add test

Author: devnexen

ext/standard/tests/gh14643_longname.phpt

@@ -0,0 +1,24 @@
+--TEST--
+GH-14643: Segfault on empty user function.
+--FILE--
+<?php
+$script1_dataflow=5000000;
+class Logger {
+public function __construct() {
+register_shutdown_function(function () {
+$this->flush();
+register_shutdown_function([$this, 'flush'], true);
+});
+}
+public function flush($final = false) {
+}
+}
+for ($i = 0; $i < 200; $script1_dataflow++) {
+$a = new Logger();
+}
+var_fusion($script1_connect, $script2_connect, $random_var);
+?>
+--EXPECTF--
+Fatal error: Allowed memory size of %d bytes exhausted %s
+
+Fatal error: Allowed memory size of %d bytes exhausted %s