From 1583cc6449f0d5c05c27963e17a9db38236b9768 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 14 Mar 2018 21:22:18 +0100
Subject: [PATCH] haskell-SHA: fix compiler crash while trying to build the
 test suite on i686

Fixes https://github.com/NixOS/nixpkgs/issues/36949.
---
 pkgs/development/haskell-modules/configuration-common.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 2a0981d2a22..524e73077ad 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1010,4 +1010,10 @@ self: super: {
   # https://github.com/fpco/inline-c/issues/72
   inline-c = dontCheck super.inline-c;
 
+  # Avoid GHC compiler crash a la https://ghc.haskell.org/trac/ghc/ticket/5361.
+  SHA = appendPatch super.SHA (pkgs.fetchpatch {
+    url = https://github.com/GaloisInc/SHA/commit/c258350e953c3de2f98c5625ac3857f1a6863afc.patch;
+    sha256 = "1485bbjca1wqbh3c9yqj85kmq8j7zxq79y5isxypy3r6wjpr3g6b";
+  });
+
 }