[GHC] Batch modify: #15219, #15220, #15221, #15231, #15233, #15234, ...

Batch modification to #15219, #15220, #15221, #15231, #15233, #15234, #15235, #15239, #15245, #15246, #15247, #15248, #15249, #15250, #15251, #15252, #15257, #15258, #15261, #15262, #15263, #15270, #15271 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=15219%2C15220%2C15221%2C15231%2C152... GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler