[GHC] #11303: Pattern matching against sets of strings sharing a prefix blows up pattern checker

[GHC]

#11303: Pattern matching against sets of strings sharing a prefix blows up pattern
checker
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        Reporter:  bgamari           |                Owner:  gkaracha
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.11
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #11302            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by rwbarton):

 In a way, the fact that memory usage explodes on such small inputs is
 encouraging: surely some mild effort on algorithms/data structures will
 have a massive effect here.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11303#comment:3>
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