https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89317
--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #6)
> Better one:
> struct b { int data[16]; };
>
> int foo (struct b *x)
> {
> int *a = x->data;
> int *b = ((int*)x) + 4;
> return b - a;
> }
Note we can handle address of a variable case already; that is:
```
struct b { int data[16]; };
int foo (struct b x)
{
int *a = x.data;
int *b = ((int*)&x) + 4;
return b - a;
}
```
is optimized during ccp1.
