[ruby-dev:49953] [Ruby trunk Bug#13049] Backport r57108 (sprintf.c: fix width underflow)

Issue #13049 has been updated by Tomoyuki Chikanaga.

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

backported into ruby_2_3 at r57340.

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Bug #13049: Backport r57108 (sprintf.c: fix width underflow)
https://bugs.ruby-lang.org/issues/13049#change-62495

* Author: Tomoyuki Chikanaga
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: -
* Backport: 2.1: UNKNOWN, 2.2: DONE, 2.3: DONE
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