Don't import FastString in HsVersions.h

[ghc-hetmet.git] / compiler / cmm / ZipDataflow0.hs

diff --git a/compiler/cmm/ZipDataflow0.hs b/compiler/cmm/ZipDataflow0.hs
index 3a3b0a8..00f15db 100644 (file)
--- a/compiler/cmm/ZipDataflow0.hs
+++ b/compiler/cmm/ZipDataflow0.hs
@@ -244,7 +244,7 @@ fold_edge_facts_with_nodes_b :: LastNode l
 -- fixed point iteratively starting from somewhere other than bottom
 -- (as in the reachability analysis done for proc points).
 
-class (Outputable m, Outputable l, LastNode l, Outputable (LGraph m l)) => DebugNodes m l
+class (Outputable m, Outputable l, LastNode l) => DebugNodes m l
 
 refine_f_anal :: (DebugNodes m l, LastNode l, Outputable a) =>
         FAnalysis m l a -> LGraph m l -> DFA a () -> DFA a ()
@@ -1088,10 +1088,6 @@ subAnalysis' m =
   where pprFacts env = nest 2 $ vcat $ map pprFact $ ufmToList env
         pprFact (id, a) = hang (ppr id <> colon) 4 (ppr a)
 
-
-_unused :: FS.FastString
-_unused = undefined
-
 null_b_ft = BComp "do nothing" Nothing no2 no2 no2
     where no2 _ _ = Nothing