blob: ac443a284250251b563606f46e07451055a761b3 [file] [log] [blame]
/* { dg-do run } */
/* { dg-options "-O2" } */
/* { dg-options "-O2 -mtune=i686" { target i?86-*-* } } */
/* { dg-skip-if "" { i?86-*-* } { "-m64" } { "" } } */
extern void abort (void);
extern void exit (int);
struct A { char p[6]; } __attribute__((packed));
struct B {
struct A a;
void * const b;
struct A const * const c;
struct A const *d;
};
char v;
int __attribute__((noinline))
foo (struct B *b)
{
int i;
for (i = 0; i < 6; ++i)
if (b->a.p[i])
abort ();
if (b->b != &v || b->c || b->d)
abort ();
return 12;
}
int __attribute__((noinline))
bar (void *x)
{
__asm __volatile ("" : "=r" (x) : "0" (x));
struct B y = { .b = x, .c = (void *) 0 };
return foo (&y) + 1;
}
int
main (void)
{
if (bar (&v) != 13)
abort ();
exit (0);
}