Specify the behavior for Integer before 2.6
Specify the behavior for Integer before 2.6

* See [Bug #14552].

nobu/rubyspec,ruby/spec,ruby/rubyspec,ruby/spec,nobu/rubyspec,eregon/rubyspec,nobu/rubyspec,ruby/rubyspec,ruby/spec,eregon/rubyspec,eregon/rubyspec