| FYI: Some commit from yesterday broke the GHC HEAD: Thanks for reporting this.
As Manuel's message mentioned, we've just pushed a heart-lung transplant into the HEAD (if that is not too much of a mixed metaphor), so the head will be pretty unstable for a week or two. If you want everything to work, refrain from pulling for a while! (Or use the 6.6 branch.) Please do report failures though. Simon