https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106917
--- Comment #1 from Gaius Mulley <gaius at gcc dot gnu.org> --- please can I have a copy of the configure and make command? I've tried: ../gcc-git-devel-modula2/configure --enable-languages=m2 --prefix=/home/gaius/opt --libexecdir=/home/gaius/opt/lib --enable-host-shared --enable-valgrind-annotations --enable-threads=posix --enable-clocale=gnu --enable-multilib --enable-checking --enable-long-longx --enable-bootstrap --with-build-config=bootstrap-lto-lean which built on bullseye amd64 (slowly)