X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypes%2FTyCon.lhs;h=84d16e0bc4fbf022ca795c2cff98713b7ff65965;hb=e8b4f75a43685b56d8300dee9db2472977fba8fc;hp=0ac3bf07e49217b79af5415a627b8c10aa42002a;hpb=8fd85c9d692f91a5b565bb0d54050c2ce6ac6ae2;p=ghc-hetmet.git

diff --git a/compiler/types/TyCon.lhs b/compiler/types/TyCon.lhs
index 0ac3bf0..84d16e0 100644
--- a/compiler/types/TyCon.lhs
+++ b/compiler/types/TyCon.lhs
@@ -475,6 +475,7 @@ data PrimRep
   | AddrRep		-- a pointer, but not to a Haskell value
   | FloatRep
   | DoubleRep
+  deriving( Eq )
 
 -- Size of a PrimRep, in bytes
 sizeofPrimRep :: PrimRep -> Int