* class.c (rb_class_new): move class check to rb_check_inheritable().

* class.c (rb_check_inheritable): should not allow subclass of
  class Class.  [ruby-core:26225]

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@25449 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 11 insertions, 5 deletions

diff --git a/ChangeLog b/ChangeLog
index cdb8245c8..6e829ade4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,13 @@ Sat Oct 24 00:36:47 2009  Tanaka Akira  <akr@fsij.org>
 	* io.c (io_cntl): update max file descriptor by the result of
 	  fcntl(F_DUPFD).
 
+Fri Oct 23 16:31:14 2009  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* class.c (rb_class_new): move class check to rb_check_inheritable().
+
+	* class.c (rb_check_inheritable): should not allow subclass of
+	  class Class.  [ruby-core:26225]
+
 Fri Oct 23 14:25:54 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (target, target_alias): replace with real cpu.
diff --git a/class.c b/class.c
index f8407ca77..351f7aeb3 100644
--- a/class.c
+++ b/class.c
@@ -97,6 +97,9 @@ rb_check_inheritable(VALUE super)
     if (RBASIC(super)->flags & FL_SINGLETON) {
 	rb_raise(rb_eTypeError, "can't make subclass of singleton class");
     }
+    if (super == rb_cClass) {
+	rb_raise(rb_eTypeError, "can't make subclass of Class");
+    }
 }
 
 
@@ -111,9 +114,6 @@ rb_class_new(VALUE super)
 {
     Check_Type(super, T_CLASS);
     rb_check_inheritable(super);
-    if (super == rb_cClass) {
-	rb_raise(rb_eTypeError, "can't make subclass of Class");
-    }
     return rb_class_boot(super);
 }
 
diff --git a/test/ruby/test_class.rb b/test/ruby/test_class.rb
index 8fe127231..a1f087ad6 100644
--- a/test/ruby/test_class.rb
+++ b/test/ruby/test_class.rb
@@ -170,8 +170,7 @@ class TestClass < Test::Unit::TestCase
     o = Object.new
     c = class << o; self; end
     assert_raise(TypeError) { Class.new(c) }
-
-    assert_nothing_raised { Class.new(Class) } # is it OK?
+    assert_raise(TypeError) { Class.new(Class) }
     assert_raise(TypeError) { eval("class Foo < Class; end") }
   end