From a55b6410cee1e76f0d557f7713e27f283744c42c Mon Sep 17 00:00:00 2001
From: Index Int <vlad.z.4096@gmail.com>
Date: Sun, 12 Jun 2016 17:44:36 +0300
Subject: [PATCH] Unblock union for GHC 8

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index f9adb89d..19820e84 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1474,7 +1474,7 @@ packages:
     "Index Int <vlad.z.4096@gmail.com>":
         - transformers-lift
         - ether
-        # GHC 8 - union
+        - union
 
     "Stack Builders stackage@stackbuilders.com @stackbuilders":
         - atomic-write