[GHC] #14163: Stack Overflow with ApplicativeDo

[GHC]

#14163: Stack Overflow with ApplicativeDo
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        Reporter:  lippling          |                Owner:  simonmar
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1
      Resolution:                    |             Keywords:  ApplicativeDo
Operating System:  MacOS X           |         Architecture:  x86_64
 Type of failure:  Compile-time      |  (amd64)
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by lippling):

 So the workarounds are:
 - Disable ApplicativeDo -OR-
 - Enable the `-foptimal-applicative-do` flag and have longer compile times
 (O(n^2) vs. O(n^3)) -OR-
 - Rearrange the code so that ApplicativeDo doesn't "trigger"

 Am I right?

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14163#comment:3>
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