src/hotspot/share/gc/serial/markSweep.inline.hpp

@@ -48,10 +48,12 @@
 
 template <class T> inline void MarkSweep::mark_and_push(T* p) {
   T heap_oop = RawAccess<>::oop_load(p);
   if (!CompressedOops::is_null(heap_oop)) {
     oop obj = CompressedOops::decode_not_null(heap_oop);
+    assert_object_is_in_heap(p, obj);
+
     if (!obj->mark_raw().is_marked()) {
       mark_object(obj);
       _marking_stack.push(obj);
     }
   }