Is 'Class.new(Class)' valid?

Ruby Development
1

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class … end e$B9=J8$G%/%i%9$rDj5A$9$k>l9g$Oe(B superclass e$B$Ke(B
Class e$B$r;XDj$9$k$HNc30$,H/@8$7$^$9$,!"e(BClass.new e$B%a%=%C%Ie(B
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irb-trunk --simple-prompt

class Hoge < Class
end
TypeError: can’t make subclass of Class
from (irb):1
from irb-trunk:12:in `’

Hoge = Class.new(Class)
=> Hoge

Hoge.superclass
=> Class

Hoge.new
TypeError: wrong instance allocation
from (irb):5:in new' from (irb):5 from irb-trunk:12:in’

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Index: class.c

— class.c (e$B%j%S%8%g%se(B 15828)
+++ class.c (e$B:n6H%3%T!<e(B)
@@ -53,6 +53,9 @@
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");

  • }
    }

VALUE
@@ -60,9 +63,6 @@
{
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);
    }