Thread#kill works as a script but not in irb

thread_kill.rb

t = Thread.new { kill }
puts t.inspect

# irb eval's code. but then this works as a script but does not work in irb  
# eval "t = Thread.new { kill }; puts t.inspect"

__END__

runs successfully when run as a script ie. ruby <filename>
#<Thread:0x1dc5090 dead>

But running it on irb gives an error
> load '/tmp/baz.rb'
=> #<Thread:0x2813678 dead>
 IRB::NoSuchJob: No such job(#<Thread:0x243e278>).
	from :0