X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FdeSugar%2FDesugar.lhs;h=6842e9d6d624ac49846b191e7b96fda240d13bf7;hb=05535340ae496c57ff218e016da6649ca1640754;hp=e3874a7017d0c6c43f2265f7f9aea2b032edf4d9;hpb=d74b100eaa9e782710b752805ac148e91e5c6850;p=ghc-hetmet.git

diff --git a/compiler/deSugar/Desugar.lhs b/compiler/deSugar/Desugar.lhs
index e3874a7..6842e9d 100644
--- a/compiler/deSugar/Desugar.lhs
+++ b/compiler/deSugar/Desugar.lhs
@@ -8,8 +8,6 @@ The Desugarer: turning HsSyn into Core.
 \begin{code}
 module Desugar ( deSugar, deSugarExpr ) where
 
-#include "HsVersions.h"
-
 import DynFlags
 import StaticFlags
 import HscTypes
@@ -40,7 +38,9 @@ import SrcLoc
 import Maybes
 import FastString
 import Coverage
+
 import Data.IORef
+import Data.Char
 \end{code}
 
 %************************************************************************
@@ -151,13 +151,15 @@ mkAutoScc mod exports
   | not opt_SccProfilingOn 	-- No profiling
   = NoSccs		
   | opt_AutoSccsOnAllToplevs 	-- Add auto-scc on all top-level things
-  = AddSccs mod (\_ -> True)
+  = AddSccs mod (\id -> not $ isDerivedOccName $ getOccName id)
+    -- See #1641.  This is pretty yucky, but I can't see a better way
+    -- to identify compiler-generated Ids, and at least this should
+    -- catch them all.
   | opt_AutoSccsOnExportedToplevs	-- Only on exported things
   = AddSccs mod (\id -> idName id `elemNameSet` exports)
   | otherwise
   = NoSccs
 
-
 deSugarExpr :: HscEnv
 	    -> Module -> GlobalRdrEnv -> TypeEnv 
  	    -> LHsExpr Id
@@ -273,6 +275,6 @@ dsRule (L loc (HsRule name act vars lhs _tv_lhs rhs _fv_rhs))
 	; return (Just rule)
 	} } }
   where
-    msg = hang (ptext SLIT("RULE left-hand side too complicated to desugar; ignored"))
+    msg = hang (ptext (sLit "RULE left-hand side too complicated to desugar; ignored"))
 	     2 (ppr lhs)
 \end{code}