[GHC] #12983: Loading temp shared object failed: TemplateHaskell and recompilation

[GHC]

#12983: Loading temp shared object failed: TemplateHaskell and recompilation
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        Reporter:  StefanWehr        |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:  template
                                     |  haskell, recompilation
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by lippling):

 I noticed that the bug only arises with `-O0`. With `-O2` the app
 compiles.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12983#comment:4>
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