ghc/tests/typecheck/should_fail/tcfail004.stderr

   1
   2 tcfail004.hs:3: Couldn't match the type
   3                     `PrelTup.(,,) taS7' against `PrelTup.(,)'
   4     Expected: `(taS7, taS9, taSb)'
   5     Inferred: `(taS1, taS4)'
   6     In a pattern binding: `(f, g) = (1, 2, 3)'
   7
   8
   9 Compilation had errors