Move attached_object into rb_classext_struct
attached_object
rb_classext_struct
Given that signleton classes don't have an allocator, we can re-use these bytes to store the attached object in rb_classext_struct without making it larger.
Move
attached_object
intorb_classext_struct
Given that signleton classes don't have an allocator,
we can re-use these bytes to store the attached object
in
rb_classext_struct
without making it larger.