rails/rails — comment on commit 98fb94fa44de0a0115f8629f8a5f4b739afedcae
File:  line 0
By jaylevitt:

Wait, whiny nils themselves are being deprecated? I thought it was only the "smart" additional whiners (e.g. ActiveRecord) that caused the 1.9 performance problem. Removing fail-fast code like whiny nils seems like a bad idea.