From: "Hanmac (Hans Mackowiak)" <hanmac@...>
Date: 2013-11-26T18:58:24+09:00
Subject: [ruby-core:58602] [ruby-trunk - Bug #9151] Segfault in Ruby head


Issue #9151 has been updated by Hanmac (Hans Mackowiak).


its a similar error to #9003

p a.hash # raises Stack Error
p b.hash # Segmentation fault: 11


happens for:
ruby 2.1.0dev (2013-11-26 trunk 43854) [x86_64-darwin12.0]

does not happen for:
ruby 2.1.0dev (2013-09-22 trunk 43011) [i686-linux]
----------------------------------------
Bug #9151: Segfault in Ruby head
https://bugs.ruby-lang.org/issues/9151#change-43170

Author: sam.saffron (Sam Saffron)
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby-head
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


Following code causes a segfault in ruby head on x64:


class A
  attr_accessor :b

  def hash
    [b,""].hash
  end
end

class B
  attr_accessor :a

  def hash
    [a,""].hash
  end
end

a = A.new
b = B.new
a.b = b
b.a = a

p a.hash
p b.hash

p [a,"hello"].hash == [b,"world"].hash







-- 
http://bugs.ruby-lang.org/