[Php74] Keep comments above if on IfToNullCoalescingAssignRector

rules-tests/Php74/Rector/If_/IfToNullCoalescingAssignRector/Fixture/keep_comment_above_if.php.inc

@@ -0,0 +1,35 @@
+<?php
+
+namespace Rector\Tests\Php74\Rector\If_\IfToNullCoalescingAssignRector\Fixture;
+
+/**
+ * Fallback value description
+ *
+ * @var int $limit
+ */
+if (! isset($limit)) {
+    $limit = 100;
+}
+
+// simple comment
+if (! isset($name)) {
+    $name = 'default';
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\Php74\Rector\If_\IfToNullCoalescingAssignRector\Fixture;
+
+/**
+ * Fallback value description
+ *
+ * @var int $limit
+ */
+$limit ??= 100;
+
+// simple comment
+$name ??= 'default';
+
+?>

rules/Php74/Rector/If_/IfToNullCoalescingAssignRector.php

@@ -113,7 +113,10 @@ public function refactor(Node $node): ?Expression
             return null;
         }
 
-        return new Expression(new AssignCoalesce($assign->var, $assign->expr));
+        $expression = new Expression(new AssignCoalesce($assign->var, $assign->expr));
+        $this->mirrorComments($expression, $node);
+
+        return $expression;
     }
 
     public function provideMinPhpVersion(): int