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-rw-r--r--pkgs/development/haskell-modules/configuration-ghc-8.2.x.nix1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.2.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.2.x.nix
index 90d007229966..33503a75c023 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.2.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.2.x.nix
@@ -67,6 +67,7 @@ self: super: {
 
   # Work around overly restrictive constraints on the version of 'base'.
   ChasingBottoms = doJailbreak super.ChasingBottoms;
+  hashable = doJailbreak super.hashable;
 
   # https://github.com/haskell-compat/base-orphans/issues/42
   base-orphans = dontCheck super.base-orphans;