https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78316
--- Comment #1 from amker at gcc dot gnu.org --- The gcc is configured as: configure --target=aarch64-none-elf --prefix=... --with-gmp=... --with-mpfr=... --with-mpc=... --with-isl=... --with-pkgversion=unknown --disable-shared --disable-nls --disable-threads --disable-tls --enable-checking=yes --enable-languages=c,c++ --with-newlib