[Bug tree-optimization/112307] Segmentation fault with -O1 -fcode-hoisting

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112307

--- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The reduced testcase has an uninitialized variable in it:
```
      if (!begin_.has_value()) {
        bool result;
        return result;
      }
```

This might be the issue overall.