[GHC] #10896: BadSock triggers failing ASSERT

[GHC]

#10896: BadSock triggers failing ASSERT
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        Reporter:  ezyang            |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler (Type    |                 Version:  7.11
  checker)                           |
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Changes (by thomie):

 * cc: simonpj (added)


Comment:

 This was caused by one of Simon's commits trying to fix the fallout from
 Phab:D202 (injective type families). See jstolarek's comment in
 https://phabricator.haskell.org/D202#34497.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10896#comment:1>
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