[GHC] Batch modify: #14512, #14529, #14551, #14602, #14604, #14610

Batch modification to #14512, #14529, #14551, #14602, #14604, #14610 by bgamari: milestone to 8.8.1 Comment: These won't be addressed in GHC 8.6. -- Tickets URL: http://ghc.haskell.org/trac/ghc/query?id=14512%2C14529%2C14551%2C14602%2C146... GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler