Add HasProperty code stub that tries simple lookups or jumps to runtime otherwise.

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/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/js-generic-lowering.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 68 matching lines @@
 REPLACE_STUB_CALL(Multiply)
 REPLACE_STUB_CALL(Divide)
 REPLACE_STUB_CALL(Modulus)
 REPLACE_STUB_CALL(BitwiseAnd)
 REPLACE_STUB_CALL(BitwiseOr)
 REPLACE_STUB_CALL(BitwiseXor)
 REPLACE_STUB_CALL(LessThan)
 REPLACE_STUB_CALL(LessThanOrEqual)
 REPLACE_STUB_CALL(GreaterThan)
 REPLACE_STUB_CALL(GreaterThanOrEqual)
+REPLACE_STUB_CALL(HasProperty)
 REPLACE_STUB_CALL(Equal)
 REPLACE_STUB_CALL(NotEqual)
 REPLACE_STUB_CALL(ToInteger)
 REPLACE_STUB_CALL(ToLength)
 REPLACE_STUB_CALL(ToNumber)
 REPLACE_STUB_CALL(ToName)
 REPLACE_STUB_CALL(ToObject)
 REPLACE_STUB_CALL(ToString)
 #undef REPLACE_STUB_CALL
 
@@ skipping 245 matching lines @@
 
 
 void JSGenericLowering::LowerJSDeleteProperty(Node* node) {
   LanguageMode language_mode = OpParameter<LanguageMode>(node);
   ReplaceWithRuntimeCall(node, is_strict(language_mode)
                                    ? Runtime::kDeleteProperty_Strict
                                    : Runtime::kDeleteProperty_Sloppy);
 }
 
 
-void JSGenericLowering::LowerJSHasProperty(Node* node) {
-  ReplaceWithRuntimeCall(node, Runtime::kHasProperty);
-}
-
-
 void JSGenericLowering::LowerJSInstanceOf(Node* node) {
   CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   Callable callable = CodeFactory::InstanceOf(isolate());
   ReplaceWithStubCall(node, callable, flags);
 }
 
 
 void JSGenericLowering::LowerJSLoadContext(Node* node) {
   const ContextAccess& access = ContextAccessOf(node->op());
   for (size_t i = 0; i < access.depth(); ++i) {
@@ skipping 384 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSGenericLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8