Range with float min max discrepancy

on Ruby 1.9:

$ irb
1.9.3-p194 :001 > (1.0..2.0).min
=> 1.0

On JRuby:

$ irb
jruby-1.6.7.2 :002 > (1.0..2.0).min
TypeError: can't iterate from Float
from org/jruby/RubyRange.java:411:in `each'
from org/jruby/RubyEnumerable.java:1103:in `min'
from (irb):2:in `evaluate'
from org/jruby/RubyKernel.java:1083:in `eval'
from /home/tallakt/.rvm/rubies/jruby-1.6.7.2/lib/ruby/1.8/irb.rb:158:in `eval_input'
from /home/tallakt/.rvm/rubies/jruby-1.6.7.2/lib/ruby/1.8/irb.rb:271:in `signal_status'
from /home/tallakt/.rvm/rubies/jruby-1.6.7.2/lib/ruby/1.8/irb.rb:155:in `eval_input'
from org/jruby/RubyKernel.java:1410:in `loop'
from org/jruby/RubyKernel.java:1183:in `catch'
from /home/tallakt/.rvm/rubies/jruby-1.6.7.2/lib/ruby/1.8/irb.rb:154:in `eval_input'
from /home/tallakt/.rvm/rubies/jruby-1.6.7.2/lib/ruby/1.8/irb.rb:71:in `start'
from org/jruby/RubyKernel.java:1183:in `catch'
from /home/tallakt/.rvm/rubies/jruby-1.6.7.2/lib/ruby/1.8/irb.rb:70:in `start'
from /home/tallakt/.rvm/rubies/jruby-1.6.7.2/bin/irb:17:in `(root)'