Enable -fregs-graph with -O2; fixes #2790

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

diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
index b067782..1977566 100644 (file)
--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -601,7 +601,6 @@ defaultObjectTarget
 
 data DynLibLoader
   = Deployable
-  | Wrapped (Maybe String)
   | SystemDependent
   deriving Eq
 
@@ -933,9 +932,6 @@ parseDynLibLoaderMode f d =
  case splitAt 8 f of
    ("deploy", "")       -> d{ dynLibLoader = Deployable }
    ("sysdep", "")       -> d{ dynLibLoader = SystemDependent }
-   ("wrapped", "")      -> d{ dynLibLoader = Wrapped Nothing }
-   ("wrapped:", "hard") -> d{ dynLibLoader = Wrapped Nothing }
-   ("wrapped:", flex)   -> d{ dynLibLoader = Wrapped (Just flex) }
    _                    -> ghcError (CmdLineError ("Unknown dynlib loader: " ++ f))
 
 setDumpPrefixForce f d = d { dumpPrefixForce = f}
@@ -1025,6 +1021,7 @@ optLevelFlags
 
     , ([2],     Opt_LiberateCase)
     , ([2],     Opt_SpecConstr)
+    , ([2],     Opt_RegsGraph)
 
 --     , ([2],     Opt_StaticArgumentTransformation)
 -- Max writes: I think it's probably best not to enable SAT with -O2 for the