[GHC] #7043: 32-bit GHC ceiling of negative float SEGFAULT: 11

[GHC]

#7043: 32-bit GHC ceiling of negative float SEGFAULT: 11
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    Reporter:  DrGodCarl                              |       Owner:  igloo         
        Type:  bug                                    |      Status:  new           
    Priority:  high                                   |   Milestone:  7.6.2         
   Component:  Compiler                               |     Version:  7.4.1         
    Keywords:  Segfault, ceiling, segmentation fault  |          Os:  MacOS X       
Architecture:  Other                                  |     Failure:  GHCi crash    
  Difficulty:  Unknown                                |    Testcase:  ceiling (-0.8)
   Blockedby:                                         |    Blocking:                
     Related:                                         |  
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Changes (by igloo):

  * owner:  => igloo
  * difficulty:  => Unknown
  * priority:  normal => high
  * milestone:  => 7.6.2


Comment:

 Thanks for the report. I can reproduce this:
 {{{
 $ inplace/bin/ghc-stage2 --interactive
 GHCi, version 7.7.20121013: http://www.haskell.org/ghc/  :? for help
 Loading package ghc-prim ... linking ... done.
 Loading package integer-gmp ... linking ... done.
 Loading package base ... linking ... done.
 Prelude> ceiling (-0.8)
 Segmentation fault: 11
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7043#comment:1>
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