Warning police

compiler/basicTypes/OccName.lhs

@@ -78,7 +78,6 @@ import Data.Char
 
 -- Unicode TODO: put isSymbol in libcompat
 #if __GLASGOW_HASKELL__ > 604
-import Data.Char	( isSymbol )
 #else
 isSymbol = const False
 #endif

compiler/simplCore/CSE.lhs

@@ -334,7 +334,7 @@ addBinder :: CSEnv -> Id -> (CSEnv, Id)
 addBinder env@(CS cs in_scope sub) v
   | not (v `elemInScopeSet` in_scope) = (CS cs (extendInScopeSet in_scope v)  sub,		       v)
   | isId v			      = (CS cs (extendInScopeSet in_scope v') (extendVarEnv sub v v'), v')
-  | not (isId v)		      = WARN( True, ppr v )
+  | otherwise			      = WARN( True, ppr v )
 				        (CS emptyUFM in_scope		      sub,		       v)
 	-- This last case is the unusual situation where we have shadowing of
 	-- a type variable; we have to discard the CSE mapping