[GHC] #13680: Can't use TypeApplications with [] data constructor

[GHC]

#13680: Can't use TypeApplications with [] data constructor
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |             Keywords:
      Resolution:                    |  TypeApplications
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by goldfire):

 Then just accept the new output. :)

 The test case for #12957 is not testing to see if GHC can report a
 redundant pattern match -- it's checking to make sure GHC avoids a panic.
 This change would bring the behavior around lists in line with that for
 other datatypes. Note that `case Nothing of Just _ -> ...` does not report
 a redundant match.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13680#comment:11>
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