Issue #9900 has been updated by Nobuyoshi Nakada.

Duplicates Bug #9109: extend したモジュールメソッドと RSpec の let で 2 つ同名を使ったときに segmentation fault になる added

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Bug #9900: Segmentation fault with recursive reference of a hash
https://bugs.ruby-lang.org/issues/9900#change-47033

* Author: Tsuyoshi Sawada
* Status: Open
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
* ruby -v: ruby 2.1.2
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN
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The following code raises a segmentation fault.

    Hash.new{|h,k| h[k]}[:foo]
    # => [BUG] Segmentation fault at 0x007fff5f3fff80

This bug was found on stackoverflow http://stackoverflow.com/questions/24028557/irb-crash-segmentation-bug-and-ruby-syntax-clarification



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