error in 7.10.1 ?

[Sergei Meshveliani]

Now, I am investigating this, trying to provide a simpler report.
Most probably this is the effect of a wrong instance overlap resolving.

Regards,

------
Sergei




On Fri, 2015-05-22 at 15:26 +0400, Sergei Meshveliani wrote:
> Dear GHC developers,
> 
> The confirmation token letter from the bug tracker travels too long,
> I do not know, why.
> Meanwhile I cannot report there.
> So, I report it in the below way: 
> 
> 
> http://www.botik.ru/pub/local/Mechveliani/ghcQuest/7.10.1-errReport-may22-2015.zip
> 
> 
> Make it, please, with  ghc-7.10.1   as it is written there in
> install.txt,
> including making   demotest/Main.
> Then
>          ./Main
> 
> breaks in the middle reporting a DoCon application error
> 
> [..]