merge revision(s) 44512: [Backport #9340]
* array.c (ary_add_hash): Fix consistency issue between Array#uniq and Array#uniq! [Bug #9340] [ruby-core:59457] * test/ruby/test_array.rb (class TestArray): regression test for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@44839 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 44512: [Backport #9340]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@44839 b2dd03c8-39d4-4d8f-98ff-823fe69b080e