[ruby-cvs:56447] naruse:r49297 (ruby_2_2): merge revision(s) 49182, 49183: [Backport #10706]

[naruse at ruby-lang.org]

naruse	2015-01-17 16:36:38 +0900 (Sat, 17 Jan 2015)

  New Revision: 49297

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=49297

  Log:
    merge revision(s) 49182,49183: [Backport #10706]
    
    vm_method.c: fix change refined new method visibility
    * vm_method.c (rb_export_method): bail out if the original method
      is undefined when the method is refined.
      [ruby-core:67387] [Bug #10706]

  Modified directories:
    branches/ruby_2_2/
  Modified files:
    branches/ruby_2_2/ChangeLog
    branches/ruby_2_2/test/ruby/test_refinement.rb
    branches/ruby_2_2/version.h
    branches/ruby_2_2/vm_method.c