On Fri, Oct 11, 2013 at 7:17 PM, Mark Lentczner wrote:

Do I read Bryan's post correctly, that 20% of packages on hackage fail to compile with GHC 7.8?

There are currently 5615 packages on Hackage. Of those, 3443 built successfully with 7.6.3 on my test machine yesterday, so let's call that the baseline. And of the 3443 that compile with 7.6.3, 1262 (37%) *fail* to compile with HEAD. You can find the complete list of regressing packages here: http://lpaste.net/94214