http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60670
--- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot
Uni-Bielefeld.DE> ---
> --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
> Or the header needs to include all variants with proper #ifdef-ery
This is difficult for a header generated per multilib at build time.
Rainer
