3 files changed, 9 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index 289dcb419c..d9dec56b99 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Jun  8 06:08:26 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* eval.c (rb_define_alloc_func, rb_undef_alloc_func): should
+	  define/undef on a signleton class.  [ruby-core:09959]
+
 Sun Jun  8 06:04:41 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* time.c (time_arg): use converted object.  [ruby-core:14759]
diff --git a/eval.c b/eval.c
index e2b822e3cf..fa3ab58d1c 100644
--- a/eval.c
+++ b/eval.c
@@ -453,7 +453,8 @@ rb_define_alloc_func(klass, func)
     VALUE (*func) _((VALUE));
 {
     Check_Type(klass, T_CLASS);
-    rb_add_method(CLASS_OF(klass), ID_ALLOCATOR, NEW_CFUNC(func, 0), NOEX_PRIVATE);
+    rb_add_method(rb_singleton_class(klass), ID_ALLOCATOR, NEW_CFUNC(func, 0),
+		  NOEX_PRIVATE);
 }
 
 void
@@ -461,7 +462,7 @@ rb_undef_alloc_func(klass)
     VALUE klass;
 {
     Check_Type(klass, T_CLASS);
-    rb_add_method(CLASS_OF(klass), ID_ALLOCATOR, 0, NOEX_UNDEF);
+    rb_add_method(rb_singleton_class(klass), ID_ALLOCATOR, 0, NOEX_UNDEF);
 }
 
 static NODE*
diff --git a/version.h b/version.h
index 8525779176..0f1bd72f4a 100644
--- a/version.h
+++ b/version.h
@@ -2,7 +2,7 @@
 #define RUBY_RELEASE_DATE "2008-06-08"
 #define RUBY_VERSION_CODE 186
 #define RUBY_RELEASE_CODE 20080608
-#define RUBY_PATCHLEVEL 165
+#define RUBY_PATCHLEVEL 166
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8