Thanks for the reply. I got cabal-install from
https://github.com/haskell/cabal/ and assumed it was the latest
version... but now that I look carefully I see it has a 2.0 branch. I
compiled it and I don't get that confusing "parse error" any more. It
looks like a nicer error message in general t
Hello everyone,
Note that the Harbormaster builders now bootstrap with GHC 8.2.1 and
LLVM 3.9. I'll be on the lookout for any failures but ping me if you see
Harbormaster fail to build your otherwise perfectly good patch.
Cheers,
- Ben
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> On Jul 27, 2017, at 8:01 AM, Simon Peyton Jones via ghc-devs
> wrote:
>
> I think Richard just forgot to update the commit message.
Indeed. Bah. I don't suppose there's a way of fixing that now. Sorry!
Richard
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| typecheck/should_fail/T7368) Solution: track the provenance of
| Derived constraints and refuse to float out a constraint that has
| an insoluble Derived.
For the record, that's not the solution that the patch implements. Instead we
just don’t float heterogeneous equalities.
I
