
+
             // more specific type is already in the property
             return $docType->isSuperTypeOf($propertyType)
                 ->yes();
