patch applied (ghc): Changing internal data structures used by Hpc

[Simon Marlow]

Andy Gill wrote:
> Mon Apr 30 15:59:15 PDT 2007  andy at galois.com
>   * Changing internal data structures used by Hpc
>   
>    - .tix files are now a list of MixModule, which contain a hash of the contents of the .mix file.
>    - .mix files now have (the same) hash number.
>   
>   This changes allow different binaries that use the same module compiled in the same way
>   to share coverage information.

Hi Andy - I've made lots of changes to Coverage.lhs recently (as you probably 
saw) in relation to the GHCi debugger.  I've been meaning to get around to 
checking that HPC still works properly.  Have you noticed any problems?  Any 
recommendations on how best to test it?

Cheers,
	Simon