https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109250
--- Comment #8 from Xi Ruoyao <xry111 at gcc dot gnu.org> --- Should be fixed with GMP 6.3.0.
[Bug bootstrap/109250] Invalid configuration `loongarch64-linux-gnu': machine `loongarch64-unknown' not recognized
xry111 at gcc dot gnu.org via Gcc-bugs Mon, 31 Jul 2023 09:28:38 -0700
