update GHC versions used on travis
authorAlp Mestanogullari <alp@well-typed.com>
Tue, 9 Oct 2018 11:17:15 +0000 (13:17 +0200)
committerGitHub <noreply@github.com>
Tue, 9 Oct 2018 11:17:15 +0000 (13:17 +0200)
commit051564be1f98351dc7f2cdbd2390c9f0508f21bc
tree90f588b06efe333420984a6eb10ddc370f871879
parent5e432d4aa47fc4311276c4442e4542ba2febec5e
update GHC versions used on travis

I saw that (nightly) travis builds are failing because we now only support 8.4 or higher to boot a GHC HEAD build. I don't know how to achieve this for the OS X section though.
.travis.yml