compiler bug (in version 6.4)

[Simon Marlow]

On 23 April 2005 16:44, Henning Günther wrote:

> I've tried to run the command "ghc -c ikosaeder.hs" and got the
> following:
> 
> ghc-6.4: panic! (the `impossible' happened, GHC version 6.4):
>         ds_app_type Main.Neighbor{tc r15r} []
> 
> Please report it as a compiler bug to
> glasgow-haskell-bugs at haskell.org, or
> http://sourceforge.net/projects/ghc/. 
> 
> So here is my bugreport. My GHC Version is 6.4. My system is Gentoo
> Linux running on an x86. Hope that helps.

This is a known bug, caused by trying to use a class name as a type name.  The fix will be in 6.4.1.

Cheers,
	Simon