-- Ghc.Err.hs-boot
---------------------------------------------------------------------------
-module GHC.Err( error, divZeroError ) where
+module GHC.Err( error, divZeroError, overflowError ) where
-- The type signature for 'error' is a gross hack.
-- First, we can't give an accurate type for error, because it mentions
-- divide by zero is needed quite early
divZeroError :: a
+
+-- overflow is needed quite early
+overflowError :: a
\end{code}