These should imo all be on the issue tracker. AFAIU most of these commits where supposed to speed up type inference.
On Thursday, March 24, 2016 at 12:46:07 PM UTC+1, Bill Hart wrote: > > I'm sorry, please ignore that merge commit. I think that git bisect > screwed up due to the fact that there are in fact a couple of major > regressions in the range I was bisecting. > > The first of these is at the following commit: > > 8f4238a do type-inference using a work queue > > It's about a 35% regression. > > There are still at least two regressions to track down. > > Bill. >