[commit: ghc] wip/oneShot's head updated: Add oneShot demo file (d49da7d)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

Branch 'wip/oneShot' now includes:

     75979f3 base: Refactor/clean-up *List modules
     28a000e Put one-Shot info in the interface
     d27eb19 Add GHC.Prim.oneShot
     12530cb Use oneShot in the definition of foldl etc.
     d49da7d Add oneShot demo file