rails/rails — pull request #4793 by kennyj (2012-01-31 15:08:50+00:00)
Title: [3-2-stable] Fix GH #4760. A Block was not evaluated.

It seems that 3-2-stable's TaggedLogging#debug (info, and so on) don't evaluate block, because the 2nd argument of Logger#add is not never nil.

Please see also https://github.com/rails/rails/issues/4760

This issue is found in only 3-2-stable.