Hi,

Dave Thomas wrote:
> But the profile library is distributed with 1.9, and it doesn't work because of this change. I think that counts as a bug, not a feature. If it isn't a bug in the interpreter, then surely the library has to be adapted to work or removed from the standard distribution.

I have misunderstood.  I thought your point is "Fixnum#+ is not 
appeared".  But your point is "There isn't Object#ackerman on a 
profile result", isn't it?

Former is a feature.  Latter is a bug.

-- 
// SASADA Koichi at atdot dot net