[GHC] #11595: Merge some TypeInType fixes

[GHC]

#11595: Merge some TypeInType fixes
-------------------------------------+-------------------------------------
        Reporter:  goldfire          |                Owner:
            Type:  task              |               Status:  merge
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  8.1
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 ||= `master` =||= `ghc-8.0` =||
 || af2f7f90dd0aaae0e33d1f8064377d1657f180a6 ||
 919e5c16a449a2cd6ed5c4017477294435a1b1a2 ||
 || 01b29ebd25aceef8c35ea1cc3eabb6dafbb55daa ||
 fcf36a9c64f2cc80cd8d6a062a6993eb00f44a11 ||
 || 0706a103ae8c9c61e6bbaadd16b32da76aa5a749 ||
 4183976003ab9da51583d78debec798cd53789cc ||
 || f8ab575404b726b499e72343b7220e9213880dd4 || todo ||
 || 3e1b8824c849d063c7354dbdf63ae2910cf0fdfc || todo ||
 || 35e937973f61a7e5534ecd0b1c67111cd82d4238 ||
 fefaba919f4fcfe4eb71198d91a8718b72d7b6a1 ||
 || 5c0c751ab2deb4b03b8a2055d4f60d2574cae32f ||
 f840006b3e05c426951605f96ac5791afff10540 ||
 || 0beb82c171913508dc0de91851ab8e90821d8ba8 || todo ||

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11595#comment:4>
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