From f5743a5bd7b738cb7dc9d9f1ba7f5276532bc613 Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Mon, 31 Jul 2017 12:14:51 +0300
Subject: [PATCH] Reopen #2689

This reverts commit 522ebca7d1ea2fc646bb40002352126ee4a6d89e.
---
 build-constraints.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 33e1aedc..c3768e37 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3842,6 +3842,9 @@ expected-test-failures:
     # https://github.com/pruvisto/heap/issues/4
     - heap
 
+    # https://github.com/fpco/stackage/issues/2689
+    - non-negative
+
     # https://github.com/adamgundry/units-parser/issues/1
     - units-parser