Fix a looping bug in the new occur-check code

[ghc-hetmet.git] / compiler / main / DynFlags.hs

diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
index eb2dbef..c3ce170 100644 (file)
--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -802,6 +802,7 @@ languageExtensions Nothing
                          -- behaviour the default, to see if anyone notices
                          -- SLPJ July 06
       -- In due course I'd like Opt_MonoLocalBinds to be on by default
+      -- But NB it's implied by GADTs etc
       -- SLPJ September 2010
     : languageExtensions (Just Haskell2010)
 languageExtensions (Just Haskell98)
@@ -1566,8 +1567,7 @@ xFlags = [
   ( "LiberalTypeSynonyms",              Opt_LiberalTypeSynonyms, nop ),
   ( "Rank2Types",                       Opt_Rank2Types, nop ),
   ( "RankNTypes",                       Opt_RankNTypes, nop ),
-  ( "ImpredicativeTypes",               Opt_ImpredicativeTypes, 
-        \_ -> deprecate "impredicative polymorphism will be simplified or removed in GHC 6.14" ),
+  ( "ImpredicativeTypes",               Opt_ImpredicativeTypes, nop), 
   ( "TypeOperators",                    Opt_TypeOperators, nop ),
   ( "RecursiveDo",                      Opt_RecursiveDo,
     deprecatedForExtension "DoRec"),