[GHC] #14899: Significant compilation time regression between 8.4 and HEAD due to coverage checking

[GHC]

#14899: Significant compilation time regression between 8.4 and HEAD due to
coverage checking
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  8.5
      Resolution:                    |             Keywords:
                                     |  PatternMatchWarnings, newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by bgamari):

 * keywords:  PatternMatchWarnings => PatternMatchWarnings, newcomer


Comment:

 Unfortunately there wasn't really a conclusion (hence nothing happened for
 8.6.1. Task (6) above would make for a great task for someone with a free
 weekend or three. It would require working out the theory but the coverage
 checker paper is fairly accessible.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14899#comment:9>
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