[GHC] Batch modify: #7530, #8302, #9008, #9016, #9531, #9532, #9550

Batch modification to #7530, #8302, #9008, #9016, #9531, #9532, #9550 by hvr: keywords to report-impact -- Tickets URL: http://ghc.haskell.org/trac/ghc/query?id=7530%2C8302%2C9008%2C9016%2C9531%2C... GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler