[commit: ghc] master's head updated: Merge remote-tracking branch 'origin/unboxed-tuple-arguments2' (0076786)

[Paolo Capriotti]

Repository : ssh://darcs.haskell.org//srv/darcs/ghc

Branch 'master' now includes:

     c08df44... Remove the unused Type field from StgLam
     7950f46... Remove StgTypeArg since it was never used and is probably broken anyway
     09987de... Support code generation for unboxed-tuple function arguments
     0076786... Merge remote-tracking branch 'origin/unboxed-tuple-arguments2'