Disallow Object.observe calls on access-checked objects

src/runtime/runtime.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_RUNTIME_RUNTIME_H_
 #define V8_RUNTIME_RUNTIME_H_
 
 #include "src/allocation.h"
 #include "src/objects.h"
 #include "src/unicode.h"
@@ skipping 465 matching lines @@
   F(ToObject, 1, 1)                                  \
   F(ToPrimitive, 1, 1)                               \
   F(ToPrimitive_Number, 1, 1)                        \
   F(ToPrimitive_String, 1, 1)                        \
   F(ToNumber, 1, 1)                                  \
   F(ToString, 1, 1)                                  \
   F(ToName, 1, 1)                                    \
   F(StrictEquals, 2, 1)                              \
   F(InstanceOf, 2, 1)                                \
   F(HasInPrototypeChain, 2, 1)                       \
-  F(CreateIterResultObject, 2, 1)
+  F(CreateIterResultObject, 2, 1)                    \
+  F(IsAccessCheckNeeded, 1, 1)
 
 
 #define FOR_EACH_INTRINSIC_OBSERVE(F)            \
   F(IsObserved, 1, 1)                            \
   F(SetIsObserved, 1, 1)                         \
   F(EnqueueMicrotask, 1, 1)                      \
   F(RunMicrotasks, 0, 1)                         \
   F(DeliverObservationChangeRecords, 2, 1)       \
   F(GetObservationState, 0, 1)                   \
   F(ObserverObjectAndRecordHaveSameOrigin, 3, 1) \
@@ skipping 736 matching lines @@
 
 class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {};
 class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {};
 STATIC_ASSERT(LANGUAGE_END == 3);
 class DeclareGlobalsLanguageMode : public BitField<LanguageMode, 2, 2> {};
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_RUNTIME_RUNTIME_H_