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-rw-r--r--compiler/Language/Haskell/Syntax/ImpExp.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/Language/Haskell/Syntax/ImpExp.hs b/compiler/Language/Haskell/Syntax/ImpExp.hs
index b31c417936..fcb8ede0e7 100644
--- a/compiler/Language/Haskell/Syntax/ImpExp.hs
+++ b/compiler/Language/Haskell/Syntax/ImpExp.hs
@@ -39,7 +39,7 @@ data ImportDeclQualifiedStyle
= QualifiedPre -- ^ 'qualified' appears in prepositive position.
| QualifiedPost -- ^ 'qualified' appears in postpositive position.
| NotQualified -- ^ Not qualified.
- deriving Data
+ deriving (Eq, Data)
-- | Indicates whether a module name is referring to a boot interface (hs-boot
-- file) or regular module (hs file). We need to treat boot modules specially