[1 of 3] Processing r
  [1 of 2] Compiling H[sig]           ( r/H.hsig, nothing )
  [2 of 2] Compiling M                ( r/M.hs, nothing )
[2 of 3] Processing h-impl
  Instantiating h-impl
  [1 of 2] Compiling A                ( h-impl/A.hs, bkp19.out/h-impl/A.o )
  [2 of 2] Compiling H                ( h-impl/H.hs, bkp19.out/h-impl/H.o )
[3 of 3] Processing s
  Instantiating s
  [1 of 1] Including r[H=h-impl:H]
    Instantiating r[H=h-impl:H]
    [1 of 2] Compiling H[sig]           ( r/H.hsig, bkp19.out/r/r-5FYQgnNkfSvBT5yogOxPpf/H.o )
    [2 of 2] Compiling M                ( r/M.hs, bkp19.out/r/r-5FYQgnNkfSvBT5yogOxPpf/M.o )