From https://github.com/mokus0/polynomial/pull/21
From: Xavier Dectot <xavier@wheredoibegin.fr>
Date: Wed, 12 Mar 2025 10:11:25 +0100
Subject: [PATCH] fixing for recent versions of ghc

--- a/src/Math/Polynomial/Type.hs
+++ b/src/Math/Polynomial/Type.hs
@@ -1,4 +1,5 @@
-{-# LANGUAGE ViewPatterns, TypeFamilies, GADTs, UndecidableInstances #-}
+{-# LANGUAGE ViewPatterns, TypeFamilies, GADTs, UndecidableInstances,
+   FlexibleContexts #-}
 -- |Low-level interface for the 'Poly' type.
 module Math.Polynomial.Type 
     ( Endianness(..)