Issue #12503 has been updated by Usaku NAKAMURA.

Backport changed from 2.1: REQUIRED, 2.2: REQUIRED, 2.3: DONE to 2.1: REQUIRED, 2.2: DONE, 2.3: DONE

ruby_2_2 r55872 merged revision(s) 55427.

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Bug #12503: Backport r55427 (fix heap overflow in tr_trans)
https://bugs.ruby-lang.org/issues/12503#change-60070

* Author: Tomoyuki Chikanaga
* Status: Closed
* Priority: Normal
* Assignee: 
* ruby -v: -
* Backport: 2.1: REQUIRED, 2.2: DONE, 2.3: DONE
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バックポート管理用チケットです。



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