libctl and mpb do not build on mips and mipsel
two of my packages (mpb and libctl) do not build on mips and mipsel. The
build logs  and  say something about an internal compiler error. The
build has been done with gcc 4.6.2. Previous builds with up to gcc 4.4.5
did not show that error.
Does anybody know what is going wrong here and how I am able to prevent