From 1f348e41a4960e00bc2b511411c3f7884d6e00d1 Mon Sep 17 00:00:00 2001
From: Will Fancher <elvishjerricco@gmail.com>
Date: Sun, 20 May 2018 13:24:28 -0400
Subject: [PATCH] Dont test enclosed exceptions

---
 pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
index 011f307e8a8..83d97c64b48 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
@@ -408,6 +408,9 @@ self: super: {
     jailbreak       = true;
   });
 
+  # https://github.com/jcristovao/enclosed-exceptions/issues/12
+  enclosed-exceptions = dontCheck super.enclosed-exceptions;
+
   # Older versions don't compile.
   base-compat = self.base-compat_0_10_1;
   brick = self.brick_0_37;