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

[GHC]

#7919: Heap corruption (segfault) from large 'let' expression
-------------------------------+--------------------------------------------
    Reporter:  duncan          |       Owner:  simonmar     
        Type:  bug             |      Status:  patch        
    Priority:  high            |   Milestone:  7.8.1        
   Component:  Runtime System  |     Version:  7.6.3        
    Keywords:                  |          Os:  Linux        
Architecture:  x86_64 (amd64)  |     Failure:  Runtime crash
  Difficulty:  Unknown         |    Testcase:               
   Blockedby:                  |    Blocking:               
     Related:                  |  
-------------------------------+--------------------------------------------

Comment(by simonmar):

 There is still a bug here - the program crashes when compiled with `-O`.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7919#comment:6>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler