From ab6efa5be2f5a2fb1b5a05a90f398b27ea52617a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 8 Jan 2014 06:55:24 +0000
Subject: object.c: hash value from objid with salt

* hash.c (rb_objid_hash): return hash value from object ID with a
  salt, extract from rb_any_hash().
* object.c (rb_obj_hash): return same value as rb_any_hash().
  fix r44125.  [ruby-core:59638] [Bug #9381]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44525 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_hash.rb | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_hash.rb b/test/ruby/test_hash.rb
index 70c04424db..3861fde0a4 100644
--- a/test/ruby/test_hash.rb
+++ b/test/ruby/test_hash.rb
@@ -1215,6 +1215,27 @@ class TestHash < Test::Unit::TestCase
     assert_no_memory_leak([], prepare, code, bug9187)
   end
 
+  def test_wrapper_of_special_const
+    bug9381 = '[ruby-core:59638] [Bug #9381]'
+
+    wrapper = Class.new do
+      def initialize(obj)
+        @obj = obj
+      end
+
+      def hash
+        @obj.hash
+      end
+
+      def eql?(other)
+        @obj.eql?(other)
+      end
+    end
+
+    hash = {5 => bug9381}
+    assert_equal(bug9381, hash[wrapper.new(5)])
+  end
+
   class TestSubHash < TestHash
     class SubHash < Hash
       def reject(*)
-- 
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