mruby/mruby — pull request #190 by pbosetti (2012-05-24 00:01:28+00:00)
Title: changed &= shortcut to extended counterpart in test/t/math.rb 

This is to solve issue #186.
It is just a trick, though, because it means that the &= operator has been broken. @matz, could you confirm?
Actually, this code raises an error:
````
a = true
b = false
b &= a
#
````