src/hotspot/share/gc/shared/scavengableNMethods.cpp

@@ -253,10 +253,11 @@
 
   nmethod* last = NULL;
   nmethod* cur = _head;
   while (cur != NULL) {
     nmethod* next = gc_data(cur).next();
+    debug_only(gc_data(cur).clear_marked());
     assert(gc_data(cur).on_list(), "else shouldn't be on this list");
 
     if (!cur->is_zombie() && !cur->is_unloaded() && has_scavengable_oops(cur)) {
       // Keep it.  Advance 'last' to prevent deletion.
       last = cur;