simonpj: > Fri Apr 3 02:11:18 PDT 2009 [email protected] > * Import GHC.Err so we see bottoming functions properly > Ignore-this: 913e3a4584e73e67ddf9bc3b6f11d11 > > Before this patch, GHC/Err.lhs-boot exported divZeroError and overflowError, > as well as plain 'error'. The latter has a wired-in defn in GHC (MkId.lhs), > but the former two do not. As a result GHC doesn't see that overflowError > is a bottoming function at a crucial moment when compiling GHC.Real, and > that means that divMod wasn't getting the CPR property. > > The fix is easy: > - GHC/Err.lhs-boot should export only 'error' > > - GHC.Real, GHC.Int, and GHC.Word should import GHC.Err > directly. They can do this nowadays without creating > a module loop, thanks to the new exception story > > > M ./GHC/Err.lhs-boot -7 +1 > M ./GHC/Int.hs +1 > M ./GHC/Real.lhs +1 > M ./GHC/Word.hs +1 >
Well spotted! _______________________________________________ Cvs-libraries mailing list [email protected] http://www.haskell.org/mailman/listinfo/cvs-libraries
