-int f2(int i);
+/*
+ * Copyright (c) 2014-2019 The strace developers.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
-int f1(int i)
+#include "stack-fcall.h"
+
+int f1(int i, unsigned long f)
{
- return f2(i) + i;
+ return f2(i, f ^ (unsigned long) (void *) f1) + i;
}