[Php71] Skip already array destruct on ListToArrayDestructRector (#6460)

* [Php71] Skip already array destruct on ListToArrayDestructRector

* fix

rules-tests/Php71/Rector/List_/ListToArrayDestructRector/Fixture/skip_already_array_destruct.php.inc

@@ -0,0 +1,14 @@
+<?php
+
+namespace Rector\Tests\Php71\Rector\List_\ListToArrayDestructRector\Fixture;
+
+final class SkipAlreadyArrayDestruct
+{
+    public function run($line, $file, $trace)
+    {
+        [
+            'line' => $line,
+            'file' => $file,
+        ] = $trace;
+    }
+}

rules/Php71/Rector/List_/ListToArrayDestructRector.php

@@ -9,6 +9,7 @@
 use PhpParser\Node\Expr\Assign;
 use PhpParser\Node\Expr\List_;
 use PhpParser\Node\Stmt\Foreach_;
+use Rector\NodeTypeResolver\Node\AttributeKey;
 use Rector\Rector\AbstractRector;
 use Rector\ValueObject\PhpVersionFeature;
 use Rector\VersionBonding\Contract\MinPhpVersionInterface;
@@ -71,6 +72,10 @@ public function refactor(Node $node): ?Node
                 return null;
             }
 
+            if ($node->var->getAttribute(AttributeKey::KIND) === List_::KIND_ARRAY) {
+                return null;
+            }
+
             $list = $node->var;
 
             $node->var = new Array_($list->items);
@@ -81,6 +86,10 @@ public function refactor(Node $node): ?Node
             return null;
         }
 
+        if ($node->valueVar->getAttribute(AttributeKey::KIND) === List_::KIND_ARRAY) {
+            return null;
+        }
+
         $list = $node->valueVar;
         $node->valueVar = new Array_($list->items);