https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70704
--- Comment #42 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Even PATH=/opt/freeware/bin/:$PATH /home/jakub/gcc-6.0.1-RC-20160415/configure --disable-werror --enable-languages=c,c++,fortran,objc --with-gmp=/opt/cfarm --with-libiconv-prefix=/opt/cfarm --disable-libstdcxx-pch --with-included-gettext --enable-checking=release PATH=/opt/freeware/bin/:$PATH make -j48 > LOG 2>&1 & got through comparison without failure (still finishing bootstrap, but compare file already exists).
