11 int     test1(int a);
12 int     test2(int a);
13 int     test3(int a);
14 void    test4(int a);
15 void    test5(int a);
28 int test1(int a)  in test1()  argument
30     return test2(a + 1);  in test1()
36 int test2(int a)  in test2()  argument
38     return test3(a + 2);  in test2()
44 int test3(int a)  in test3()  argument
47     return a + 4;  in test3()
53 void test4(int a)  in test4()  argument
55     test5(a + 3);  in test4()
62 void test5(int a)  in test5()  argument
64 #pragma unused( a )  in test5()