--TEST--
Bug #73916 (zend_print_flat_zval_r doesn't consider reference)
--FILE--
<?php
$a = array('a');
class b{};
$b = new b;
$test[] =& $a;
$test[] =& $b;
test($test);
function test() {
    debug_print_backtrace();
}
?>
--EXPECTF--
#0 %s(%d): test(Array)