[commit: ghc] master: Derive Generic instance for System.Exit.ExitCode (a5745d2)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/a5745d2b3112312a9e8c486142fb99b9d02e9827/ghc

>---------------------------------------------------------------

commit a5745d2b3112312a9e8c486142fb99b9d02e9827
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date:   Tue Apr 14 01:12:22 2015 -0500

    Derive Generic instance for System.Exit.ExitCode
    
    Reviewed By: austin
    
    Differential Revision: https://phabricator.haskell.org/D830


>---------------------------------------------------------------

a5745d2b3112312a9e8c486142fb99b9d02e9827
 libraries/base/GHC/IO/Exception.hs | 5 +++--
 libraries/base/changelog.md        | 2 ++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/libraries/base/GHC/IO/Exception.hs b/libraries/base/GHC/IO/Exception.hs
index b7e05b5..9cf78b3 100644
--- a/libraries/base/GHC/IO/Exception.hs
+++ b/libraries/base/GHC/IO/Exception.hs
@@ -1,5 +1,5 @@
 {-# LANGUAGE Trustworthy #-}
-{-# LANGUAGE NoImplicitPrelude, MagicHash,
+{-# LANGUAGE DeriveGeneric, NoImplicitPrelude, MagicHash,
              ExistentialQuantification #-}
 {-# OPTIONS_GHC -funbox-strict-fields #-}
 {-# OPTIONS_HADDOCK hide #-}
@@ -44,6 +44,7 @@ module GHC.IO.Exception (
  ) where
 
 import GHC.Base
+import GHC.Generics
 import GHC.List
 import GHC.IO
 import GHC.Show
@@ -225,7 +226,7 @@ data ExitCode
                 -- The exact interpretation of the code is
                 -- operating-system dependent.  In particular, some values
                 -- may be prohibited (e.g. 0 on a POSIX-compliant system).
-  deriving (Eq, Ord, Read, Show)
+  deriving (Eq, Ord, Read, Show, Generic)
 
 instance Exception ExitCode
 
diff --git a/libraries/base/changelog.md b/libraries/base/changelog.md
index ea509af..56b9fae 100644
--- a/libraries/base/changelog.md
+++ b/libraries/base/changelog.md
@@ -31,6 +31,8 @@
 
   * `Complex` now has a `Generic` instance
 
+  * `System.Exit.ExitCode` now has a `Generic` instance
+
 ## 4.8.0.0  *Mar 2015*
 
   * Bundled with GHC 7.10.1