From 0736d33fa2e5f09fab3b087498fe2e7f4501da04 Mon Sep 17 00:00:00 2001
From: Jens Petersen <juhpetersen@gmail.com>
Date: Thu, 3 Jan 2019 23:10:37 +0900
Subject: [PATCH] esqueleto haddock fails (#4270, haskell/haddock#979)

Haddock coverage:
haddock: internal error: internal: extractDecl
CallStack (from HasCallStack):
  error, called at utils/haddock/haddock-api/src/Haddock/Interface/Create.hs:1116:12 in main:Haddock.Interface.Create
---
 build-constraints.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index f95a4a3b..a8f60d3c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4621,6 +4621,8 @@ expected-haddock-failures:
     - emd
     - hmatrix-backprop
 
+    # https://github.com/haskell/haddock/issues/979
+    - esqueleto
 # end of expected-haddock-failures
 
 # For packages with haddock issues