diff options
Diffstat (limited to 'class.c')
-rw-r--r-- | class.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -180,6 +180,9 @@ rb_mod_init_copy(VALUE clone, VALUE orig) VALUE rb_class_init_copy(VALUE clone, VALUE orig) { + if (orig == rb_cBasicObject) { + rb_raise(rb_eTypeError, "can't copy the root class"); + } if (RCLASS_SUPER(clone) != 0 || clone == rb_cBasicObject) { rb_raise(rb_eTypeError, "already initialized class"); } |