add test

Author: devnexen

ext/pcre/tests/preg_match_frameless_leak.phpt

@@ -0,0 +1,26 @@
+--TEST--
+Memory leak in preg_match() frameless function with invalid regex and object arguments
+--FILE--
+<?php
+class Str {
+    private $val;
+    public function __construct($val) {
+        $this->val = $val;
+    }
+    public function __toString() {
+        return $this->val;
+    }
+}
+
+$regex = new Str("invalid regex");
+$subject = new Str("some subject");
+
+// Running in a loop to ensure leak detection if run with memory tools
+for ($i = 0; $i < 100; $i++) {
+    @preg_match($regex, $subject);
+}
+
+echo "Done";
+?>
+--EXPECT--
+Done