add dependency on exceptions because GHC.Exception was boiled down (ghc #18075)

2 files changed, 2 insertions, 6 deletions

diff --git a/haddock-api/src/Haddock/GhcUtils.hs b/haddock-api/src/Haddock/GhcUtils.hs
index f8f6f838..b60b13a4 100644
--- a/haddock-api/src/Haddock/GhcUtils.hs
+++ b/haddock-api/src/Haddock/GhcUtils.hs
@@ -445,11 +445,6 @@ modifySessionDynFlags f = do
   return ()
 
 
--- | A variant of 'gbracket' where the return value from the first computation
--- is not required.
-gbracket_ :: ExceptionMonad m => m a -> m b -> m c -> m c
-gbracket_ before_ after thing = gbracket before_ (const after) (const thing)
-
 -- Extract the minimal complete definition of a Name, if one exists
 minimalDef :: GhcMonad m => Name -> m (Maybe ClassMinimalDef)
 minimalDef n = do
diff --git a/haddock-api/src/Haddock/Utils.hs b/haddock-api/src/Haddock/Utils.hs
index 9bd0d656..010bd8bc 100644
--- a/haddock-api/src/Haddock/Utils.hs
+++ b/haddock-api/src/Haddock/Utils.hs
@@ -67,6 +67,7 @@ import GHC
 import GHC.Types.Name
 
 import Control.Monad ( liftM )
+import Control.Monad.Catch ( bracket_ )
 import Data.Char ( isAlpha, isAlphaNum, isAscii, ord, chr )
 import Numeric ( showIntAtBase )
 import Data.Map ( Map )
@@ -404,7 +405,7 @@ writeUtf8File filepath contents = withFile filepath WriteMode $ \h -> do
     hPutStr h contents
 
 withTempDir :: (ExceptionMonad m) => FilePath -> m a -> m a
-withTempDir dir = gbracket_ (liftIO $ createDirectory dir)
+withTempDir dir = bracket_ (liftIO $ createDirectory dir)
                             (liftIO $ removeDirectoryRecursive dir)
 
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