[GHC] Batch modify: #11086, #11087, #11088, #11089, #11090

Batch modification to #11086, #11087, #11088, #11089, #11090 by thomie: Action: resolve Comment: Duplicate of #11091, possibly from form resubmission. -- Tickets URL: http://ghc.haskell.org/trac/ghc/query?id=11086%2C11087%2C11088%2C11089%2C110... GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler