From: Manuel M T Chakravarty <chak@cse.unsw.edu.au>
Date: Mon, 18 Sep 2006 21:26:11 +0000 (+0000)
Subject: Deriving Eq for OverlapFlag again
X-Git-Tag: After_FC_branch_merge~110
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=00c8e4f56dff60984a892da9c976c080031a16b2

Deriving Eq for OverlapFlag again
Mon Aug  7 11:15:21 EDT 2006  Manuel M T Chakravarty <chak@cse.unsw.edu.au>
  * Deriving Eq for OverlapFlag again
---

diff --git a/compiler/basicTypes/BasicTypes.lhs b/compiler/basicTypes/BasicTypes.lhs
index ab6d463..0dbd0f6 100644
--- a/compiler/basicTypes/BasicTypes.lhs
+++ b/compiler/basicTypes/BasicTypes.lhs
@@ -295,6 +295,7 @@ data OverlapFlag
 		-- Without the Incoherent flag, we'd complain that
 		-- instantiating 'b' would change which instance 
 		-- was chosen
+  deriving( Eq )
 
 instance Outputable OverlapFlag where
    ppr NoOverlap  = empty