Issue #13651 has been updated by usa (Usaku NAKAMURA).

Backport changed from 2.2: REQUIRED, 2.3: REQUIRED, 2.4: DONE to 2.2: REQUIRED, 2.3: DONE, 2.4: DONE

ruby_2_3 r59230 merged revision(s) 55324,55325.

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Bug #13651: backport r55324
https://bugs.ruby-lang.org/issues/13651#change-65587

* Author: usa (Usaku NAKAMURA)
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: -
* Backport: 2.2: REQUIRED, 2.3: DONE, 2.4: DONE
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バックポート管理用チケットです。



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