enable and slay warnings in cmm/Cmm.hs

diff --git a/compiler/cmm/Cmm.hs b/compiler/cmm/Cmm.hs
index 8bf6818..fd36c3a 100644 (file)
--- a/compiler/cmm/Cmm.hs
+++ b/compiler/cmm/Cmm.hs
@@ -6,13 +6,6 @@
 --
 -----------------------------------------------------------------------------
 
-{-# 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 Cmm ( 
        GenCmm(..), Cmm, RawCmm,
        GenCmmTop(..), CmmTop, RawCmmTop,
@@ -115,6 +108,7 @@ blockId (BasicBlock blk_id _ ) = blk_id
 blockStmts :: GenBasicBlock i -> [i]
 blockStmts (BasicBlock _ stmts) = stmts
 
+mapBlockStmts :: (i -> i') -> GenBasicBlock i -> GenBasicBlock i'
 mapBlockStmts f (BasicBlock id bs) = BasicBlock id (map f bs)
 
 -----------------------------------------------------------------------------
@@ -344,6 +338,7 @@ cmmRegRep (CmmGlobal reg)   = globalRegRep reg
 localRegRep :: LocalReg -> MachRep
 localRegRep (LocalReg _ rep _) = rep
 
+localRegGCFollow :: LocalReg -> Kind
 localRegGCFollow (LocalReg _ _ p) = p
 
 cmmLitRep :: CmmLit -> MachRep