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-rw-r--r--ghc/compiler/utils/Ubiq.lhi5
1 files changed, 3 insertions, 2 deletions
diff --git a/ghc/compiler/utils/Ubiq.lhi b/ghc/compiler/utils/Ubiq.lhi
index aaf4be1c20..bb06487f1d 100644
--- a/ghc/compiler/utils/Ubiq.lhi
+++ b/ghc/compiler/utils/Ubiq.lhi
@@ -3,7 +3,8 @@ Things which are ubiquitous in the GHC compiler.
\begin{code}
interface Ubiq where
-import PreludePS(_PackedString)
+--import PreludePS(_PackedString)
+import FastString(FastString)
import Bag ( Bag )
import BinderInfo ( BinderInfo )
@@ -132,7 +133,7 @@ data Unique -- NB: fails the optimisation criterion
-- don't get clever and unexpand some of these synonyms
-- (GHC 0.26 will barf)
-type Module = _PackedString
+type Module = FastString
type Arity = Int
type Class = GenClass (GenTyVar (GenUsage Unique)) Unique
type ClassOp = GenClassOp (GenType (GenTyVar (GenUsage Unique)) Unique)