[GHC] #11602: Exponential behaviour in typeKind, unifyTys etc

[GHC]

#11602: Exponential behaviour in typeKind, unifyTys etc
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        Reporter:  simonpj           |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             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 simonpj):

 Bartosz says: The hottest chain goes like this: `promoteCoercion` ->
 `eqType` -> `cmpType` -> `cmpTypeX` -> `typeKind` -> `piResultTys`.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11602#comment:1>
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