[GHC] #16348: GHC HEAD regression: tyConAppArgs

[GHC]

#16348: GHC HEAD regression: tyConAppArgs
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:
       Component:  Compiler          |              Version:  8.7
      Resolution:                    |             Keywords:
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 monoidal):

 This was introduced by my commit 7833cf407d1f6 (Look through newtype
 wrappers). I don't know what's going on yet.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16348#comment:2>
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