This method is deprecated or moved on the latest stable version. The last existing version (v3.2.13) is shown here.
yaml_initialize(tag, coder)
Hackery to accomodate Syck. Remove for 4.0.
# File activerecord/lib/active_record/base.rb, line 667 def yaml_initialize(tag, coder) #:nodoc: init_with(coder) end