[GHC] Batch modify: #14973, #15087, #15165, #15213, #15535

Batch modification to #14973, #15087, #15165, #15213, #15535 by RyanGlScott: milestone to 8.6.1 Comment: These were marked as merge, but not milestoned properly. -- Tickets URL: http://ghc.haskell.org/trac/ghc/query?id=14973%2C15087%2C15165%2C15213%2C155... GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler