anchor.diff:  
     blaze-builder = overrideCabal super.blaze-builder (drv: {
       ## Unmerged.  PR: https://github.com/lpsmith/blaze-builder/pull/10
  -    ## 
  +    ##
       ##     • No instance for (Semigroup Poke)
       ##         arising from the superclasses of an instance declaration
       ##     • In the instance declaration for ‘Monoid Poke’
  
positive.code: 
    th-desugar = overrideCabal super.th-desugar (drv: {
      ## Upstreamed, awaiting a Hackage release
      ## 
      ##     • Could not deduce (MonadIO (DsM q))
      ##         arising from the 'deriving' clause of a data type declaration
      ##       from the context: Quasi q
  
negative.code: 
    funcmp = overrideCabal super.funcmp_1_9 (drv: {
      ## Needs bump to a versioned attribute
      ##
      ## Needed for (<>) in prelude
      ## Setup: Encountered missing dependencies:
      ## base >=3 && <4.11
  