X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FbasicTypes%2FIdInfo.lhs;h=e64e255a9537e9485baae0d0057826d156833d28;hb=aafdba3bce91afb003f5f50e001e141744837bae;hp=a3124f359489c50c166d092602a503aa3847304c;hpb=59a4ad63f93f4fd7b8ede74bb2ea36778fe25e06;p=ghc-hetmet.git

diff --git a/compiler/basicTypes/IdInfo.lhs b/compiler/basicTypes/IdInfo.lhs
index a3124f3..e64e255 100644
--- a/compiler/basicTypes/IdInfo.lhs
+++ b/compiler/basicTypes/IdInfo.lhs
@@ -8,6 +8,13 @@
 Haskell. [WDP 94/11])
 
 \begin{code}
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
 module IdInfo (
 	GlobalIdDetails(..), notGlobalId, 	-- Not abstract
 
@@ -697,11 +704,11 @@ zapLamInfo info@(IdInfo {occInfo = occ, newDemandInfo = demand})
 	-- The "unsafe" occ info is the ones that say I'm not in a lambda
 	-- because that might not be true for an unsaturated lambda
     is_safe_occ (OneOcc in_lam _ _) = in_lam
-    is_safe_occ other		    = True
+    is_safe_occ _other		    = True
 
     safe_occ = case occ of
 		 OneOcc _ once int_cxt -> OneOcc insideLam once int_cxt
-		 other	       	       -> occ
+		 _other	       	       -> occ
 
     is_safe_dmd Nothing    = True
     is_safe_dmd (Just dmd) = not (isStrictDmd dmd)
@@ -717,9 +724,13 @@ zapDemandInfo info@(IdInfo {newDemandInfo = dmd})
 \begin{code}
 zapFragileInfo :: IdInfo -> Maybe IdInfo
 -- Zap info that depends on free variables
-zapFragileInfo info = Just (info `setSpecInfo` emptySpecInfo
-				 `setWorkerInfo` NoWorker
-                                 `setUnfoldingInfo` NoUnfolding)
+zapFragileInfo info 
+  = Just (info `setSpecInfo` emptySpecInfo
+	       `setWorkerInfo` NoWorker
+               `setUnfoldingInfo` NoUnfolding
+	       `setOccInfo` if isFragileOcc occ then NoOccInfo else occ)
+  where
+    occ = occInfo info
 \end{code}
 
 %************************************************************************