[GHC] #7919: Heap corruption (segfault) from large 'let' expression

[GHC]

#7919: Heap corruption (segfault) from large 'let' expression
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              Reporter:  duncan      |            Owner:
                  Type:  bug         |           Status:  infoneeded
              Priority:  high        |        Milestone:  7.8.4
             Component:  Runtime     |          Version:  7.6.3
  System                             |         Keywords:
            Resolution:              |     Architecture:  x86_64 (amd64)
      Operating System:  Linux       |       Difficulty:  Unknown
       Type of failure:  Runtime     |       Blocked By:
  crash                              |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by rwbarton):

 The test case T7919 crashes for me some of the time when run with
 WAY=threaded2 in a validate tree. Haven't looked into exactly how that
 relates to this ticket, but thought I would report it here.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7919#comment:18>
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