xo-alloc2: bugfix for DX1CollectorIterator

2025-12-17 21:02:30 -05:00 · 2025-12-17 21:02:30 -05:00 · 85204e9847
commit 85204e9847
parent bf27314688
6 changed files with 73 additions and 5 deletions
--- a/src/alloc2/DX1Collector.cpp
+++ b/src/alloc2/DX1Collector.cpp
@ -238,11 +238,21 @@ namespace xo {
        DX1Collector::end() const noexcept {
            generation gen_hi = generation{config_.n_generation_};

+            /** valid iterator for end points to end of last DArena.
+             *  otherwise will interfere with working compare
+             *  (since invalid iterators are incomparable)
+             **/
+
+            const DArena * arena
+                = get_space(role::to_space(),
+                            generation(config_.n_generation_ - 1));
+            DArenaIterator arena_end = arena->end();
+
            return DX1CollectorIterator(this,
                                        gen_hi,
                                        gen_hi,
-                                        DArenaIterator(),
-                                        DArenaIterator());
+                                        arena_end,
+                                        arena_end);
        }

        void