test for f20c5fb525

test for https://github.com/peachpiecompiler/peachpie/issues/1059#issuecomment-1194030716

tests/functions/param_out_003_default.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace T253;
+
+class X {
+    function foo(&$matches = null) {
+        $matches = 123;
+    }
+}
+
+function test($p) {
+    $p->foo($matches);
+    echo $matches;
+}
+
+test( new X );
+
+//
+echo 'Done.';