From: Yukihiro Matsumoto Date: 2011-02-24T23:27:53+09:00 Subject: [ruby-core:35371] Re: [Ruby 1.9 - Bug #4438] [Open] rescue args type check omitted Hi, In message "Re: [ruby-core:35364] [Ruby 1.9 - Bug #4438] [Open] rescue args type check omitted" on Thu, 24 Feb 2011 19:07:03 +0900, Hiroshi NAKAMURA writes: |Rescue arg must be class or module in 1.8. 1.9 looks to ignore when it's not a class or module. |Is this expected behavior? No, it should check as 1.8 does. matz.