[turbofan] Properly optimize instanceof (even in the presence of @@hasInstance).

src/code-factory.h

Index: src/code-factory.h
diff --git a/src/code-factory.h b/src/code-factory.h
index 6be3265cfd77f631d60adf811ceef8095d9aa901..033e5d54fbb3a6835b20a5f0a7ce0c050b56e01e 100644
--- a/src/code-factory.h
+++ b/src/code-factory.h
@@ -64,6 +64,7 @@ class V8_EXPORT_PRIVATE CodeFactory final {
   // Code stubs. Add methods here as needed to reduce dependency on
   // code-stubs.h.
   static Callable InstanceOf(Isolate* isolate);
+  static Callable OrdinaryHasInstance(Isolate* isolate);
 
   static Callable StringFromCharCode(Isolate* isolate);