Allow property indexes to refer to slots inside the object header.

src/stub-cache.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 118 matching lines @@
   PROFILE(isolate_, CodeCreateEvent(Logger::LOAD_IC_TAG, *code, *cache_name));
   GDBJIT(AddCode(GDBJITInterface::LOAD_IC, *cache_name, *code));
   JSObject::UpdateMapCodeCache(receiver, cache_name, code);
   return code;
 }
 
 
 Handle<Code> StubCache::ComputeLoadField(Handle<String> name,
                                          Handle<JSObject> receiver,
                                          Handle<JSObject> holder,
-                                         int field_index) {
+                                         PropertyIndex field_index) {
   ASSERT(IC::GetCodeCacheForObject(*receiver, *holder) == OWN_MAP);
   Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, Code::FIELD);
   Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags));
   if (probe->IsCode()) return Handle<Code>::cast(probe);
 
   LoadStubCompiler compiler(isolate_);
   Handle<Code> code =
       compiler.CompileLoadField(receiver, holder, field_index, name);
   PROFILE(isolate_, CodeCreateEvent(Logger::LOAD_IC_TAG, *code, *name));
   GDBJIT(AddCode(GDBJITInterface::LOAD_IC, *name, *code));
@@ skipping 104 matching lines @@
   PROFILE(isolate_, CodeCreateEvent(Logger::LOAD_IC_TAG, *code, *name));
   GDBJIT(AddCode(GDBJITInterface::LOAD_IC, *name, *code));
   JSObject::UpdateMapCodeCache(receiver, name, code);
   return code;
 }
 
 
 Handle<Code> StubCache::ComputeKeyedLoadField(Handle<String> name,
                                               Handle<JSObject> receiver,
                                               Handle<JSObject> holder,
-                                              int field_index) {
+                                              PropertyIndex field_index) {
   ASSERT(IC::GetCodeCacheForObject(*receiver, *holder) == OWN_MAP);
   Code::Flags flags =
       Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, Code::FIELD);
   Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags));
   if (probe->IsCode()) return Handle<Code>::cast(probe);
 
   KeyedLoadStubCompiler compiler(isolate_);
   Handle<Code> code =
       compiler.CompileLoadField(name, receiver, holder, field_index);
   PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, *name));
@@ skipping 350 matching lines @@
   return code;
 }
 
 
 Handle<Code> StubCache::ComputeCallField(int argc,
                                          Code::Kind kind,
                                          Code::ExtraICState extra_state,
                                          Handle<String> name,
                                          Handle<Object> object,
                                          Handle<JSObject> holder,
-                                         int index) {
+                                         PropertyIndex index) {
   // Compute the check type and the map.
   InlineCacheHolderFlag cache_holder =
       IC::GetCodeCacheForObject(*object, *holder);
   Handle<JSObject> map_holder(IC::GetCodeCacheHolder(*object, cache_holder));
 
   // TODO(1233596): We cannot do receiver map check for non-JS objects
   // because they may be represented as immediates without a
   // map. Instead, we check against the map in the holder.
   if (object->IsNumber() || object->IsBoolean() || object->IsString()) {
     object = holder;
@@ skipping 933 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal