From 2c5704bf98d997c5e56b19a9f532a879425aa4e8 Mon Sep 17 00:00:00 2001
From: sternenseemann <sternenseemann@systemli.org>
Date: Thu, 8 Jun 2023 13:05:43 +0200
Subject: [PATCH] haskellPackages.vector: fix test suite with QuickCheck-2.14.3

---
 .../haskell-modules/configuration-common.nix           | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 854658bf3f62..606a4643e115 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -157,6 +157,16 @@ self: super: {
       "vector-tests-O0"
       "vector-tests-O2"
     ];
+    patches = [
+      # Workaround almost guaranteed floating point errors in test suite with quickcheck 2.14.3
+      # https://github.com/haskell/vector/issues/460
+      (pkgs.fetchpatch {
+        name = "quickcheck-2.14.3-float-workaround.patch";
+        url = "https://github.com/haskell/vector/commit/df8dd8e8e84005aa6b187b03cd502f3c6e18cf3c.patch";
+        sha256 = "040wg8mqlkdnrl5axy9wk0mlpn8rpc4vc4afpxignj9i7yc4pfjj";
+        stripLen = 1;
+     })
+   ];
   }) super.vector;
 
   # There are numerical tests on random data, that may fail occasionally