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

src/assembler.h

Index: src/assembler.h
diff --git a/src/assembler.h b/src/assembler.h
index e65209b0fe773c84620226e73040e0bcbedd31ac..d754fdf3d81fc079b2c23d1974f5a8ba6e4b9947 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -893,6 +893,8 @@ class ExternalReference BASE_EMBEDDED {
 
   static ExternalReference incremental_marking_record_write_function(
       Isolate* isolate);
+  static ExternalReference incremental_marking_record_write_code_entry_function(
+      Isolate* isolate);
   static ExternalReference store_buffer_overflow_function(
       Isolate* isolate);
   static ExternalReference delete_handle_scope_extensions(Isolate* isolate);