Exception#set_backtrace does not work (From Jira-5830)

[enebo]

Oldy but still not working.,,

def go
  raise 'yo'
end

begin
  go
rescue Exception => e
   e.set_backtrace ['a', 'b']
  raise e
end

$ ruby -v bad.rb
ruby 1.8.7 (2011-02-18 patchlevel 334) [i386-mingw32]
a: yo (RuntimeError)
        from b

$ jruby -v bad.rb
jruby 1.6.1 (ruby-1.8.7-p330) (2011-05-19 5790d31) (Java HotSpot(TM) Client VM 1.6.0_24) [Windows 7-x86-java]
RuntimeError: yo
      go at bad.rb:2
  (root) at bad.rb:6

[MSNexploder]

works in 9.1.9.0 and 1.7.21 🎉

irb(main):001:0> def go
irb(main):002:1>   raise 'yo'
irb(main):003:1> end
irb(main):004:0>
irb(main):005:0* begin
irb(main):006:1*     go
irb(main):007:1> rescue Exception => e
irb(main):008:1>    e.set_backtrace ['a', 'b']
irb(main):009:1>   raise e
irb(main):010:1> end
RuntimeError: yo
	from a
	from b

[enebo]

sweet!