|
0
|
1 /* PR libmudflap/36397 */
|
|
|
2 /* { dg-do run } */
|
|
|
3 /* { dg-options "-O -fmudflap -fno-strict-aliasing -lmudflap" } */
|
|
|
4
|
|
|
5 struct A
|
|
|
6 {
|
|
|
7 int a[2];
|
|
|
8 };
|
|
|
9
|
|
|
10 long long int x;
|
|
|
11
|
|
|
12 int __attribute__ ((noinline))
|
|
|
13 baz (long long int *x)
|
|
|
14 {
|
|
|
15 return *x;
|
|
|
16 }
|
|
|
17
|
|
|
18 int __attribute__ ((noinline))
|
|
|
19 foo (int i)
|
|
|
20 {
|
|
|
21 if (i > 10)
|
|
|
22 return baz (&x);
|
|
|
23 return ((struct A *) &x)->a[i];
|
|
|
24 }
|
|
|
25
|
|
|
26 int
|
|
|
27 main (void)
|
|
|
28 {
|
|
|
29 if (sizeof (long long) == 2 * sizeof (int)
|
|
|
30 && sizeof (long long) == sizeof (struct A))
|
|
|
31 {
|
|
|
32 struct A a = { .a[0] = 10, .a[1] = 20 };
|
|
|
33 __builtin_memcpy (&x, &a, sizeof (x));
|
|
|
34 if (foo (0) != 10 || foo (1) != 20)
|
|
|
35 __builtin_abort ();
|
|
|
36 }
|
|
|
37 return 0;
|
|
|
38 }
|
