Super property loads and stores should throw if [[Prototype]] is null

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 #include <memory>
 
@@ skipping 1299 matching lines @@
       StoreFromKeyed store_mode = MAY_BE_STORE_FROM_KEYED);
   MUST_USE_RESULT static inline MaybeHandle<Object> SetPropertyOrElement(
       Handle<Object> object, Handle<Name> name, Handle<Object> value,
       LanguageMode language_mode,
       StoreFromKeyed store_mode = MAY_BE_STORE_FROM_KEYED);
 
   MUST_USE_RESULT static Maybe<bool> SetSuperProperty(
       LookupIterator* it, Handle<Object> value, LanguageMode language_mode,
       StoreFromKeyed store_mode);
 
-  MUST_USE_RESULT static MaybeHandle<Object> ReadAbsentProperty(
-      LookupIterator* it);
-  MUST_USE_RESULT static MaybeHandle<Object> ReadAbsentProperty(
-      Isolate* isolate, Handle<Object> receiver, Handle<Object> name);
   MUST_USE_RESULT static Maybe<bool> CannotCreateProperty(
       Isolate* isolate, Handle<Object> receiver, Handle<Object> name,
       Handle<Object> value, ShouldThrow should_throw);
   MUST_USE_RESULT static Maybe<bool> WriteToReadOnlyProperty(
       LookupIterator* it, Handle<Object> value, ShouldThrow should_throw);
   MUST_USE_RESULT static Maybe<bool> WriteToReadOnlyProperty(
       Isolate* isolate, Handle<Object> receiver, Handle<Object> name,
       Handle<Object> value, ShouldThrow should_throw);
   MUST_USE_RESULT static Maybe<bool> RedefineIncompatibleProperty(
       Isolate* isolate, Handle<Object> name, Handle<Object> value,
@@ skipping 9867 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_