[pdd15] Classes should modify a clone of the Class PMC's vtable, not the main vtable directly.
[pdd15] Classes should modify a clone of the Class PMC's vtable, not the main
vtable directly.


git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@19435 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot