commit 5bff473e8607116d248b3f6501aaf41c97a6b3fd
author Aleksei.Glushko <aleksei.glushko@jetbrains.com> Fri Aug 04 15:44:14 2023 +0200
committer Aleksei.Glushko <aleksei.glushko@jetbrains.com> Wed Aug 16 19:30:10 2023 +0200
tree 79a71aade2bba006cb9ecee4f8c0d797ed746b33
parent 1c3dcff2fa1cceb02461f27233625088958b772c

wip: do not enqueue empty objects

kotlin-native/runtime/src/gc/cms/cpp/ParallelMark.hpp

diff --git a/kotlin-native/runtime/src/gc/cms/cpp/ParallelMark.hpp b/kotlin-native/runtime/src/gc/cms/cpp/ParallelMark.hpp
index b9af474..9739731 100644
--- a/kotlin-native/runtime/src/gc/cms/cpp/ParallelMark.hpp
+++ b/kotlin-native/runtime/src/gc/cms/cpp/ParallelMark.hpp
@@ -92,6 +92,10 @@
         }
 
         static ALWAYS_INLINE bool tryEnqueue(MarkQueue& queue, ObjHeader* object) noexcept {
+            auto refFieldsCount = object->type_info()->objOffsetsCount_;
+            if (refFieldsCount == 0) {
+                return tryMark(object);
+            }
             auto& objectData = objectDataForObject(object);
             return compiler::gcMarkSingleThreaded() ? queue.tryPushLocal(objectData) : queue.tryPush(objectData);
         }