[Bug c++/70066] alignas imposes the wrong limit on data members

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70066

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
> The BIGGEST_FIELD_ALIGNMENT macro is defined in config/i386/i386.h with the
> following comment:
...
>  #ifdef IN_TARGET_LIBS

This definition version is only ever used in libobjc and libgcc.