Issue #5542 has been updated by Motohiro KOSAKI.

Category set to core
Status changed from Open to Assigned
Assignee set to Marc-Andre Lafortune
Target version set to 1.9.3


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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: Assigned
Priority: Normal
Assignee: Marc-Andre Lafortune
Category: core
Target version: 1.9.3
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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