module containing GADTs no longer compiles in ghc 6.8.0

[Ian Lynagh]

Hi Daniel,

On Thu, Sep 27, 2007 at 07:45:58PM -0300, Daniel Gorín wrote:
> 
> After replacing them with case statements everything compiles fine.... as long 
> as I don't turn on -O2 optimizations :(
> 
> This boiled-down example illustrates my problem:

Thanks for the testcase! I've trac'ed it here:
http://hackage.haskell.org/trac/ghc/ticket/1746


Thanks
Ian