Build broken on OSX-x86_64

[Ben Lippmeier]

"inplace/bin/ghc-stage2"   -O -H64m -fllvm    -package-name vector-0.9.1 -hide-all-packages -i -ilibraries/vector/. -ilibraries/vector/dist-install/build -ilibraries/vector/dist-install/build/autogen -Ilibraries/vector/dist-install/build -Ilibraries/vector/dist-install/build/autogen -Ilibraries/vector/include -Ilibraries/vector/internal   -optP-DVECTOR_BOUNDS_CHECKS -optP-include -optPlibraries/vector/dist-install/build/autogen/cabal_macros.h -package base-4.5.0.0 -package ghc-prim-0.2.0.0 -package primitive-0.4.0.1  -O2 -XHaskell98 -XCPP -XDeriveDataTypeable -O2  -no-user-package-conf -rtsopts      -odir libraries/vector/dist-install/build -hidir libraries/vector/dist-install/build -stubdir libraries/vector/dist-install/build -hisuf hi -osuf  o -hcsuf hc -c libraries/vector/./Data/Vector/Fusion/Stream/Monadic.hs -o libraries/vector/dist-install/build/Data/Vector/Fusion/Stream/Monadic.o
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package primitive-0.4.0.1 ... linking ... ghc-stage2: internal error: checkProddableBlock: invalid fixup in runtime linker: 0x10b70e217
    (GHC version 7.5.20120501 for x86_64_apple_darwin)
    Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
make[1]: *** [libraries/vector/dist-install/build/Data/Vector/Fusion/Stream/Monadic.o] Abort trap
make: *** [all] Error 2