[GHC] #10707: -fth-dec-file outputs invalid case clauses

[GHC]

#10707: -fth-dec-file outputs invalid case clauses
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        Reporter:  Fabian            |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Template Haskell  |                 Version:  7.10.1
      Resolution:                    |                Keywords:  newcomer
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:  #10701            |  Differential Revisions:
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Changes (by goldfire):

 * keywords:   => newcomer
 * component:  Compiler => Template Haskell
 * milestone:   => 7.12.1


Comment:

 Thanks for the report. No great care has been made to ensure that pretty-
 printed Template Haskell can be parsed, but this has been requested
 before. Straightforward to fix -- all the code is in
 `Language.Haskell.TH.Ppr`. Anyone care to submit a patch?

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10707#comment:2>
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