From b2b8cf9e33f32f7ccd9bd6a91d6ff100606d50dd Mon Sep 17 00:00:00 2001
From: Utku Demir <me@utdemir.com>
Date: Wed, 19 Aug 2020 18:06:11 +1200
Subject: [PATCH] haskellPackages.ghcHEAD: Mark exceptions as a core library

---
 pkgs/development/haskell-modules/configuration-ghc-head.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-head.nix b/pkgs/development/haskell-modules/configuration-ghc-head.nix
index 8d084162783..cbfd4b84b2f 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-head.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-head.nix
@@ -48,6 +48,7 @@ self: super: {
   transformers = null;
   unix = null;
   xhtml = null;
+  exceptions = null;
 
   # https://github.com/tibbe/unordered-containers/issues/214
   unordered-containers = dontCheck super.unordered-containers;