Fix Trac #3966: warn about useless UNPACK pragmas

[ghc-hetmet.git] / compiler / iface / BinIface.hs

diff --git a/compiler/iface/BinIface.hs b/compiler/iface/BinIface.hs
index 2931ffa..e608421 100644 (file)
--- a/compiler/iface/BinIface.hs
+++ b/compiler/iface/BinIface.hs
@@ -613,16 +613,18 @@ instance Binary InlinePragma where
            d <- get bh
            return (InlinePragma a b c d)
 
-instance Binary StrictnessMark where
-    put_ bh MarkedStrict    = putByte bh 0
-    put_ bh MarkedUnboxed   = putByte bh 1
-    put_ bh NotMarkedStrict = putByte bh 2
+instance Binary HsBang where
+    put_ bh HsNoBang        = putByte bh 0
+    put_ bh HsStrict        = putByte bh 1
+    put_ bh HsUnpack        = putByte bh 2
+    put_ bh HsUnpackFailed  = putByte bh 3
     get bh = do
            h <- getByte bh
            case h of
-             0 -> do return MarkedStrict
-             1 -> do return MarkedUnboxed
-             _ -> do return NotMarkedStrict
+             0 -> do return HsNoBang
+             1 -> do return HsStrict
+             2 -> do return HsUnpack
+             _ -> do return HsUnpackFailed
 
 instance Binary Boxity where
     put_ bh Boxed   = putByte bh 0