csu3_am335x/EVSE/GPL/php-8.1.12/ext/mbstring/tests/bug76319.phpt

--TEST--
Bug #76319: mb_strtolower with invalid UTF-8 causes segmentation fault
--EXTENSIONS--
mbstring
--FILE--
<?php
mb_substitute_character(0xFFFD);
var_dump(mb_strtolower("a\xA1", 'UTF-8'));
?>
--EXPECT--
string(4) "a�"