fixup! Preserve the original AST for closures in const-expressions

Author: TimWolla

ext/opcache/zend_file_cache.c

@@ -365,7 +365,7 @@ static void zend_file_cache_serialize_ast(zend_ast                 *ast,
 		}
 	} else if (ast->kind == ZEND_AST_OP_ARRAY) {
 		/* The op_array itself will be serialized as part of the dynamic_func_defs. */
-		SERIALIZE_PTR(((zend_ast_op_array*)ast)->op_array);
+		SERIALIZE_PTR(zend_ast_get_op_array(ast)->op_array);
 	} else if (zend_ast_is_decl(ast)) {
 		/* Not implemented. */
 		ZEND_UNREACHABLE();
@@ -1250,7 +1250,7 @@ static void zend_file_cache_unserialize_ast(zend_ast                *ast,
 		}
 	} else if (ast->kind == ZEND_AST_OP_ARRAY) {
 		/* The op_array itself will be unserialized as part of the dynamic_func_defs. */
-		UNSERIALIZE_PTR(((zend_ast_op_array*)ast)->op_array);
+		UNSERIALIZE_PTR(zend_ast_get_op_array(ast)->op_array);
 	} else if (zend_ast_is_decl(ast)) {
 		/* Not implemented. */
 		ZEND_UNREACHABLE();