[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
-------------------------------------+-------------------------------------
        Reporter:  bgamari           |                Owner:  gkaracha
            Type:  bug               |               Status:  closed
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.11
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:  T11303
      Blocked By:                    |             Blocking:
 Related Tickets:  #11302            |  Differential Rev(s):  Phab:D1716,
       Wiki Page:                    |  Phab:D1719
-------------------------------------+-------------------------------------
Changes (by bgamari):

 * status:  new => closed
 * testcase:   => T11303
 * differential:   => Phab:D1716, Phab:D1719
 * resolution:   => fixed


Comment:

 The test case now compiles in less than a second.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11303#comment:7>
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