[builtins] Migrate more Date builtins to TurboFan builtins.

src/bootstrapper.cc

 // Copyright 2014 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/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/base/ieee754.h"
 #include "src/code-stubs.h"
@@ skipping 1795 matching lines @@
                           Builtins::kDatePrototypeSetUTCMinutes, 3, false);
     SimpleInstallFunction(prototype, "getUTCMonth",
                           Builtins::kDatePrototypeGetUTCMonth, 0, true);
     SimpleInstallFunction(prototype, "setUTCMonth",
                           Builtins::kDatePrototypeSetUTCMonth, 2, false);
     SimpleInstallFunction(prototype, "getUTCSeconds",
                           Builtins::kDatePrototypeGetUTCSeconds, 0, true);
     SimpleInstallFunction(prototype, "setUTCSeconds",
                           Builtins::kDatePrototypeSetUTCSeconds, 2, false);
     SimpleInstallFunction(prototype, "valueOf", Builtins::kDatePrototypeValueOf,
-                          0, false);
+                          0, true);
     SimpleInstallFunction(prototype, "getYear", Builtins::kDatePrototypeGetYear,
                           0, true);
     SimpleInstallFunction(prototype, "setYear", Builtins::kDatePrototypeSetYear,
                           1, false);
     SimpleInstallFunction(prototype, "toJSON", Builtins::kDatePrototypeToJson,
                           1, false);
 
     // Install i18n fallback functions.
     SimpleInstallFunction(prototype, "toLocaleString",
                           Builtins::kDatePrototypeToString, 0, false);
@@ skipping 2918 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8