Indentation breaks when using standalone deriving

[bitemyapp]

{-# LANGUAGE Arrows                #-}
{-# LANGUAGE DeriveGeneric         #-}
{-# LANGUAGE FlexibleContexts      #-}
{-# LANGUAGE FlexibleInstances     #-}
{-# LANGUAGE GADTs                 #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE QuasiQuotes           #-}
{-# LANGUAGE ScopedTypeVariables   #-}
{-# LANGUAGE StandaloneDeriving    #-}
{-# LANGUAGE TemplateHaskell       #-}
{-# LANGUAGE TupleSections         #-}
{-# LANGUAGE TypeFamilies          #-}

module Broken.Indent
       ( Name(..)
       ) where

data Name = Name String

deriving instance Eq Name
deriving instance Show Name

[gracjan]

Test case for this is in #1073.

[gracjan]

@issue-dispenser, how do you feel about tackling this one? It will require a bit of shuffling in haskell-indentation.el, but overall is rather doable. What do you think?