- Remember the fact that an object has been added to the

runtime/vm/raw_object.cc

Index: runtime/vm/raw_object.cc
===================================================================
--- runtime/vm/raw_object.cc	(revision 22083)
+++ runtime/vm/raw_object.cc	(working copy)
@@ -180,7 +180,7 @@
         break;
       }
       case kFreeListElement: {
-        ASSERT(FreeBit::decode(ptr()->tags_));
+        // ASSERT(FreeBit::decode(ptr()->tags_));
         uword addr = RawObject::ToAddr(const_cast<RawObject*>(this));
         FreeListElement* element = reinterpret_cast<FreeListElement*>(addr);
         instance_size = element->Size();
@@ -247,7 +247,7 @@
       }
 #undef RAW_VISITPOINTERS
       case kFreeListElement: {
-        ASSERT(FreeBit::decode(ptr()->tags_));
+        // ASSERT(FreeBit::decode(ptr()->tags_));
         uword addr = RawObject::ToAddr(const_cast<RawObject*>(this));
         FreeListElement* element = reinterpret_cast<FreeListElement*>(addr);
         size = element->Size();