mruby/mruby — pull request #530 by skandhas (2012-11-06 02:50:42+00:00)
Title: The output of Object#instance_variables contains instance variables and ...

Example:
```ruby
class One
@ivar = 1
@@var1 = 1
end

p One.instance_variables
```

ruby 1.9.x output:
```ruby
[:@ivar]
```

mruby output:
```ruby
[:@@var1, :@ivar]
```