Write barrier for storing a code entry, and usage in CompileLazy builtin.

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 49778a1ebc23700ca926e4e3714a50270fe3284a..7a53462f7c69c4b4a65304eef513be9b9a9ae8e3 100644
--- a/src/heap/incremental-marking.h
+++ b/src/heap/incremental-marking.h
@@ -154,6 +154,9 @@ class IncrementalMarking {
   static void RecordWriteFromCode(HeapObject* obj, Object** slot,
                                   Isolate* isolate);
 
+  static void RecordWriteOfCodeEntryFromCode(JSFunction* host, Object** slot,
+                                             Isolate* isolate);
+
   // Record a slot for compaction.  Returns false for objects that are
   // guaranteed to be rescanned or not guaranteed to survive.
   //