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-rw-r--r--ghc/InteractiveUI.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/ghc/InteractiveUI.hs b/ghc/InteractiveUI.hs
index ecf8095d23..7f95125331 100644
--- a/ghc/InteractiveUI.hs
+++ b/ghc/InteractiveUI.hs
@@ -82,6 +82,7 @@ import System.Environment
import System.Exit ( exitWith, ExitCode(..) )
import System.Directory
import System.IO
+import System.IO.Unsafe ( unsafePerformIO )
import System.IO.Error
import Data.Char
import Data.Array