[Bug target/94383] [8/9/10 Regression] class with empty base passed incorrectly with -std=c++17 on aarch64

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94383

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
That would be consistent with the new field being introduced in gcc-7 (by
r241187).