Put a newtype wrapper around ModuleEnv

[ghc-hetmet.git] / compiler / iface / MkIface.lhs

diff --git a/compiler/iface/MkIface.lhs b/compiler/iface/MkIface.lhs
index 7b30a19..4de3a6f 100644 (file)
--- a/compiler/iface/MkIface.lhs
+++ b/compiler/iface/MkIface.lhs
@@ -915,7 +915,8 @@ mkIfaceExports :: [AvailInfo]
                   -- Group by module and sort by occurrence
 mkIfaceExports exports
   = [ (mod, eltsFM avails)
-    | (mod, avails) <- sortBy (stableModuleCmp `on` fst) (fmToList groupFM)
+    | (mod, avails) <- sortBy (stableModuleCmp `on` fst)
+                              (moduleEnvToList groupFM)
                        -- NB. the fmToList is in a random order,
                        -- because Ord Module is not a predictable
                        -- ordering.  Hence we perform a final sort