pub fn run_pending_finalizers(state: &mut LuaState)Expand description
Phase-B __gc driver.
Scans pending_finalizers for tables whose only strong ref is the list
itself (Rc::strong_count == 1), runs their __gc metamethod in a
protected call, then drops the list’s pin so the table can be freed.
Iterates in reverse so the most-recently registered finalizers run first,
matching C-Lua’s order (finobj is a LIFO stack).
PORT NOTE: This stands in for C-Lua’s GCSatomic finalizer-promotion step
plus GCTM. The real GC walks the heap to decide which finobj entries
are unreachable; in Phase B we use the Rc strong-count as the proxy.
Replaced by lua_gc::run_pending_finalizers when Phase D’s incremental
GC lands.