[GHC] Batch modify: #855, #932, #7080, #7109, #8354, #9388, #11393, ...

[GHC]

Batch modification to #855, #932, #7080, #7109, #8354, #9388, #11393, #11441, #4831, #5059, #9374 by thomie:
failure to Runtime performance bug

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Tickets URL: <http://ghc.haskell.org/trac/ghc/query?id=855%2C932%2C7080%2C7109%2C8354%2C9388%2C11393%2C11441%2C4831%2C5059%2C9374>
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