merge revision(s) 22679:

	* class.c (rb_singleton_class_clone): Qnil must be used for a null
	  class reference when we use NIL_P() to check class reference
	  validity.  The bug was exposed by the spec test of Sequel.
	* eval.c (ruby_init): Use NEW_CREF().


git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8_7@24843 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Fri Sep 11 11:56:53 2009  Akinori MUSHA  <knu@iDaemons.org>
+
+	* class.c (rb_singleton_class_clone): Qnil must be used for a null
+	  class reference when we use NIL_P() to check class reference
+	  validity.  The bug was exposed by the spec test of Sequel.
+
+	* eval.c (ruby_init): Use NEW_CREF().
+
 Thu Sep 10 10:53:03 2009  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* io.c (rb_sysopen): workaround for MSVCRT's bug.

class.c

@@ -153,7 +153,7 @@ rb_singleton_class_clone(obj)
 		data.klass = obj;
 		break;
 	      default:
-		data.klass = 0;
+		data.klass = Qnil;
 		break;
 	    }
 

eval.c

@@ -1410,7 +1410,7 @@ ruby_init()
 	rb_call_inits();
 	ruby_class = rb_cObject;
 	ruby_frame->self = ruby_top_self;
-	ruby_top_cref = rb_node_newnode(NODE_CREF,rb_cObject,0,0);
+	ruby_top_cref = NEW_CREF(rb_cObject, 0);
 	ruby_cref = ruby_top_cref;
 	rb_define_global_const("TOPLEVEL_BINDING", rb_f_binding(ruby_top_self));
 #ifdef __MACOS__

version.h

@@ -1,15 +1,15 @@
 #define RUBY_VERSION "1.8.7"
-#define RUBY_RELEASE_DATE "2009-09-10"
+#define RUBY_RELEASE_DATE "2009-09-11"
 #define RUBY_VERSION_CODE 187
-#define RUBY_RELEASE_CODE 20090910
-#define RUBY_PATCHLEVEL 201
+#define RUBY_RELEASE_CODE 20090911
+#define RUBY_PATCHLEVEL 202
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 7
 #define RUBY_RELEASE_YEAR 2009
 #define RUBY_RELEASE_MONTH 9
-#define RUBY_RELEASE_DAY 10
+#define RUBY_RELEASE_DAY 11
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];