[1 of 3] Compiling A                ( A.hs, interpreted )
[2 of 3] Compiling B                ( B.hs, interpreted )
[3 of 3] Compiling C                ( C.hs, interpreted )

A.hs:5:1: warning: [GHC-62161] [-Wincomplete-patterns (in -Wextra)]
    Pattern match(es) are non-exhaustive
    In an equation for ‘incompletePattern’:
        Patterns of type ‘Int’ not matched: p where p is not one of {0}

A.hs:8:15: warning: [-Wunused-matches (in -Wextra)]
    Defined but not used: ‘x’

B.hs:7:1: warning: [GHC-66111] [-Wunused-imports (in -Wextra)]
    The import of ‘Data.Tuple’ is redundant
      except perhaps to import instances from ‘Data.Tuple’
    To import instances alone, use: import Data.Tuple()

C.hs:6:7: error: [GHC-88464]
    Variable not in scope: variableNotInScope :: ()
Failed, two modules loaded.
[3 of 3] Compiling C                ( C.hs, interpreted )
Failed, two modules loaded.