https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94694
--- Comment #31 from Andrea Corallo <andrea.corallo at arm dot com> --- I confirm master now builds for me aarch64-none-elf.
andrea.corallo at arm dot com Thu, 23 Apr 2020 08:17:20 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94694
--- Comment #31 from Andrea Corallo <andrea.corallo at arm dot com> --- I confirm master now builds for me aarch64-none-elf.