[builtins] Properly optimize Object.prototype.isPrototypeOf.

src/compiler/js-generic-lowering.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/js-generic-lowering.h"
 
 #include "src/ast/ast.h"
 #include "src/builtins/builtins-constructor.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 320 matching lines @@
   ReplaceWithStubCall(node, callable, flags);
 }
 
 void JSGenericLowering::LowerJSGetSuperConstructor(Node* node) {
   CallDescriptor::Flags flags = FrameStateFlagForCall(node);
   Callable callable =
       Builtins::CallableFor(isolate(), Builtins::kGetSuperConstructor);
   ReplaceWithStubCall(node, callable, flags);
 }
 
+void JSGenericLowering::LowerJSHasInPrototypeChain(Node* node) {
+  ReplaceWithRuntimeCall(node, Runtime::kHasInPrototypeChain);
+}
+
 void JSGenericLowering::LowerJSInstanceOf(Node* node) {
   CallDescriptor::Flags flags = FrameStateFlagForCall(node);
   Callable callable = Builtins::CallableFor(isolate(), Builtins::kInstanceOf);
   ReplaceWithStubCall(node, callable, flags);
 }
 
 void JSGenericLowering::LowerJSOrdinaryHasInstance(Node* node) {
   CallDescriptor::Flags flags = FrameStateFlagForCall(node);
   Callable callable =
       Builtins::CallableFor(isolate(), Builtins::kOrdinaryHasInstance);
@@ skipping 424 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSGenericLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8