From 28d8400ea4522fe4ed86ed81a551ea08e23b6935 Mon Sep 17 00:00:00 2001
From: Jens Petersen <juhpetersen@gmail.com>
Date: Wed, 31 May 2017 18:12:38 +0900
Subject: [PATCH] foldl < 1.3.0 (#2550)

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0d19f46e..44e39a55 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3201,6 +3201,9 @@ packages:
         - statistics < 0.14 # requires bigger criterion, criterion stopped on #2538
         # https://github.com/fpco/stackage/issues/2547
         - ghc-exactprint < 0.5.4.0
+
+        # https://github.com/fpco/stackage/issues/2550
+        - foldl < 1.3.0
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of