From f63bc730c7ea42ca6882f8078eb86be8bf1cc6ad Mon Sep 17 00:00:00 2001
From: Herbert Valerio Riedel <hvr@gnu.org>
Date: Tue, 19 Sep 2017 14:35:36 -0400
Subject: compiler: introduce custom "GhcPrelude" Prelude

This switches the compiler/ component to get compiled with
-XNoImplicitPrelude and a `import GhcPrelude` is inserted in all
modules.

This is motivated by the upcoming "Prelude" re-export of
`Semigroup((<>))` which would cause lots of name clashes in every
modulewhich imports also `Outputable`

Reviewers: austin, goldfire, bgamari, alanz, simonmar

Reviewed By: bgamari

Subscribers: goldfire, rwbarton, thomie, mpickering, bgamari

Differential Revision: https://phabricator.haskell.org/D3989
---
 compiler/cmm/CmmNode.hs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'compiler/cmm/CmmNode.hs')

diff --git a/compiler/cmm/CmmNode.hs b/compiler/cmm/CmmNode.hs
index f452b0b3f5..286b1e306c 100644
--- a/compiler/cmm/CmmNode.hs
+++ b/compiler/cmm/CmmNode.hs
@@ -22,6 +22,8 @@ module CmmNode (
      CmmTickScope(..), isTickSubScope, combineTickScopes,
   ) where
 
+import GhcPrelude hiding (succ)
+
 import CodeGen.Platform
 import CmmExpr
 import CmmSwitch
@@ -38,7 +40,6 @@ import Hoopl.Graph
 import Hoopl.Label
 import Data.Maybe
 import Data.List (tails,sortBy)
-import Prelude hiding (succ)
 import Unique (nonDetCmpUnique)
 import Util
 
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