rails/rails — pull request #17824 by yuki24 (2014-11-28 20:48:40+00:00)
Title: AR::RecordNotSaved & RecordNotDestroyed from save!/destroy! should include an error message

When calling `AR::Base.save!` or `AR::Base.destroy!` and raising one of the exceptions, give a meaningful error message so that people can easily understand why it's failing to save/destroy.

cc @arthurnn @rafaelfranca