CallStack (from ImplicitParams):
  f1, called at IPLocation.hs:34:11 in main:Main
CallStack (from ImplicitParams):
  x, called at IPLocation.hs:16:8 in main:Main
CallStack (from ImplicitParams):
  x, called at IPLocation.hs:21:8 in main:Main
  f4, called at IPLocation.hs:36:11 in main:Main

CallStack (from ImplicitParams):
  f6, called at IPLocation.hs:30:8 in main:Main
  f6, called at IPLocation.hs:30:8 in main:Main
  f6, called at IPLocation.hs:30:8 in main:Main
  f6, called at IPLocation.hs:30:8 in main:Main
  f6, called at IPLocation.hs:30:8 in main:Main
  f6, called at IPLocation.hs:38:11 in main:Main