Remove code that is dead, as we require __GLASGOW_HASKELL__ >= 504

[ghc-hetmet.git] / compiler / utils / Panic.lhs

diff --git a/compiler/utils/Panic.lhs b/compiler/utils/Panic.lhs
index eb3ce78..53d75b0 100644 (file)
--- a/compiler/utils/Panic.lhs
+++ b/compiler/utils/Panic.lhs
@@ -39,7 +39,7 @@ import Posix          ( Handler(Catch), installHandler, sigINT, sigQUIT )
 import GHC.ConsoleHandler
 #endif
 
-import Control.Exception hiding (try)
+import Control.Exception
 import Control.Concurrent ( myThreadId, MVar, ThreadId, withMVar, newMVar )
 import Data.Dynamic
 import qualified Control.Exception as Exception
@@ -171,33 +171,14 @@ tryMost action = do r <- try action; filter r
 tryUser :: IO a -> IO (Either Exception.Exception a)
 tryUser action = tryJust tc_errors action
   where 
-#if __GLASGOW_HASKELL__ > 504 || __GLASGOW_HASKELL__ < 500
+#if __GLASGOW_HASKELL__ > 504
        tc_errors e@(Exception.IOException ioe) | isUserError ioe = Just e
-#elif __GLASGOW_HASKELL__ == 502
-       tc_errors e@(UserError _) = Just e
 #else 
        tc_errors e@(Exception.IOException ioe) | isUserError e = Just e
 #endif
        tc_errors _other = Nothing
 \end{code}     
 
-Compatibility stuff:
-
-\begin{code}
-#if __GLASGOW_HASKELL__ <= 408
-try = Exception.tryAllIO
-#else
-try = Exception.try
-#endif
-
-#if __GLASGOW_HASKELL__ <= 408
-catchJust = Exception.catchIO
-tryJust   = Exception.tryIO
-ioErrors  = Exception.justIoErrors
-throwTo   = Exception.raiseInThread
-#endif
-\end{code}
-
 Standard signal handlers for catching ^C, which just throw an
 exception in the target thread.  The current target thread is
 the thread at the head of the list in the MVar passed to