Bug#865711: haskell-yaml: FTBFS everywhere (except all)

[Clint Adams]

On Sat, Jun 24, 2017 at 03:34:35AM +0100, James Clarke wrote:
> Hi,
> haskell-yaml FTBFS on every architecture (except all) due to testsuite
> failures:
> 
> > Failures:
> >
> >   test/Data/YamlSpec.hs:440:
> >   1) Data.Yaml.Data.Yaml encode invalid numbers
> >        expected: ".\n"
> >         but got: ".\n...\n"
> >
> >   test/Data/YamlSpec.hs:458:
> >   2) Data.Yaml.numbers integers have no decimals
> >        expected: "1\n"
> >         but got: "1\n...\n"
> >
> > Randomized with seed 1628861893

I don't know what we should do here.  The behavior of the embedded
libyaml differs from our libyaml and I'm not sure why, but it appears
to be on purpose.