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

src/heap/incremental-marking.cc

Index: src/heap/incremental-marking.cc
diff --git a/src/heap/incremental-marking.cc b/src/heap/incremental-marking.cc
index 35b8508472ad2ed8b2fbbf5d06910c3d74228761..67165fd73c1c0b706a367defbfdc7f58aa3c1be8 100644
--- a/src/heap/incremental-marking.cc
+++ b/src/heap/incremental-marking.cc
@@ -132,6 +132,13 @@ void IncrementalMarking::RecordWriteOfCodeEntrySlow(JSFunction* host,
   }
 }
 
+void IncrementalMarking::RecordWriteIntoCodeToNewSpaceSlow(Code* host,
+                                                           RelocInfo* rinfo,
+                                                           Object* value) {
+  heap()->mark_compact_collector()->RecordRelocSlotToNewSpace(host, rinfo,
+                                                              value);
+}
+
 void IncrementalMarking::RecordWriteIntoCodeSlow(Code* host, RelocInfo* rinfo,
                                                  Object* value) {
   if (BaseRecordWrite(host, value)) {