[MacPorts] #25265: ghc 6.10.4 seg fault in ghci when showing negative float

[MacPorts]

#25265: ghc 6.10.4 seg fault in ghci when showing negative float
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 Reporter:  ben@…           |       Owner:  macports-tickets@…                   
     Type:  defect          |      Status:  new                                  
 Priority:  Normal          |   Milestone:                                       
Component:  ports           |     Version:  1.9.0                                
 Keywords:                  |        Port:  ghc                                  
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 On Snow Leopard, 64-bit, ghci will seg fault when attempting to show a
 negative float.

 Example:

 $ ghci
 GHCi, version 6.10.4: http://www.haskell.org/ghc/  :? for help
 Loading package ghc-prim ... linking ... done.
 Loading package integer ... linking ... done.
 Loading package base ... linking ... done.
 Prelude> 0.5
 0.5
 Prelude> -0.5
 -Segmentation fault

 The seg fault does happen after the sign is displayed.

 A file compiled by ghc does not display the same behavior. Given a file
 test.hs:

 main = putStr $ show (-0.5)

 And compiling with ghc --make test, the result will run normally.

 Possibly related to tickets #24670, #24571.

-- 
Ticket URL: <http://trac.macports.org/ticket/25265>
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