[ruby-cvs:52271] naruse:r45126 (ruby_2_1): merge revision(s) 45057, 45059: [Backport #9533]

[naruse at ruby-lang.org]

naruse	2014-02-22 18:24:49 +0900 (Sat, 22 Feb 2014)

  New Revision: 45126

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=45126

  Log:
    merge revision(s) 45057,45059: [Backport #9533]
    
    * hash.c (rb_hash_flatten): fix behavior of flatten(-1).
      [ruby-dev:47988] [Bug #9533]
    
    * test/ruby/test_array.rb: test for above.

  Modified directories:
    branches/ruby_2_1/
  Modified files:
    branches/ruby_2_1/ChangeLog
    branches/ruby_2_1/hash.c
    branches/ruby_2_1/test/ruby/test_hash.rb
    branches/ruby_2_1/version.h