[Bug c/100064] False positive with -Wincompatible-pointer-types

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100064

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note you could also do:
`f(&b.parent);`