Avoid one repeated property lookup when computing load ICs.

src/stub-cache.h

 // 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.
 
 #ifndef V8_STUB_CACHE_H_
 #define V8_STUB_CACHE_H_
 
 #include "src/allocation.h"
 #include "src/arguments.h"
 #include "src/code-stubs.h"
@@ skipping 460 matching lines @@
                                    const CallOptimization& call_optimization);
 
   Handle<Code> CompileLoadConstant(Handle<Name> name, Handle<Object> value);
 
   Handle<Code> CompileLoadInterceptor(Handle<Name> name);
 
   Handle<Code> CompileLoadViaGetter(Handle<Name> name,
                                     Handle<JSFunction> getter);
 
   Handle<Code> CompileLoadGlobal(Handle<PropertyCell> cell, Handle<Name> name,
-                                 bool is_dont_delete);
+                                 bool is_configurable);
 
   // Static interface
   static Handle<Code> ComputeLoadNonexistent(Handle<Name> name,
                                              Handle<HeapType> type);
 
   static void GenerateLoadViaGetter(MacroAssembler* masm, Handle<HeapType> type,
                                     Register receiver,
                                     Handle<JSFunction> getter);
 
   static void GenerateLoadViaGetterForDeopt(MacroAssembler* masm) {
@@ skipping 221 matching lines @@
   Handle<JSFunction> constant_function_;
   bool is_simple_api_call_;
   Handle<FunctionTemplateInfo> expected_receiver_type_;
   Handle<CallHandlerInfo> api_call_info_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_STUB_CACHE_H_