Test StringLengthStub generation via TurboFan.

src/code-stubs-hydrogen.cc

 // Copyright 2012 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/v8.h"
 
 #include "src/bailout-reason.h"
 #include "src/code-stubs.h"
 #include "src/field-index.h"
 #include "src/hydrogen.h"
@@ skipping 855 matching lines @@
   return GetParameter(StoreTransitionDescriptor::kValueIndex);
 }
 
 
 Handle<Code> StoreTransitionStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 
 template <>
-HValue* CodeStubGraphBuilder<StringLengthStub>::BuildCodeStub() {
-  HValue* string = BuildLoadNamedField(GetParameter(0),
-      FieldIndex::ForInObjectOffset(JSValue::kValueOffset));
-  return BuildLoadNamedField(string,
-      FieldIndex::ForInObjectOffset(String::kLengthOffset));
-}
-
-
-Handle<Code> StringLengthStub::GenerateCode() {
-  return DoGenerateCode(this);
-}
-
-
-template <>
 HValue* CodeStubGraphBuilder<StoreFastElementStub>::BuildCodeStub() {
   BuildUncheckedMonomorphicElementAccess(
       GetParameter(StoreDescriptor::kReceiverIndex),
       GetParameter(StoreDescriptor::kNameIndex),
       GetParameter(StoreDescriptor::kValueIndex), casted_stub()->is_js_array(),
       casted_stub()->elements_kind(), STORE, NEVER_RETURN_HOLE,
       casted_stub()->store_mode());
 
   return GetParameter(2);
 }
@@ skipping 1348 matching lines @@
   // megamorphic case is handled as part of the default stub.
   DCHECK(!FLAG_vector_ics);
 
   // Probe the stub cache.
   Add<HTailCallThroughMegamorphicCache>(receiver, name);
 
   // We never continue.
   return graph()->GetConstant0();
 }
 } }  // namespace v8::internal