From fb8c0f6ce7fd425ed615edb48d1006500489f9e4 Mon Sep 17 00:00:00 2001
From: Mihai Maruseac <mihai.maruseac@gmail.com>
Date: Sat, 16 Jan 2021 11:52:41 -0800
Subject: [PATCH] Disable `unification-fd` (#5827)

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index c57509a7..4a84e9b8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2019,7 +2019,7 @@ packages:
         - hxt-tagsoup
         - hexpat
         - digits
-        - unification-fd
+        - unification-fd < 0  # https://github.com/commercialhaskell/stackage/issues/5827
         - logict
         - leveldb-haskell
         - system-argv0