[GHC] #10945: Typed Template Haskell splices broken in HEAD (7.11)

[GHC]

#10945: Typed Template Haskell splices broken in HEAD (7.11)
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        Reporter:  jstolarek         |                Owner:
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.0.1
       Component:  Template Haskell  |              Version:  7.11
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:  th/T10945
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
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Comment (by goldfire):

 Obviously we shouldn't panic, but the code above looks utterly bogus, for
 two reasons:

 1. According to my understanding, typed splices only work for expressions
 -- no other contexts allowed.

 2. The contents of a typed splice (of type `a`) must be `Q (TExp a)`.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10945#comment:4>
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