[GHC] #5203: Stack overflow in criterion

[GHC]

#5203: Stack overflow in criterion
----------------------------+-----------------------------------------------
  Reporter:  rl             |          Owner:  simonpj         
      Type:  bug            |         Status:  closed          
  Priority:  normal         |      Milestone:  7.2.1           
 Component:  Compiler       |        Version:  7.1             
Resolution:  invalid        |       Keywords:                  
  Testcase:                 |      Blockedby:                  
Difficulty:                 |             Os:  MacOS X         
  Blocking:                 |   Architecture:  Unknown/Multiple
   Failure:  Runtime crash  |  
----------------------------+-----------------------------------------------
Changes (by igloo):

  * status:  new => closed
  * resolution:  => invalid


Comment:

 Replying to [comment:7 simonpj]:
 > Could you let me know how to reproduce the problem?  Ie see the
 offending code with old ghc (wfoldm_loop) and with new GHC (foldm_loop)?
 Thanks.  What is "old" here?  Presumably "new" is both 7.0.4 and master.

 I wasn't actually comparing different GHC versions, but slightly different
 sources, i.e.:
 {{{
 ghc --make q2 -O -Wall -fforce-recomp -dcore-lint -dcmm-lint -DBREAK
 }}}
 vs
 {{{
 ghc --make q2 -O -Wall -fforce-recomp -dcore-lint -dcmm-lint
 }}}

 I've just taken a look at the 7.0.2 core, and it looks like it has the
 same problem. I guess the difference is just a matter of how big the stack
 frames are or something, so I'll close the ticket.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5203#comment:9>
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