1--TEST--
2Attempt to free invalid structure (result of ROPE_INIT is not a zval)
3--FILE--
4<?php
5set_error_handler(function () {
6 throw new Exception();
7});
8$a = [];
9$b = "";
10try {
11 echo "$a$b\n";
12} catch (Exception $ex) {
13}
14?>
15DONE
16--EXPECT--
17DONE
18
