GHC 6.6 panic from Data.Binary.Builder? reproducible on linux and mac os/x

[S. Alexander Jacobson]

And if I do:

  ./sp ghc -fno-monomorphism-restriction -i.. -o FS.exe --make --sp HAppS.Protocols.HTTP.FileServer

I get:

   Warning: output was redirected with -o, but no output will be generated because there is no Main module.

Any idea what is going on here?

-Alex-

On Fri, 27 Apr 2007, S. Alexander Jacobson wrote:

> How to reproduce:
>
> $ curl http://searchpath.org/searchpath/SearchPath.hs > SearchPath.hs
> $ ghc --make SearchPath.hs -o sp
> $ ./sp -f runghc --sp HAppS.Protocols.HTTP.FileServer --http-port=7000
>
> searchpath will download all the needed modules and calls out to shell to run 
> this:
>  runghc -i.haskell_cache/http_searchpath.org-default.map.cache 
> .haskell_cache/http_searchpath.org-default.map.cache/HAppS/Protocols/HTTP/FileServer.hs 
> --http-port=7000
>
> which produces the following error:
>
>  ghc-6.6: panic! (the 'impossible' happened)
>    (GHC version 6.6 for i386-apple-darwin):
>          ByteCodeFFI.mkMarshalCode_wrk(x86) L_
>
>  Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
>
> Replacing runghc above with ghci causes a similar panic but because it tells 
> you what module it is processing, implies that it is being killed by 
> something in Data.Binary.Builder
>
> -Alex-
>
>
>

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