From 83174b4e133d5456b5a86590c29b4e50487f6eca Mon Sep 17 00:00:00 2001
From: Dan Burton <danburton.email@gmail.com>
Date: Mon, 3 Sep 2018 06:01:19 -0700
Subject: [PATCH] Add constraint "QuickCheck < 2.12" per #3949

---
 build-constraints.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7013de7e..0b527a17 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3685,6 +3685,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/3945
         - dhall < 1.17
 
+        # https://github.com/commercialhaskell/stackage/issues/3949
+        - QuickCheck < 2.12
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of