ghc: Fix regression in unregisterised builds#487958

sternenseemann merged 1 commit intoNixOS:haskell-updatesNixOS/nixpkgs:haskell-updatesfrom

AlexandreTunstall:fix-ghc-unreg-gnu23AlexandreTunstall/nixpkgs:fix-ghc-unreg-gnu23Copy head branch name to clipboard