gistfile1.txt

gabriel@last:~$ ruby /tmp/test.rb 
blam!: stack level too deep
and the lord wept
gabriel@last:~$ cat /tmp/test.rb 
#!/usr/bin/env ruby
var_list = (0...140000).map{ |i| "var_#{i}" }.join(", ")

var_list_2 = (0...130000).map{ |i| "var_#{i}" }.join(", ")

eval <<-EOCRAZINESS
def blam(#{var_list})
  puts "and the lord wept"
end

def blam2(#{var_list_2})
  puts "and the lord wept"
end
EOCRAZINESS

begin
  blam(*(0...140000))
rescue SystemStackError => e
  puts "blam!: #{e}"
end

blam2(*(0...130000))
gabriel@last:~$