[Haskell-cafe] a bug of 32bit ghc on mac ?

[Bob Hutchison]

I compiled and ran it a few hundred times in a script with no failures. I've got the same version of GHC on OS X 10.8.3.

BTW, it's not just Yesod that has that bug you mentioned in the 64-bit version.

Cheers,
Bob


On 2013-04-30, at 11:37 PM, Sray <sray at live.com> wrote:

> hi all
> 
> it seems i have met some bug on a MAC 32bit GHC version 7.4.2 
> 
> to make long stroy short,  my code is about parse a json file using aeson
> here is my code
> http://pastebin.com/0VcVhdvX
> 
> and here is test data
> http://pastebin.com/PvtSvst5
> 
> and test steps
> save the code , and name it a.hs (or what you want)
> save the test data ,name it a.json (do not change its name)
> $ ghc a.hs -o a
> $ ./a
> 
> 
> what i get from the output is "fail"
> and when i run the command below for a few times
> $ runghc a.hs
> i even got some ok and some fail mixed together 
> 
> 
> but i copy the code and compile it on my linux, everything goes fine, the output is "OK"
> i have run "uninstall-hs" and install a 64bit ghc, also goes fine
> 
> i delete one line randomly chosen from my test data , got an ok
> roll back ,delete another line, also an ok...
> 
> I just want to make sure is this my bug or a bug of ghc
> 
> p.s. the reason using 32bit ghc is yesod, which has met another bug on 64bit mac ghc :(
> 
> thanks
> sray
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