[GHC] #7961: Remove restrictions on promoting GADT's

[GHC]

#7961: Remove restrictions on promoting GADT's
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        Reporter:  danharaj          |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.6.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #6024             |  Differential Rev(s):  Phab:D808
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Comment (by Richard Eisenberg <eir@…>):

 In [changeset:"68f198f50ca6439957a65a95ce6e087d43b56eed/ghc" 68f198f/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="68f198f50ca6439957a65a95ce6e087d43b56eed"
 Test case for #7961.

 Test case: dependent/shoud_compile/TypeLevelVec
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7961#comment:20>
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