https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90383
--- Comment #1 from Eric Fiselier <eric at efcs dot ca> ---
It's important to note that this bug affects any struct with tail padding. For
example `struct optional { T value; bool has_value; /*...*/ };` would hit it.
https://godbolt.org/z/VX9VTh
