https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396
--- Comment #73 from Andreas Schwab <[email protected]> --- I was using --without-build-config.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396
--- Comment #73 from Andreas Schwab <[email protected]> --- I was using --without-build-config.