-- This should be a checkTc, not a warnTc, but as of GHC 6.11
-- the versions of alex and happy available have non-conforming
-- templates, so the GHC build fails if it's an error:
- ; warnTc (not bang_pat)
+ ; warnUnlifted <- doptM Opt_WarnLazyUnliftedBindings
+ ; warnTc (warnUnlifted && not bang_pat)
(unliftedMustBeBang mbind)
; mapM_ check_sig infos
; return True }
unliftedMustBeBang mbind
= hang (text "Bindings containing unlifted types must use an outermost bang pattern:")
4 (pprLHsBinds mbind)
+ $$ text "*** This will be an error in GHC 6.14! Fix your code now!"
strictBindErr :: String -> Bool -> LHsBindsLR Var Var -> SDoc
strictBindErr flavour unlifted mbind