[Haskell-cafe] Stack space overflow in HaskellNet

[Paul R]

>>> This should be mapM_ and 'ghc -Wall' spots this problem since 6.12.

>> The compiler (7.04) doesn't tell me anything about it.

Henning> It seems that it is no longer part of -Wall.

Indeed, that's not part of -Wall.

  http://www.haskell.org/ghc/docs/7.0.4/html/users_guide/options-sanity.html

Am I the only one who assumed so far that Wall turned on all existing
warnings ?