Skip test if JIT is not available

Author: dstogov

ext/opcache/tests/jit/bug80426.phpt

@@ -7,6 +7,7 @@ opcache.jit_buffer_size=1M
 zend_test.replace_zend_execute_ex=1
 --SKIPIF--
 <?php require_once('skipif.inc'); ?>
+<?php if (!isset(opcache_get_status()["jit"])) die('skip: JIT is not available'); ?>
 <?php if (!extension_loaded('zend-test')) die('skip: zend-test extension required'); ?>
 --FILE--
 <?php