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-rw-r--r--libraries/bin-package-db/Distribution/InstalledPackageInfo/Binary.hs3
1 files changed, 3 insertions, 0 deletions
diff --git a/libraries/bin-package-db/Distribution/InstalledPackageInfo/Binary.hs b/libraries/bin-package-db/Distribution/InstalledPackageInfo/Binary.hs
index 15f7e8e957..60df64423d 100644
--- a/libraries/bin-package-db/Distribution/InstalledPackageInfo/Binary.hs
+++ b/libraries/bin-package-db/Distribution/InstalledPackageInfo/Binary.hs
@@ -1,3 +1,6 @@
+#if __GLASGOW_HASKELL__ >= 701
+{-# LANGUAGE Trustworthy #-}
+#endif
{-# LANGUAGE RecordWildCards, TypeSynonymInstances, StandaloneDeriving, GeneralizedNewtypeDeriving #-}
{-# OPTIONS_GHC -fno-warn-name-shadowing #-}
-- This module deliberately defines orphan instances for now. Should