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

src/compiler/js-generic-lowering.cc

Index: src/compiler/js-generic-lowering.cc
diff --git a/src/compiler/js-generic-lowering.cc b/src/compiler/js-generic-lowering.cc
index 389a10a9d927f112a0211b96ab2322842a7eaef5..47dacaabef06fa62ebaab8666b168dc90f01088a 100644
--- a/src/compiler/js-generic-lowering.cc
+++ b/src/compiler/js-generic-lowering.cc
@@ -352,6 +352,11 @@ void JSGenericLowering::LowerJSInstanceOf(Node* node) {
   ReplaceWithStubCall(node, callable, flags);
 }
 
+void JSGenericLowering::LowerJSOrdinaryHasInstance(Node* node) {
+  CallDescriptor::Flags flags = FrameStateFlagForCall(node);
+  Callable callable = CodeFactory::OrdinaryHasInstance(isolate());
+  ReplaceWithStubCall(node, callable, flags);
+}
 
 void JSGenericLowering::LowerJSLoadContext(Node* node) {
   const ContextAccess& access = ContextAccessOf(node->op());