From: Joshua Ballanco <jballanc@...>
Date: 2011-11-03T06:19:19+09:00
Subject: [ruby-core:40682] [ruby-trunk - Bug #5542] Ruby 1.9.3-p0 changed arity on default initialization method


Issue #5542 has been updated by Joshua Ballanco.


This was introduced in r29638:


    * object.c: Make BasicObject.new accept no parameter.
      Revert of r26135 [ruby-core:27080], as per [ruby-core:32952].

Was this change in BasicObject.new intentional? If so, is it intentional that this behavior should be different than 1.9.2? If not can we have this back-ported?
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Bug #5542: Ruby 1.9.3-p0 changed arity on default initialization method
http://redmine.ruby-lang.org/issues/5542

Author: Joshua Ballanco
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.2.0]


The following code worked under 1.9.2-p290 but breaks with an Argument Error (1 for 0) under 1.9.3-p0:

    class Foo; end
    Foo.new(nil)

Furthermore, the reported arity for Object's initialize method has changed:

    ruby-1.9.2-p290 :001 > Object.instance_method(:initialize).arity
     => -1 

    ruby-1.9.3-p0 :001 > Object.instance_method(:initialize).arity
     => 0 



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