[GHC] #13500: GHCi preprocesses every source file on :reload

[GHC]

#13500: GHCi preprocesses every source file on :reload
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           Reporter:  simonmar       |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  highest        |         Milestone:  8.2.1
          Component:  Compiler       |           Version:  8.0.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):  Phab:D3398     |         Wiki Page:
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 This is a regression in 8.0 caused by
 5d48e67fac952f7188fc9ebcfbf6e3ccb9b75705

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13500>
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