* ext/psych/lib/psych/visitors/to_ruby.rb: fix parsing hashes with

instance variables when it is referenced multiple times.
* ext/psych/lib/psych.rb: bump version
* ext/psych/psych.gemspec: bump version
* test/psych/test_hash.rb: test for fix

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49432 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Thu Jan 29 02:34:27 2015  Aaron Patterson <aaron@tenderlovemaking.com>
+
+	* ext/psych/lib/psych/visitors/to_ruby.rb: fix parsing hashes with
+	  instance variables when it is referenced multiple times.
+	* ext/psych/lib/psych.rb: bump version
+	* ext/psych/psych.gemspec: bump version
+	* test/psych/test_hash.rb: test for fix
+
 Thu Jan 29 02:06:09 2015  Eric Wong  <e@80x24.org>
 
 	* thread.c (struct join_arg): restructure and make smaller

ext/psych/lib/psych.rb

@@ -217,7 +217,7 @@ require 'psych/class_loader'
 
 module Psych
   # The version is Psych you're using
-  VERSION         = '2.0.10'
+  VERSION         = '2.0.12'
 
   # The version of libyaml Psych is using
   LIBYAML_VERSION = Psych.libyaml_version.join '.'

ext/psych/lib/psych/visitors/to_ruby.rb

@@ -263,6 +263,7 @@ module Psych
 
         when /^!ruby\/hash-with-ivars(?::(.*))?$/
           hash = $1 ? resolve_class($1).allocate : {}
+          register o, hash
           o.children.each_slice(2) do |key, value|
             case key.value
             when 'elements'

ext/psych/psych.gemspec

@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |s|
   s.name = "psych"
-  s.version = "2.0.10"
+  s.version = "2.0.12"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.require_paths = ["lib"]

test/psych/test_hash.rb

@@ -23,6 +23,13 @@ module Psych
       @hash = { :a => 'b' }
     end
 
+    def test_referenced_hash_with_ivar
+      a = [1,2,3,4,5]
+      t1 = [HashWithCustomInit.new(a)]
+      t1 << t1.first
+      assert_cycle t1
+    end
+
     def test_custom_initialized
       a = [1,2,3,4,5]
       t1 = HashWithCustomInit.new(a)