[Bug tree-optimization/107503] tail call missed with struct wrapper

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107503

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Real testcase:
```
struct f
{
    int *a;
};

int *g();
struct f h()
{
    return {g()};
}
```

Sorry I forgot the definition of f before. it was a copy and paste mistake.