rails/rails — pull request #12710 by robin850 (2013-10-31 10:46:13+00:00)
Title: Require bigdecimal before monkey-patching it

Hello,

If we try to monkey-patch the class before requiring it, then a "superclass mismatch" (`TypeError`) error is raised and the build can't run correctly.

Fixes #12708.

Have a nice day.