Issue #11637 has been reported by 西行寺 うゆ.

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Bug #11637: SEGV
https://bugs.ruby-lang.org/issues/11637

* Author: 西行寺 うゆ
* Status: Open
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.2.3p173 (2015-08-18 revision 51636) [x64-mingw32]
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
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ARGV << nil 
ARGF.each{} 

SEGVでます



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