remove unused flag IS_UNREACHABLE attribute

Author: samsonasik

.phpstorm.meta.php

@@ -49,7 +49,6 @@
     \Rector\NodeTypeResolver\Node\AttributeKey::SCOPE,
     \Rector\NodeTypeResolver\Node\AttributeKey::REPRINT_RAW_VALUE,
     \Rector\NodeTypeResolver\Node\AttributeKey::ORIGINAL_NODE,
-    \Rector\NodeTypeResolver\Node\AttributeKey::IS_UNREACHABLE,
     \Rector\NodeTypeResolver\Node\AttributeKey::PHP_DOC_INFO,
     \Rector\NodeTypeResolver\Node\AttributeKey::KIND,
     \Rector\NodeTypeResolver\Node\AttributeKey::IS_REGULAR_PATTERN,
@@ -64,7 +63,6 @@
     \Rector\NodeTypeResolver\Node\AttributeKey::SCOPE,
     \Rector\NodeTypeResolver\Node\AttributeKey::REPRINT_RAW_VALUE,
     \Rector\NodeTypeResolver\Node\AttributeKey::ORIGINAL_NODE,
-    \Rector\NodeTypeResolver\Node\AttributeKey::IS_UNREACHABLE,
     \Rector\NodeTypeResolver\Node\AttributeKey::PHP_DOC_INFO,
     \Rector\NodeTypeResolver\Node\AttributeKey::KIND,
     \Rector\NodeTypeResolver\Node\AttributeKey::IS_REGULAR_PATTERN,

src/NodeTypeResolver/Node/AttributeKey.php

@@ -71,11 +71,6 @@ final class AttributeKey
      */
     public const KIND = 'kind';
 
-    /**
-     * @var string
-     */
-    public const IS_UNREACHABLE = 'isUnreachable';
-
     /**
      * @var string
      */

src/NodeTypeResolver/PHPStan/Scope/PHPStanNodeScopeResolver.php

@@ -582,11 +582,6 @@ private function processUnreachableStatementNode(
         callable $nodeCallback
     ): void {
         $originalStmt = $unreachableStatementNode->getOriginalStatement();
-        $originalStmt->setAttribute(AttributeKey::IS_UNREACHABLE, true);
-
-        foreach ($unreachableStatementNode->getNextStatements() as $stmt) {
-            $stmt->setAttribute(AttributeKey::IS_UNREACHABLE, true);
-        }
 
         $this->nodeScopeResolverProcessNodes(
             array_merge([$originalStmt], $unreachableStatementNode->getNextStatements()),