https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78984
--- Comment #1 from bruno at clisp dot org --- The error is similar to the one in bug #63507. The differences are: - I'm not using the '--with-build-config=bootstrap-asan' option. - It fails building the "," directory of libgcc, not the "32" directory of libgcc.