http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58208
--- Comment #5 from Mikael Pettersson <mikpe at it dot uu.se> --- Unmodified FSF gcc-4.8.1 configured as follows: /tmp/gcc-4.8.1/configure --prefix=/tmp/install --with-gmp=/path/to/my/gmp-5.1.2 --with-mpfr=/path/to/my/mpfr-3.1.2 --with-mpc=/path/to/my/mpc-1.0.1 --enable-multilib --enable-checking=release --enable-languages=c,c++