Remove strong mode support from property loads.

src/code-stubs.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/code-stubs.h"
 
 #include <sstream>
 
 #include "src/bootstrapper.h"
 #include "src/compiler/code-stub-assembler.h"
@@ skipping 583 matching lines @@
 void LoadDictionaryElementStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
   descriptor->Initialize(
       FUNCTION_ADDR(Runtime_KeyedLoadIC_MissFromStubFailure));
 }
 
 
 void KeyedLoadGenericStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
   descriptor->Initialize(
-      Runtime::FunctionForId(is_strong(language_mode())
-                                 ? Runtime::kKeyedGetPropertyStrong
-                                 : Runtime::kKeyedGetProperty)->entry);
+      Runtime::FunctionForId(Runtime::kKeyedGetProperty)->entry);
 }
 
 
 void HandlerStub::InitializeDescriptor(CodeStubDescriptor* descriptor) {
   if (kind() == Code::STORE_IC) {
     descriptor->Initialize(FUNCTION_ADDR(Runtime_StoreIC_MissFromStubFailure));
   } else if (kind() == Code::KEYED_LOAD_IC) {
     descriptor->Initialize(
         FUNCTION_ADDR(Runtime_KeyedLoadIC_MissFromStubFailure));
   } else if (kind() == Code::KEYED_STORE_IC) {
@@ skipping 371 matching lines @@
   if (type->Is(Type::UntaggedPointer())) {
     return Representation::External();
   }
 
   DCHECK(!type->Is(Type::Untagged()));
   return Representation::Tagged();
 }
 
 }  // namespace internal
 }  // namespace v8