https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80556
--- Comment #42 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- Just for the record: at r249012 (i.e. before the patches causing PR bootstrap/81033), I managed to successfully bootstrap x86_64-apple-darwin16.6.0, x86_64-apple-darwin11.4.2, and i386-apple-darwin11.4.2. Thanks. Rainer