Issue #9466 has been updated by Tomoyuki Chikanaga. Subject changed from backport r44758 and r44759 (preserve class name/method name encoding error messages.) to backport r44758, r44759 and r44760 (preserve class name/method name encoding error messages.) add r44760. It contains a slight incompatibility in messages of NotImplementedError with broken object, but it's quite internal of interpreter. I think it's acceptable to backport it. ---------------------------------------- Backport #9466: backport r44758, r44759 and r44760 (preserve class name/method name encoding error messages.) https://bugs.ruby-lang.org/issues/9466#change-44836 * Author: Tomoyuki Chikanaga * Status: Assigned * Priority: Normal * Assignee: Tomoyuki Chikanaga * Category: * Target version: * ruby -v: 2.0.0-p353 ---------------------------------------- I didn't confirm it is required on 2_0_0 yet. Just for memorandum. -- http://bugs.ruby-lang.org/