https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96540
--- Comment #7 from Jürgen Reuter <juergen.reuter at desy dot de> --- (In reply to Aldy Hernandez from comment #4) > Does this patch fix the problem? > > https://gcc.gnu.org/pipermail/gcc-patches/2020-August/551660.html Yes, with that fix (as anticipated by you) build and bootstrap work.