Issue #10496 has been updated by _ wanabe.
Backport set to 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
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Bug #10496: Yaml: Serialization of cross-referrenced objects with psych
https://bugs.ruby-lang.org/issues/10496#change-51531
* Author: Ivan Neverov
* Status: Closed
* Priority: Normal
* Assignee: Aaron Patterson
* ruby -v: 2.1.3p242, 1.9.3p550
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN