Re: [ANNOUNCE] GHC 8.2.1 release candidate 2

2017-05-19 Thread Alberto Valverde
Hi, I'm trying to build an app with the new release candidate and I'm running into a couple of issues, some which I can fix or workaround, some are worrisome and others are blocking me. I'm using Nix, if that matters. The fixable --- - The expected too strict version bounds. Worked

Re: 8.2.1-rc2 upgrade report

2017-06-08 Thread Alberto Valverde
te form, > which at least sometimes shows where the big changes are. > > > > Simon > > > > *From:* Glasgow-haskell-users [mailto:glasgow-haskell-users- > boun...@haskell.org] *On Behalf Of *Alberto Valverde > *Sent:* 06 June 2017 12:39 > *To:* GHC users <gla

8.2.1-rc2 upgrade report

2017-06-06 Thread Alberto Valverde
Hi, I've finally managed to upgrade all the dependencies of the proprietary app I mentioned some days ago in this list and there are good and bad differences I've noticed between 8.0.2 that I'd like to share. The bad --- * An optimized cold build (-O2) is about 3 times slower (~53s vs.