1. 2012-12-30 [ruby-core:51198] [ruby-trunk - Bug #6038] #instance_ ruby-core Nobuyoshi Nakada 2. 2012-12-07 [ruby-core:50654] [ruby-trunk - Bug #6038] #instance_ ruby-core Nobuyoshi Nakada 3. 2012-02-16 [ruby-core:42694] [ruby-trunk - Bug #6038] #instance_ ruby-core Marc-Andre Lafortu