https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70704
--- Comment #38 from David Edelsohn <dje at gcc dot gnu.org> --- The gt* files don't differ. I normally use --disable-werror --enable-languages=c,c++,fortran,objc --with-gmp=/opt/cfarm --with-libiconv-prefix=/opt/cfarm --disable-libstdcxx-pch --with-included-gettext --enable-checking=release