xref: /openbsd-src/gnu/gcc/libmudflap/testsuite/libmudflap.c/pass54-frag.c (revision 404b540a9034ac75a6199ad1a32d1bbc7a0d4210) 
1 struct k
2 {
3   struct {
4     int b;
5     int c;
6   } a;
7 };
8 
9 static struct k l;
10 static struct k m;
11 
foo()12 void foo ()
13 {
14   /* This should not be instrumented. */
15   l.a.b = 5;
16 }
17 
bar()18 void bar ()
19 {
20   /* This should not be instrumented. */
21   m.a.b = 5;
22 }
23 
main()24 int main ()
25 {
26   /* Force TREE_ADDRESSABLE on "l" only.  */
27   volatile int *k = & l.a.c;
28   *k = 8;
29   __mf_set_options ("-mode-violate");
30   foo ();
31   bar ();
32   __mf_set_options ("-mode-check");
33 }
34