[Bug c++/119319] [14/15 Regression] incorrect error: invalid use of incomplete type

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119319

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I am not 100% sure this is valid though. clang rejects it even on x86_64 for
the same reason as why GCC rejects it for `arm-*eabi`.