From 62c72bad1d3ec7e11c278616f4f19f9275a17e65 Mon Sep 17 00:00:00 2001
From: Mihai Maruseac <mihai.maruseac@gmail.com>
Date: Sat, 14 Apr 2018 11:57:36 -0700
Subject: [PATCH] butcher blocked by multistate

---
 build-constraints.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index e6df4603..5dc9ed3b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2776,7 +2776,7 @@ packages:
     "Lennart Spitzner <hexagoxel@hexagoxel.de> @lspitzner":
         - multistate < 0 # GHC 8.4 via base-4.11.0.0
         - pqueue
-        - butcher
+        - butcher < 0 # GHC 8.4 via multistate
         - czipwith
         - brittany < 0 # GHC 8.4 via ghc-8.4.1