Add an Outputable EquationInfo instance

diff --git a/compiler/deSugar/DsMonad.lhs b/compiler/deSugar/DsMonad.lhs
index b4a46eb..3bb1493 100644 (file)
--- a/compiler/deSugar/DsMonad.lhs
+++ b/compiler/deSugar/DsMonad.lhs
@@ -78,6 +78,9 @@ data EquationInfo
   = EqnInfo { eqn_pats :: [Pat Id],            -- The patterns for an eqn
              eqn_rhs  :: MatchResult } -- What to do after match
 
+instance Outputable EquationInfo where
+    ppr (EqnInfo pats _) = ppr pats
+
 type DsWrapper = CoreExpr -> CoreExpr
 idDsWrapper :: DsWrapper
 idDsWrapper e = e