jruby/jruby — pull request #1666 by godfat (2014-04-26 19:22:40+00:00)
Title: Fix #1664 for Hash#compare_by_identity and Hash#store

https://github.com/jruby/jruby/issues/1664

Test in RubySpec:
https://github.com/rubyspec/rubyspec/pull/274