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authorRyan Scott <ryan.gl.scott@gmail.com>2016-05-24 09:22:04 -0400
committerRyan Scott <ryan.gl.scott@gmail.com>2016-05-24 09:22:04 -0400
commit95dfdceb8b4dcc54a366949577d9ee389bad5bc3 (patch)
tree02f300a1867a6129f296a66d1e0cb8aefdfde529 /compiler/utils/IOEnv.hs
parent9d06ef1ae451a145607301dc7556931b537a7d83 (diff)
downloadhaskell-95dfdceb8b4dcc54a366949577d9ee389bad5bc3.tar.gz
Remove 'deriving Typeable' statements
Summary: Deriving `Typeable` has been a no-op since GHC 7.10, and now that we require 7.10+ to build GHC, we can remove all the redundant `deriving Typeable` statements in GHC. Test Plan: ./validate Reviewers: goldfire, austin, hvr, bgamari Reviewed By: austin, hvr, bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D2260
Diffstat (limited to 'compiler/utils/IOEnv.hs')
-rw-r--r--compiler/utils/IOEnv.hs3
1 files changed, 0 insertions, 3 deletions
diff --git a/compiler/utils/IOEnv.hs b/compiler/utils/IOEnv.hs
index 6c081ea3d0..29854c51fe 100644
--- a/compiler/utils/IOEnv.hs
+++ b/compiler/utils/IOEnv.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE CPP #-}
--
@@ -39,7 +38,6 @@ import Panic
import Data.IORef ( IORef, newIORef, readIORef, writeIORef, modifyIORef,
atomicModifyIORef, atomicModifyIORef' )
-import Data.Typeable
import System.IO.Unsafe ( unsafeInterleaveIO )
import System.IO ( fixIO )
import Control.Monad
@@ -95,7 +93,6 @@ failWithM :: String -> IOEnv env a
failWithM s = IOEnv (\ _ -> ioError (userError s))
data IOEnvFailure = IOEnvFailure
- deriving Typeable
instance Show IOEnvFailure where
show IOEnvFailure = "IOEnv failure"