Move code from Parrot_gc_trace_children() to mark_special(). This obsoletes the next_for_GC linked list.
Move code from Parrot_gc_trace_children() to mark_special().
This obsoletes the next_for_GC linked list.



git-svn-id: 35c601312f26119c3eabf2dc9b37ea00129c6003@41490 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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