Add {-# OPTIONS_GHC -w #-} and some blurb to all compiler modules

[ghc-hetmet.git] / compiler / deSugar / DsUtils.lhs

diff --git a/compiler/deSugar/DsUtils.lhs b/compiler/deSugar/DsUtils.lhs
index 41ef58e..6d2b2c6 100644 (file)
--- a/compiler/deSugar/DsUtils.lhs
+++ b/compiler/deSugar/DsUtils.lhs
@@ -8,6 +8,13 @@ Utilities for desugaring
 This module exports some utility functions of no great interest.
 
 \begin{code}
+{-# OPTIONS_GHC -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/WorkingConventions#Warnings
+-- for details
+
 module DsUtils (
        EquationInfo(..), 
        firstPat, shiftEqns,
@@ -647,7 +654,7 @@ mkSelectorBinds pat val_expr
     is_simple_lpat p = is_simple_pat (unLoc p)
 
     is_simple_pat (TuplePat ps Boxed _)        = all is_triv_lpat ps
-    is_simple_pat (ConPatOut{ pat_args = ps }) = all is_triv_lpat (hsConArgs ps)
+    is_simple_pat (ConPatOut{ pat_args = ps }) = all is_triv_lpat (hsConPatArgs ps)
     is_simple_pat (VarPat _)                  = True
     is_simple_pat (ParPat p)                  = is_simple_lpat p
     is_simple_pat other                               = False