[Bug c/108531] Imaginary types are not supported, violating ISO C Annex G

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108531

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
C2x changes this ... (so does TS 18661-1 ) so ....