| Index: src/bootstrapper.cc
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| diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
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| index 854b42ac05098fbe8c8619f72c878120f5f21fa3..8f72623bd6408baf40c825ae6b6b6354b49d60f9 100644
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| --- a/src/bootstrapper.cc
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| +++ b/src/bootstrapper.cc
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| @@ -2021,9 +2021,10 @@ static Handle<JSObject> ResolveBuiltinIdHolder(
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|  static void InstallBuiltinFunctionId(Handle<JSObject> holder,
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|                                       const char* function_name,
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|                                       BuiltinFunctionId id) {
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| -  Isolate* isolate = holder->GetIsolate();
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| +  Factory* factory = holder->GetIsolate()->factory();
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| +  Handle<String> name = factory->InternalizeUtf8String(function_name);
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|    Handle<Object> function_object =
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| -      Object::GetProperty(isolate, holder, function_name).ToHandleChecked();
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| +      Object::GetProperty(holder, name).ToHandleChecked();
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|    Handle<JSFunction> function = Handle<JSFunction>::cast(function_object);
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|    function->shared()->set_function_data(Smi::FromInt(id));
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|  }
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| @@ -2130,8 +2131,7 @@ bool Genesis::InstallSpecialObjects(Handle<Context> native_context) {
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|          false);
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|    }
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|  
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| -  Handle<Object> Error = Object::GetProperty(
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| -      isolate, global, "Error").ToHandleChecked();
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| +  Handle<Object> Error = GetProperty(global, "Error").ToHandleChecked();
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|    if (Error->IsJSObject()) {
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|      Handle<String> name = factory->InternalizeOneByteString(
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|          STATIC_ASCII_VECTOR("stackTraceLimit"));
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| @@ -2312,8 +2312,10 @@ bool Genesis::InstallJSBuiltins(Handle<JSBuiltinsObject> builtins) {
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|    HandleScope scope(isolate());
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|    for (int i = 0; i < Builtins::NumberOfJavaScriptBuiltins(); i++) {
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|      Builtins::JavaScript id = static_cast<Builtins::JavaScript>(i);
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| -    Handle<Object> function_object = Object::GetProperty(
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| -        isolate(), builtins, Builtins::GetName(id)).ToHandleChecked();
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| +    Handle<String> name =
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| +        factory()->InternalizeUtf8String(Builtins::GetName(id));
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| +    Handle<Object> function_object =
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| +        Object::GetProperty(builtins, name).ToHandleChecked();
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|      Handle<JSFunction> function = Handle<JSFunction>::cast(function_object);
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|      builtins->set_javascript_builtin(id, *function);
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|      if (!Compiler::EnsureCompiled(function, CLEAR_EXCEPTION)) {
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| 
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