rails/rails — pull request #3745 by jescalante (2011-11-24 14:50:42+00:00)
Title: Backporting a Ruby 1.9.3 fix for MissingSourceFile

I backported a Ruby 1.9.3 fix in MissingSourceFile from Rails master.
In Ruby 1.9.3 a new error message was added when the LoadFile exception is thrown; this was fixed in Rails Master but not in 2-3-stable, rendering 2-3-stable unusable with Ruby 1.9.3

This is the specific line from master: https://github.com/rails/rails/blob/master/activesupport/lib/active_support/core_ext/load_error.rb#L6