1 /* { dg-do compile } */
2 /* { dg-options "-Wuninitialized -O2 -Wno-implicit" } */
3 /* { dg-require-effective-target ptr32plus } */
4
5 extern int optind;
6 struct undefinfo
7 {
8 unsigned long l1;
9 unsigned long l2;
10 };
11 struct undeffoo
12 {
13 char a[64];
14 long b[4];
15 int c[33];
16 };
17 struct problem
18 {
19 unsigned long l1;
20 unsigned long l2;
21 unsigned long l3;
22 unsigned long l4;
23 };
24 static unsigned int undef1, undef2, undef3, undef4, undef5, undef6;
25 static void *undefvp1;
26 extern struct undefinfo undefinfo;
27 static int
undefinit1(void)28 undefinit1 (void)
29 {
30 struct undeffoo foo;
31 int i;
32 for (i = 0; i < 2000; i++)
33 {
34 undef6++;
35 external_function5 (((void *) 0), 0, (void *) &foo);
36 }
37 }
38
39 static int
undefinit2(void * problemp,unsigned long problem)40 undefinit2 (void *problemp, unsigned long problem)
41 {
42 int ret, u;
43 if (undefinit1 ())
44 return 1;
45 if (fn10 ())
46 return 1;
47 for (u = 0; u < undef6; u++)
48 {
49 ret = external_function1 (3 + u * 10, 10);
50 if (ret)
51 return ret;
52 external_function6 (0, 0, 0, problemp + problem);
53 return 1;
54 }
55 }
56
57 static int
fn6(struct undefinfo * uip,struct problem * problem)58 fn6 (struct undefinfo *uip, struct problem *problem)
59 {
60 unsigned long amt;
61 if (external_function3 (((void *) 0), ((void *) 0), &amt, 0, 0))
62 return 1;
63 problem->l1 = (unsigned long) undefvp1;
64 problem->l4 = uip->l1;
65 problem->l3 = uip->l2;
66 return 0;
67 }
68
69 static int
setup(void)70 setup (void)
71 {
72 struct problem problem;
73 if (fn6 (&undefinfo, &problem))
74 return 1;
75 if (fn2 ())
76 return 1;
77 if (fn4 (101))
78 return 1;
79 if (undefinit2 ((void *) problem.l1, problem.l3 * 4)) /* { dg-bogus "problem.l3" "uninitialized variable warning" } */
80 return 1;
81 }
82
83 int
main(int argc,char ** argv)84 main (int argc, char **argv)
85 {
86 int optc;
87 if (external_function (1))
88 return 1;
89 if (external_function (1))
90 return 1;
91 if (external_function (1))
92 return 1;
93 while ((optc =
94 getopt_long (argc, argv, ((void *) 0), ((void *) 0),
95 ((void *) 0))) != -1)
96 {
97 switch (optc)
98 {
99 case 0:
100 break;
101 case 'F':
102 external_function (1);
103 default:
104 return 1;
105 }
106 }
107 if ((optind != 99))
108 {
109 return 1;
110 }
111 setup ();
112 }
113