1/* { dg-do compile } */
2/* { dg-options "-O2" } */
3/* { dg-options "-O2 -mabi=64" { target mips-*-linux-* } } */
4
5struct offset_v1 {
6    int k_uniqueness;
7};
8
9struct offset_v2 {
10 long v;
11} __attribute__ ((__packed__));
12
13struct reiserfs_key {
14    int k_objectid;
15    union {
16 struct offset_v1 k_offset_v1;
17 struct offset_v2 k_offset_v2;
18    } u;
19};
20
21struct item_head
22{
23 struct reiserfs_key ih_key;
24 int ih_version;
25};
26
27static void set_offset_v2_k_type(struct offset_v2 *v2)
28{
29    v2->v &= 1;
30}
31
32static void set_le_key_k_type (int version, struct reiserfs_key * key)
33{
34    version ? (key->u.k_offset_v1.k_uniqueness = 1)
35	    : set_offset_v2_k_type(&(key->u.k_offset_v2));
36}
37
38static void set_le_ih_k_type (struct item_head * ih)
39{
40    set_le_key_k_type((__builtin_constant_p((ih)->ih_version) ? (ih)->ih_version : (ih)->ih_version), &(ih->ih_key));
41}
42
43void boo(struct item_head *ih, const char *body);
44
45void direct2indirect(void)
46{
47    struct item_head *p_le_ih;
48    struct item_head ind_ih;
49    unsigned int unfm_ptr;
50
51    if (__builtin_expect(32, 0)) __asm__ ("break");
52
53    set_le_ih_k_type (&ind_ih);
54
55    if (__builtin_constant_p(p_le_ih) ? 1 : 2) {
56        (__builtin_constant_p(__builtin_constant_p(1) == 1));
57      boo(&ind_ih, (char *)&unfm_ptr);
58    }
59}
60