Add test for bug #76909

Author: weltling

ext/pcre/tests/bug76909.phpt

@@ -0,0 +1,21 @@
+--TEST--
+Bug #76909 preg_match difference between 7.3 and < 7.3
+--FILE--
+<?php
+
+$data = " domain.com";
+$reg0 = "/^[\x{0100}-\x{017f}]{1,63}$/iu";
+$reg0 = "/(*NO_JIT)^[\x{0100}-\x{017f}]{1,63}$/iu";
+
+$n0 = preg_match($reg0, $data, $m0);
+$n1 = preg_match($reg0, $data, $m1);
+
+var_dump($n0, $n1, count($m0), count($m1));
+
+?>
+--EXPECT--
+int(0)
+int(0)
+int(0)
+int(0)
+