[heap] Avoid the use of cells to point from code to new-space objects.

src/heap/incremental-marking.h

Index: src/heap/incremental-marking.h
diff --git a/src/heap/incremental-marking.h b/src/heap/incremental-marking.h
index 5f5a1deae781467544cc5d2db744ba433028a4fb..5a722d4f816389f9c0cccc4ba78f492ed73bbc67 100644
--- a/src/heap/incremental-marking.h
+++ b/src/heap/incremental-marking.h
@@ -174,6 +174,8 @@ class IncrementalMarking {
 
 
   void RecordWriteSlow(HeapObject* obj, Object** slot, Object* value);
+  void RecordWriteIntoCodeToNewSpaceSlow(Code* host, RelocInfo* rinfo,
+                                         Object* value);
   void RecordWriteIntoCodeSlow(Code* host, RelocInfo* rinfo, Object* value);
   void RecordWriteOfCodeEntrySlow(JSFunction* host, Object** slot, Code* value);
   void RecordCodeTargetPatch(Code* host, Address pc, HeapObject* value);