* lib/delegate.rb (Delegator#initialize_copy): use initialize_copy

  instead of overriding clone/dup.  [ruby-dev:40221]
  it now always clones the target, it might cause incompatibility.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26462 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 9 insertions, 11 deletions

diff --git a/ChangeLog b/ChangeLog
index bf27476c47..058489a49b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Fri Jan 29 01:42:24 2010  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* lib/delegate.rb (Delegator#initialize_copy): use initialize_copy
+	  instead of overriding clone/dup.  [ruby-dev:40221]
+	  it now always clones the target, it might cause incompatibility.
+
 Fri Jan 29 01:26:53 2010  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* ext/bigdecimal/bigdecimal.c (BigDecimal_to_i): update RDoc to
diff --git a/lib/delegate.rb b/lib/delegate.rb
index 1516dacb15..849cad58a8 100644
--- a/lib/delegate.rb
+++ b/lib/delegate.rb
@@ -201,17 +201,9 @@ class Delegator
     end
   end
 
-  # Clone support for the object returned by \_\_getobj\_\_.
-  def clone
-    new = super
-    new.__setobj__(__getobj__.clone)
-    new
-  end
-  # Duplication support for the object returned by \_\_getobj\_\_.
-  def dup
-    new = super
-    new.__setobj__(__getobj__.dup)
-    new
+  # clone/dup support for the object returned by \_\_getobj\_\_.
+  def initialize_copy(other)
+    self.__setobj__(other.__getobj__.clone)
   end
 
   # Freeze self and target at once.